CN215018801U

CN215018801U - Patella fracture resetting guide device

Info

Publication number: CN215018801U
Application number: CN202120684364.1U
Authority: CN
Inventors: 杨运发
Original assignee: Guangzhou First Peoples Hospital
Current assignee: Guangzhou First Peoples Hospital
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-12-07
Anticipated expiration: 2031-04-02

Abstract

The utility model relates to the technical field of medical equipment, a patella fracture guider that resets is disclosed, include: the guide frame and the guide posts; the guide frame is of a closed annular structure, and a plurality of through holes penetrating through the inner peripheral wall and the outer peripheral wall are formed in the guide frame; each guide post corresponds to the through hole one by one and penetrates through the through hole, each guide post is provided with a guide hole penetrating through two ends of each guide post, and each guide hole is used for guiding the Kirschner wire. The device has the functions of maintaining fracture reduction and fixing and guiding while assisting fracture reduction, realizes the integrated functions of reduction, maintaining reduction and guiding, conforms to the fixing operation habit of the tension band of the Kirschner wire, has more satisfactory reduction, more reliable fixing, shorter operation time and less X-ray exposure, and is suitable for treating almost all types of patellar fractures.

Description

Patella fracture resetting guide device

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a patella fracture guider that resets.

Background

Patellar fractures are the most common intra-articular fractures. In order to reduce the incidence rate of complications and disability rate, surgical treatment is preferred. The operation modes including 'incision reduction kirschner wire tension band, patella claw, deformed steel plate internal fixation, external fixator fixation' and the like are all required to reduce the fracture and complete the fixation under the X-ray monitoring. Because of reliable fixation and low cost, the most widely applied method is 'fixation in a cutting reset kirschner wire tension band'.

At present, the kirschner wire is usually assisted to reset and maintain to reset by a point type reset clamp in the patellar fracture kirschner wire tension band internal fixation operation, the kirschner wire is placed in the patellar fracture kirschner wire according to the experience of an operator and internal fixation is sequentially completed, an integrated device of 'assisted resetting, maintaining resetting and completing kirschner wire guiding' of the patellar fracture is lacked, the resetting is easy to lose, the position of the kirschner wire is not good, and the operation time is prolonged, X rays are exposed too much, and the operation effect is not satisfactory.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the patella fracture reduction guiding device has the functions of maintaining fracture reduction and fixing and guiding while assisting fracture reduction, realizes the integrated functions of reduction, maintenance reduction and guiding, accords with the fixing operation habit of a Kirschner wire tension band, is more satisfactory in reduction, more reliable in fixation, shorter in operation time and less in X-ray exposure, and is suitable for treating almost all types of patella fractures.

In order to achieve the above object, the utility model provides a patella fracture guider that resets, include: the guide frame and the guide posts;

the guide frame is of a closed annular structure, and a plurality of through holes penetrating through the inner peripheral wall and the outer peripheral wall are formed in the guide frame;

each guide post corresponds to the through hole one by one and penetrates through the through hole, each guide post is provided with a guide hole penetrating through two ends of each guide post, and each guide hole is used for guiding the Kirschner wire.

In some embodiments, the guide frame is quadrilateral in shape.

In some embodiments, the guide frame includes two sets of frame strips disposed opposite to each other, and each of the through holes is opened on each of the frame strips, and the through holes are uniformly spaced on the frame strips.

In some embodiments, the interval between two adjacent through holes on the same frame strip is 4-6 mm.

In some embodiments, the two opposite frame strips are a first frame strip and a second frame strip, respectively, and the through holes disposed on the first frame strip correspond to the through holes disposed on the second frame strip one to one.

In some embodiments, the interval between the through holes on the first frame strip and the through holes on the second frame strip in the vertical direction is 2-3 mm.

In some embodiments, the guide frame is rectangular, and the length of the guide frame is 11-13 cm, and the width of the guide frame is 9-11 cm.

In some embodiments, the pilot hole has a hole diameter of 2-3 mm.

In some embodiments, the through hole is a threaded hole, and the guide post is provided with a thread which is in fit connection with the threaded hole.

In some embodiments, the guide post has a tip that passes through the through hole and is used for inserting a patella.

The utility model provides a pair of patella fracture guider that resets compares with prior art, its beneficial effect lies in: the guide frame is used for being framed around the patella, the guide post passes through the through-hole on the guide frame and supports the patella, the Kirschner wire passes through the guide hole on the guide post and is put into the patella, the whole device has the functions of maintaining fracture reduction and fixing and guiding while assisting fracture reduction of the patella, the integrated functions of reduction, maintaining reduction and guiding are realized, the fixation operation habit of the Kirschner wire tension band is met, the reduction is more satisfied, the fixation is more reliable, the operation time is shorter, and the X-ray exposure is less.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the frame strip structure of the present invention.

In the figure, 1, a guide frame; 101. frame strips; 102. a through hole; 2. a guide post; 3. the patella.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the 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 application.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

As shown in fig. 1, a patellar fracture reduction guide according to some embodiments of the present application includes: a guide frame 1 and a plurality of guide posts 2; the guide frame 1 is of a closed annular structure, and a plurality of through holes 102 penetrating through the inner and outer peripheral walls are formed in the guide frame 1; each guide post 2 corresponds to the through hole 102 one by one and penetrates through the through hole 102, each guide post 2 is provided with a guide hole penetrating through two ends of the guide post 2, and the guide holes are used for guiding the kirschner wires.

