CN213310203U

CN213310203U - Double-end ke shi needle bone crack adjusting device before fracture reduction art

Info

Publication number: CN213310203U
Application number: CN202020961967.7U
Authority: CN
Inventors: 王长军
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-06-01
Anticipated expiration: 2030-06-01

Abstract

A double-head Kirschner wire bone gap adjusting device before fracture reduction comprises a Kirschner wire A and a Kirschner wire B, wherein the Kirschner wire A and the Kirschner wire B are connected through a distance adjusting device; the spiral spring is characterized in that a screw A is arranged at the bottom of the Kirschner wire A, a screw B is arranged at the bottom of the Kirschner wire B, the screw thread setting directions of the screw A and the screw B are opposite, and an adjusting threaded sleeve is arranged between the screw A and the screw B in a threaded manner. The utility model discloses simple structure, convenient to use, low in cost and easy to maintain have solved among the prior art behind the bone traction support arrangement user can't incline the body through simple structure, remove, lead to the life to work and rest and receive the condition of very big puzzlement, have avoided touching by mistake and have leaded to the safety problem, and need not from the resistance fit, are applicable to different crowds. The bone gap can be flexibly adjusted through the screw pitch, the use is safe, the patient can still perform simple turning-over, lying and rising actions after using the device, and the work and rest pressure of the patient is greatly reduced.

Description

Double-end ke shi needle bone crack adjusting device before fracture reduction art

Technical Field

The utility model relates to a bone fracture surgery field especially relates to a double-end ke shi needle bone crack adjusting device before fracture reduction art.

Background

Most of fractures and bone fractures need to be reduced by operation and bone residues are removed. Before the operation, a plurality of preparation works are generally needed, such as the detumescence of the wound position before the operation, the perforation of bones is carried out by utilizing the Kirschner wire, and the bone traction is carried out by hanging a pendant device to complete the bone separation work of the wound position. However, most of the current bone traction supports are in one-way traction, namely, a kirschner wire is used for puncturing and traction on the terminal bone. And the traction mode is suspension type pendant traction. The patient with the leg injury in the form can not move, and the patient can have great trouble in the life and rest in the preoperative preparation process. Moreover, the suspension type traction needs more equipment, generally needs the matching of a bracket, a guide wheel, a pendant and the like, is easy to be touched by mistake in the using process, leads to the conditions of rope releasing and the like, and has low safety factor. And the suspension type traction needs the self-resistance matching of patients, and is extremely difficult to achieve for patients with special conditions, such as the old.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art weak point, provide a simple structure, convenient to use, reliable and stable double-end ke shi needle bone crack adjusting device before fracture reduction art.

The device comprises a Kirschner wire A and a Kirschner wire B. The Kirschner wire A and the Kirschner wire B are connected through a distance adjusting device. The Kirschner wire referred to herein may be in the form of a Kirschner wire of the prior art, and the detailed structure thereof will not be described herein.

The specific arrangement form of the distance adjusting device is as follows: a screw A is arranged at the bottom of the Kirschner wire A, and the arrangement direction of the screw A is vertical to the Kirschner wire A; a screw B is arranged at the bottom of the Kirschner wire B, and the arrangement direction of the screw B is vertical to the Kirschner wire B;

the screw threads of the screw A and the screw threads of the screw B are arranged in opposite directions, namely one screw thread is a left-hand screw thread, and the other screw thread is a right-hand screw thread. An adjusting threaded sleeve is arranged between the screw A and the screw B in a threaded manner, and the thread arrangement form of the inner wall of the adjusting threaded sleeve corresponds to the two screws.

Further, the connection form of the screw a and the screw B with the kirschner wire a and the kirschner wire B can adopt the following form: the tail ends of the screw A and the screw B are respectively provided with a bearing, and the screw A and the screw B are fixedly connected to the outer annular wall of the bearing; the inner ring of the bearing is fixedly connected with an assembling bolt, and the tail ends of the Kirschner wire A and the Kirschner wire B are provided with screw holes corresponding to the assembling bolt. The screw A and the screw B are respectively connected to the tail ends of the Kirschner wire A and the Kirschner wire B in a rotating mode through fastening bolts.

Furthermore, a fastening device is respectively sleeved on the Kirschner wire A and the Kirschner wire B, the fastening device is in a sleeve form, and the fastening device is fixed on the needle bodies of the Kirschner wire A and the Kirschner wire B through hard limiting bolts. And the hard limiting bolt is provided with a threading hole.

Furthermore, a coiling device is fixedly arranged on the outer wall of the bearing and is in a convex form with a limiting function and used for subsequent coiling and fixing.

Further, the adjusting screw sleeve is in an external hexagonal shape.

When the utility model is used, the Kirschner wire A and the Kirschner wire B respectively pass through the two ends of the broken bone, and then the screw A and the screw B are arranged at the tail ends of the Kirschner wire A and the Kirschner wire B; the distance between the Kirschner wire A and the Kirschner wire B is adjusted by rotating the adjusting screw sleeve. And respectively sleeving the fastening devices on the Kirschner wire A and the Kirschner wire B, fixing, and cutting off redundant needle heads. The threading hole is matched with the coiling device to carry out 8-shaped coiling, so that the equipment and the position of the broken bone are relatively fixed.

