Universal thread Kirschner wire

Abstract

The utility model discloses a universal threaded Kirschner wire, comprising a needle body, the needle body comprising a first needle body at the front, a connecting block in the middle and a second needle body at the rear, the front end of the first needle body comprising a drill bit and an external thread arranged in sequence, the middle part of the tail end is concavely provided with a first mounting groove, the connecting block is arranged in a columnar structure, the middle part of the front end of the second needle body is concavely provided with a second mounting groove, the connecting block is correspondingly arranged in the first mounting groove and the second mounting groove and is hinged with the first needle body and the second needle body respectively. The utility model has a simple, reasonable and reliable structure, can effectively realize the bending of the needle body within a certain angle range, facilitates the operation of the operation, improves the convenience of operation, reduces the touch on the injured, and improves the safety of the operation.

Description

Technical Field

[0001] The utility model relates to a universal threaded Kirschner wire. Background Art

[0002] Kirschner wires are a commonly used internal fixation material in orthopedics. They are used to fix fractures with little stress, such as short fractures or avulsion fractures. They are also used to fix temporary fracture fragments during orthopedic surgery.

[0003] The Kirschner wires currently used are usually of an integrated structure, which is often inconvenient when it comes to angle fixation, and can easily affect the injured part of the patient, while also affecting the normal progress of the operation. Utility Model Content

[0004] The main technical problem solved by the utility model is to provide a universal threaded Kirschner wire with a simple, reasonable and reliable structure, which can effectively realize the bending of the needle body within a certain angle range, facilitate surgical operations, improve operational convenience, reduce contact with the injured, and improve surgical safety.

[0005] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a universal threaded Kirschner wire, including a needle body, the needle body including a first needle body at the front, a connecting block in the middle and a second needle body at the rear, the front end of the first needle body includes a drill bit and an external thread arranged in sequence, the middle part of the tail end is concavely provided with a first mounting groove, the connecting block is arranged in a columnar structure, the middle part of the front end of the second needle body is concavely provided with a second mounting groove, the connecting block is correspondingly arranged in the first mounting groove and the second mounting groove and is respectively hinged to the first needle body and the second needle body.

[0006] In a preferred embodiment of the present invention, first mounting holes are formed through two opposite side walls of the first mounting groove.

[0007] In a preferred embodiment of the present invention, radially distributed first positioning holes and second positioning holes are provided on both axial sides of the connection block, and the first positioning holes and the second positioning holes are distributed in a cross shape.

[0008] In a preferred embodiment of the present invention, the first positioning hole and the first mounting hole are riveted together by a first rivet.

[0009] In a preferred embodiment of the present invention, second mounting holes are formed through two opposite side walls of the second mounting groove.

[0010] In a preferred embodiment of the present invention, the second positioning hole and the second mounting hole are riveted together by a second rivet.

[0011] In a preferred embodiment of the present invention, a positioning plane is concavely arranged at the rear end of the side of the second needle body.

[0012] The beneficial effects of the utility model are as follows: the universal threaded Kirschner wire pointed out by the utility model has a simple, reasonable and reliable structure, can effectively realize the bending of the needle body within a certain angle range, facilitates surgical operations, improves operational convenience, reduces contact with the injured, and improves surgical safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0014] Figure 1 It is a partial front cross-sectional view of a preferred embodiment of a universal threaded Kirschner wire of the utility model;

[0015] Figure 2 It is a cross-sectional view of a connecting block of a preferred embodiment of a universal threaded Kirschner wire of the utility model. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] See also Figure 1 Combination Figure 2 As shown, the embodiment of the utility model includes:

[0018] A universal threaded Kirschner wire comprises a needle body, wherein the needle body comprises a first needle body 1 at the front, a connecting block 2 in the middle and a second needle body 3 at the rear.

[0019] The front end of the first needle body 1 includes a drill bit 11 and an external thread 12 arranged in sequence, and a first mounting groove 13 is arranged in the middle of the tail end. The front end is convenient for drilling through the drill bit 11, and the external thread 12 can be convenient for threaded fixing. The first mounting groove 13 is used for positioning the front part of the connecting block 2, and first mounting holes 14 are arranged through the two opposite side walls of the first mounting groove 13 to facilitate installation and positioning.

[0020] The connecting block 2 is provided with a columnar structure as a middle connection. The connecting block 2 is provided with radially distributed first positioning holes 21 and second positioning holes 22 on both axial sides, and the first positioning holes 21 and second positioning holes 22 are distributed in a cross shape to realize cross-direction connection and installation.

[0021] A second mounting groove 31 is concavely arranged in the middle of the front end of the second needle body 3, and the second mounting groove 31 is used for positioning the rear part of the connecting block 2. Second mounting holes 32 are penetrated through the two opposite side walls of the second mounting groove 31 to facilitate installation and positioning.

[0022] The connecting block 2 is correspondingly arranged in the first mounting groove 13 and the second mounting groove 31 and is respectively hinged with the first needle body 1 and the second needle body 3, so that the first needle body 1 and the second needle body 3 can be bent through the connecting block 2. Specifically, the first positioning hole 21 and the first mounting hole 14 are riveted by a first rivet (not shown in the figure), and the second positioning hole 22 and the second mounting hole 32 are riveted by a second rivet (not shown in the figure), so as to ensure a stable connection and flexible bending without jamming. The tail end of the connecting block 2 is arranged in an arc structure to avoid jamming when the second needle body 3 is bent.

[0023] A positioning plane 33 is concavely arranged at the rear end of the side of the second needle body 3 to facilitate stable positioning of the rear end of the second needle body 3 and facilitate operation.

[0024] To sum up, the universal threaded Kirschner wire pointed out by the utility model has a simple, reasonable and reliable structure, can effectively realize the bending of the needle body within a certain angle range, facilitates surgical operations, improves operational convenience, reduces contact with the injured, and improves surgical safety.

[0025] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A universal threaded Kirschner wire, comprising a needle body, characterized in that: The needle body includes a first needle body at the front, a connecting block in the middle and a second needle body at the rear. The front end of the first needle body includes a drill bit and an external thread arranged in sequence, and a first mounting groove is concavely arranged in the middle of the tail end. The connecting block is arranged in a columnar structure, and a second mounting groove is concavely arranged in the middle of the front end of the second needle body. The connecting block is correspondingly arranged in the first mounting groove and the second mounting groove and is hinged to the first needle body and the second needle body respectively.

2. The universal threaded Kirschner wire according to claim 1, characterized in that: First mounting holes are formed through two opposite side walls of the first mounting groove.

3. The universal threaded Kirschner wire according to claim 2, characterized in that: The connecting block is provided with radially distributed first and second positioning holes on both axial sides, and the first and second positioning holes are distributed in a cross shape.

4. The universal threaded Kirschner wire according to claim 3, characterized in that: The first positioning hole and the first mounting hole are riveted together by a first rivet.

5. The universal threaded Kirschner wire according to claim 3, characterized in that: Second mounting holes are formed through two opposite side walls of the second mounting groove.

6. The universal threaded Kirschner wire according to claim 5, characterized in that: The second positioning hole and the second mounting hole are riveted together by a second rivet.

7. The universal threaded Kirschner wire according to claim 1, characterized in that: A positioning plane is concavely arranged at the rear end of the side of the second needle body.

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