CN214595979U

CN214595979U - Fixing guider for kirschner wire for fracture

Info

Publication number: CN214595979U
Application number: CN202023253902.6U
Authority: CN
Inventors: 李云鹏; 汤优
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-11-05
Anticipated expiration: 2030-12-29

Abstract

The utility model provides a guider is fixed to fracture kirschner wire relates to medical instrument technical field, when having solved the clinical fixed four limbs diaphysis of using fracture kirschner wire and metaphysis fracture that exists among the prior art, lacks guider, makes the technical problem of fracture kirschner wire off-set direction when fixed fracture gets into the sclerotin easily. The device comprises fixing devices, a guide rail and a guide structure, wherein the fixing devices are connected with the guide rail, the number of the fixing devices is two, the two fixing devices can be fixed on a backbone, the fracture is located between the two fixing devices, the guide structure is movably connected with the guide rail, the guide structure can move along the length direction of the guide rail and can rotate along the circumferential direction of the guide rail, and a fracture Kirschner wire can penetrate through the guide structure and be inserted into a designated position on the backbone.

Description

Fixing guider for kirschner wire for fracture

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a fixed director of fracture kirschner wire is related to.

Background

The fracture Kirschner wire is a commonly used internal fixation material for orthopedics, the original specification of the fracture Kirschner wire is generally fixed at about twenty centimeters, and the diameters of the fracture Kirschner wire are different from 0.5-2 millimeters. The bone fracture fixation device is used for fixing short fractures or avulsion fractures and other fractures with low stress, and is also commonly used for fixing temporary fracture blocks in orthopedic operations and temporarily fixing after fracture reduction. Due to wide application, the maximum diameter of the kirschner wire is gradually increased to 4 mm, and with the development of an external fixing bracket, the fracture kirschner wire can be matched with the external fixing bracket to fix fractures such as pelvic fractures and the like and is also commonly used for traction and fixation of fractures.

At present, when the fracture kirschner wire is clinically used for fixing the bone fracture of the shaft and the metaphysis of the limbs, the fracture kirschner wire is easy to deviate from the direction when being inserted into the bone due to the lack of a guide device, and the fracture kirschner wire is likely to need to be reinstalled, so that the operation time is increased, and larger injury is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a guider is fixed to k-wire of fracture to when solving the clinical use fracture k-wire of existing among the prior art and fixing four limbs diaphysis and metaphysis fracture, lack guider, make the technical problem of the off-direction of fracture k-wire when fixed fracture gets into the sclerotin easily. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pair of fixed director of k's needle of fracture, including fixing device, guide track and guide structure, wherein, fixing device with the guide track is connected, fixing device's number is two, two fixing device homoenergetic is fixed on diaphysis and the fracture is located two between the fixing device, guide structure with guide track swing joint, guide structure can follow guide track length direction removes just guide structure can follow guide track circumference direction rotates, and the k's needle of fracture can pass guide structure inserts diaphysis assigned position.

Optionally, the guide structure includes a guide portion and an adjusting mechanism, the adjusting mechanism is rotatably connected with the guide portion, the adjusting mechanism is movably connected with the guide rail, and the fracture kirschner wire can pass through the guide portion.

Optionally, adjustment mechanism includes movable sleeve and adapter sleeve, the terminal surface of adapter sleeve with the side fixed connection of movable sleeve, the movable sleeve can overlap the guide track is last, the movable sleeve can be followed guide track length direction removes just the movable sleeve can be followed guide track circumferential direction rotates, the adapter sleeve with the guide part rotates and is connected.

Optionally, the adjusting mechanism further comprises a first limiting rod, the first limiting rod can penetrate through the side face of the movable sleeve and abut against the guide rail, and the first limiting rod can limit the movable sleeve to move on the guide rail.

Optionally, the adjusting mechanism further includes a second limiting rod, the second limiting rod can penetrate through the side surface of the connecting sleeve and abut against the guide portion, and the second limiting rod can limit the guide portion to move in the connecting sleeve.

