RussianPatents.com

Cortical plates (A61B17/80)

Metal implant for osteosynthesis of injured bones of pubic symphysis of pelvic ring

Metal implant for osteosynthesis of injured bones of pubic symphysis of pelvic ring

Metal implant for osteosynthesis of injured bones of pubic symphysis of pelvic ring is shaped as a plate with fixing screw holes. The plate represents a round-cornered flat ring sector, which is a part of the plane between segments of two circles with a common centre and different radii limited by two radial lines to the ends of the segment with a greater radius. Two holes 6.6-6.8 mm in diameter mirror symmetric in relation to a symmetry plane of the plate, having inner sockets 1.45-1.55 mm deep and 9.15-9.25 mm in diameter for pelvic fixing screws are created along the midline of the plate. The centres of the two mirror symmetric holes for the pelvic fixing screws are spaced as much as 20 mm. Two holes 4.1-4.3 mm in diameter mirror symmetric in relation to the symmetry plane of the plate, having inner spherical facets for cancellous screws are created along the midline of the plate. The centres of the two mirror symmetric holes for the cancellous screws are spaced as much as 49.5 mm. There is one working hole with metric screw-thread M 5 at the intersection of the midline and the symmetry plane.

Fixing device for greater trochanter of hip bone

Fixing device for greater trochanter of hip bone

Fixing device for greater trochanter of hip bone contains diaphyseal part with diverging holes for possibility of passing screws in intracortical way and fixing unit, which contains contour bend and two-pronged fork. On-bone part of prongs of the latter has arch-like bend with shape making it possible to bend around trochanter top. Submerged parts of prongs are parallel to each other and are oriented at angle 160-170° relative to diaphyseal part of plate. Length of submerged part of prongs is larger or equals thickness of greater trochanter fragment. A line of angle-stable holes for angle-stable screws, oriented perpendicular to bone axis, is located at prong base.

Ratchet-gear vertebral device

Ratchet-gear vertebral device

Invention relates to medicine. Ratchet-gear vertebral device contains variable length element, containing ratchet gear, which has working configuration, allowing change of length of variable length element in opposite direction. Variable length element contains multiaxial connective elements for fixation to bone with possibility of rotation around several rotation axes, characterised by presence of transpedicular screws, which pass through said connective elements. Each of said transpedicular screws is characterised by presence of nut, which tightly fixes transpedicular screw in its place and in addition provides multiaxial rotation of said transpedicular screw.

Implants and methods for tissue defect correction

Implants and methods for tissue defect correction

Group of inventions refers to medicine. An implant for tissue defect correction comprises a number of separate biologically compatible mosaic plates of thickness d moulded of cement and coupled together by a wire fastener. The mosaic plates are moulded in wire intersections. The wires are configured to retain the mosaic plates coupled together. The adjoining mosaic plates are spaced at width t. The method for moulding the above implant provides the stages of filling the cement composition around the wire or mesh followed by hardening the cement composition. The method for implanting the above implant provides the stages: exposing at least a patient's part surrounding an area, wherein the implant is supposed to be implanted, attaching the implant to tissue with the implant moulded so as to fit the tissue defect, and closing the open part.

Bone plate and fixing system with bone plate

Bone plate and fixing system with bone plate

Group of inventions relates to medicine. A bone plate for the interaction with bone screws includes a mainly elongated body from a tissue-compatible, mainly rigid material, determining the plate plane and longitudinal axis, openings across the plate plane, consisting of the first and second round holes, crossing with the formation of edges, and a single rounding radial rib in both the round holes which deviates from their walls and passes around the holes in one plane to their centre. The first round hole is larger than the second round hole. The screws consist of a head and a rod for the fixation of parts of a fractured or injured bone. A rounding rib in the first round hole with an impact of the bone screw is made with a possibility of tightening with the thread, made on the screw head. The fixing system with the bone plate and bone screws for the fixation of bones, in which the said bone plate and, at least, two types of the bone screws, namely the bone screws with a partially spherical lower side of the head and the bone screws with the thread on the head, can be used.

Retainer for stable functional osteosynthesis of patella fractures

Retainer for stable functional osteosynthesis of patella fractures

Invention refers to medicine, namely to traumatology and orthopaedics, and can be used in the osteosynthesis of patella fractures. A retainer comprises a plate, an angular stable screw and a screw head hole. The angular stable screw head hole is central. The plate is pre-bent oval-shaped on the periphery of which there are two holes for the thread passing; the lower surface of the plate bears two cone-shaped pins symmetrical in relation to the angular stable screw head hole. The upper surface of the plate has a thread deflection hook.

Device for correction of hollowed chest

Device for the correction of hollowed chest comprises three rectangular plates with rounded edges, two of which are support plates with their centres attached to the ends of the third, base plate. In the middle of the support plates, there are sockets with fastener holes to attach therein the ends of the base plate to prevent rotations of the plates in relation to each other. Two oval holes for attaching two auxiliary bars are created along a common axis of the base plate. One end of the bars is provided with the fastener hole and a step formed by U-bending the bar at the right angle, while the other one represents a wedge at an angle of 45° and edged. The bars are mounted on the base plate with the wedge ends oppositely.

Implant of navicular-and-lunar stabilisation

Implant of navicular-and-lunar stabilisation

Invention relates to medicine. An implant of navicular-and-lunar stabilisation is formed by a plate, which has an elongated shape, and is made of a material, possessing properties of elastic deformation, ends of which contain, at least, one hole for the passage of fixing screws. The central part of the plate contains a hole, which in fact has the shape of a parallelogram. Sides of the parallelogram are connected by a spring diagonally.

