Filters and devices providing patency to tubular structures and prostheses and accessories (A61F2)

A61F2/06 - Blood vessels(174)
A61F2/10 - Hair or skin implants(17)
A61F2/12 - ammary prostheses(35)
A61F2/16 - Intraocular lenses(322)
A61F2/24 - Heart valves(313)
A61F2/26 - Penis implants(30)
A61F2/30 - Joints(91)
A61F2/32 - For the hip(220)
A61F2/34 - Acetabular cups(54)
A61F2/36 - Femoral heads(56)
A61F2/38 - For elbows or knees(86)
A61F2/40 - For shoulders(22)
A61F2/56 - Adjustable(39)
A61F2/58 - Elbows; wrists(19)
A61F2/64 - Knee joints(91)
A61F2/66 - Feet; ankle joints(113)
A61F2/70 - Electrical(10)
A61F2/74 - Fluid(7)
ethod for surgical management of open-angle glaucoma in patients with pseudophakia // 2642731
FIELD: medicine.SUBSTANCE: for complex treatment of glaucoma with Ex-PRESS shunt, drainage "Glautex" is implanted under the superficial scleral flap over the shunt cap. A square flap of scleroplastic material with a size of 3×3 mm, and thickness, commensurate with the thickness of the superficial scleral flap is laid on a superficial scleral flap. A continuous suture is applied on the conjunctiva over the square flap of scleroplastic material.EFFECT: method improves the effectiveness of surgical treatment of secondary and primary open-angle glaucoma in patients with pseudophakia, by reducing postoperative complications such as teething and divergence of the conjunctival suture, reducing the risk of the metal Ex-PRESS shunt exposure in the long-term postoperative period, and achieving a prolonged hypotensive effect in the postoperative period.2 ex

Intervertebral disc endoprosthesis // 2642722
FIELD: medicine.SUBSTANCE: intervertebral disc endoprosthesis contains upper and lower axisymmetric and opposite supporting plates with serrated fixation elements in the bodies of the vertebrae on plates outer surfaces and elastic supporting-centering elements installed between them. The supporting plates are provided with annular beads on inner surfaces and located at different distances from the center by two concentric rows of holes located at the same angular distance from each other in staggered order. The supporting-centering elements are made in the form of V-shaped rod springs of round section with ends curved parallel to the supporting plates axes, embodied in their mirror located holes, vertices of springs, enshrined in holes of rows proximal to the plates axis are facing outwards, and distant - facing the axis, and placed accordingly in radial notches on the outer and inner forming cylindrical surfaces of the flat sprung-separation ring installed between the springs vertices. The cavity formed by the supporting plates is filled with bioinert elastoplastic material.EFFECT: simplified design by excluding movable joints with external friction, dimensional, mechanical wear-prone joints from the composition of its supporting-centering element, absence of wear debris falling into the human body tissues, and consequently, of the need to remove them during inspection, ensuring the stability of relative position elements of the implant, simplified manipulation for its installation, increased service life of the implant and reduced duration of surgery.3 dwg
Tissue-engineering biodegradable vascular implant // 2642259
FIELD: medicine.SUBSTANCE: made of biodegradable polymers by electrospinning with layer-by-layer introduction of biologically active molecules into the vascular wall: vascular endothelial growth factor (VEGF), fibroblast growth factor (bFGF) and chemoattractant molecule (SDF-1α). The polymer composition is a mixture of polyhydroxybutyrate-valerate and polycaprolactone (PGBV/PCL), taken in the ratio of 1:2. Electrospinning is performed with the participation of a solution containing a polymer composition with VEGF molecules, and then a solution of polymers with an aqueous fraction of biologically active molecules - bFGF and SDF-1α. The invention can be used in cardiovascular surgery for reconstructive operations on vessels.EFFECT: tissue-engineering graft fabricated by this method corresponds to the layered structure of the vessel wall of a living organism while preserving the vitality and functional activity of biologically active components before the degradation of the polymer matrix.3 cl, 1 tbl, 2 ex

Dissolving stents containing magnesium alloys // 2642254
FIELD: pharmacology.SUBSTANCE: one of stent versions contains the following components in terms of the total mass of the alloy: 78.0-91.79 wt % of magnesium, 8.0-12.0 wt % of dysprosium, 0.01-5.0 wt % of neodymium and/or europium 0.1-3.0 wt % of zinc, 0.1-2.0 wt % of zirconium, at that this alloy contains no iron, and the stent is coated by polymers.EFFECT: group of inventions is characterized by favourable corrosion properties, desirable kinetics of resorption and mechanical properties suitable for obtaining stents.14 cl, 8 dwg, 5 tbl, 12 ex

Liquid intervertebral disk endoprosthesis // 2641980
FIELD: medicine.SUBSTANCE: liquid intervertebral disc endoprosthesis contains upper and lower axisymmetric and opposite supporting plates with spike-shaped fixation elements in the bodies of the vertebrae on plates outer surfaces and an elastic supporting-centering element installed between them. The supporting-centering element is made in the form of a flat circular membrane box formed by two poppet corrugated membranes connected along the outer generatrix and located coaxially and opposite, with a central hole in a ring collar in one of them, while the bottom part of the membrane with no holes is attached to the lower supporting plate. A cylindrical cup is fixed with its upper part in the central hole of the other membrane, its bottom contains radial slits which located along a circle with the same circuit step, to fix the ends of flat springs installed in the cup parallel to its axis and connecting the lower part with the upper supporting plate containing the same mirror slits for fixation of the other ends of the springs. The box cavity formed by the membranes and cup is sealed and filled with bioinert medical gel under excessive pressure, and the cup cavity of with flat springs is filled with elastic bioinert silicone.EFFECT: simplified design, lack of wear debris falling into the human body tissue, and hence of the need to remove them during inspections, increased service life of the implant and reduced duration of operational interference.2 dwg

Device for placement of implant for tissue recovery, kit containing such device and method for tissue recovery // 2641857
FIELD: medicine.SUBSTANCE: group of inventions refers to an accessory device for placement of an implant for tissue recovery, a kit containing such a device, and a method for tissue defect correction in the body wall using the specified device. Device for placement of an implant for tissue restoration contains a flexible flat element and many guiding structures providing channels for reception of at least a part of the distal plot of the surgical stapler. The flat element has an upper surface, a lower surface and an outer periphery and is designed with an ability to move between the first initial position and the second placement position. A plurality of guiding structures is disposed on at least a portion of at least one surface of the flat element extending radially outwards. The kit for tissue restoration implant placement comprises a reticular tissue recovery device and the above placement device. The reticular device comprises the first layer of a surgical mesh base having an upper surface, a bottom surface, and an outer periphery; the second mesh layer mounted on the base layer and attached to the base layer along the base layer periphery. The second layer has an upper surface and a lower surface. Between the upper surface of the base layer and the lower surface of the second layer, a recess is formed; and an opening in the second layer providing access to the recess. At that, the placement device is at least partially inside the recess. The method for fixing of a body wall tissue defect includes the following stages: A. provision of the above reticular recovery device; B. provision of the above device for tissue recovery implant placement; C. transition of the placement device flat element from the first initial position to the second placement position; D. flat element introduction into the reticular recovery device recess; E. movement of the flat element and reticular recovery device into the body cavity adjacent to the tissue defect in the body wall, while the flat device is moved to its initial position; F. transition of the reticular recovery device to a position suitable for tissue defect recovery; G. introduction of the distal end of the surgical stapler into the mesh recess, while the guiding structures direct the distal end of the device to the reticular recovery device periphery, and surgical fixing element installation through the second layer of the mesh in the adjacent tissue of the body wall; and H. placement device removal from the reticular recovery device.EFFECT: auxiliary device can be combined with a surgical implant for tissue recovery so that the device transits the implant for tissue recovery into a flat configuration for optimal surgical fixation, but can be removed after such fixation, it also has elements that allow the surgeon to guide the end of the fixing tool with a view to proper fasteners location along the device periphery.15 cl, 18 dwg

