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Method and device for surgical correction of transversally broad forefoot. RU patent 2513802.

Method and device for surgical correction of transversally broad forefoot. RU patent 2513802.
IPC classes for russian patent Method and device for surgical correction of transversally broad forefoot. RU patent 2513802. (RU 2513802):

A61B17/56 - Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
Another patents in same IPC classes:
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Minimally invasive transdeltoid approach, opening into a subacromial space and dissection of a rotatory cuff with a long two-centimetre incision from an edge of a greater tubercle to the centre of a humeral head; an EOP-assisted awl is introduced into the humeral head from the greater tubercle to the centre of the head downright and rotated downright to eliminate an incomplete dislocation; the greater tubercle is reduced; and the head is directed in the position optimal for introducing a nail wherein the head is fixed to an articular process of a shoulder blade using two pins introduced through a lesser tubercle from the front and through the greater tubercle at the backside of the canal from a rod canal formed in the geometrical centre of the humeral head. The head is matched with a distal fragment, and the rod is introduced into the canal, and the head, tubercles and diaphysis are fixed using altitude clamps. The temporary pins are removed thereafter.
Method of triple pelvic osteotomy / 2512946
Anterior approach to a wing of ilium is involved. A triangular bone graft with a base and sides not less than 1.5 cm on a muscular pedicle is cut out of a tailor's muscle. The graft with the muscular pedicle are displaced in the medial direction. An iliolumbar muscle is separated in the distal direction and dissected away within a tendon at a lesser trochanter. The muscle is displaced inward. The approach extends through a lateral portion of an external obturator muscle. An ischial bone is exposed at the wound depth and protected with elevators inward. The ischial bone is incised in the oblique direction anteroposteriorly with 2 parallel section from the medial side spaced 3-5 mm. A posterior portion of the ischial bone is cracked at the wound depth with using fulcrum motions of the flat chisel. A periosteom is incised above a pubic bone and transected with the flat chisel at the base under the protection of the elevators. The iliac bone is transected in a supra-acetabular portion of the pelvis either crosswise, or semicircularly using a Gigli saw or a flat chisel directly above an anterior inferior spine of an iliac bone. A mobilised acetabular fragment is rotated onto a femoral head until covered completely, a trochanteric portion of the femur is pressed to medialise a hip joint. The cut-out bone graft on the muscular pedicle is placed in an anteroexterior portion of the iliac bone in a cleft between the fragments. The pelvic fragments and graft are fixed with K wires downright from an anterior superior spine.
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Method for treating posterior-external rotation instability of knee joint Method for treating posterior-external rotation instability of knee joint / 2245683
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FIELD: medicine.

SUBSTANCE: what is involved is a Z-osteotomy of diaphysis of a first instep bone with a middle cut plane of the Z-osteotomy lying along the axis of the first instep bone or approximately parallel with it. Two additional osteotomies are performed by making two additional cuts: additional cut is inclined to the upper cut so that an additional cut line on an upper surface of the first instep bone is at an angle of 5 to 30° to an upper cut line on the upper surface of the first instep bone; an additional cut is inclined to the lower cut so that the cut line on the lower surface of the first instep bone is at an angle of 5 to 30° to a lower cut line on the lower surface of the first instep bone; the formed bone fragments are removed; a sole fragment is displaced laterally and/or rotated in a horizontal surface; a medial or lateral angle of the sole fragment is integrated into an intramedullary canal of the instep bone; the sole and back fragments of the instep bone are fixed to each other using cannulated compression screws; a pre-dissected tendon of a great toe adductor is re-fixed to a first instep bone head using an anchor fixator for fixing the tendon to the bone.

EFFECT: prevented postoperative dislocation.

3 cl, 5 dwg

 

The invention relates to medicine, namely to traumatology and orthopedics, and is designed to treat patients with cross flatness of the forefoot.

Transverse platypodia includes lateral subluxation main phalanx I finger, varus deviation I metatarsal bone and lateral offset sesamoid bones (Okuda R, Kinoshita M, 2000). Surgical correction of this pathology implies restoration of congruency I metatarsophalangeal joint by individually selected metatarsalgia osteotomy and release of soft tissues (Gallentine JW, Deorio JK, 2007).

Over the last century offered 130 surgical methods for the treatment of transverse platypodia (Kramarenko G.N., Istomin I.S., 1979, V.A. Levchenko, 1988, Minasov BS, 1999, Coughlin M.J., Saltzman C.L., 2002). Osteotomy of the distal I metatarsal bone is shown in light and medium transverse platypodia. In severe deformations are used more proximal osteotomy (Trnka HJ, Parks BG, 2000). Therefore, the value of the combined metafizare-diaphyseal osteotomy is very high. One of such methods is osteotomy SCARP - Z-shape cutting of the first metatarsal bone used to restore the increased mezhplanetnogo angle. This osteotomy is widely used in France and USA and is gaining popularity among surgeons around the world (Sammarco VJ, Acevedo J., 2001).