Device for blocked osteosynthesis of shaft fractures of long bones

Device for blocked osteosynthesis of shaft fractures of long bones

Device comprises a plate. The plate is transversally bent at a bending radius equal to a plate width. Each of both ends at an apex of the transversal bend of the plate comprise one vertical hole with a cylindrical screw thread; in the middle and on the periphery of the plate, there are staggered holes alternated with and without the screw hole along the full length and inclined at 20 degrees to the centre of a syntethised bone shaft with the number of holes dependent on the plate length for insertion of fixing screws. Fixing screw heads have a cylindrical thread screwed incompletely on the last turn of the thread. A space in the middle of the plate is free from the holes along the quarter-length.

Method of treating old injury of supraspinatus tendon and device for implementing it

Method of treating old injury of supraspinatus tendon and device for implementing it

Invention refers to medicine, namely to traumatology and orthopaedics for treating old injuries of supraspinatus tendon. The method involves approaching a shoulder joint, detecting a tendon defect, mobilising a distal end of the tendon, forming parallel canals in a greater tubercle of humeri. A cone-shaped deepening is formed in a place of sclerous insertion ground of the greater tubercle. After fixing sutures are delivered through bone canals on a humeral periosteum, a device for treating old injuries of supraspinatus tendon. The device comprises a handle connected to a rectangular plate curved after an outer surface of the humerus with through holes for sutures, screws and nails. Cone-shaped pins are placed in the corners of the plate. The fixing sutures are delivered into the holes of the plate temporary fixed by means of the handle and cone-shaped pins within an exit of the fixing sutures to be tightened. The plate is raised slightly and reduced along a slope of the greater tubercle with pulling the fixing sutures up optimally to achieve an immersion of the distal end of the supraspinatus tendon into the cone-shaped deepening. The plate is temporary fixed with the nails, and then the conically threaded screws The temporary fixing elements and handle are removed, and the wound is closed in layers.

Device for treating shoulder fractures

Device for treating shoulder fractures

Device comprises a plate element having an arch cross-section configured to be attached to the humeral bone, and a cup configured to be attached to a head of the humerus connected by a poorly concave transient portion. The plate element is provided with at least three through holes arranged along the long axis of the device with their axes directed perpendicular to the surface of the plate element. The transient portion is provided with at least one through hole arranged along the long axis of the device with its axis facing a flat end of the cup. The cup is provided with at least three pairs of through holes symmetrical in relation to the long axis of the device. Each pair of the through holes of their axis in a transverse plane of the device is symmetrical in relation to the central axis. The through holes of the plate element, the transient portion and the cup are threaded. The through holes of the plate element and the through hole of the transient portion represent two overlapped circles. An internal surface of the proximal circle of each through hole is threaded, and its diameter is less than that of the distal circle. A length of the transient portion makes at least a half of the length of the cup. The transient portion is provided with an additional pair of the through holes symmetrical in relation to the long axis of the device; their axes face the flat end of the cup with its cross point lying from the side of the cup concavity. The cup is provided in plane in the form of a rectangle and has three pairs of the through holes. The axes of the pair of the through holes closest to the flat end of the cup and their cross-point lies from the side of the cup concavity. The axes of the second pair of the through holes face from the flat end of the cup and their cross-point lies from the side of the cup concavity. The axes of the pair of the through holes closest to the transient portion face the flat end of the cup with their cross-point lying from the side of the cup concavity. One of the side edges of the cup is additionally provided with an ear with a varied position and form of the profile in the transverse plane of the device. The ear is provided with at least one threaded through hole along the long axis and perpendicular to the ear surface. The long axes of the ear in plane are perpendicular to the long axis of the device.

Device for external fixation of shaft fractures of tubular bones

Device for external fixation of shaft fractures of tubular bones

Device comprises a plate transversely folded with a bend radius equal to the width of the plate, and has pointed long edges, and in the middle of an apex of the transverse fold from both ends, there are edge holes with the cylindrical thread inclined to the centre of the plate - the upper one -downwards, and the lower one upwards - at an angle of 30 degrees. Threaded screw holes are arranged in the line of the plate along the apex of the fold from both ends and separated by a solid body of the plate at ј of its length at an alternating angle towards the sides of a bone axis along the whole length at the distance from each other equal to a screw head diameter with a number dependent on the plate length for introducing a retention screw with a head whereon there is a cylindrical thread with a unfinished upper coil matched with the thread of the plate hole equal to the screw head diameter screwed in the plate.

Device applicable in surgical management of pectus excavatum, and method for surgical management

Device applicable in surgical management of pectus excavatum, and method for surgical management

Group of inventions refers to medicine. A device applicable in the surgical management of a patient suffering pectus excavatum comprises a plate placed under the patient's skin and accommodating substantially a centre that is above a chest when in use, and two side pieces that are above the ribs when in use. The centre comprises at least one hole enclosing a fastener for the plate attachment to the patient's chest. The plate curve, length and width are those that the plate rests against ribs to hold the chest when in use. A kit applicable for the surgical management of the patient suffering pectus excavatum comprising the above device, and at least one fastener applicable for the device attachment to the patient's chest. A method for the surgical management of the patient suffering pectus excavatum involves the following stages: patient's chest is incised, and the plate is inserted under the skin and on the outside of a thorax; and the above plate has the curve, length and width that the plate extends on both sides of the chest, and may be placed on the outside of the patient's thorax; the chest in lifted into the required position, and the above plate is fastened to the chest.