Torsion intervertebral disk endoprosthesis // 2641854
FIELD: medicine.SUBSTANCE: torsion intervertebral disc endoprothesis contains upper and lower axisymmetric and opposite supporting plates with serrated fixation elements in the bodies of the vertebrae on plates outer surfaces and elastic supporting-centering elements installed between them. The inner surfaces of the lower and upper supporting plates are supplied with respectively central cylindrical pin and a ring bead along the outer generatrix with radial holes made with the same angular pitch and staggered on two levels, in which supporting-centering elements in the form of Z-shaped springs with round section are fixed at ends. The ends of each spring are installed in symmetrically arranged holes of the pin and bead at different levels.EFFECT: simplified installation and extended service life.3 dwg
Thermoelectric semiconductor device for neck-collar zone massage // 2641850
FIELD: medicine.SUBSTANCE: thermoelectric semiconductor device for massage of the neck-collar zone contains a flexible elastically deformable base with the possibility of covering the neck-collar zone. The base is made in the form of an elastic interlayer, on which thermoelectric modules (TEM) are fixed. The working junctions of the TEM are in thermal contact with the high-conductivity gel layer containing the thermal sensor, and the support junctions - with the aluminium plates contacting the heat-conducting support blocks including a box. The box is made of a material with low thermal conductivity. In the box cavity, there is a working substance with a high heat of fusion and a melting point in the range 40-50°C, bounded on the inside by aluminium plates. Elastic interlayer contains ferromagnetic needle elements located between each adjacent pair of TEM. Magnetic action in the device is created by wires surrounding each ferromagnetic needle element with the opposite direction of winding at adjacent ferromagnetic needle elements feeding the corresponding TEM. Fastening of TEM and ferromagnetic needle elements on the elastic interlayer is performed taking into account exclusion of influence on the area of the spinal column.EFFECT: combination of the function of alternating heating and cooling massage applicators in a single device, with a possibility of creation of a temperature regime and a magnetic exposure mode.1 dwg
Thermoelectric semiconductor device for neck-collar zone massage // 2641849
FIELD: medicine.SUBSTANCE: thermoelectric semiconductor device for massage of the neck-collar zone contains a flexible elastically deformable base with the possibility of covering the neck-collar zone. The base is made in the form of an elastic interlayer, on which thermoelectric modules (TEM) are fixed. The working junctions of the TEMs are in thermal contact with the high-conductivity gel layer containing the thermal sensor, and the reference junctions - with the air cooler. Elastic interlayer contains ferromagnetic needle elements located between each adjacent pair of TEM. Magnetic action in the device is created by wires surrounding each ferromagnetic needle element with the opposite direction of winding at adjacent ferromagnetic needle elements feeding the corresponding TEM. Fastening of TEM and ferromagnetic needle elements on the elastic interlayer is performed taking into account exclusion of influence on the area of the spinal column.EFFECT: combination of the function of alternating heating and cooling massage applicators in a single device, with a possibility of creation of a temperature regime and a magnetic exposure mode.1 dwg
Thermoelectric semiconductor device for neck-collar zone massage // 2641848
FIELD: medicine.SUBSTANCE: thermoelectric semiconductor device for neck-collar zone massage contains a flexible poroelastic base with an ability to fit the neck and collar zone. The base is made in the form of an elastic interlayer, on which thermoelectric modules (TEM) are fixed. The working junctions of the TEMs are in thermal contact with the high-conductivity gel layer containing the thermal sensor, and the reference junctions - with the air cooler. The elastic interlayer contains ferromagnetic needle elements located between each adjacent pair of TEMs. Magnetic action in the device is created by wires surrounding each ferromagnetic needle element with the opposite direction of winding at adjacent ferromagnetic needle elements feeding the corresponding TEM. Fastening of TEM and ferromagnetic needle elements on the elastic interlayer is performed taking into account exclusion of influence on the area of the spinal column.EFFECT: combined function of alternating heating and cooling massage applicators in a single device, with a possibility to create a temperature regime, a magnet exposure regime and mechanical massage with vibration function.1 dwg
Thermoelectric semiconductor device for neck-collar zone massage // 2641847
FIELD: medicine.SUBSTANCE: thermoelectric semiconductor device for massage of the neck-collar zone contains a flexible elastically deformable base with the possibility of covering the neck-collar zone. The base is made in the form of an elastic interlayer, on which thermoelectric modules (TEM) are fixed. The working junctions of the TEM are in thermal contact with the high-conductivity gel layer containing the thermal sensor, and the support junctions - with the aluminium plates contacting the heat-conducting support blocks including a box. The box is made of a material with low thermal conductivity. In the box cavity, there is a working substance with a high heat of fusion and a melting point in the range 40-50°C, bounded on the inside by aluminium plates. The elastic interlayer contains ferromagnetic needle elements located between each adjacent pair of TEMs. Magnetic action in the device is created by wires surrounding each ferromagnetic needle element with the opposite direction of winding at adjacent ferromagnetic needle elements feeding the corresponding TEM. Fastening of TEM and ferromagnetic needle elements on the elastic interlayer is performed taking into account exclusion of influence on the area of the spinal column.EFFECT: combined function of alternating heating and cooling massage applicators in a single device, with a possibility to create a temperature regime, a magnet exposure regime and mechanical massage with vibration function.1 dwg
ethod for electroplasma spattering of biocompatible coatings based on magnesium-containing tricalcium phosphate // 2641597
FIELD: medicine.SUBSTANCE: method includes implant surface preparation by air-powder abrasive treatment and ultrasonic degreasing, then electrolytic-plasma spattering of a titanium sublayer and biocompatible layer is performed, ultrasonic degreasing is carried out in an aqueous solution of surfactants at temperatures of up to 40°C for 5-7 min, electrolytic-plasma spattering of the titanium sublayer is done from the spraying distance of 120-150 mm for 12-15 s, at the plasma-forming gas flow rate of 20 l/min, particle size not exceeding 150 mcm and arc current of 350 A, electrolytic-plasma spraying of powder magnesium-containing tricalcium phosphate is done from the spraying distance of 50-60 mm for 10-12 s, at the plasma-forming gas flow rate of 20 l/min, dispersion of no more than 90 µm and arc current of 350 A.EFFECT: invention can be used in maxillofacial surgery and traumatology for production of interstitial endoprostheses on a titanium base.2 tbl, 2 dwg

ethod for obtaining highly porous osteo-integrating coating on implants from titanium alloys // 2641594
FIELD: metallurgy.SUBSTANCE: method comprises thermodiffusion hydrogen saturation of the implant and vacuum annealing. Before thermodiffusion hydrogen saturation and vacuum annealing, a porous coating is applied on the surface of the implant by diffusion welding with the help of welding of titanium alloy fibres at a temperature of 850-950°C to the surface of the implant from titanium alloys, hydrogen saturation is carried out at a temperature of 600-650°C to a hydrogen concentration of 0.5-0.8 wt %, and the subsequent vacuum annealing - to a hydrogen concentration of not more than 0.008 wt %.EFFECT: shearing force of the coating is increased from the monolithic substrate while maintaining its structure and properties.4 cl, 1 dwg, 1 tbl, 8 ex
Constructively improved venous endoluminal device designed for treatment of patients with vein defects // 2641520
FIELD: medicine.SUBSTANCE: endoluminal device is designed to eliminate veins defects and is essentially a hollow body that establishes the boundary of the inner lumen and contains support modules, united by cross bridges, where the support modules have a radial width less than the proximal distal radial width and are convex. The supporting modules are laid along the entire length of the body and are internally empty, containing no bridges or other internal elements, which provides partial collapsing of the venous wall in the direction of the inner lumen of the body and improves physiological elasticity of veins.EFFECT: minimum radial force applied to vessel walls, and the minimum number of structural elements inside the body without a risk of device displacement.16 cl, 10 dwg

