CN215349381U - Self-locking fixing assembly capable of being unlocked between bones - Google Patents
Self-locking fixing assembly capable of being unlocked between bones Download PDFInfo
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- CN215349381U CN215349381U CN202121852797.XU CN202121852797U CN215349381U CN 215349381 U CN215349381 U CN 215349381U CN 202121852797 U CN202121852797 U CN 202121852797U CN 215349381 U CN215349381 U CN 215349381U
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Abstract
The utility model discloses an unlocked self-locking fixing assembly between bones, which comprises: fixed plate and cable, the interval is provided with the barb on the cable, the interval is provided with first through-hole and the second through-hole that runs through the fixed plate along the thickness direction on the fixed plate, the cable front end is from first through-hole downwardly extending to fixed plate below back kickup again and upwards wear out from the second through-hole, be provided with the spacing annular that corresponds with the barb in first through-hole and the second through-hole respectively, the fixed plate includes first bar shaped plate and second strip shaped plate, first bar shaped plate and second strip shaped plate are side by side near arranging, first through-hole and second through-hole distribute in the seam crossing of first bar shaped plate and second strip shaped plate. Through the mode, the unlockable self-locking fixing assembly between bones can realize convenient internal fixation, self-locking and unlocking between bones, and the convenience of an operation is improved.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to an unlocked self-locking fixing assembly between bones.
Background
In the reduction internal fixation operation process of fracture or joint dislocation, steel plates, steel nails or cables and the like are mostly needed for fixing bones so as to realize reduction of fracture or joint dislocation and obtain stability for one time, thereby achieving the purpose of treatment.
When the acromioclavicular joint is dislocated or the distal clavicle is fractured, the coracoid process and the clavicle can be bound and fixed by using a steel plate-cable system; the tibiofibular bone may be tied and secured using a steel plate-cable system as the tibiofibular union separates.
In addition, in order to avoid the loosening of the cable, a cable with barbs can be adopted, for example, in the utility model patent with application number 200820103124.2, a medical suturing device is disclosed, the barbs on the suture are matched with the lock catches to carry out the occlusion and fixation of the suture, the operation is simple and convenient, but the rapid unlocking and disassembly cannot be carried out, and in the operation process, if the suturing fails, the cable needs to be replaced or the suturing position needs to be changed, the structure which cannot be unlocked influences the smooth operation of the operation; in addition, the locking fastener has weak fixing force, is generally used for suture fixation of soft tissues, cannot realize fixation between bones, and needs improvement.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problem of providing an unlocked self-locking fixing assembly between bones, so that the binding fixation and the quick unlocking of fracture or joint dislocation are realized, and the convenience of operation is improved.
In order to solve the technical problems, the utility model adopts a technical scheme that: an unlockable, self-locking interskeletal fixation assembly is provided comprising: fixed plate and cable, the interval is provided with the barb on the cable, the interval is provided with first through-hole and the second through-hole that runs through the fixed plate along the thickness direction on the fixed plate, the cable front end is from first through-hole downwardly extending to fixed plate below back kickup again and upwards wear out from the second through-hole, be provided with the spacing annular that corresponds with the barb in first through-hole and the second through-hole respectively, the fixed plate includes first bar shaped plate and second strip shaped plate, first bar shaped plate and second strip shaped plate are side by side near arranging, first through-hole and second through-hole distribute in the seam crossing of first bar shaped plate and second strip shaped plate.
In a preferred embodiment of the utility model, the cable and the barb are of an integrated nylon structure or a metal structure.
In a preferred embodiment of the present invention, the inner side surfaces of the first strip-shaped plate and the second strip-shaped plate contacting each other are respectively provided with a semi-circular groove corresponding to the first through hole and the second through hole in a concave manner, and the semi-circular grooves are provided with spacing semi-circular grooves corresponding to the spacing circular grooves at intervals from top to bottom.
In a preferred embodiment of the present invention, the first strip plate and the second strip plate are connected by screws.
