CN219089592U

CN219089592U - Kirschner wire limiting structure capable of avoiding displacement

Info

Publication number: CN219089592U
Application number: CN202223399331.6U
Authority: CN
Inventors: 龚媛; 张营
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-05-30
Anticipated expiration: 2032-12-19

Abstract

The utility model provides a Kirschner wire limiting structure capable of avoiding displacement, and relates to the technical field of limiting structures. According to the utility model, under the cooperation of the fixing mechanism, the sliding mechanism and the clamping mechanism, the clamping mechanism can move transversely in the sliding groove under the action of the two sliding blocks on the outer surface wall, then the hand fracture part is treated, and the Kirschner wire fixing structure body can move transversely under the action of the two groups of driving rods and the bearing, so that a worker can operate and treat the Kirschner wire fixing structure conveniently, the use flexibility of the Kirschner wire limiting structure is improved, and the fixing pin is inserted between the inner surface walls of the first fixing groove and the second fixing groove, so that the fixing state between the clamping structure and the sliding mechanism can be kept.

Description

Kirschner wire limiting structure capable of avoiding displacement

Technical Field

The utility model relates to the technical field of limiting structures, in particular to a Kirschner wire limiting structure capable of avoiding displacement.

Background

The Kirschner wire is one of the most commonly used internal fixing materials in orthopaedics, and has two materials, namely stainless steel and titanium alloy materials, has extremely wide application in orthopaedics operation, has the advantages of small wound and low price, and can fix the fracture of short bones, such as metacarpal bones, metatarsal bones, phalangeal bones and the like in the aspect of adult fracture.

Existing, for example, chinese patent nos.: the fixing device with the Kirschner wire in CN 216675878U comprises a Kirschner wire, wherein the Kirschner wire comprises a needle point, a needle body and a needle tail; the novel Kirschner wire tail is characterized in that the Kirschner wire tail is further provided with a bolt fixing structure with an arc-shaped hook, the novel Kirschner wire tail fixing structure comprises a fixing base and bolts, a through hole matched with the Kirschner wire tail to pass through is formed in the fixing base, a screw hole matched with the bolts to be used is formed in the direction perpendicular to the axis of the through hole, the screw hole is communicated with the through hole, the arc-shaped hook is arranged on the fixing base, and the problem possibly caused by bending of the Kirschner wire tail in the prior art is solved.

The device can avoid the problem of tail bending, but only uses a single bolt for fixing, has poor fixing effect, and easily causes collision between the Kirschner wire and an external object when a patient moves in position, and the Kirschner wire at the fixing position easily deviates, thereby causing injury to the patient.

Disclosure of Invention

The utility model aims to solve the problem that the Kirschner wire is easy to deviate when a patient moves to cause the injury of the patient in the prior art, and provides a Kirschner wire limiting structure for avoiding the deviation.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a prevent k's needle limit structure of aversion, fixed mounting has slide mechanism in outer wall one side of fixed mechanism, slide mechanism's interior surface wall slides and inlays a plurality of fixture;

the clamping mechanisms comprise a plurality of groups of sliding blocks, a plurality of groups of sliding blocks are respectively provided with a second fixing groove at one side of the outer wall of each sliding block, sliding seats are respectively fixedly arranged on the outer surface walls of the sliding blocks, driving grooves are respectively arranged on the outer surface walls of the sliding seats, bearings are respectively fixedly inserted into the inner surface walls of the driving grooves, driving rods are respectively fixedly inserted between the inner surface walls of the bearings, and Kirschner wire fixing structure bodies are respectively fixedly sleeved between the outer surface walls of the driving rods.

Preferably, a plurality of the standing grooves are all formed in one side of the outer wall of the Kirschner wire fixing structure body, the Kirschner wire bodies are all placed between the inner surface walls of the standing grooves, the right sides of the Kirschner wire fixing structure bodies are all provided with threaded grooves, the inner surface walls of the threaded grooves are all rotationally connected with threaded rods, and the Kirschner wire fixing structure is convenient to extrude and fix the Kirschner wire bodies under the cooperation of the threaded grooves and the threaded rods.

Preferably, the fixing mechanism comprises an outer shell, and two telescopic rods are fixedly arranged on the outer surface wall of the outer shell, so that the distance between the clamping mechanism and the fixing mechanism can be adjusted conveniently under the action of the two telescopic rods.

Preferably, the sliding mechanism comprises two linkage blocks, and a sliding frame is fixedly arranged between the outer surface walls of the two linkage blocks, so that the sliding frame can be driven to move forwards and backwards conveniently under the action of the two linkage blocks.