Prosthetic mitral heart valve // 2641388
FIELD: medicine.SUBSTANCE: mitral heart valve prosthesis contains an oval annular body 1 with stops 2 and 3 of the locking flap 4. The locking flap 4 is installed in the lumen of the body 1 on the axle hinges 5 with an ability to rotate by an angle of 50-55° with respect to the plane of the edges of the concave end 6 of the body 1. The concave end 6 of the body 1 has a bend for the fibrous ring of the mitral valve. The locking flap 4 is formed with an inner surface 7 and an outer surface 8. Surfaces 7 and 8 are bent in longitudinal and transverse planes. In the longitudinal plane, the bending radius of each surface is 300-400 mm. In the transverse plane, the bending radius of each surface is 20-40 mm. The first turn limiter 2 of the locking flap 4 is formed as a rounded rib on the portion of the inner edge of the concave end 6 of the body 1. The second turn limiter 3 of the locking flap 4 is formed as a rounded portion of the inner edge of the curved end 9 of the body 1.EFFECT: device allows to create conditions for preservation of the tornado-like structure of the blood flow both during filling of the left ventricle, and during the isovolymic phase of the cardiac cycle, and during blood release into the arterial bed.2 cl, 1 dwg
Acetabular support ring // 2641175
FIELD: medicine.SUBSTANCE: acetabular support ring is made of a metallic material, contains fastening protrusions, fastening elements. It differs by having an annular part with a spherical surface including an outer surface and an inner surface, as well as an aperture of a larger radius and an aperture of a smaller radius. The ring includes at least three fastening protrusions arranged at the edge of a smaller radius aperture, each of the protrusions is provided with at least one through-hole for a fastening element with a possibility of its angular stability, wherein the fastening protrusions are oriented inwardly of the hole, that the axes of the through-holes intersect at an angle in the range 105±15° to each other at one point coinciding with the center of the annular part, the fastening elements have the same length and modification, and the area of the smaller radius aperture is at least 25% and not more than 80% of the hemisphere area formed by the maximum radius of the annular portion.EFFECT: possibility of access to the acetabulum to replace bone defects and increase the durability and reliability of attachment of the endoprosthesis acetabular component to the acetabulum, as well as to reduce the traumatism of revision endoprosthetics.5 cl, 4 dwg
ethod for manufacture of valve-containing conduit and valve-containing conduit, manufactured by this method // 2641171
FIELD: medicine.SUBSTANCE: in the manufacture of a valve-containing conduit, its tubular body is produced by cutting off a chemically stabilized venous vessel, followed by cross-cutting and subsequent longitudinal dissection of the wall of one part of the vessel that is flattened, then at least one arcuate notch is provided at the end of the tubular part 3 of the vessel , oriented along the vessel longitudinal axis, corresponding to the direction of the elastic and collagen fibers of the middle shell, and the dissected part 2 of the vessel is turned by 90° relative to the tubular part axis, and at least one arcuate protrusion on the lateral edge, oriented transversely to the direction of the elastic and collagen fibers of the middle shell of the dissected portion of the vessel, is performed at least under one end arcuate notch of the tubular portion. From a single tissue flap, a blank of at least one valve flap is made, which is sutured together with at least one arcuate protrusion of the dissected portion on the endothelium side with capture of all tissue layers, the arcuate protrusions of the dissected part are sutured from the adventitia side with arcuate notches of the tubular part of the vessel with simultaneous formation of sinuses and commissures and the dissected part of the vessel is sutured.EFFECT: group of inventions provides adequate blood flow in the valve-containing conduit in the pressure ranges developed by the heart ventricles, reduces the risk of valve area dilatation and significant regurgitation on the valve while maintaining conduit walls elasticity for convenience of its positioning and implantation.16 cl, 2 dwg, 1 ex
Thermoelectric semiconductor device for neck-collar zone massage // 2641066
FIELD: medicine.SUBSTANCE: thermoelectric semiconductor device for neck-collar zone massage contains a flexible poroelastic base with an ability to fit the neck and collar zone. The base is made in the form of an elastic interlayer, on which thermoelectric modules (TEM) are fixed. TEM hot junctions are in a thermal contact with a highly heat-conductive gel layer, containing a thermal sensor, and bearing junctions - with aluminium plates located in the cavity of an elastic fluid heat exchanger, common to the entire combination of thermoelectric modules and provided with fittings for flexible tubes connection. Elastic interlayer contains ferromagnetic needle elements located between each adjacent pair of TEM. Magnetic action in the device is created by wires surrounding each ferromagnetic needle element with the opposite direction of winding at adjacent ferromagnetic needle elements feeding the corresponding TEM. Fastening of TEM and ferromagnetic needle elements on the elastic interlayer is made taking into account exclusion of influence at the area of the spinal column.EFFECT: combination of the function of alternating heating and cooling massage applicators in a single device, with a possibility of creation of a temperature regime and a magnetic exposure mode.1 dwg
Solid phase method for production of bioactive composite for tissue growing based on hyaluronic acid or polylactide microparticles and its copolymers, and method for manufacture of implant based on this composite // 2641053
FIELD: medicine.SUBSTANCE: method for production of a bioactive tissue growing composite comprising hyaluronic acid or a salt thereof as a matrix and polylactide microparticles or glycolide copolymers thereof as a filler comprising reacting of solid-phase powders of hyaluronic acid or a salt thereof and a polylactide or copolymers thereof with glycolide under conditions of simultaneous exposure to pressure ranging from 20 to 50 MPa and shear deformation in a mechanochemical reactor at a temperature of 20 to -20 °C.EFFECT: method allows to obtain a bioactive composite for tissue growing in one-step mode with high yield and the necessary filler content for formation of a highly plastic biodegradable implant based on this composite.14 cl, 8 dwg, 11 ex
ethod for bone-plastic material obtaining // 2640932
FIELD: medicine.SUBSTANCE: bone is cleaned, cut into fragments with a particle size of 0.5-1.5 cm, washed with water, delipidisation, deproteinization, grinding of bone fragments is performed and the obtained bone mass at a temperature of 38-40°C is combined with a collagen-containing solution in the form of a solution of chemically pure gelatine prepared on a preservative solution with addition of an antibacterial preparation, and sterilized.EFFECT: replacement of significant bone defects on the basis of constituents of biological origin, plastic consistency, osteogenic properties, local antibacterial effect.1 ex
ethod for obtaining of composition based on hyaluronic acid // 2640911
FIELD: cosmetology.SUBSTANCE: invention is a process for preparation of a composition for use as a dermatological excipient in cosmetic and medical applications in the form of a gel comprising a crosslinked first polymer, optionally a second polymer that can be crosslinked or uncross linked, and water, wherein the first and second polymers are selected from polysaccharide, and the process comprises at least steps (i), (ii) and (iv), and optionally step (iii), wherein step (i) is to crosslink a mixture including the first polymer and water, step (ii) is to finish the crosslinking of step (i), step (iii) is to optionally blend the product obtained in step (ii) with the second polymer, step (iv) consists in dialysis of the product obtained in step (ii) or in step (iii), wherein the dialysis step (iv) comprises steps (iv.1)-(iv.3)(iv.1) which is extrusion of the product, obtained in step (ii) or (iii) through the first sieve and then extrusion of the product extruded through the first sieve through the second sieve, in which the second sieve hole size is smaller than the first sieve hole size; or extrusion of the product, obtained in step (ii) or (iii) through the first sieve and then extrusion of the product extruded through the first sieve through the second sieve, and then extrusion of the product extruded through the second sieve through the third sieve, in which the second sieve hole size is smaller than the first sieve hole size, and the third sieve hole size is smaller than the second sieve hole size, where step (iv.2) is to fill the dialysis membrane with the product obtained in step (iv.1), step (iv.3) is to process the filled membrane obtained in step (iv.2) with dialysis solution.EFFECT: obtaining of exclusively homogeneous compositions.14 cl, 14 ex