Based on the scheme, the guide frame 1 is used for being framed around the patella 3, the guide post 2 penetrates through the through hole 102 on the guide frame 1 and props against the patella 3, the Kirschner wire penetrates through the guide hole on the guide post 2 and is placed into the patella 3, the whole device has the functions of maintaining fracture reduction and fixing and guiding while assisting fracture reduction of the patella 3, the integrated functions of reduction, maintenance reduction and guiding are realized, the fixing operation habit of the Kirschner wire tension band is met, the reduction is more satisfactory, the fixation is more reliable, the operation time is shorter, and less X-ray exposure is realized.

In some embodiments, the guide frame 1 has a quadrilateral shape. The design of the guide frame 1 with a quadrilateral structure is adopted, so that the kirschner wire can be guided from various angles to ensure that the kirschner wire can be placed into the patella 3 from all positions for fixed reduction.

In some embodiments, the guide frame 1 includes two sets of frame strips 101 disposed oppositely, each of the through holes 102 is opened on each of the frame strips 101, and the through holes 102 are uniformly spaced on the frame strips 101. The through holes 102 are distributed at intervals on the same frame strip 101, and the distance between the adjacent through holes 102 is the same, so as to ensure that the through holes 102 can cover the position where the Kirschner wire needs to be placed as much as possible. According to the actual treatment scheme, the guide post 2 can be placed into any one of the through holes 102 to complete the reduction and fixation of the patellar fracture if necessary.

In some embodiments, the interval between two adjacent through holes 102 on the same frame strip 101 is 4-6 mm. The interval between two adjacent through holes 102 is 5 mm.

In some embodiments, the two opposite frame strips 101 are a first frame strip and a second frame strip, the through holes 102 disposed on the first frame strip correspond to the through holes 102 disposed on the second frame strip one by one, and the vertical distance between the through holes 102 on the first frame strip and the through holes 102 on the second frame strip is 2-3 mm. The interval of the two opposite through holes 102 in the vertical direction is 2.5mm, the interval takes the horizontal plane where the central points of the through holes 102 are located as the reference, the through holes 102 on the opposite frame strips 101 are arranged in a staggered mode, meanwhile, the collision of the opposite kirschner wires can be avoided under the condition that the kirschner wires are placed, and the kirschner wires with multiple layers are placed.

In some embodiments, the guide frame 1 has a rectangular shape, and the length of the guide frame 1 is 11-13 cm and the width thereof is 9-11 cm. The length of the guide frame 1 is 12cm, and the width is 10 cm.

In some embodiments, the pilot hole has a hole diameter of 2-3 mm. The diameter of the guide hole is 2.5mm in particular, so as to match a kirschner wire with the diameter of 2.5 mm.

In some embodiments, the through hole 102 is a threaded hole, the guide post 2 is provided with threads matched and connected with the threaded hole, the guide post 2 has a tip, and the tip of the guide post 2 passes through the through hole 102 and is used for inserting the patella 3. The pointed end of the guide post 2 can smoothly pass through the guide frame 1, and the long thread on the guide post 2 is just matched with the threaded hole on the guide frame 1, so that all Kirschner wires placed in through the guide post 2 can be ensured to be parallel and in the same plane.

In summary, the patella fracture reduction guiding device provided by the embodiment of the invention assists the reduction of the patella fracture and simultaneously has the functions of maintaining the reduction of the fracture and fixing and guiding, realizes the integrated functions of reduction, maintaining the reduction and guiding the kirschner wire, conforms to the fixing operation habit of the kirschner wire tension band, and has the advantages of more satisfactory reduction, more reliable fixation, shorter operation time and less exposure of X-rays.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. A patellar fracture reduction guide, comprising:

the guide frame is of a closed annular structure, and is provided with a plurality of through holes penetrating through the inner peripheral wall and the outer peripheral wall;

each guide post corresponds to the through hole one by one and penetrates through the through hole, guide holes penetrating through two ends of each guide post are formed in each guide post, and the guide holes are used for guiding the Kirschner wires.

2. The patellar fracture reduction guide according to claim 1, wherein the guide frame is quadrilateral in shape.

3. The patellar fracture reduction guide device according to claim 2, wherein the guide frame comprises two sets of opposing frame strips, each of the through holes is formed on each of the frame strips, and the through holes are uniformly spaced on the frame strips.

4. The patellar fracture reduction guide device according to claim 3, wherein the interval between two adjacent through holes on the same frame strip is 4-6 mm.

5. The patellar fracture reduction guide device according to claim 3, wherein the two opposing frame strips are a first frame strip and a second frame strip, and the through holes disposed on the first frame strip are in one-to-one correspondence with the through holes disposed on the second frame strip.

6. The patellar fracture reduction guide according to claim 3, wherein the interval between the through holes of the first frame strip and the second frame strip in the vertical direction is 2-3 mm.

7. The patellar fracture reduction guide according to claim 2, wherein the guide frame has a rectangular shape, and the guide frame has a length of 11-13 cm and a width of 9-11 cm.

8. The patellar fracture reduction guide according to claim 1, wherein the guide hole has a bore diameter of 2-3 mm.

9. The patellar fracture reduction guide according to claim 1, wherein the through hole is a threaded hole, and the guide post is provided with threads for engaging with the threaded hole.

10. The patellar fracture reduction guide according to claim 1, wherein the guide post has a tip, the tip of the guide post passing through the through hole and being adapted to be inserted into the patella.