In a preferred embodiment of the present invention, the first bar-shaped plate has a screw hole corresponding to the screw, and the second bar-shaped plate has a stepped hole corresponding to the screw hole, wherein the screw is disposed in the stepped hole and connected to the screw hole.
In a preferred embodiment of the present invention, the first strip-shaped plate and the second strip-shaped plate are stainless steel strip-shaped plates, respectively.
In a preferred embodiment of the present invention, the first strip-shaped plate and the second strip-shaped plate are respectively provided with mounting holes.
In a preferred embodiment of the present invention, the cable tail end is provided with a stopper.
The utility model has the beneficial effects that: according to the self-locking fixing assembly capable of being unlocked among bones, the barbs on the cables are matched with the limiting ring grooves, so that the bones can be conveniently and internally fixed and self-locked, the first strip-shaped plate and the second strip-shaped plate can be quickly unlocked after being separated, the cables can be conveniently replaced, the binding positions can be changed, or the cables can be conveniently removed, and the convenience of the operation is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural view of a preferred embodiment of an unlockable self-locking interbody fixation assembly of the present invention;
fig. 2 is a top view of the fixation plate of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 2, an embodiment of the present invention includes:
an unlockable self-locking interskeletal fixation assembly as shown in fig. 1 comprising: fixed plate 1 and cable 2, the interval is provided with barb 21 on the cable 2, and the most advanced slant of barb 21 outwards points to the axis rear of cable 2. In this embodiment, the cable 2 and the barb 21 are of an integrated nylon structure or a metal structure, so that the structure is firm, particularly, the nylon structure is convenient to produce.
As shown in fig. 2, a first through hole 14 and a second through hole 16 penetrating through the fixing plate 1 along the thickness direction are arranged on the fixing plate 1 at intervals, the fixing plate 1 is arranged on the clavicle 4, in this embodiment, one end of the cable 2 is bent upwards after extending downwards from the first through hole 14 to the lower part of the fixing plate 1 and penetrates upwards from the second through hole 16, the coracoid process 5 and the clavicle 4 are bound and fixed, a limiting block 22 is arranged at the tail end of the cable 2, the diameter of the limiting block 22 is larger than that of the first through hole 14, and the tail end of the cable 2 is limited on the fixing plate 1.
As shown in fig. 1, a plurality of limiting ring grooves 18 corresponding to the barbs 21 are respectively arranged in the first through hole 14 and the second through hole 16, and the anti-falling self-locking of the cable 2 is realized through the matching of the limiting ring grooves 18 and the barbs 21. In addition, because the first through hole 14 and the second through hole 16 contain a plurality of spacing annular grooves 18, carry out the auto-lock with a plurality of barb cooperations, share the atress, promoted the intensity of auto-lock greatly.
As shown in fig. 2, the fixing plate 1 includes a first strip-shaped plate 11 and a second strip-shaped plate 12, the first strip-shaped plate 11 and the second strip-shaped plate 12 are arranged side by side and closely, in this embodiment, the first strip-shaped plate 11 and the second strip-shaped plate 12 are stainless steel strip-shaped plates respectively, the bending strength is high, the first strip-shaped plate 11 and the second strip-shaped plate 12 are connected by a screw 3, the structure is firm, and the assembly and disassembly are convenient.
As shown in fig. 1 and 2, the first bar-shaped plate 11 has a threaded hole 13 corresponding to the screw 3 and is recessed in the inner side, the second bar-shaped plate 12 has a stepped hole 15 corresponding to the threaded hole 13 and is recessed in the outer side, the screw 3 is disposed in the stepped hole 15 and connected to the threaded hole 13, and the screw 3 is concealed. In this embodiment, the first strip-shaped plate 11 and the second strip-shaped plate 12 are respectively provided with a mounting hole 17, which facilitates the connection and fixation with the clavicle 4 by screws.