Miniplate for osteosynthesis of lower jaw after sagittal osteotomy

Miniplate for osteosynthesis of lower jaw after sagittal osteotomy

Invention relates to medicine, namely to dentistry, and can be applied for osteosynthesis of lower jaw after its osteotomy. Miniplate for osteosynthesis of lower jaw after sagittal osteotomy has case of rectangular shape, which includes links with disks and openings in them for mini-screws and connective elements. Case is made in form of continuous plate, on each end of which there is one link with disk and opening in it for mini-screws and connecting element and one arm, placed to miniplate case at angle 25±5°, representing links in form of plate from two disks with openings in them for mini-screws and connecting elements.

Bone holding clamp with osteosynthesis plate fixator

Bone holding clamp with osteosynthesis plate fixator

Invention refers to medicine, particularly to surgical instruments applicable in traumatology and orthopaedics for an osteosynthesis operation. A bone holding clamp with osteosynthesis plate fixator has an arc on one of its branches a base of which comprises a threaded rod on one end of a working side of the branch having a pressure platform with a ridge surface to fix the plate onto the bone, and a rod rotation handle.

Method of surgical treatment of funnel chest deformation and device for its realisation

Method of surgical treatment of funnel chest deformation and device for its realisation

Group of inventions relates to medicine. Method includes making two cuts of skin and subcutaneous fatty cellular tissue on lateral surfaces of chest and formation of retrosternal tunnel. Titanium plate, consisting of permanent part and part to be removed, is used. Permanent part of plate in section has shape of a parabola, copying contour of correctly formed chest. Anterior end of permanent part is provided with projections with through holes and cuts in form of circle segment of equal diameter on both edges of plate. Protrusion on one edge is located opposite cut on the other edge of plate. Both ends of posterior end of permanent part of plate are provided with two pairs of unidirectional projections, made in form of circle segment of the diameter equal to diameter of through holes. Part of plate to be removed is introduced into tunnel and passed behind sternum. Part to be removed is partly broken after its bringing from under sternum. Permanent part of plate is brought behind sternum, with gradual correction of chest deformation as plate moves behind sternum with permanent support with projections on anterior surface of two adjacent ribs of both halves of chest. Projections of anterior end of permanent part of plate are bent upward and installed on external-lateral surface of two adjacent ribs of right half of chest. Projections, located opposite each other on different edges of posterior end of permanent part of plate, are bent in opposite directions in such a way that projection, directed downwards is located opposite projection directed upwards. Bent projections of posterior end of permanent part are installed on external-lateral and internal-lateral surface of two adjacent ribs of left half of chest. Plate is submerged into intercostals space from both sides of chest and plate is sewn to ribs through through holes on permanent part. Device for realisation of claimed method represents curved titanium plate for placement in intercostals space, consisting of permanent part and part to be removed, between which transverse saw cut to 1/4 of plate thickness is located. Permanent part in section has shape of parabola, copying correctly formed chest. Part to be removed is made in form of 1/2 part of ellipse with flattened end curved at angle 45° in frontal plane and through hole near its apex edge. Anterior end of constant part is provided with projections with through holes and cuts in form of circle segment of equal diameter on both edges of plate. Projection on one edge is located opposite cut on the other edge of plate. Both edges of posterior end of permanent part of plate are provided with two pairs of unidirectional projections, made in form of circle segment of diameter equal to diameter of through holes.

Mini plate for ostesynthesis after multi-segment osteotomy of upper jaw

Mini plate for ostesynthesis after multi-segment osteotomy of upper jaw

Invention relates to field of medicine, namely to dentistry, and can be applied for osteosynthesis of upper jaw in multi-segment osteotomy. Miniplate for osteosynthesis after multi-segment osteotomy of upper jaw has body of rectangular shape, an upper and two lower arms - lateral and medial, representing links of disks with openings for miniscrews and connecting elements in form of plates. Body of miniplate in the end of lower part has an opening for miniscrew in form of disk with opening. Lateral arm additionally contains holding element in form of disk and connecting rectangular-shaped element, which is continuation of said arm. Length of lateral and medial arms of miniplate between openings and opening in miniplate body has ratio 6:10. Angle of upper arm with miniplate body constitutes 170±1°. Angle of lateral arm with miniplate body constitutes 120±1°. Angle of medial arm with miniplate body constitutes 110±1°. Upper and lateral arms are placed to different sides from miniplate body.

L-shaped miniplate for osteosynthesis of upper jaw after osteotomy

L-shaped miniplate for osteosynthesis of upper jaw after osteotomy

Claimed invention relates to medicine, namely to dentistry, and can be applied for osteosynthesis of upper jaw after its osteotomy. L-shaped miniplate for osteosynthesis of upper jaw after osteotomy has body of rectangular shape with upper and lower arms, representing links of two disks with openings for miniscrews and connecting elements in form of plates. Miniplate additionally contains holding element in form of disk and connecting element of rectangular shape which is continuation of lower arm of miniplate. Upper and lower arms are placed in different sides and angularly with respect to miniplate body. Angle of upper arm with miniplate body constitutes 160±1°. Angle of lower arm with body constitutes 110±1°.

Plate for correction of funnel chest deformation

Plate for correction of funnel chest deformation

Invention relates to medical equipment and can be applied for correction of funnel chest deformation. Device for correction of funnel chest deformation contains plate from titanium alloy, which has end area with openings for ligature. Plate has additional middle and transit areas. Transit areas, each, are placed between middle area and end area, each end area being 15-60 mm long. Each transit area is 5-40 mm long, with: T1=1.5-3 T2, where: T1 is width of middle area; T2 is width of each end area. Width of transit areas changes evenly.

