SU1223901A1 - Apparatus for osteosynthesis - Google Patents

Description

The invention relates to medicine, namely to traumatology and orthopedics, and can be used in the treatment of fractures and fractures of the clavicle.

The purpose of the invention is the possibility of fixing bone fragments with comminuted fractures of the clavicle.

FIG. 1 schematically shows the proposed device for osteosynthesis, front view; in fig. 2 - the same, top view; in fig. 3 - installed osteosynthesis device.

The device for osteosynthesis comprises a plate 1 made of material with a memory effect, having openings 2 and legs 3, which are bent in opposite directions. The plate 1 is equipped on one side with ring-shaped grippers 4, and on the other hand, a flange 5, in the slot of which 6 an S-shaped rod 7 is installed. It has a pointed end 8.

Apply the device as follows.

20 scapula. For 10-40 s, the clavicle 9 is fixed in position with the hands or with the help of tools and the end of the rod 7 at the flange 5 of the plate. After 10-40 sec, in connection with contact heating of titanium nickelide to + 35 ° C, an effect appears, for example, with comminuted fracture-dislocation of the acromial end of the clavicle (Fig. 3), bony fragments of the clavicle 9 are exposed during the operation. shape repair effect, and rod 7, proximal and distal bone fracture-taking given (i.e. initial)

They are drilled through one hole in the hole, pushing the clavicle 9 to the cocks (not shown) at a distance of one from the other process 10, resulting in a provision equal to the length of the plate 1 chosen for osteosynthesis. The latter is irrigated with chloroethyl for 10-15 seconds it is up to -30 ° C) and with the help of, for example, the reliable retention of the clavicle in the reduced position in the acromia-key articulation is crushed 11. The wound is sutured in layers. Due to the high strength of osteosynthesis, in the postoperative period there is no need for external immobilization of the hand. From the second to the third day, active movements are allowed in the shoulder joint of the operated upper limb.

With a pair of forceps, the ring-shaped grippers 4 are partially straightened, and the legs 3 are straightened by placing them at a right angle to the plate 1, i.e. they give them a shape suitable for insertion into the bone. Then the plate 1 is transferred to the B operating wound, the annular claws 4 are placed under the collarbone and the legs 3 are inserted into the previously drilled holes in the clavicle bone fragments 9. After 10-40 seconds in connection with the memory effect of the form of titanium nickelide coming when it is heated to + 35 ° C, plate 1 tends to take a given (i.e., initial) shape. The legs 3 at the ends of the plate 1 consumption TC

in opposite directions, the obstacle is thus displaced bone fragments in length, and the clamps 4 and carry out wrapping the bone. If necessary, add the plate to the clavicle with screws, which are inserted through

openings 2. The S-shaped rod 7 of titanium nickelide is irrigated with chloroethyl and partially bends its bends. The pointed end 8 of the rod 7 through the slot 6 of the flange 5 is conducted under the coracoid process 10

shoulder blades. For 10-40 s, the clavicle 9 is fixed in position with the hands or with the help of tools and the end of the rod 7 at the flange 5 of the plate. In connection with contact heating of titanium nickelide up to + 35 ° C, the effect of mold repair appears in 10–40 s, and the rod 7 takes on a predetermined (i.e., initial)

Reliable retention of the clavicle in the reduced position in the acromiale-key joint 11. The wound is sutured in layers. Due to the high strength of osteosynthesis, in the postoperative period there is no need for external immobilization of the hand. From the second to the third day, active movements are allowed in the shoulder joint of the operated upper limb.

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FIG. 2

Editor S. Lisin Order 1854/3

Compiled by L. Musso

Tehred I. VeresKorrektor I. Erdeyi

Circulation 660 Subscription

VNIIPI Gosu, Aarist Committee of the USSR

for inventions and discoveries

113035, Moscow, Zh-35, Raushsk nab. 4/5

Branch PPP "Patent, Uzhgorod, st. Project, 4

Fig 3

Claims (1)

DEVICE FOR OSTEOSYNTHESIS, comprising a plate with holes made of a material with a memory effect, having legs at the ends bent in opposite directions, characterized in that, in order to fix bone fragments during comminuted fractures of the clavicle, the plate is equipped on one side with a flange mounted in S-shaped rod, and on the opposite side - grips. SU „„ 1223901>