The utility model has the advantages that: the utility model discloses simple structure, convenient to use, low in cost and easy to maintain have solved among the prior art behind the bone traction support arrangement user can't incline the body through simple structure, remove, lead to the life to work and rest and receive the condition of very big puzzlement, have avoided touching by mistake and have leaded to the safety problem, and need not from the resistance fit, are applicable to different crowds. The bone gap can be flexibly adjusted through the screw pitch, the use is safe, the patient can still perform simple turning-over, lying and rising actions after using the device, and the work and rest pressure of the patient is greatly reduced.

Drawings

Fig. 1 is a schematic structural view of a double-ended kirschner wire gap adjusting device before a fracture reduction operation according to the present invention;

reference numerals:

1-hard limiting bolt 2-threading hole 3-fastening device 4-Kirschner wire A5-screw A6-assembling bolt 7-bearing 8-coiling device 9-screw B10-adjusting threaded sleeve 11-Kirschner wire B

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

Referring to fig. 1, the utility model discloses a double-end ke shi needle bone gap adjusting device before fracture reduction art, including ke shi needle A4 and ke shi needle B11. The Kirschner wire A4 is connected with the Kirschner wire B11 through a distance adjusting device. The Kirschner wire referred to herein may be in the form of a Kirschner wire of the prior art, and the detailed structure thereof will not be described herein.

The specific arrangement form of the distance adjusting device is as follows: the bottom of the Kirschner wire A4 is provided with a screw A5, and the arrangement direction of the screw A5 is vertical to the Kirschner wire A4; a screw B9 is arranged at the bottom of the Kirschner wire B11, and the arrangement direction of the screw B9 is vertical to the Kirschner wire B11;

the screw A5 and the screw B9 are arranged in opposite directions, namely, one is a left-hand screw thread and the other is a right-hand screw thread. An adjusting threaded sleeve 10 is arranged between the screw A5 and the screw B9 in a threaded manner, and the thread arrangement form of the inner wall of the adjusting threaded sleeve 10 corresponds to the two screws.

Further, the connection form of the screws a5 and B9 and the kirschner wires a4 and B11 can adopt the following forms: the tail ends of the screw A5 and the screw B9 are respectively provided with a bearing 7, and the screw A5 and the screw B9 are fixedly connected to the outer annular wall of the bearing 7; the inner ring of the bearing 7 is fixedly connected with an assembling bolt 6, and the tail ends of the Kirschner wire A4 and the Kirschner wire B11 are provided with screw holes corresponding to the assembling bolt 6. Screw A5 and screw B9 are rotatably connected to the ends of K-wire A4 and K-wire B11, respectively, by fastening bolts.

Further, a fastening device 3 is respectively sleeved on the kirschner wire A4 and the kirschner wire B11, the fastening device 3 is in a sleeve form, and the fastening device 3 is fixed on the needle bodies of the kirschner wire A4 and the kirschner wire B11 through a hard limiting bolt 1. The hard limiting bolt 1 is provided with a threading hole 2.

Further, a coiling device 8 is fixedly arranged on the outer wall of the bearing 7, and the coiling device 8 is in a convex form with a limiting function and is used for subsequent coiling and fixing.

Further, the adjusting screw sleeve 10 is in the form of an external hexagonal edge.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a double-end ke shi needle bone crack adjusting device before fracture reduction art, includes ke shi needle A and ke shi needle B, its characterized in that: the Kirschner wire A is connected with the Kirschner wire B through a distance adjusting device;

the screw thread setting direction of the screw A is opposite to that of the screw B, an adjusting threaded sleeve is arranged between the screw A and the screw B in a threaded mode, and the thread setting form of the inner wall of the adjusting threaded sleeve corresponds to the two screws.

2. The preoperative double-head kirschner wire gap adjusting device for bone fracture reduction according to claim 1, wherein the connection form of the screw A and the screw B and the kirschner wires A and B can adopt the following forms: the tail ends of the screw A and the screw B are respectively provided with a bearing, and the screw A and the screw B are fixedly connected to the outer annular wall of the bearing; the inner ring of the bearing is fixedly connected with an assembling bolt, and the tail ends of the Kirschner wire A and the Kirschner wire B are provided with screw holes corresponding to the assembling bolt; the screw A and the screw B are respectively connected to the tail ends of the Kirschner wire A and the Kirschner wire B in a rotating mode through fastening bolts.

3. The preoperative double-head kirschner wire bone gap adjusting device for bone fracture reduction according to claim 1, wherein fastening devices are respectively sleeved on the kirschner wire A and the kirschner wire B, the fastening devices are in the form of sleeves, and the fastening devices are fixed on needle bodies of the kirschner wire A and the kirschner wire B through hard limiting bolts; and the hard limiting bolt is provided with a threading hole.

4. The preoperative double-head kirschner wire gap adjusting device for bone fracture reduction according to claim 2, wherein a coiling device is fixedly arranged on the outer wall of the bearing, and the coiling device is in a convex form with a limit.

5. The preoperative double-headed kirschner wire gap adjustment device for bone fracture reduction according to claim 1, wherein the adjustment screw sleeve is in the form of an external hexagon.