Device for treating funnel chest deformation

Device for treating funnel chest deformation

Invention relates to medicine and can be used for treatment in case of funnel chest deformation. Device contains support frame with fixed on it tensioning screws to the ends of which elements of connection with sternum are fixed. Support frame is made in form of spatial three-rest tubular construction, whose ends are provided with telescopic bars. Two upper ends rest against arches, which embrace shoulder joints, the lower one resting against the plate, fixed on lumbar part. Elements of connection with sternum are made in form of staples, embracing sternum in intercostals spaces.

Device for blocked external osteosynthesis of tubular bones

Device for blocked external osteosynthesis of tubular bones

Invention relates to medical equipment, namely to metal constructions for osteosynthesis of fractures of tubular bones. Device contains curved plate with holes, fixing screws and spherical washers with hole in the centre and cylindrical thread. Plate is curved transversely with bend radius equal to plate width. Edges along plate are sharpened and made with toothed thread. Holes in plate are made spherical for placement of spherical washers and are located in staggered order on plate ends. Space in the centre of plate, occupying 1/3 of plate length is free of holes. Head of fixing screw has cylindrical thread for placement in hole of spherical washer. Fixing screw is made self-tapping, screw thread can cut into plate holes.

Method and elongating plate for osteosynthesis

Method and elongating plate for osteosynthesis

Group of inventions relates to field of medicine, namely to traumatology and orthopedics and can be used in surgical treatment of fractures of tubular bones. Reposition of bone fragments and application of plate on fracture zone with its fixation to bone fragments by means of screws are performed. In case of non-diagnosed comminuted fracture or detection in course of primary or revision osteosynthesis insufficient rigidity of one of bone fragments fixation previously fixed plate is elongated with additional application of elongating plate. One end of elongating plate is installed with rest on the edge of previously applied and fixed on bone plate, its other end being fixed on bone fragment by means of screws on holes, made on elongating plate. Elongating plate contains case with holes for mounting screws. One end of case has element for providing possibility of fixation with rest on previously fixed plate, which is made in form of step, whose size corresponds to the thickness of fixed plate, its other end being made with holes for mounting screws.

Device for osteosynthesis of bone fractures

Device for osteosynthesis of bone fractures

Invention relates to medicine, in particular to traumatology and orthopedics. Device consists of plate with holes for blocked screws, made along plate and guide. Plate is made chute-shaped and contains two combined holes on ends, with perpendicularly adjoining to them grooves. Holes for blocked screws are located in two rows along plate, with axes of all holes being made at angle to longitudinal axis of plate.

Osteosynthesis device applicable for immobilisation and fixation of long bones

Osteosynthesis device applicable for immobilisation and fixation of long bones

Invention refers to medicine. A device comprises a bearing bridge extending in a first longitudinal direction, at least one first fixation device extending transversally from the bearing bridge, and one second fixation device extending transversally from the bearing bridge. The second fixation device is longitudinally displaced from the first fixation device. The bridge has at least one area arranged between the first fixation device and the second fixation device which is arched with respect to a longitudinal axis of the bridge, at least in two spatial measurements and enables the first fixation device rotating with respect to the second fixation device about the longitudinal axis of the bridge so that to adapt the device in three spatial measurements to any loop or bone structure.

Lamellar implant, in particular for application in spine

Lamellar implant, in particular for application in spine

Invention relates to medicine. Lamellar implant for application in osteosynthesis, consists of, at least, one first lamellar component, which has holes for installation of fixing screws and connecting element of, at least, one second lamellar component, which has holes for installation of fixing screws and receiving element for installation of connecting element. Each of lamellar components is placed with possibility of sliding in one direction relative to other lamellar element. Lamellar elements are provided with device for limitation of their sliding in the opposite direction to each other, which includes clamping screw. Clamping screw consists of threaded part of screw and screw head, and in mounted state of two lamellar components. Threaded part of screw interacts with connecting element, and screw head - with oblong hole, made in second lamellar component, in such a way, that between screw head and oblong hole between connecting element and fastening element clamping action arises. Each of lamellar components and clamping screw are made in such a way, that sliding movement in directions or opposite to it occurs without blocking.

Method of minimally invasive external fixation of long bones and external fixation device

Method of minimally invasive external fixation of long bones and external fixation device

Invention refers to medicine. It involves a closed reduction of fragments of an injured bone. The injured bone is approached from an incision approximately 3-5 cm long above a distal fragment. A bed is formed for the following introduction of a bone portion of the device. The device is assembled by parallel connection of two opposed longitudinal identical plates - bone and external - movable relatively to each other by a hollow rod through their border holes. The latter have extended lines of threaded tapered holes of the same size. Along the full length, the rod has an external thread which comprises movable fixation elements to fix a position of the plates in the form of conical nuts aligning the rod in the holes of the plates. A distal working end of the rod has a flange in the form of a truncated cone with its greater base directed towards a proximal end of the rod and having the sizes and an external thread provided on an external surface, matched with those of the holes of the plates. The bone plate is introduced into the formed bed. The bone plate is fixed to a distal fragment of the injured bone with a wire inserted through a rod cavity. The assemblage process is finished by coupling the free ends of the plates by a second similar hollow core in their matched holes through a puncture above the proximal fragment. The bone plate is fixed to the proximal fragment of the injured bone by another wire through a cavity of the second rod. Then using the holes of the external and bone plates as a navigation system, the holes are formed of skin punctures up to 1 cm in the injured bone, and the bone plate is screwed therethrough to the fragments of the injured bone. Then the external plate, the rod and the wires are removed. Fixation of the bone plate is finished by screw insertion in the empty holes.