Its increasing prevalence is related to the ability to redistribute the load throughout the area osteotomy, high stability, dense compression in the fracture area that allows early load and extends the surgery on both feet (Jones S, Al Hussainy HA, 2004; Kristen KH, Berger C, 2002; Lorei TJ, Kinast C, 2006). However, the results, including a functional evaluation of the foot, the degree of correction mezhplanetnogo angle, podborovsky dynamics, and complications are significantly different in different sources (Aminian A, Kelikian A, 2006; Coetzee JC., 2003; Crevoisier X, Mouhsine E, 2001; Jones S, Al Hussainy HA, 2004; Berg RP, Olsthoorn PG, 2007).

Despite good functional outcomes - the function of the foot on the scale AOFAS is from 62 to 96 (Blair S Ong M, 2001, Crevoisier X, Mouhsine E, 2001, Gupta S, Fazal MA, 2008; Jones S, Al Hussainy HA, 2004, Okuda R, Ki-noshita M, Morikawa J, 2000), there are still complications of this surgical intervention, including the phenomenon of "gutter" the first metatarsal bone (from 1 to 35%) (Coetzee JC. 2003; Coetzee JC, Rippstein P.2007;) and postoperative contracture first metatarsophalangeal joint (11 - 41,7%) (Hammel E, Abi Chala ML, 2007, Jones S, Al Hussainy HA, 2004).

The phenomenon of "gutter" occurs when the cortical layer back metatarsal bone fragment falls in medullar channel plantar fragment and wedged into the soft spongy bone, leading to functional elevation of the first ray, and therefore, the pronation of the foot, with an overload of the lateral rays. According to Coetzee JC, Rippstein P., this phenomenon can occur as with rotation plantar fragment, and without it. Thus, traditional osteotomy SCARF is limited to the extent of correction mezhplanetnogo degree angle offset where there is a risk of the phenomenon of "gutter" the first metatarsal bone.

The classic technique osteotomy SCARF except bone stage implies and soft tissue, including the release sessovideo hammock and addictology (Barouk LS., 2000; S.S.Suresh, 2007). In some works (Shrum DG., 2002; Cardan axles A.A., 2008), the authors suggest not limited to addictologia, but to complement it by fixing the distal end of the tendon to the head I metatarsal. A number of authors (Havlicek V, Kovanda M, 2007) note that alongside with the increased potential correction this method has a number of complications in the form of insolvency tendons, as well as the development of the varus deformity, as technically difficult to regulate the tension puboischiofemoralis. There are works in which the authors do not find advantages in the plastic puboischiofemoralis (Martinez-Nova A, Sanchez-Rodriguez R, 2008). Thus, currently there is no single approach to operational reception on the tendon puboischiofemoralis of the first toe.

We propose a method of surgical correction of transverse flatness of the foot, including the severing tendons, muscles, leading the first toe, Z-shaped osteotomy of the diaphysis I metatarsal bone, and the plane of the average cut Z-shaped osteotomy is located on the axis I metatarsal bone or roughly parallel to it. Conduct two additional osteotomy by two additional cuts to run an additional cut at an angle to the upper cut so that the line additional cut on the top surface of I metatarsal bones were held at an angle from 5 to 30 degrees to the line of the upper slit on the top surface of I metatarsal bone, conduct additional cut at an angle to lower the cut so that the line is cut on the bottom surface I metatarsal bones were held at an angle of between 5 to 30 degrees to the line of the lower cut on the bottom surface I metatarsal bone, remove formed bone fragments, implement lateral offset plantar fragment and/or its rotation in horizontal plane, while implementing the medial or lateral angle plantar fragment in the medullar channel metatarsal bone, made a commit plantar and the back bone fragments of the first metatarsal bones to each other kanalirovaniya compression screws, trimmed earlier tendon, leading first finger, reinsert to the head I metatarsal using the anchor latch to secure the tendon to the bone.

Preferably, the line of the upper and lower cuts Z-shaped osteotomy on the surface I metatarsal bones are 10 mm from its ends.

The presence of diagonal cuts lets after the implementation of rotation to create a strong contact in their zone.

The introduction of plantar fragment in the medullar channel metatarsal increases stability, prevents rotation in the postoperative period, allows to shorten I metatarsal bone for reposition dislocation of limbs and decompression I metatarsophalangeal joint.

The combination of rotation with lateral offset and implementation of medial or lateral angle plantar fragment dramatically increases corrective potential of the method.

During the implementation of the fragment in the medullar channel there is a possibility of correction DMAA - angle distal joint surface to the axis of the first metatarsal bone.

Corrective potential method can especially be important for osteoporosis, high mezhplanetnogo angle.