Artificial orthotopic bladder endoprosthesis // 2640563
FIELD: medicine.SUBSTANCE: invention can be used when replacing the patient's bladder, when he/she suffers from serious incurable diseases that put its correct functioning at risk. The artificial orthotopic bladder endoprosthesis comprises the first portion adapted to be connected to the patient's urethra and the second portion adapted to be connected to the ureters of the said patient. The first portion contains a shrinking casing made from multi-layer silicone membrane with an outer surface and an inner surface, both covered with pyrolytic turbostratic carbon. The second portion comprises a resorbable cap comprising a web of PGA fibers and a frame connected to the said cap made using a PGA/PLA copolymer. The casing and cap are joined together along their respective boundaries to form a shell.EFFECT: invention significantly reduces the likelihood of postoperative infections, and reduces the risk of stenosis of the patient's ureters.10 cl, 4 dwg
ethod for early diagnostics of distal embolism after carotid stenting // 2639861
FIELD: medicine.SUBSTANCE: stent is implanted. 30 minutes after stent implantation along the conductor from the distal protection system - filter, an intravascular optical coherent tomograph sensor is injected. "Tight" contrasting of the target vessel is performed with one-stage optical coherence tomography of the stented site with the LightLab device. The inner vessel lumen is evaluated: stent fitting to the wall, stent and vessel wall border, presence of wall blood clots, atherosclerotic plaque (AP) fragments forced through the stent. In case of clots or AP detritus in the vessel lumen, aspiration of thrombotic masses or implantation of the second stent is performed.EFFECT: method allows to increase the accuracy of diagnosis through visualization of the inner wall of the target vessel, estimation of architectonics of the stent implanted and intima in the stenosis area, early detection of parietal thrombotic formations of various sizes, fragments of atherosclerotic plaque, forced through the stent cell, intimal dissection as causes of distal embolism.1 ex
Device for inguinal hernioplasty // 2639854
FIELD: medicine.SUBSTANCE: device for inguinal hernioplasty includes a synthetic reticular prosthesis with cut out branches for spermatic cord placement between them, and a removable frame formed in the same plane. The removable frame does not extend beyond the limits of the prosthesis. The removable frame is made with fastening elements and located outside the synthetic reticular prosthesis branches. The attachment elements of the removable frame are made with a transverse size, comparable to the size of the synthetic reticular prosthesis pores, are located on its outer contour and oriented outside the plane of the removable frame. The removable frame is presented in the form of a ring or quatrefoil from an elastic closed string.EFFECT: facilitated implementation and reliability in alloplasty of inguinal hernias, improved handling characteristics when operating the device in a wound, easy attachment and detachment from a reticular prosthesis.9 cl, 4 dwg

Protective case of exoskeleton foot rest // 2639814
FIELD: medicine.SUBSTANCE: invention is applied in conjunction with a motorized exoskeleton designed to be attached to the legs of an exoskeleton user and intended to assist people with limited athletic abilities who are unable to move independently, with limited mobility or complete immobility of the lower limbs. The protective case of the exoskeleton foot rest includes the upper stocking, the lower stocking and the femoral part of the case, the upper edge of which is connected to the lower edge of the upper stocking, and the lower edge is connected to the upper edge of the lower stocking. The case is tubular and made of waterproof and/or repellent materials. The femoral part of the case is made with the possibility of changing its length - the dimension in the longitudinal direction. The upper edge of the upper stocking is designed to fit snugly to the pelvic link of the exoskeleton. The lower edge of the lower stocking is made with the possibility of a snug fit to the tibial link of the exoskeleton. The case is dismountable at least at parts of its length. In addition, the case is configured to provide an access from the outside of the case to the existing tuning elements and the adjustment of the transverse rotation axes of the hip and knee joints of the exoskeleton in accordance with the position of the transverse rotation axes of the exoskeleton's hip and knee joints respectively of the user of the exoskeleton with the ability to output to the outside of the case the clamping elements of the exoskeleton femoral link to the femoral segment of a user of the exoskeleton and sensitive elements of sensors of a location information system in case of their placement on the foot rest of the exoskeleton.EFFECT: creation of a protective case designed to protect the foot rest of the exoskeleton in the course of its operation from moisture, dust and dirt, as well as to prevent the small protruding elements of the exoskeleton foot rest from clinging to surrounding objects while providing capabilities to output to the outside of the case the clamping elements of the exoskeleton links to the corresponding segments of the user's legs of the exoskeleton and sensitive elements of sensors of a location information system in case of their placement on the foot rest of the exoskeleton, as well as an access to the tuning elements and the adjustment of the transverse rotation axes of the hip and knee joints of the exoskeleton in accordance with the anthropometric measurements of the user of the exoskeleton.10 cl, 8 dwg
ethod for obtaining of implants or intermediate products of such implants, and implants and intermediate products obtained using this method // 2639801
FIELD: medicine.SUBSTANCE: methodis implemented for production of implants or intermediate products of such implants, in particular breast implants, which comprises: a) provision of an implant shell with a front side, a back side and an area connecting the said front and back sides and comprising unvulcanized silicone made of and containing several layers of unvulcanized silicone. Moreover, the implant shell does not terminate as it represents an intermediate product still containing unvulcanized reaction zones on the outer surface of the implant shell, and the implant shell is obtained by provision of a casting mould into which layers of unvulcanized silicone are applied stage-by-stage. At that, the unvulcanized silicone is substantially liquid or dissolved in a solvent. b) positioning of the first sheet of foam comprising or made from one layer of polyurethane to a portion of the front side, the area connecting the front and back sides and a back side portion of the unvulcanized implant shell as provided in step a). c) the step of vulcanization of the implant shell obtained in step b) to vulcanize the silicone from step a), thereby binding the first foamed plastic sheet to the implant shell. d) removal, in particular, trimming of an excess sheet of expanded plastic not bonded by vulcanization in step c) to the back side of the implant shell. e) application of a sheet containing partially or completely uncured silicone onto the back side of the implant shell, thereby in particular covering these parts not covered with the first foam sheet.EFFECT: strengthening of the implant layers connection and excluded delamination.16 cl