System for fixation of bone tissue provided with sensor and telemetric device

System for fixation of bone tissue provided with sensor and telemetric device

Invention relates to medicine. System for fixation of bone tissue contains fixer (2), at least one bone screw (3), able to be introduced into through hole (1) of fixer (2), and sensor and/or telemetric system, installed on separate plate (5), made with possibility of attachment to fixer (2). Fixer (2) and separate plate (5) contain means for formation between fixer (2) and separate plate (5) of, at least, one connection "hollow/spring".

Bone plate

Bone plate

Group of inventions relates to medicine. A bone plate contains a lower side (3) provided to lean against bones, and an upper side (2) opposite to a bone, as well as holes preferentially provided substantially along a longitudinal axis of the plate wherein bone screws (9, 11) are geared to attached to the bone. At least one of the holes preferentially represents an extended through hole (4) with a longer axis towards the longitudinal axis of the plate. One of portions of a side edge segment of the extended hole comprises turns (5) of thread which observed crosswise a plane of the upper side are provided in depth of the extended hole (4) partially only. However, if watching crosswise the plane of the upper side, over the turns of thread (5) and/or thereunder, a smooth-wall retaining structure (6) to contact a force closure with an appropriate counter-structure (14) on a head (10, 12) or a neck of the bone screw (9, 11) can be seen. A system comprising the bone plate (1) and at least one bone screw (11). The head (12) and/or neck of the bone screw (11) towards its longitudinal axis (6) comprise following thread (13) on a first portion, followed with a support structure (14) on a second portion supplementing the retaining structure (6) of the extended hole (4) of the bone plate (1).

Compression mandibular osteosynthesis miniplate, method of fixation thereof and fixation instrument set

Compression mandibular osteosynthesis miniplate, method of fixation thereof and fixation instrument set

Invention refers to maxillofacial surgery, and can be applied for fixation of a compression miniplate. An end of the miniplate with a profiled hole is positioned on a greater bone fragment and fixed on a small fragment with one screw only after a fracture line and a miniplate centre aligned. With the use of a conductor, a secondary compressor pin hole is formed in the bone fragment under the profiled hole. The compressor is turned clockwise to enable the visual disappearance of bone fragment diastasis. Fixation on the greater fragment is made with one screw only. The compressor is removed, and miniplate fixation is completed through the remained holes.

Plate for osteosynthesis, in particular for head of radius or shoulder bone, supplied with bored holes for bone screws

Plate for osteosynthesis, in particular for head of radius or shoulder bone, supplied with bored holes for bone screws

Plate for osteosynthesis, such as a plate for head of radius or shoulder bone, is equipped with drilled holes for bone screws. At least one of the drilled holes has internal threads and/or the plate is provided with at least one continuous longitudinal drilled hole. At least one drilled hole for the bone screws, having both screw and spherical heads, is equipped with a threaded section in the area facing the bone, and a site with a spherical facet in the region distant from the bone. These threaded section and a section with a facet are located concentrically over each other or inside of each other.

Plate for fixation of small fragments in humeral bone

Plate for fixation of small fragments in humeral bone

Plate for small fragments of humeral bone head, used for stable fixation, in case of fracture, of bone fragments on head and on the section of diaphysis near humeral bone body contains elongated plate part which has arch-like transverse section, and adjacent to it anatomically formed head part. In plate part and in head part made are holes with conic thread for receiving bone screws which contain screw head with complementary conic thread, ensuring stable angular position when screwed up. In head part a number of symmetrically distributed holes are made. Symmetry axis coincides with longitudinal central plate axis. First external holes in head part are oriented with respect to each other at angle of about 12-17 degrees, preferably 15 degrees. Second internal holes in head part are oriented with respect to each other at smaller angle than external holes in head part, preferably constituting 10 degrees. First and second holes are located with respect to external side of head part at angle to perpendicular to longitudinal plate axis, and preferably there is an additional hole, made on longitudinal central axis on set distance from plate proximal end, angle of inclination of which with respect to perpendicular to plate longitudinal axis is larger than angles of inclination of first and second holes.

Device for sternum fixation after sternotomy

Device for sternum fixation after sternotomy

Device contains first and second plates. Second plate is made with one end bent in form of hook for introduction into gaps between ribs, and other - bent to opposite side with transverse cut. First plate is made on lateral sides with slanting teeth, one end bent in form of hook for introduction into gaps between ribs and with longitudinal slot between toothed sides. Both toothed sides of plate have possibility of joining to each other into transversal slot. Said teeth have possibility of disjoining from longitudinal slot. Distance between teeth hollows on opposite side of first plate is equal width of transverse slot, made on second plate.

