CN219000511U - Encircling type steel plate for treating patella fracture - Google Patents

Abstract

The utility model discloses an encircling steel plate for treating patella fracture, which is hooped at the lower pole of the patella and below a patella ligament through a Kirschner wire and a steel wire, and is divided into an integrally formed bending part and encircling parts positioned at two ends of the bending part, wherein the width of the bending part gradually widens from the middle to the directions of the two ends, the maximum width of the bending part is consistent with the width of the encircling part, the inner surfaces of the bending part and the encircling part are provided with concave cambered surfaces, and the bending part and the encircling part are uniformly provided with threading holes and screw holes. This encircling type steel sheet sets up kink and encircling portion on the steel sheet on traditional arc staple bolt patella lower extreme's basis, when performing the art, the doctor can utilize narrower kink to reach the below position of patella lower extreme and patella ligament, replaces the preceding steel sheet of top position installation at patella ligament, can greatly reduce the steel sheet like this to soft tissue damage, and the fracture position of patella is used for tightening up to the encircling portion at kink and its both ends, reaches patella fracture treatment purpose.

Description

Encircling type steel plate for treating patella fracture

Technical Field

The utility model relates to the technical field of medical appliances, in particular to an encircling steel plate for treating patellar fracture.

Background

Patellar fractures are a common clinical injury and their incidence is still increasing year by year. The fracture can be classified into comminuted fracture of patella, fracture of inferior pole or superior pole of patella, transverse fracture, split fracture of longitudinal row, etc. according to the form of fracture line. Most patellar fractures require surgical treatment because of the severe damage suffered by the fractured posterior knee extension device. The basic requirements of surgery are to reduce the broken pieces of the fracture, restore the flatness of the articular surface of the patella, give a strong internal fixation to ensure the healing of the fracture and create mechanical conditions for early activity and functional exercise. The internal fixator applied clinically at present comprises a Kirschner wire tension band, a memory alloy patella claw, a multipurpose locking steel plate and the like.

In the prior art, the application number is 202210409402.1, and the patent name is a pulling type fixed bone fracture treatment patent for treating patella fracture; the utility model patent with the application number of 202011020826. X and the patent name of 'a combined fixing device for the patella distal external joint fracture'; all disclosed is a method for fixing the fracture patella lower pole binding band by using an arc-shaped steel plate. However, when the two steel plates are fixed, the two steel plates are positioned above the patellar ligament, firstly, the soft tissue is affected, secondly, the knee cannot be bent after operation, and the two steel plates are very unfavorable for some patients with religious beliefs needing to lay down and kneel.

Disclosure of Invention

The utility model aims to provide an encircling type steel plate for treating patellar fracture, which aims to solve the problems that when the patellar fracture is treated, the steel plate is positioned above a patellar ligament, influences on soft tissues and the postoperative knee cannot be bent.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a encircle formula steel sheet for treating patella fracture, encircle formula steel sheet is through gram's needle and steel wire hoop in patella lower extreme, patella ligament below position, encircle the steel sheet and divide into integrated into one piece's kink and be located the encircling portion at kink both ends, the width of kink is widened gradually from the centre to the direction at both ends, the maximum width of kink with the width of encircling portion is unanimous, the kink with the internal surface of encircling portion sets up to the indent cambered surface, the kink with evenly be provided with puncture hole and screw hole on the encircling portion.

The further technical scheme is as follows: the number of the screw holes is at least two, and the screw holes are respectively arranged at the end parts of the two encircling parts.

The further technical scheme is as follows: at least two needle penetrating holes are arranged and far away from the narrower part of the bending part.

The further technical scheme is as follows: the diameter of the needle penetrating hole is.mm.

The further technical scheme is as follows: the encircling steel plate has bending plasticity.

The further technical scheme is as follows: the cross sections of the bending part and the encircling part are arc-shaped.

The further technical scheme is as follows: the width of the bending part is mm-mm.

The further technical scheme is as follows: the thickness of the bending part gradually becomes thinner from the middle to the two ends, and the minimum thickness of the bending part is consistent with the thickness of the encircling part.

Compared with the prior art, the utility model has at least one of the following beneficial effects:

the utility model provides an encircling steel plate for treating patella fracture, which is characterized in that a bending part and an encircling part are arranged on the steel plate on the basis of hooping the lower pole of the patella by using a traditional arc-shaped plate, and a doctor can use a narrower bending part to reach the lower pole of the patella and the lower position of a patella ligament during operation instead of installing the steel plate at the upper position of the patella ligament before operation, so that the damage of the steel plate to soft tissues can be greatly reduced, and the bending part and the encircling parts at the two ends of the bending part are used for tightening the fracture part of the patella through the combined action of a Kirschner wire and a steel wire, thereby achieving the purposes of patella fracture treatment and rehabilitation.