Thermoformed devices of ophthalmological insert // 2639033
FIELD: medicine.SUBSTANCE: ophthalmic lens comprises: an insertion device comprising: the first insertion member and the second insert member that are thermoformed three-dimensional material; and a hydrogel sealant around the insertion device; wherein a cavity is formed at a portion between the first insertion member and the second insertion member. In another version of the ophthalmic lens, the insertion device may further comprise alignment elements to position the components on the insertion device, or the insertion device comprises a plurality of material layers; wherein the first material layer has dielectric properties and includes a portion of conductive material located on the surface of the insertion member.EFFECT: arsenal of ophthalmic devices is expanding.19 cl, 10 dwg, 1 tbl

Hydrogel lens with protruding parts for improvement of oxygen transmission and tearing // 2639031
FIELD: medicine.SUBSTANCE: device comprising a hydrogel lens with three concentric zones including optical zone, external zone, and peripheral zone located between the optical zone and the external zone. The peripheral zone of hydrogel lens includes a plurality of elongated protruding parts on the surface of the lens proximal to the surface of the wearer's eye that are separated by portions of the gaps between the elongated protruding parts so that none of the elongated protruding parts surrounds the optical zone completely. The elongated protruding parts are located outside the optical zone and within the external zone of hydrogel lens. The elongated protruding parts have a higher stiffness than the rest of the hydrogel lens.EFFECT: more active transmission of oxygen, intense tearing.16 cl, 4 dwg

Device for endovascular prosthesis delivery // 2639027
FIELD: medicine.SUBSTANCE: device contains a tubular element with a distal area, proximal area and an area for connection to the endovascular prosthesis attached to the distal area. The distal area has a porous surface formed by a plurality of circumferential rings, adjacent pairs of which are connected to each other by at least one longitudinal spacer. The porous surface has a gradient of the circumferential width between the longitudinal spacers attached to the opposite sides of one circular ring, decreasing in the direction from the proximal area to the distal area. Each circular ring contains alternating vertices and recesses. At least one longitudinal spacer connects the first recess on the first circular ring with the second recess on the second circular ring, adjacent to the first circular ring. Each of the first circular ring and the second circular ring contains only two pairs of alternating vertices and recesses. The invention has a variable degree of tubular element flexibility from the proximal to the distal area.EFFECT: increased efficiency.18 cl, 43 dwg, 3 tbl

Pressure adjustment method // 2639024
FIELD: medicine.SUBSTANCE: invention relates to a method for pressure adjustment in the volume (52) between the prosthetic body (50) and the liner (48) or the structural element of the prosthetic system and the amputation stump in a vacuum system to secure the prosthetic system. The method comprises the steps of: a) determination of the pressure values (4) that are a pressure measure in the volume (52) at different times, and recording of certain pressure values, b) determination of the maximum (12) and minimum value (14) among the recorded pressure values, c) determination of the difference in the maximum value (12) and the minimum value (14), d) comparison of the difference value (16) and a predetermined first limit value, and e) pump activation to pump the fluid out of the volume (52) if the difference value (16) is higher than the predetermined first limit value. The first limit value does not depend on the state of motion and does not depend on the absolute value of pressure acting in the volume.EFFECT: simplified pressure adjustment in the vacuum system volume in order to create the optimum pressure for the corresponding state.10 cl, 6 dwg

ulti-component insertion device with fixing seal for ophthalmic devices // 2639016
FIELD: medicine.SUBSTANCE: multi-component insertion device for an ophthalmic lens includes: the first rear and the first front curved insertion elements; conductive material on one or both of the first front and first rear curved insertion elements; an electronic component attached to the conductive material; a self-fixing element, which includes a groove on the front curved insertion element, a shaped protrusion on the rear curved insertion element, made with a possibility of introduction into the groove to tightly hold the rear curved insertion element in a position relative to the front curved insertion element, thus forming a cavity between the rear curved insertion element and front curved insertion element, and a sealing element provided for in the front curved insertion element groove and being in contact with the shaped protrusion, so as to form a vacuum seal around the cavity. At that, the insertion of the profiled protrusion into the groove compresses and maintains pressure on the sealing element in the groove to form a vacuum seal around the cavity. An ophthalmic lens device comprising a multi-component insertion device, further comprises: a hermetically sealed insert-covering layer surrounding the multi-component insertion device. The sealed insert-covering layer is formed by polymerising a reaction mixture between two portions of a casting mould when the insertion device is mounted between the two portions of the casting mould.EFFECT: application of this group of inventions will allow to expand the arsenal of technical means associated with sealing and hermetic closure of various components in energy-powered ophthalmic and biomedical devices.16 cl, 9 dwg

Ophthalmological device with thin film nanocrystal integral circuits in ophthalmological devices // 2638977
FIELD: physics.SUBSTANCE: invention relates to an ophthalmological device that comprises of a first substrate liner containing an active optical device, a first thin film nanocrystal transistor, a first battery and a first conductive path. The first thin film nanocrystal transistor comprises of an n-type nanocrystal layer, the first battery is located near the first conductive path so that the first battery is in electrical connection with the first thin film nanocrystal transistor. The active optical device contains a liquid meniscus lens element comprising of two immiscible fluids to form a meniscus between them, whereby the active optical device is in electrical connection with the first battery and the first thin film nanocrystal transistor, and the active optical device is configured to change the focal characteristics of the ophthalmological device when applying an electric charge to change the shape of the meniscus. Hydrogel material surrounds or seals the first substrate liner.EFFECT: invention provides an ophthalmological device with a liner element, a thin film nanocrystal transistor, electrical interconnections and batteries.18 cl, 6 dwg
Implant for cranial bones prosthetics and method of implant manufacture for cranial bones prosthetics // 2638894
FIELD: medicine.SUBSTANCE: method of manufacturing an implant for cranial bones prosthetics, repeating the geometry of cranial bones to be prosthetically applied and adjacent to the missing part of skull, that is, the skull defect, consists of the following steps: a computed tomography of the skull with defects is made; from the images obtained from the tomogram, a three-dimensional image of the skull with defects subject to editing is created, that is, a digital three-dimensional model of the skull using software; the volumetric image is edited, virtually cutting out at least a portion of the skull with the missing part of the bone to obtain a digital three-dimensional model and its file; the missing part of the cranial bone is virtually projected on the basis of the tomogram with obtaining its digital three-dimensional model and its file; based on the received digital three-dimensional models on a 3D printer, a three-dimensional plastic model of the missing part of the cranial bone and a three-dimensional plastic model of at least a part of the skull with the missing part of the cranial bone are made; mesh perforated flat workpiece with through holes of titanium or titanium alloy is made according to the surface size of the resulting plastic model of the missing part of the cranial bone with overlap, cutting off, if necessary, the excess; the resulting flat implant workpiece is flexed by plastic deformation method along the surface of the assembly consisting of a plastic model of the missing part of cranial bone and a plastic model of at least a part of the skull with the missing part of cranial bone, forming before the surgery a curved mesh perforated plate with through holes in from of curved body. The implant for cranial bones prosthetics, obtained by the above method, represents a curved body made in the form of a mesh perforated plate made of titanium or a titanium alloy with through holes, that are fastening elements, that repeats the geometry of cranial bones to be prosthetically applied, and precisely adjacent to the edges of the skull defect - the missing part of the skull, having bridges between the holes of the mesh plate and in which at least one extreme row of holes is calibrated along the outer perimeter, wherein the curved mesh plate with through holes is attached to the cranial bones using fastening means through the through holes of the mesh plate that replaces in inversed manner any bones of the head and facial skull.EFFECT: improvement of accuracy of fit of the implant to the edges of the skull missing part around the skull and avoidance of need to bend plate during operation and its adjustment to the size of the defect, which drastically reduces labour intensity of operation as a whole.24 cl, 15 dwg
ethod for obtaining of objects from biocompatible hydrogel for application in medicine, namely in ophthalmology // 2638849
FIELD: medicine.SUBSTANCE: method comprises the follosing steps: (i) preparation of a polymer solution by dissolving an acrylonitrile copolymer and an anionic group-containing olefinically unsaturated comonomer in an aprotic solvent, optionally in the presence of a precipitant, (ii) forming and starting of transition of the polymer solution obtained in step (i) into gel in a template consisting of a material containing said precipitant, or from a material permeable to said precipitant, (iii) immersion of the object obtained in step (ii) in precipitate during gel formation. The invention also relates to objects from a biocompatible hydrogel obtained by this method.EFFECT: obtaining of objects from a biocompatible hydrogel with improved optical, physico-chemical and biological properties, and having excellent dimensional stability.17 cl, 1 tbl, 1 ex