Shape-changing mesh implant for fixation and immobilisation of bone fragments and covering bone defects or spaces on one or several patient's spots

Shape-changing mesh implant for fixation and immobilisation of bone fragments and covering bone defects or spaces on one or several patient's spots

Shape-changing mesh implant for fixation and immobilisation of bone fragments and covering of bone defects or spaces on one or more patient's spots includes mesh from biocompatible metal material, which has multiple leaf sections, forming mesh structure resulting from connection to each other with formation of area, which has internal region and external region. Each leaf section contains internal lamellate part with through hole with possibility to install into it bone screw and four arc-shaped plates, integrally formed with internal lamellate part. In each leaf section with four arc-shaped plates, three arc-shaped plates are brought together, forming group of brought together arc-shaped plates, fourth arc-shaped plate is located remotely from extreme arc-shaped plates of the group, being separate arc-shaped plate. Leaf sections are made of two types, leaf section of one type is characterised by the fact that its arc-shaped plates are bent in such way that bend is directed with prominence clockwise, leaf section of other types are characterised by the fact that its arc-shaped plates are bent in such way that bend is directed with prominence counterclockwise. Leaf sections of both types are connected to each other alternating in turn with formation of longitudinal chains in such way that in each chain separate arc-shaped plate of leaf section of one type entirely smoothly passes into central arc-shaped plate of group of brought together arc-shaped plates of leaf section of other type with formation of common prominence, separate arc-shaped plate of which, in its turn, entirely smoothly passes into central arc-shaped plate of group of brought together arc-shaped plates of leaf section of the other type with formation of common prominence. In internal region of mesh each longitudinal chain of leaf sections is connected with one adjacent longitudinal chain in such way that one of its extreme arc-shaped plates of group of brought together arc-shaped plates of each leaf section of one type entirely smoothly passes with formation of common prominence into extreme arc-shaped plate of group of brought together arc-shaped plates of leaf section of the other type, belonging to said adjacent longitudinal chain, and with other adjacent longitudinal chain in such way that, other of its extreme arc-shaped plates of group of brought together arc-shaped plates of each leaf section of one type entirely smoothly passes with formation of common prominence into extreme arc-shaped plate of group of brought together arc-shaped plates of leaf section of the other type, belonging to other adjacent longitudinal chain.

Device for osteosynthesis in case of fractures of pelvic bones

Device for osteosynthesis in case of fractures of pelvic bones

Device for osteosynthesis in case of fractures of pelvic bones contains fixing means, detachable guide and handle for introduction of fixing means into the bone. As fixing means serves a sprig made in form of flat titanium plate of rectangular section, which includes located on different sides of plate section with symmetric sharpening and shank end, and located between them section with blocking holes for blocking of proximal and distal fragments. Angle of symmetric plate sharpening equals 35-45°. Shank end is formed by made in plate symmetric lateral cuts, and has length constituting 0.1 of plate length. Axes of flocking holes are located symmetrically along longitudinal axis, perpendicular to plate plane. Detachable handle is made in form of rectangle with dead and through slots. Dead slot is made in butt end of handle beam, along its longitudinal axis and has depth equal to the depth of shank end, and non-circular section, corresponding to shank end section. Shank end is installed in dead slot for percussion action on sprig via beam while introducing sprig into fragments. Through slot is located perpendicular to longitudinal beam axis, at the distance from its butt end with dead slot, which constitutes 3/5-3/4 of beam length. Guide is made with support end and, perpendicular to it, bent end, in which through holes for trocars are made. Support end is installed in through slot of handle beam, has non-circular transverse section, corresponding to transverse section of through slot, and is fastened to beam by means of fastening screw. Bent end of guide is located parallel to sprig plate with coaxial location of holes for trocars in guide and corresponding blocking holes in sprig. Sprig plate thickness constitutes 0.3-0.5 of its width. Plate length is 10-11 times larger than its width. Beam length is 2-3 times larger than plate length. Length of bent guide end equals axial length of plate section, made with blocking holes, increased on value equal 3/5-3/4 of axial beam length. Diametre of holes in plate for blocking screws constitutes 0.5-0.7 of plate width.

Breast bone fixation apparatus used after sternotomy or breast bone fracture

Breast bone fixation apparatus used after sternotomy or breast bone fracture

Group of inventions concerns medicine. An apparatus contains at least one elongated part (1; 10) used as a module of fixation group of parts (1; 10) and designed to be mounted on a surface part of anterior longitudinal lateral edge of breast bone and provided with the first and second adapters (6; 7). The first adapter (6) of the elongated part (1; 10) is attachable to the second adapter (7) of the previous elongated part of the fixation group of such parts towards longitudinal lateral edge of breast bone. The second adapter (7) of the elongated part is attachable to the first adapter (6) of the following elongated part of group of such parts towards the same longitudinal lateral edge of breast bone. The elongated part (1; 10) additionally has an extension (4) to be placed in intercostal space adjoining longitudinal lateral edge of breast bone. The method for breast bone fixation after sternotomy or breast bone fracture provides the following stages: fixation group consisting of set of the elongated parts (1; 10) is applied with each part (1; 10) placed on the surface part of anterior longitudinal lateral edge of breast bone and supplied with the first and second adapters (6; 7). The first adapter (6) of the elongated part (1; 10) is attached to the second adapter (7) of the previous elongated part of fixation group of such parts towards longitudinal lateral edge of breast bone. The second adapter (7) of the elongated parts is attached to the first adapter (6) of the following elongated part of group of such parts towards the same longitudinal lateral edge of breast bone. The elongated part (1; 10) additionally comprises the extension (4) in intercostal space adjoining longitudinal lateral edge of breast bone.

Contracting strip for controled bone osteosynthesis

Contracting strip for controled bone osteosynthesis

Invention relates to veterinary surgery and human surgery. Contracting strip for controlled bone osteosynthesis has screw with tenon for fixation in bone and through longitudinal canal, equipped with choke from head side. From tenon side canal is made with two diametrical through openings. Strip is made with diametrical half-oval lugs from one side, located in middle part of contracting strip at distance 5.0 mm from each other. Half-oval lug, located in the centre of contracting strip is equipped with tenon. Ends of strip are made with through openings with thread for screw and are compatible. Screw projects above skin surface on 3-4 mm.