For the implementation of the claimed process can be applied anchoring clamp for fixing the tendon to the bone (figure 1)consisting of a threaded rod (B), with one sharp end (a) and one nedostroy the end, wherein anchor release also includes the washer (B)fixed to the end nedostroennom threaded stud, washer has two tabs with the slots (G), which is perpendicular to the plane washer and located at the edges of the plane washer from opposite sides, the tabs with the slots are intended for fixing in the anchor lock threads or threads that stitched tendon, washer is fixed to nedostroennom the end of anchoring clamp screw, anchor latch made with the possibility beginning of svorachivaniya in bone threaded rod with the implementation commit tendons, and then the tension of the thread and tendons, fixed these threads, by loosening screws the lock washer, rotation washer, subsequent fixing washer screw and subsequent changes insertion depth anchor latch into the bone.

The closest to our release, in our opinion, is anchoring clamp for fixing the tendon to the bone FASTIN. This anchoring clamp consists of threaded rod, pointed at the end, it has built-in lock a thread, which is opened only after the clip is installed into the bone ("Breaks and breaks the pectoralis major muscle", [ONLINE], published on the Internet 22.07.2012, http://travmaorto.ru/266/html).

Use this latch in the following way.

For fixing the tendon to the bone in the beginning establish this latch, then stitch threads tendon. This method is inconvenient for the surgeon and not allows adjusting thread tension, and therefore not possible to provide the desired degree of muscle tension, fixation which is carried out.

In the clip, offered by us, have "ears" - the tabs with the slots for fixing ligatures conducted through the tendon that allows first flash tendon, and then commit it to the anchor by tightening this ligatures in the "ears". In addition, the "ears" - the tabs with the slots is attached to the lock due to rotating washers, which allows to change the depth of introduction anchors when already fixed the strained tendon, which allows you to adjust the degree of tension of muscles.

The offered invention provides a full restore of the transverse arch and to correct the balance of the leading and lateral muscles of the first finger (figure 2).

The original lock - anchor (figure 1) has Sumiregusa bone carving. The presence of holes for fixing ligatures conducted through the tendon leading muscles, you can flash the tendon, and then commit it to the anchor by tightening this ligatures, which allows to reach the necessary tension of muscles. These holes attached to an anchor at the expense of rotating washers that allows you to continue introduction anchors when already fixed the strained tendon leading muscles and to adjust the degree of tension of muscles.

Wound layers zalivayutsya. Is applied an aseptic bandage.

Before the consolidation of a fracture (4-6 weeks), the patient is moved with the help of Shoe Baruka, i.e. with no load on the forefoot.

Operated by the present method of 6 people. The follow-up period after surgery ranged from 6 to 12 months. All patients received a good result - score scale AOFAS more than 80, walking patients do not celebrate pain or lameness.

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24. Coughlin MJ, Mann RA: Hallux Valgus. Surgery of the Foot and Ankle St Louis: Mosby IncCoughlin MJ, Mann RA, Saltzman CL, 8 2007, 231-233.

1. Method of surgical correction of transverse flatness of the foot, including the severing tendons, muscles, leading I toe, Z-shaped osteotomy of the diaphysis I metatarsal bone, and the plane of the average cut Z-shaped osteotomy is located on axis I metatarsal bone or roughly parallel to it, wherein the conduct two additional osteotomy by two additional cuts: spend an additional cut at an angle to the upper cut so that the line additional cut on the top surface of I metatarsal bones were held at an angle of between 5 to 30 degrees to the line of the upper slit on the top surface of I metatarsal bone, conduct additional cut at an angle to the lower cut so that the line is cut on the bottom surface I metatarsal bones were held at an angle of between 5 to 30 degrees to the line of the lower cut on the bottom surface I metatarsal bone, remove formed bone fragments, implement lateral offset plantar fragment and/or its rotation in horizontal plane, while implementing the medial or lateral angle plantar fragment in the medullar channel metatarsal bone, made a commit bottom and the back bone fragments of the first metatarsal bones to each other kanalirovaniya compression screws, trimmed earlier tendon, leading first finger, reinsert to the head I metatarsal using the anchor latch to secure the tendon to the bone.

2. The method in claim 1, characterized in that line the upper and lower cuts Z-shaped osteotomy on the surface I metatarsal bones are 10 mm from its ends.

3. Anchoring clamp for fixing the tendon to the bone, consisting of a threaded rod with one pointed end and one nedostroy the end, wherein anchor release also includes washer, latched to nedostroennom the end of threaded stud, washer has the two tabs with the slots that are perpendicular to the plane of the plate and are located on the edges of the plane washer from opposite sides, the tabs with the slots are intended for fixing in the anchor lock threads or threads that stitched tendon, washer is fixed to nedostroennom the end anchor release the screw, anchor latch made with the possibility beginning of svorachivaniya in bone threaded rod with the implementation commit tendons, and then the tension of the thread and tendons, fixed these threads, by loosening the screw that secures the washer, rotation washer, subsequent fixing washer screw and subsequent changes insertion depth anchor latch into the bone.

 

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