Optionally, the guiding part includes stand pipe and spliced pole, the terminal surface of spliced pole with the side fixed connection of stand pipe, the spliced pole can stretch into in the connecting sleeve just the spliced pole with the connecting sleeve rotates to be connected, fracture kirschner wire can pass the stand pipe.

Optionally, two fixing devices are respectively located at two ends of the guide rail.

Optionally, the fixing device includes a fixing clip and a fixing portion, the fixing portion is connected to the guide rail, the fixing clip is connected to the fixing portion, and the fixing clip can be clipped to the backbone.

Optionally, the fixing clip includes a first clip piece, a second clip piece and a clamping mechanism, the clamping mechanism is connected with the fixing portion, and one end of both the first clip piece and the second clip piece is connected with the clamping mechanism.

Optionally, the fixing device, the guide rail and the guide structure are made of stainless steel.

The utility model provides a fixing guider for kirschner wire in fracture, in the operation of using the fixing diaphysis and metaphysis of the kirschner wire in fracture, firstly, one fixing device is clamped at the proximal part of the fracture, the other fixing device is clamped at the distal part of the fracture, so that the fracture is positioned between the two fixing devices, and the inserted position of the kirschner wire in fracture is determined at the same time, and then the position of the guiding structure on the guiding track is adjusted, so that the guiding pipe corresponds to the designated position of the fracture fixation, then the kirschner wire in fracture is passed through the guiding pipe, the designated position of the radial and direct fracture is inserted, because the kirschner wire in fracture is guided through the guiding pipe firstly, and then when the kirschner wire in fracture is inserted into the sclerotin, the deviation direction is not easy, when the fracture of the diaphysis and metaphysis is fixed clinically by the kirschner wire in fracture existing technology, the guiding device is lacked, easily make the fracture kirschner wire deviate from the direction when fixing the fracture and entering the bone.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a mechanism of a fracture kirschner wire fixing guider installed on a backbone provided by the embodiment of the invention;

FIG. 2 is a schematic mechanism diagram of a fixation guide for a fracture Kirschner wire according to an embodiment of the present invention;

FIG. 1 shows a fixing device; 11. a fixing clip; 111. a first clip piece; 112. a second clip; 113. a clamping mechanism; 12. a fixed part; 2. a guide rail; 3. a guide structure; 31. a guide portion; 311. a guide tube; 312. connecting columns; 32. an adjustment mechanism; 321. a movable sleeve; 322. connecting sleeves; 323. a first limit rod; 324. a second limiting rod; 4. a backbone; 5. a fracture kirschner wire.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like are used in an orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is also to be understood that the terms "mounted", "connected" and "connected", unless expressly specified or limited otherwise, are intended to be interpreted broadly, as meaning either a fixed connection or a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.

The utility model provides a fixed director of fracture kirschner wire, including fixing device 1, guide track 2 and guide structure 3, wherein, fixing device 1 is connected with guide track 2, fixing device 1's number is two, two fixing device 1 are located guide track 2's both ends respectively, two fixing device 1 homoenergetic are fixed on backbone 4 and the fracture is located between two fixing device 1, guide structure 3 and guide track 2 swing joint, guide structure 3 can be followed 2 length direction in the guide track and guide structure 3 can be followed 2 circumferential direction in the guide track and rotated, fracture kirschner wire 5 can pass guide structure 3 and insert the assigned position on backbone 4. The utility model provides a fixing guider for kirschner wire for fracture, in the operation of using the fixing diaphysis 4 and metaphysis of the kirschner wire 5 for fracture, firstly clamp one fixing device 1 at the proximal part of fracture, clamp another fixing device 1 at the distal part of fracture, make the fracture be located between two fixing devices 1, confirm the position of inserting the kirschner wire 5 for fracture at the same time, and then adjust the position of the guiding structure 3 on the guiding track 2, make the guiding tube 311 correspond to the designated position of fracture fixation, then pass the kirschner wire 5 through the guiding tube 311, insert the straight designated position of fracture, because the kirschner wire 5 for fracture is firstly guided through the guiding tube 311, and then when the kirschner wire 5 for fracture is inserted on the sclerotin, the deviation direction is not easy, when using the fixing diaphysis and metaphysis of fracture clinically in order to solve the existing technology, the fracture kirschner wire is easy to deviate from the direction when the fracture is fixed and enters the bone because of lacking a guiding device.