Preferably, two sliding grooves are formed in the inner surface wall of the sliding frame, a group of first fixing grooves are preset in the two sliding grooves, fixing pins are movably inserted in the inner surface wall of each first fixing groove, and the sliding frames can be conveniently inserted between the first fixing grooves and the second fixing grooves under the action of the fixing pins to fix the clamping framework.

Preferably, two the output of telescopic link and the equal fixed connection of outer wall one side of two linkage pieces, two sets of the slider slides respectively and inlays the inside of establishing at two sliding tray, and a plurality of fixed pins are all movably inserted and are established in the inside of second fixed slot, conveniently under the effect of slider, and the clamping structure can carry out lateral shifting in the inside of sliding tray to can adjust positional relationship.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, in use, the human hand part is placed in the fixing mechanism under the cooperation of the fixing mechanism, the sliding mechanism and the clamping mechanism, the distance between the Kirschner wire limiting structure and the fixing mechanism is adjusted according to the size of the hand of a patient, then the clamping mechanism can move transversely in the sliding groove under the action of the two sliding blocks on the outer surface wall according to the finger fracture part of the patient, then the finger fracture part is treated, and the Kirschner wire fixing structure body can move transversely under the action of the two groups of driving rods and the bearing, so that the operation treatment of the Kirschner wire limiting structure is facilitated for a worker, the use flexibility of the Kirschner wire limiting structure is improved, and the fixing pin is inserted between the inner surface walls of the first fixing groove and the second fixing groove, so that the fixing state between the clamping structure and the sliding mechanism can be kept.

2. According to the utility model, a plurality of clamping mechanisms can be added on the sliding mechanism, and when a plurality of fracture treatments are required to be carried out on the finger parts, the clamping mechanisms are only required to be arranged in the sliding mechanism, so that the sliding mechanism is convenient to detach.

Drawings

Fig. 1 is a perspective view of a front view of a k-wire limiting structure for preventing displacement according to the present utility model;

FIG. 2 is a view showing the detachment of the fixing mechanism in the Kirschner wire limiting structure for avoiding displacement according to the present utility model;

FIG. 3 is a split view of a sliding mechanism in a k-wire limiting structure for preventing displacement according to the present utility model;

fig. 4 is a split view of a clamping mechanism in a k-wire limiting structure for preventing displacement.

Legend description:

1. a fixing mechanism; 101. an outer housing; 102. a soft cushion; 103. a telescopic rod;

2. a sliding mechanism; 201. a linkage block; 202. a carriage; 203. a sliding groove; 204. a first fixing groove; 205. a fixing pin;

3. a clamping mechanism; 301. a slide block; 302. a second fixing groove; 303. a sliding seat; 304. a driving groove; 305. a bearing; 306. a driving rod; 307. a Kirschner wire fixing structure body; 308. a placement groove; 309. a Kirschner wire body; 310. a thread groove; 311. a threaded rod.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Referring to fig. 1-4, the present utility model provides a technical solution: the Kirschner wire limiting structure capable of avoiding displacement is characterized in that a sliding mechanism 2 is fixedly arranged on one side of the outer wall of a fixing mechanism 1, and a plurality of clamping mechanisms 3 are embedded in the inner surface wall of the sliding mechanism 2 in a sliding manner;

the clamping mechanisms 3 comprise a plurality of groups of sliding blocks 301, a second fixing groove 302 is formed in one side of the outer wall of each group of sliding blocks 301, sliding seats 303 are fixedly arranged on the outer surface walls of each group of sliding blocks 301, driving grooves 304 are formed in the outer surface walls of each group of sliding seats 303, bearings 305 are fixedly inserted into the inner surface walls of each group of driving grooves 304, driving rods 306 are fixedly inserted between the inner surface walls of each group of bearings 305, and kirschner wire fixing structure bodies 307 are fixedly sleeved between the outer surface walls of each group of driving rods 306.

As shown in fig. 4, the outer wall side of the plurality of k-wire fixing structure bodies 307 is provided with a placing groove 308, the k-wire bodies 309 are placed between the inner surface walls of the placing groove 308, the right sides of the plurality of k-wire fixing structure bodies 307 are provided with thread grooves 310, the inner surface walls of the plurality of thread grooves 310 are rotationally connected with threaded rods 311, the k-wire bodies 309 are inserted into the placing groove 308, and the threaded rods 311 rotate in the thread grooves 310, so that the k-wire bodies 309 can be extruded and kept fixed.

As shown in fig. 2, the fixing mechanism 1 includes an outer casing 101, a soft pad 102 is fixedly mounted between inner surfaces of the outer casing 101, two telescopic rods 103 are fixedly mounted on outer surfaces of the outer casing 101, and under the action of the soft pad 102, a joint of a hand and the soft pad can be maintained, so that relative softness is provided for the hand.