Endovascular prosthesis and device for delivery // 2638281
FIELD: medicine.SUBSTANCE: endovascular prosthesis comprises the first expandable member capable of expanding from the first unexpanded state to the second extended state in which it is pressed against the vascular lumen and a retractable sheet member attached to the first expandable member and comprising one longitudinal member connected to the first expandable member, and a plurality of ribs attached to the longitudinal member and comprising a pair of rows of ribs connected to the opposite sides of one longitudinal element. Neighboring in the longitudinal direction, pairs of ribs do not have connecting spacers. On the plane: (i) each rib comprises a proximal rib portion, a distal rib portion and an intermediate rib portion interposed therebetween, and (ii) the distal portion of each rib points towards the first expandable member. According to the second embodiment of the endovascular prosthesis in the plane: (iii) the ratio of the perpendicular distance from the longitudinal axis to the distal end of the rib and 50% of the circumference of the first expandable member in the second expanded state is from about 1:2.5 to about 1:1.5 in the plane. According to the third embodiment of the endovascular prosthesis on the plane: (iii) each rib comprises at least two sub-segments, each of which forms a different angle with the longitudinal axis of the endovascular prosthesis. These prostheses can be removed by a doctor after full or partial deployment.EFFECT: possibility to change the prostheses position for optimal placement.66 cl, 43 dwg
Implant for elimination of lower lid retraction // 2637832
FIELD: medicine.SUBSTANCE: implant for elimination of lower eyelid retraction is made of biocompatible polymeric elastic material. The implant is a combination of two segments connected together. At that, one segment is made in the form of a strip of semilunar form with a gradient of width, reinforced from the inside with a polypropylene mesh and perforated. Another segment repeats the shape of the lower part of the circular muscle of the eye and is perforated.EFFECT: increased effectiveness of surgical treatment of lower eyelid retraction.2 cl, 1 dwg

Composite angular implant // 2637626
FIELD: medicine.SUBSTANCE: anatomical guide for selection of an intermediate implant component for use in arthroplasty includes the first element and the second element. The second element is connected to the first element, so that the second element can be shifted and tilted relative to the first element. The second element includes a surface for contacting bone osteotomy, so that when the surface is in contact with the bone osteotomy, the relative shift and tilt of the second element relative to the first element identifies the implant component for use with osteotomy. This guide includes indicators identifying the implant component.EFFECT: ability to locate the implant shaft in the humerus, irrespective of the brachial osteotomy orientation.17 cl, 31 dwg

Spiral hybrid stent // 2637619
FIELD: medicine.SUBSTANCE: spiral stent contains a spiral stent main component and polymeric material. The stent main component comprises the first side strip, the second side strip, the first end strip, the second end strip, the first hook and the second hook. The second side strip is connected to the first side strip to form a plurality of cells. Each of the first and second side strips has a wavy form. The first end of the first side strip tapers towards the second side strip. The first end of the second side strip tapers towards the first side strip. The first end strip comprises a set of spacers forming an extension of the first side strip. The first end of the first end strip is connected to the first end of the first side strip. The second end strip contains sets of spacers forming an extension of the second side strip. The first end of the second end strip is connected to the first end of the second side strip. The second end of the first end strip is connected to the first hook extending from the first side strip. The first hook extends from the first side strip and is alignable with the second end of the first end strip. The second hook extends from the second side strip and is alignable with the second end of the second end strip. Method of manufacture of the above spiral stent includes stages at which the second end of the first end strip is aligned with the first hook of the spiral main component of the stent, the second end of the first end strip is connected to the first hook, second end of the second end strip is aligned with the second hook, the second end of the second end strip is connected to the second hook, and specified polymeric material is applied. In accordance with an alternative version, the main component of the stent contains the first side strip and the second side strip, connected to each other by transverse spacers, as well as the first and the second hook. The first end of the first side strip tapers towards the second side strip in the first connection point. The first end of the second side strip tapers towards the first side strip in the second connection point. The second end of the first side strip runs in the same direction as the first side strip, and the second the end of the second side strip runs in the same direction as the second side strip. The first hook extends from the first side strip and is connected to the second end of the second side strip. The second hook extends from the second side strip and is connected to the second end of the first side strip.EFFECT: can be easily promoted into winding lumens, and does not significantly change vessel compliance after stent deployment, the stent is relatively durable, so that it prevents vessel bends or twisting, which could potentially narrow the lumen, and reduces a significant portion of the unsupported areas of vessel wall.39 cl, 14 dwg