Osteosynthesis of proximal department of humeral bone

Osteosynthesis of proximal department of humeral bone

For realisation of the method use an internal fixative in the form of an osteal graft, an external plate, spokes and screws. In the beginning take out splinters forming defect of an osteal tissue. Enter a graft through defect, having its proximal part through a fracture zone in a head, and a distal part - in the intact part of diaphysis of a humeral bone. The splinters, allocated before, establish on the places, imposing them on a surface of an osteal graft, and combining with each other. Fix splinters to an osteal graft spokes and screws. On an external surface of a humeral bone establish an external plate with coverage of a head, neck and a proximal part of diaphysis of a humeral bone and fix it with screws.

Implant of biomedical application and method of regenerative process stimulation within bone injury area

Implant of biomedical application and method of regenerative process stimulation within bone injury area

Implant contains angular stabile plate, controllable DC voltage source, microcontacts, internal and external endoelements in the form of mesh cylinders made of shape memory titanium nickelide with bioactive surface coating. Diameter of mesh cylinder of internal endoelement in operation corresponds to internal diameter of medullary cavity of injured bone. Inoperative mesh cylinder of external endoelement is opened, and in operation has diameter equal to external diameter of injured bone. Controlled DC voltage source is established on angular stabile plate, and microcontacts are mounted on stated endoelements. Specified microcontacts have possibility of alternate connection in vivo to positive and negative poles of aforementioned controlled DC voltage source. Method includes passage of current through regenerating bone tissue. Two electrodes representing above-stated internal and external endoelements are implanted in injury area. Internal endoelement is established in internal cavity of medullary cavity of tubular bone in injury area, it collects fragments of injured bone. External surface of tubular bone in injury area contains implanted external endoelement and established angular stabile plate with controlled DC voltage source with adjustable potential difference in output poles. After operation in injury area is complete in vivo, electrostatic field of time-regulated intensity is generated by alternate connection of endoelements through established microcontacts to positive and negative poles of DC source.

Device for tibia condyle osteosynthesis

Device for tibia condyle osteosynthesis

Device includes T-shape plate with holes for cortical and compression screws in the transverse and longitudinal T-sections. One of the holes for compression screw is oblong, holes for compression screws in the transverse section have larger diametre. One end of the transverse section of T-shaped plate is longer and is bent arc-wise. Radius of arc-wise bent curvature corresponds to the contour of rear part of tibia condyle. Internal surface of longer end of the transverse section features resetting fixation tenons.

Method of elimination of congenital or acquired deformation and/or hypoplasia of zygomatic bone and related device for zygomatic region relief and volume restoration

Method of elimination of congenital or acquired deformation and/or hypoplasia of zygomatic bone and related device for zygomatic region relief and volume restoration

Invention refers to medicine, specifically to maxillofacial surgery and can be used for treatment of patients suffering from deformations and-or hypoplasia of zygomatic bone. Mucous membrane and periosteum are dissected by crossover fold of upper jaw on injured side. Zygomatic bone osteotomy is carried out by anrerior wall of maxillary sinus, low orbit edge, orbit bottom closer to its bottom edge in direction zygomaticofrontal process, then it is crossed. Further osteotomy line is continued downwards by external wall of maxillary sinus with zygomaticoalveolar crest bended around from below to meeting with osteotomy starting point. Within osteotomy separate bone bridges between upper jaw and zygomatic bone are left. Used device is applied for zygomatic region relief and volume restoration. Device contains case intercrossed bars, one of which is equipped sliding block longitudinally movable. On the end of sliding block there is additional bar mounted perpendicularly to both bars. Both bars are equipped by stem legs with punched plates. Anterior surface of zygomatic bone is covered with stem punched plate fixed to zygomatic bone, and other stem plate is fixed to alveolar process of upper jaw with traction vector selected. Bone bridges are dissected, malar arch is crossed, zygomatic bone is pressed by osteotomy line during 8-10 days. Further distraction and retention of fragments follow. Method and related device make integrated inventive plan and enables to increase volume of injured area, to move zygomatic bone in three planes restoring facial symmetry.

Plate for ostheosynthesis

Plate for ostheosynthesis

plate is made in form of arc with openings intended for attaching plate to bone by means of screws. Openings, being free from screws, intend for placement of in vivo structures resolving in physiologic medium or/and organic and/or non-organic layers containing medicinal preparations. To create area of penetration of medicinal aids, arc-shaped plate is made with radius, which differs from radius of bone fractures. Plate has side protrusions and extensions disposed close to openings at side of bone fractures. Medicinal preparations influence area of break gradually and axial deformations of plate simultaneously increase in time.

Fork-like plate for carrying out tibial condyle fracture osteosynthesis

Fork-like plate for carrying out tibial condyle fracture osteosynthesis

Device has diaphyseal part, having holes, and fixing unit shaped as fork having suprabone teeth parts that embraces metaphysis in diverging like fan. Immersible teeth portions are coplanar, parallel to each other and having circular cross-sections. The fixing unit has two elongated slits having spherical surfaces for placing screws at an angle. Planes passing over slits symmetry axes are arranged in perpendicular to the plane of longitudinal axis of diaphyseal plate part and parallel to the teeth arrangement plane. Slit located close to the teeth has greater length than one being distant from the teeth. The fixing unit has longitudinal opening on its end to enable compression or distraction being done.