As shown in fig. 2, the first through holes 14 and the second through holes 16 are distributed at the joint of the first strip-shaped plate 11 and the second strip-shaped plate 12, the inner side surfaces of the first strip-shaped plate 11, which are in contact with the second strip-shaped plate 12, are respectively provided with a semi-circular groove 161 corresponding to the first through holes 14 and the second through holes 16 in a concave manner, and the semi-circular grooves 161 at the two sides form the corresponding first through holes 14 and the second through holes 16. Spacing semicircular groove 181 that the interval was provided with and is corresponded with spacing annular groove 18 about in the semicircular groove 161, and the spacing semicircular groove 181 of both sides constitutes corresponding spacing annular groove 18, and loosening screw 3 can open spacing annular groove 18, carries out the quick unblock of barb 21.
In conclusion, the self-locking fixing assembly capable of being unlocked among bones provided by the utility model realizes the binding and fixing of the cable on the fracture or the joint dislocation through the matching of the limiting ring groove and the cable, is simple and convenient to operate, is quick to unlock, and is beneficial to the operation and the disassembly after the rehabilitation.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, or direct or indirect applications in other related fields, which are made by the contents of the present specification, are included in the scope of the present invention.
Claims (8)
1. An unlockable self-locking interskeleton fixation assembly, comprising: fixed plate and cable, the interval is provided with the barb on the cable, the interval is provided with first through-hole and the second through-hole that runs through the fixed plate along the thickness direction on the fixed plate, the cable front end is from first through-hole downwardly extending to fixed plate below back kickup again and upwards wear out from the second through-hole, be provided with the spacing annular that corresponds with the barb in first through-hole and the second through-hole respectively, the fixed plate includes first bar shaped plate and second strip shaped plate, first bar shaped plate and second strip shaped plate are side by side near arranging, first through-hole and second through-hole distribute in the seam crossing of first bar shaped plate and second strip shaped plate.
2. The unlockable intraosseous self-locking fixation assembly according to claim 1, wherein the cable and barbs are of an integral nylon or metal construction.
3. The self-locking assembly for bone locking and unlocking according to claim 1, wherein the inner side surfaces of the first strip-shaped plate and the second strip-shaped plate, which are in contact with each other, are respectively provided with semicircular grooves corresponding to the first through hole and the second through hole in a concave manner, and the semicircular grooves are internally provided with limit semicircular grooves corresponding to the limit annular grooves at intervals from top to bottom.
4. The unlockable self-locking interskeleton fixation assembly of claim 1, wherein the first and second strip plates are connected by screws.
5. The unlockable self-locking interskeleton fixation assembly according to claim 4, wherein the first bar-shaped plate has a threaded hole corresponding to the screw recessed in an inner side thereof, and the second bar-shaped plate has a stepped hole corresponding to the threaded hole recessed in an outer side thereof, and the screw is disposed in the stepped hole and connected to the threaded hole.
6. The unlockable self-locking interskeleton fixation assembly of claim 1, wherein the first and second strip plates are stainless steel strip plates, respectively.
7. The unlockable self-locking interskeleton fixation assembly of claim 1, wherein the first and second strip-shaped plates are each provided with a mounting hole.
8. The unlockable interskeletal self-locking fixation assembly of claim 1 wherein the cable tail end is provided with a stop block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121852797.XU CN215349381U (en) | 2021-08-10 | 2021-08-10 | Self-locking fixing assembly capable of being unlocked between bones |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121852797.XU CN215349381U (en) | 2021-08-10 | 2021-08-10 | Self-locking fixing assembly capable of being unlocked between bones |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215349381U true CN215349381U (en) | 2021-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121852797.XU Active CN215349381U (en) | 2021-08-10 | 2021-08-10 | Self-locking fixing assembly capable of being unlocked between bones |
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| Country | Link |
|---|---|
| CN (1) | CN215349381U (en) |
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2021
- 2021-08-10 CN CN202121852797.XU patent/CN215349381U/en active Active
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