As an alternative embodiment, the guiding structure 3 includes a guiding portion 31 and an adjusting mechanism 32, the adjusting mechanism 32 is rotatably connected to the guiding portion 31 for enabling the guiding portion 31 to tilt relative to the guiding rail 2 and adjusting the tilting angle thereof, the adjusting mechanism 32 is movably connected to the guiding rail 2 for adjusting the circumferential position and the height position of the guiding portion 31 on the guiding rail 2, so as to facilitate the adjustment of the position of the guiding portion 31 in space and further easily align the designated position of the fracture fixation, and the fracture kirschner wire 5 can be easily threaded along the guiding portion 31 to the designated position of the quasi-fracture fixation.

As an optional implementation manner, the adjusting mechanism 32 includes a movable sleeve 321 and a connecting sleeve 322, an end surface of the connecting sleeve 322 is fixedly connected with a side surface of the movable sleeve 321, the movable sleeve 321 and the connecting sleeve 322 are vertically arranged, the movable sleeve 321 can be sleeved on the guide rail 2, the movable sleeve 321 can move along the length direction of the guide rail 2 and the movable sleeve 321 can rotate along the circumferential direction of the guide rail 2, the movable sleeve 321 further drives the guide portion 31 to move along the length direction of the guide rail 2 and rotate along the circumferential direction of the guide rail 2, the connecting sleeve 322 is rotatably connected with the guide portion 31, and the connecting sleeve 322 drives the guide portion 31 to rotate obliquely relative to the guide rail 2.

As an optional embodiment, the adjusting mechanism 32 further includes a first limiting rod 323, the first limiting rod 323 is in threaded connection with the movable sleeve 321, and when the movable sleeve 321 moves to a specified position, the first limiting rod 323 passes through the side surface of the movable sleeve 321 and abuts against the guide rail 2, and then the first limiting rod 323 limits the movable sleeve 321 to move on the guide rail 2, so that the guide portion 31 does not move along the length direction and the circumferential direction of the guide rail 2.

As an optional embodiment, the adjusting mechanism 32 further includes a second limiting rod 324, the second limiting rod 324 is in threaded connection with the connecting sleeve 322, when the inclined angle of the guide portion 31 corresponds to the designated position, the second limiting rod 324 penetrates the side surface of the connecting sleeve 322 and abuts against the guide portion 31, and then the second limiting rod 324 limits the movement of the guide portion 31 in the connecting sleeve 322, so that the guide portion 31 does not shake when the fracture kirschner wire 5 penetrates the guide portion 31.

As an optional embodiment, the guide part 31 includes a guide tube 311 and a connection column 312, an end surface of the connection column 312 is fixedly connected with a side surface of the guide tube 311, the guide tube 311 and the connection column 312 are vertically arranged, the connection column 312 can extend into the connection sleeve 322, the connection column 312 is rotatably connected with the connection sleeve 322, the second limiting rod 324 penetrates through the side surface of the connection sleeve 322 and abuts against the connection column 312, and the fracture kirschner wire 5 can penetrate through the guide tube 311.

As an alternative embodiment, the fixing device 1 comprises a fixing clip 11 and a fixing portion 12, the fixing portion 12 being connected with the guide rail 2, the fixing clip 11 being connected with the fixing portion 12, the fixing clip 11 being clampable against the stem 4. The fixing clip 11 includes a first clip piece 111, a second clip piece 112, and a clamping mechanism 113, the clamping mechanism 113 is connected to the fixing portion 12, one end of each of the first clip piece 111 and the second clip piece 112 is connected to the clamping mechanism 113, and the first clip piece 111 and the second clip piece 112 can clamp or release the stem 4 through the clamping mechanism 113.