As shown in fig. 3, the sliding mechanism 2 includes two linkage blocks 201, and a sliding frame 202 is fixedly installed between the outer surface walls of the two linkage blocks 201, so that the clamping mechanism 3 can move laterally inside the sliding frame under the action of the sliding frame 202.

As shown in fig. 3, two sliding grooves 203 are formed in the inner surface wall of the sliding frame 202, a set of first fixing grooves 204 are preset in the two sliding grooves 203, fixing pins 205 are movably inserted in the inner surface wall of the set of first fixing grooves 204, and the fixing state between the clamping mechanism 3 and the sliding mechanism 2 can be maintained under the action of the fixing pins 205.

As shown in fig. 2-4, the output ends of the two telescopic rods 103 are fixedly connected to one side of the outer wall of the two linkage blocks 201, the two groups of sliding blocks 301 are respectively and slidably embedded in the two sliding grooves 203, the plurality of fixing pins 205 are movably inserted in the second fixing grooves 302, and the telescopic rods 103 are used as media to drive the sliding mechanism 2 to adjust the length while the telescopic rods 103 are telescopic.

The application method and the working principle of the device are as follows: the fractured hand is placed inside the fixing mechanism 1 by a patient, the surface wall of the hand is connected with the soft cushion 102, comfort is provided for the hand of the patient through the softness of the hand, then the clamping mechanism 3 is added to the inside of the sliding mechanism 2 according to the fractured parts and the number of fingers of the patient, the clamping mechanism 3 can transversely move inside the sliding groove 203 through the action of the upper sliding block 301 and the lower sliding block 301, so that an optimal position is found, the kirschner wire body 309 is inserted inside the placing groove 308, the kirschner wire body 309 is inserted at the fractured parts of the fingers through the action of external pushing force, the threaded rod 311 is rotated at the position inside the threaded groove 310, so that the outer surface wall of the kirschner wire body 309 is extruded and fixed, and finally the fixing pin 205 is inserted between the inner surface walls of the first fixing groove 204 and the second fixing groove 302, so that the relative position of the clamping mechanism 3 and the inside the sliding mechanism 2 is kept fixed, and the movement is avoided.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. A k-wire limiting structure for avoiding displacement, characterized in that: a sliding mechanism (2) is fixedly arranged on one side of the outer wall of the fixing mechanism (1), and a plurality of clamping mechanisms (3) are embedded in the inner surface wall of the sliding mechanism (2) in a sliding manner;

the clamping mechanisms (3) comprise a plurality of groups of sliding blocks (301), a plurality of groups of sliding blocks (301) are provided with second fixing grooves (302) on one side of the outer wall of each sliding block (301), sliding seats (303) are fixedly arranged on the outer surface walls of the sliding blocks (301), driving grooves (304) are formed in the outer surface walls of the sliding seats (303), bearings (305) are fixedly inserted into the inner surface walls of the driving grooves (304), driving rods (306) are fixedly inserted between the inner surface walls of the bearings (305), and kirschner wire fixing structure bodies (307) are fixedly sleeved between the outer surface walls of the driving rods (306).

2. A k-wire defining structure for avoiding displacement as claimed in claim 1, wherein: a plurality of kirschner wire fixed knot constructs outer wall one side of body (307) and has all seted up standing groove (308), all placed kirschner wire body (309) between the interior table wall of standing groove (308), a plurality of right side of kirschner wire fixed knot constructs body (307) has all seted up screw groove (310), a plurality of all swivelling joint has threaded rod (311) between the interior table wall of screw groove (310).

3. A k-wire defining structure for avoiding displacement as claimed in claim 2, wherein: the fixing mechanism (1) comprises an outer shell (101), and two telescopic rods (103) are fixedly arranged on the outer surface wall of the outer shell (101).

4. A k-wire defining structure for avoiding displacement as claimed in claim 3, wherein: the sliding mechanism (2) comprises two linkage blocks (201), and a sliding frame (202) is fixedly arranged between the outer surface walls of the two linkage blocks (201).

5. A k-wire defining structure for avoiding displacement as claimed in claim 4, wherein: two sliding grooves (203) are formed in the inner surface wall of the sliding frame (202), a group of first fixing grooves (204) are preset in the two sliding grooves (203), and fixing pins (205) are movably inserted in the inner surface wall of the first fixing grooves (204).

6. A k-wire defining structure for avoiding displacement as claimed in claim 5, wherein: the output ends of the two telescopic rods (103) are fixedly connected with one side of the outer wall of the two linkage blocks (201), the two groups of sliding blocks (301) are respectively and slidably embedded in the two sliding grooves (203), and the fixing pins (205) are movably inserted in the second fixing grooves (302).