Activation scheme for ophthalmological lense with electric power // 2637611
FIELD: medicine.SUBSTANCE: electronic system that includes an activation scheme for application in at least one of the following ways: on or inside the body. The electronic system contains: functional electronic components, including a digital controller and an additional circuit; a power supply unit to supply power to the functional electronic components; an activation logic having a storage state and an activity state and configured to detach the power supply from the functional electronic components to minimize the leakage current from the power supply unit in the storage state; a switching element associated with a power source, a logic activation circuit, and functional electronic components; the first power-on reset circuit associated with the power supply unit and the activation logic and configured to provide the correct initial state of the activation logic when the power is turned on and hold the activation scheme in the reset state during power stabilization time of the activation logic; the second power-on reset circuit associated with the switching element and functional electronic components, and configured to provide a correct initial state of the functional electronic components upon power-up; a sensor associated with the activation logic, the sensor being a photosensor. The activation logic is configured to switch from the storage state to the activity state when the sensor is activated in response to a light incident on the light sensor whose intensity exceeds the predetermined threshold or in response to the output signal of the second power-on reset circuit.EFFECT: application of this invention will minimize active current consumption of the device.25 cl, 6 dwg
ethod for auricle prosthesis // 2637602
FIELD: medicine.SUBSTANCE: computer tomogram of the patient's head with an absent auricle is performed. The obtained image of the computer tomogram of the existing ear is transferred to the system digital CADXCAM module where it is converted into a model of the absent auricle by mirror rotation and formation of the boundary of adherence to the prosthetic field. The resulting digital model of the auricle prosthesis is transferred to a physical polymer prototype model by means of 3D printing. A dental disk is used to divide the auricle prothesis prototype into two parts: the "auricle" and the "prosthesis base". The "auricle" and the "prosthesis base" are separately installed in the dental cuvette and filled with duplicating dental silicone, after polymerization of which the prototype is removed. Medical dental silicone used to make face exoprostheses is poured into the obtained form under vacuum pressure conditions. The obtained parts of the auricle prosthesis are processed to remove surplus material and individualized by painting. Holes are drilled along the connection line of the prosthesis elements along the end surface coaxially for installation of fixing elements made of rigid dental polymer, having a round flat base, a neck and a hemispherical head, edges of the hemispherical head are made oval, the transition portion from head to neck has a tongue with a rounding radius. To fix the fixing element base in the end part of the "auricle" prosthesis, holes with section 2 times smaller than the diameter of the fixing element base are formed. To fix the fixing element head in the end part of the "prosthesis base" prosthesis, holes with section 2 times smaller than the diameter of the fixing element head are formed. The "auricle" and the "prosthesis base" are connected by fixing elements until the auricle prosthesis is obtained. Auricle prosthesis are fixed to the tissues of the prosthetic bed by medical glue of permanent action.EFFECT: method allows to manufacture a mirror-reproduced prosthesis of the reproduced patient's ear with a possibility of quick and repeated replacement of a part of the prosthesis adjacent to the prosthetic bed tissues.1 cl
Implantable device with jumper // 2637417
FIELD: medicine.SUBSTANCE: implantable device for physiological sensor securing comprises a fastener containing a plurality of tortuous rings defining a clearance along a longitudinal axis and having a compressed configuration and an expanded configuration and a jumper attached to the fastener and having the first end and the second end. In the compressed configuration of the fastener, the jumper is substantially aligned on its longitudinal axis, and in the expanded configuration of the fastener, the jumper protrudes into the lumen. The method for creation of an implantable device for physiological sensor securing consists of making the jumper and the fastener in the form of a single unit, fastener and jumper mounting on the core having the diameter of the desired expanded fastener and a recess, jumper placement over the recess and heat treatment of the fastener and jumper to obtain a thermomechanical shape and mount the sensor on the jumper. A method for creation of an implantable device for physiological sensor securing, according to which the fastener is made first, then the jumper is made, then the fastener and the jumper are heat-treated, then the jumper is attached to the fastener and the sensor is assembled with the jumper. A method for sensor implantation including, at first, preparation of an implantable device for physiological sensor securing, then delivery of the said device to the lumen, and thereafter, expansion of the fastener, thereby causing the jumper to protrude into the said lumen and initiation of the sensor protrusion into the said lumen. The sensor implantation system comprises a delivery catheter and an implantable device for physiological sensor securing located on the delivery catheter.EFFECT: device provides maximum sensor accuracy due to creation of an implantable device with a possibility of its compression.51 cl, 8 dwg

Ophthalmic devices with stabilizing elements // 2637374
FIELD: medicine.SUBSTANCE: method for manufacture of an ophthalmic device with a stabilizing element, comprising the following steps: formation of a lens consisting of biocompatible material; formation of a rigid insert that provides a possibility of particular orientation by a method comprising the steps of formable sheet thermoforming into a given three-dimensional topography; rigid insert encapsulation into the lens; and addition of a stabilizing element capable of providing ophthalmic device orientation on the eye to the lens.EFFECT: ensured stabilisation of ophthalmic device orientation by thermoforming the ophthalmic device components.14 cl, 12 dwg

Endoprosthesis and device for its delivery // 2637106
FIELD: medicine.SUBSTANCE: endoprosthesis, in particular, a vascular or cardiac stent, comprises at least one body. At least partially, thrombogenic elements are located on the outer surface of at least one part of the endoprosthesis body. The endoprosthesis is provided with at least one selectively deactivated retention means holding the thrombogenic elements adjacent to the surface of said body portion. The delivery device comprises the aforementioned endoprosthesis and preferably at least one shell with an endoprosthesis inserted therein adapted to be compressed during delivery and release by relative displacement of the shell and the endoprosthesis. A method for implantation of the above endoprosthesis, particularly into an aneurysmal vascular region or a natural heart valve, includes endoprosthesis placement in the area to isolate the aneurysm from the bloodstream or in the area adjacent to the natural valve, as well as releasing of the thrombogenic elements of the endoprosthesis by placing them at a specific distance from the endoprosthesis surface in the aneurysm cavity.EFFECT: prevention of the continuation of aneurysm growth and making it possible to use thrombogenic materials easily and without risk to the patient.25 cl, 19 dwg
ethod for nose ectoprosthetics // 2637037
FIELD: medicine.SUBSTANCE: optical image of the patient's head is obtained by matching the graphic files of the facial scan and the computer tomography in the digital module of the CAD/CAM system. The nose is modelled on the received optical image of the head according to the parameters that take into account the principles of harmony and symmetry. The image of the nose model is coordinated with the patient, and then is milled from wax. Further, the wax structure is tried on and aesthetic aspects are coordinated with the patient. An operation to install zygomatic implants into the malar bone with further screw fixation of the abutments and fixation into the abutments, seven days after the operation, a reinforcing element providing further fixation of the nose prosthesis, represented as a titanium alloy wire connecting the abutments and having a bend, parallel to the middle horizontal line of the face, passing in the middle of the piriform aperture, on which a magnetic element is fixed by means of laser soldering. A functional impression is made. The boundaries of the previously made nose model are defined on the gypsum model obtained from the specified functional impression with fixation of the reciprocally polarized magnetic element in a projection mounted on the retention element fixed on the zygomatic implants. The wax nose prototype with a magnetic element is copied using silicone material. Wax is replaced by silicone rubber of pre-chosen colour and transparency. The finished prosthesis is fixed to the patient.EFFECT: method allows to make a prosthetic nose with a support on artificial elements, minimal impact on the postoperative face tissues with high aesthetic and functional properties for nose ectoprosthetics.2 dwg