Device for osteosynthesis

Device for osteosynthesis

The present innovation deals with osseous osteosynthesis. It contains an osseous plate, hoops and a screw for fixing a hoop. The mentioned screw has got a caput with a groove for a screw driver and is located along the hoop's length. The hoop is designed to be metallic made out of a plate with transverse, inclined grooves and a hoop-fixed case for inserting the hoop's free end at fixing with the help of the mentioned screw; the pace of the thread of the latter is equal to the width of the mentioned groove. Osseous plate is designed to have grooves for applying the hoops. The innovation prevents the repeated operation due to destructing the fixation of osseous fragments due to the chance of the hoops' regulation according to osseous volume and due to excluding the disjuncture of the hoops' fixed ends.

Method and device for combined ostheosynthesis

Method and device for combined ostheosynthesis

Method and device can be used for curing fractures in long tubular bones of lower extremities. Method is based upon reposition of fractures of damaged extremity corresponding to Method of "submerged" ostheosynthesis. Fragments of damaged extremity are fixed by means of described device for combined ostheosynthesis; axial load is prescribed for patient two days after operation. External fixation of damaged segment of extremity is performed by means of two rings and three needles attached to any ring. One needle is introduced along crossing line of frontal plane and horizontal plane of ring. Two other needles are introduced at same frontal plane at angle being equal to +5° and -5° with horizontal plane of ring. Device for combined ostheosynthesis has on-bone fixer and external fixation apparatus. External fixation apparatus is made of two rings and three needles attached to any ring. One needle is disposed in openings of any ring on line of crossing of frontal plane and horizontal plane of ring. Two other needle s are mounted onto vertical arm-pieces, fixed in any ring, for disposition of needles in the same frontal plane at angle, which equals to+5° and -5° correspondingly to horizontal plane of ring.

Fixing device for fixing vertebral segments

Fixing device for fixing vertebral segments

Device 1 fixes two bone parts 18,19 relative to each other. The device has two fixing plates 2, 3, each having holes 9 for receiving fastening means like screws 12 for attaching fixing plate to corresponding bone part. The device also has connection means for fastening the fixing members to each other. The connection means has the first connection piece connected to the first fixing plate. The second connection means is connected to the second fixing plate. The first and the second connection pieces are slidingly movable and fixable to each other. The first connection piece has two flanges 6 separated from each other with interval to enable the second connection piece manufactured as tenon 5 to find place between them. The second connection piece is separable to be gripped by said flanges. Kit for fixing two bone parts has device 1 and screws 12 for fastening it. The screws have head which diameter is smaller than the second diameter of said opening for receiving them.

Bone ostheosynthesis device

Bone ostheosynthesis device

Bone ostheosynthesis can be used for treating fractures of long tubular bones. Device has screws and plate provided with openings for screws. Ends of openings for screws, adjoining bone, are made with curvatures of radius R=0,05-0,25 diameter of screw.

Device for carrying out pubic symphysis osteosynthesis

Device for carrying out pubic symphysis osteosynthesis

Device has flat plate, having fastening flat ledges symmetrically and perpendicularly with respect to plate plane and having apertures for receiving the blocking screws which axes are set in perpendicular to ledge planes. Plate has bend which angle is not less than 140°. Plate becomes wider in places of transition to fastening ledges and it has holes for receiving blocking screws. The holes are round on edges and no more than four oval holes are available for compression between the latter. The oval holes are spaced in regular intervals. Axes of the round and oval apertures are arranged in perpendicular to axes of the holes available in ledges.

Plate for osteosynthesis of petrochanteric fracture of thighbone

Plate for osteosynthesis of petrochanteric fracture of thighbone

Plate has bone part, proximal and distal department and it is made to follow curves of front surface of thighbone. There is curve made at an angle between distal and proximal parts. There are re oval openings for screws are made in proximal department, which screws go through both cortical layers of femoral neck. Four round opening s are made in distal department for screws passing through two cortical layers. Plate can be used by elder patients and by patients suffering from osteoporosis.

Method for reconstructing orbital wall in case of fracture

Method for reconstructing orbital wall in case of fracture

One should fulfill two vertical mucosal incisions of transitional fold being below and laterally against infraorbital foramen. Then, according to these incisions, one should form foramens in anterior wall of maxillary antrum, dissect cicatricial adhesions of soft tissues in area of restored osseous fragments at isolating periorbital fiber till its free movement together with oculomotor muscle in orbital cavity. One should forma fatty interlayer between oculomotor muscle and osseous wall, moreover, a transplant should be fixed from one side towards anterior department of the lower orbital wall, and from another side - to osseous department of retrobulbar orbital part. Then it is necessary to suture osseous fragments of orbital wall with the transplant along the whole length. The innovation enables to form correct ratio between osseous fragments of periorbital fiber and oculomotor muscle, decrease traumatism of mucous-periosteal layer in area of vestibule of mouth, decrease disorders in circulation in area of operation and, also, reconstruct normal movement of patient's eyeball.

Device for osteosynthesis

Device for osteosynthesis

Device provides ability of moving along several axes and fixing bone screws at stable position at angle to bone plate; additional mechanical elements are not required. Device for osteosynthesis has through opening made for placement of bushing for bone screw, which bushing can be adjusted along several axes. Device also has bushing made for introduction into through opening. The bushing has central channel made for placement of bone screw. Channel has longitudinal axis. Peripheral external side of bushing is made making contact with internal surface of through opening. Bushing is made for radial compression and radial expansion. Cross-lateral section, which passes in perpendicular to central axis, has non-circular shape. Cross-section of bushing, which passes in perpendicular to longitudinal axis, has shape to correspond in essence to shape of cross-section of through opening to protect bushing, being introduced into through opening, from turn relatively longitudinal axis and to keep ability of angular orientation adjustment relatively through opening.

Another patent 2551051.

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