As an alternative embodiment, the fixing device 1, the guide rail 2 and the guide structure 3 may be made of stainless steel, and also need to have high temperature resistance.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A fixing guider for a kirschner wire of fracture is characterized by comprising a fixing device (1), a guide track (2) and a guide structure (3), wherein,

the fixing device (1) is connected with the guide rail (2), the number of the fixing device (1) is two, the fixing device (1) can be fixed on the backbone (4), the fracture is located between the fixing device (1), the guide structure (3) is movably connected with the guide rail (2), the guide structure (3) can move along the length direction of the guide rail (2), the guide structure (3) can rotate along the circumferential direction of the guide rail (2), and the fracture Kirschner wire (5) can penetrate through the guide structure (3) and be inserted into a designated position on the backbone (4).

2. The device according to claim 1, characterized in that said guiding structure (3) comprises a guiding portion (31) and an adjusting mechanism (32), said adjusting mechanism (32) being rotatably connected to said guiding portion (31), said adjusting mechanism (32) being movably connected to said guiding track (2), said fracture kirschner wire (5) being able to pass through said guiding portion (31).

3. The fixing guide for the kirschner wire for fracture according to claim 2, characterized in that the adjusting mechanism (32) comprises a movable sleeve (321) and a connecting sleeve (322), the end surface of the connecting sleeve (322) is fixedly connected with the side surface of the movable sleeve (321), the movable sleeve (321) can be sleeved on the guide rail (2), the movable sleeve (321) can move along the length direction of the guide rail (2) and the movable sleeve (321) can rotate along the circumferential direction of the guide rail (2), and the connecting sleeve (322) is rotatably connected with the guide part (31).

4. The fracture kirschner wire fixation guide of claim 3, wherein the adjusting mechanism (32) further comprises a first limiting rod (323), the first limiting rod (323) can penetrate through the side surface of the movable sleeve (321) and abut on the guide rail (2), and the first limiting rod (323) can limit the movable sleeve (321) to move on the guide rail (2).

5. The fracture kirschner wire fixation guide of claim 3, wherein the adjusting mechanism (32) further comprises a second limiting rod (324), the second limiting rod (324) can penetrate through the side surface of the connecting sleeve (322) and abut on the guide part (31), and the second limiting rod (324) can limit the guide part (31) to move in the connecting sleeve (322).

6. The fixing guide for the kirschner wire for the fracture according to claim 3, characterized in that the guide part (31) comprises a guide tube (311) and a connecting column (312), the end surface of the connecting column (312) is fixedly connected with the side surface of the guide tube (311), the connecting column (312) can extend into the connecting sleeve (322) and the connecting column (312) is rotatably connected with the connecting sleeve (322), and the kirschner wire for the fracture (5) can pass through the guide tube (311).

7. The fracture kirschner wire fixation guide of claim 1, wherein two of the fixation devices (1) are located at each end of the guide rail (2).

8. The fracture kirschner wire fixation guide of claim 1, wherein the fixation device (1) comprises a fixation clamp (11) and a fixation part (12), the fixation part (12) being connected with the guide rail (2), the fixation clamp (11) being connected with the fixation part (12), the fixation clamp (11) being clampable against the shaft (4).

9. The fracture kirschner wire fixation guide of claim 8, wherein the fixation clamp (11) comprises a first clamping piece (111), a second clamping piece (112) and a clamping mechanism (113), the clamping mechanism (113) being connected with the fixation part (12), one end of both the first clamping piece (111) and the second clamping piece (112) being connected with the clamping mechanism (113).

10. The guide for the fixation of the kirschner wires for fractures according to claim 1, characterized in that the materials used for the fixation device (1), the guide rail (2) and the guide structure (3) are all stainless steel.