Distraction device for hip reduction // 2636902
FIELD: medicine.SUBSTANCE: device is a vertically extended cylindrical hollow body hingedly connected to one of its end surfaces, on the distal end side, with a fastening assembly consisting of a horizontally extended area having a rectangular supporting protrusion with a shape and dimensions adapted to the groove of the modular stem body of the hip endoprosthesis, and locking screw through holes located on both sides. Inside the cylindrical hollow body there is a piston dividing its internal cavity into two - an upper and a lower, the latter has a terminal for connection to a hydraulic pump which provides reciprocating movements of the piston along the cylindrical body by introducing liquid into its lower cavity and removing the liquid therefrom, inside the upper cavity in its central part there is a hollow cylinder and a central rod element inside it rigidly secured from the distal end on the piston to provide their protrusion from the end surface of the cylindrical body during movement of the piston in its direction, on the side of the proximal end of the rod element there is a threaded portion formed for connection to a plate mounted on the crest of the ilium.EFFECT: stability of the installed structure during the implementation of dosed hip reduction, eliminating the risk of its displacement and additional traumatization of bone tissue while maintaining the standard functions of the joint in order to improve the life quality of the patient in the period between two surgical interventions.1 dwg
ethod of surgical treatment of disorder of bilutary aortal valve // 2636898
FIELD: medicine.SUBSTANCE: previously excised corneal lesions of the fibrous ring. Determining the diameter of the fibrous ring by selecting the meter included in the heart valve prosthesis kit "Perceval S". Then, the overlapping points of the three guide seams are determined by applying to the fibrous ring a means for marking the seams in the form of a ring whose diameter corresponds to the diameter of the fibrous ring and containing three marks along a circle at equal distances from one another and serving as a guide for selecting the overlapping points Guide seams. Then, the guide sutures are applied to the fibrous ring of the aortic valve at selected places from the ventricular side to the aorta, and the prosthesis is collected on the delivery device. Free ends of the filaments of the guide sutures from the ventricular side are passed through the corresponding fixed loops on the prosthetic heart valve "Perceval S". On the guide threads, the prosthesis is positioned at the level of the fibrous ring, removed from the delivery device. The lower part of the prosthesis is fixed with a double annular cuff to the fibrous ring, the prosthesis is squeezed by a balloon with a pressure of 4 at for 30 sec, controlling the correct arrangement of the double annular cuff of the heart valve prosthesis "Perceval S" in the fibrous ring. After that, the guide seams are removed.EFFECT: method allows to increase the efficiency of surgical treatment of the defect of the bicuspid aortic valve, to shorten the operation time and shorten the time of the artificial circulation, to quickly restore the hemodynamics of the heart.2 cl, 3 ex

Reinforcing implant for long bone, particularly femur // 2636897
FIELD: medicine.SUBSTANCE: implant for anchor rods of two prostheses, located opposite to each other on a long bone, has a shape of an elongated rod with a receiving socket for the relevant anchor rod at each end, these receiving sockets are represented by transition bushings for anchor rods of various sizes, the receiving sockets comprise a receiving channel, the width of the receiving channel is stepwise, rigid connection between receiving sockets is provided by a releasable connector. The receiving socket is attached to the free ends of the anchor rods. The receiving sockets are fixed on the anchor rods. Tissue dissection for lateral access to the central part of the long bone is created. The receiving socket with anchor rods is inserted from the corresponding edge of the indicated long bone. The connector is joined and fixed using lateral access.EFFECT: uniform load distribution, reduced risk of fractures.15 cl, 5 dwg

ethod for treatment of subclavian arteries defects with vertebral-subclavian steal syndrome // 2636892
FIELD: medicine.SUBSTANCE: presence of hemodynamically significant U3-signs of affection of SA and VSSS is determined against a background of combined stenosis of CA or isolated lesion of SA. With isolated lesion of SA, stenting is performed through the brachial approach. If the operation fails, this access is performed through the thigh. If the operation fails with this access too, preconditioning procedure is performed followed by a procedure of carotic subclavian shunting using the external jugular vein as an auto-shunt with mandatory compression of the vertebral artery at the time of anastomosis with the CA. In case of combined CA stenosis through the femoral approach, digital subtraction angiography of brachiocephalic arteries is performed and the side of CA lesion is determined with respect to the affected SA. In case of bilateral or contralateral combined CA stenosis, brain perfusion studies are performed and the side with less perfusion characteristics is revascularized. In case of ipsilateral combined CA stenosis, SA stenting from the femoral approach is performed. If the operation fails, brachial access is performed. If the operation fails with this access too, preconditioning procedure is performed followed by carotid endarterectomy (CEAE) and simultaneous carotic subclavian shunting using the external jugular vein as an auto-shunt with mandatory compression of the vertebral artery at the time of anastomosis with the CA. In case of ipsilateral combined CA stenosis, if SA stenting is successful, CA revascularization is performed. In case of contralateral combined CA stenosis, if the smaller perfusion characteristics refer to the side without SA lesion, the CA is revascularized first, and then the patient is treated in the same way as with an isolated SA lesion. In case of contralateral combined CA stenosis, if the smaller perfusion characteristics refer to the side with SA lesion, then the patient is treated in the same way as with an isolated SA lesion, and then the CA is revascularized. In case of bilateral combined CA stenosis, if the smaller perfusion characteristics refer to the side with SA lesion, then the patient is treated in the same way as with an ipsilateral combined CA stenosis. If the perfusion characteristics refer to the side without SA lesion, then the patient is treated in the same way as with a contralateral combined CA stenosis.EFFECT: intra- and postoperative complications associated with revascularization of subclavian and carotid arteries are avoided.1 dwg

Intervertebral disk endoprosthesis // 2636852
FIELD: medicine.SUBSTANCE: intervertebral disc end prosthesis consists of three parts, a lower plate, an upper plate and a central part located between the plates. The upper and lower plates, each, have cylindrical cavities located to the central part. The central part is a pair of conjugations consisting of two conjugation elements. The first conjugation element is in the form of a ball segment with a convex-spherical sliding surface having an edge in the cylindrical shape with its protruding part and height for placement in the cylindrical cavity of the lower plate. The height of the edge and the depth of the edge of the cylindrical cavity have a ratio of 1:3. Edge and edge form a limiting element. The second conjugation element installed in the cylindrical cavity of the upper plate from its underside, is in the form of a cylindrical block whose edge height and the depth of the edge of the cylindrical cavity have a ratio of 3.8:3.0. The conjugation element has a notch with a concave-spherical sliding surface from the lower side, the radius of which is equal to the radius of the convex-spherical sliding surface of the spherical segment. The possibility of sliding surface movement along the sliding surface is restricted by this limiting element, at which the surface of the lower plate edge is fixed to the surface of the upper plate edge. It is possible to move along the spherical surfaces in all directions and rotate with the deflection of the spherical segment and the concave spherical notch axes relative to each other within the range of 8-12°. The lower and upper plates are made of porous oxide ceramics based on alumina or zirconium oxide with surface porosity of at least 40%, with an average pore size of at least 150 mcm. The first conjugation element is made of dense ceramics based on alumina with a density of 3.8-3.9 g/cm3, or zirconium oxide with a density of 6.0-6.1 g/cm3. The second conjugation element is made of UHMWPE.EFFECT: invention provides stability of the spinal column and a decrease in the effect of wear particles of the materials from which the end prosthesis elements are made on the living organism.6 cl, 7 dwg
ethod for exophtalm correction and implant to increase orbit volume near formed bone defect in case of exophtalm correction // 2636418
FIELD: medicine.SUBSTANCE: method for exophtalm correction includes the increase in the volume of bone orbit by forming a bone defect in it. An implant with an indentation on the surface is installed in the formed defect, ensuring fixation of the position of the displaced soft tissues of the orbit. The implant is fixed. The implant is made in the form of a plate with a working surface and one or more edges for implant fixation and at least one opening for the fixing member. The working surface has an indentation, the dimensions and location of which are sufficient to provide an increase in the volume of the orbit and create an additional cavity for the displaced soft tissues of the orbit beyond the area of the formed bone defect.EFFECT: group of inventions allows to increase the volume of bone orbit, create a barrier for infection and compression effect on the surrounding structures, prevent the overgrowth of the formed bone defect in postoperative periods, achieve a stable and long-term result of treatment, due to the possibility to reliably fix the position of the displaced soft tissues of the orbit beyond the area of the formed bone defect.21 cl, 2 ex
 
2550946.
Up!