Drawings

Fig. 1 is a schematic structural view of an encircling steel plate for treating patellar fracture according to the present utility model.

Fig. 2 is a schematic structural view of the encircling steel plate in fig. 1 according to the present utility model.

Fig. 3 is a schematic view of the structure of fig. 2 from another view angle according to the present utility model.

Fig. 4 is a schematic view of another structure of fig. 2 according to the present utility model.

Reference numerals: 1. a bending part; 2. an encircling part; 3. a concave cambered surface; 4. a needle penetrating hole; 5. screw holes; 6. a k-wire; 7. a steel wire; 8. surrounding type steel plate.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Embodiment one:

in this embodiment, as shown in fig. 1, 2 and 3, an encircling steel plate for treating patella fracture is provided, the encircling steel plate 8 is hooped at the lower pole of the patella and the lower position of the patella ligament by a kirschner wire 6 and a steel wire 7, the encircling steel plate is divided into an integrally formed bending part 1 and encircling parts 2 positioned at two ends of the bending part 1, the width of the bending part 1 gradually widens from the middle to the directions of the two ends, the maximum width of the bending part 1 is consistent with the width of the encircling parts 2, the inner surfaces of the bending part 1 and the encircling parts 2 are provided with concave cambered surfaces 3, and needle through holes 4 and screw holes 5 are uniformly formed in the bending part 1 and the encircling parts 2.

The working process of the utility model is as follows: the surrounding type steel plate 8 is provided with a plurality of screw holes 5 which penetrate through the arc-shaped steel plate from front to back, when the diameter of the patella is large, locking screws can be screwed into each screw hole 5, and the locking screws are respectively nailed into the hip bone, so that the surrounding type steel plate 8 can fix the bone blocks of the lower pole of the patella. After the two Kirschner wires 6 penetrate through the patella, the steel wires 7 are connected with the Kirschner wires 2 and the encircling steel plate 8 and are twisted in an 8 shape, and the corresponding lower segment bone blocks under the patella 4 are tightly attached to the upper segment bone blocks of the patella through the tension and the stress of the steel wires 7 so as to promote the healing of fracture parts.

This encircling formula steel sheet is on the basis of the patella lower extreme with traditional arc staple bolt, set up integrated into one piece's kink and encircling the portion on encircling the body of steel sheet, when performing the art, the doctor can utilize narrower kink to reach the below position of patella lower extreme and patella ligament, replace the preceding steel sheet of top position installation at patella ligament, can greatly reduce the steel sheet like this to soft tissue damage, the combined action of rethread kirschner wire and copper wire, the kink is with the encircling portion at its both ends for tighten up the fracture position of patella, reach patella fracture treatment and recovered purpose.

Preferably, at least two screw holes 5 are provided at the ends of the two encircling parts 2.

Screw hole 5 sets up in the tip of two surrounding portions 2, is the fixed needs of considering plate body intensity and plate body, and surrounding portion 2 is wider, and is great with the contact surface of bone piece, and screw hole 5 is here less to plate body intensity influence, and fixed effect preferred.

Preferably, there are at least two needle holes 4, and away from the narrower portion of the bending portion 1.

The pin penetration holes 4 are prevented from being too close to the narrower part of the bending part 1, and the strength of the plate body is prevented from being influenced.

Preferably, the diameter of the needle-threading aperture 4 is 2.0mm.

The hole diameter of the needle penetration hole 4 cannot be too large, and the strength of the plate body is affected by the large hole.

Preferably, the encircling steel plate has bending plasticity.

During operation, the shape of the encircling steel plate 8 can be subjected to plasticity by using a tool according to the specific condition of a patient, so that the patella can be more adapted.

Preferably, the cross sections of the bending portion 1 and the encircling portion 2 are arranged in an arc shape.

Preferably, the width of the bending part 1 is 4mm-8mm.

The thickness of most of the patellar inferior pole can be substantially satisfied.

Embodiment two:

in the above embodiment, as shown in fig. 4, the thickness of the bending portion 1 gradually decreases from the middle to the two ends, and the minimum thickness of the bending portion 1 is identical to the thickness of the encircling portion 2

The bending part 1 is narrowed, the strength is reduced, the thickness of the bending part 1 is increased, and the strength of the bending part 1 can be effectively improved.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (8)

1. An encircling steel plate for treating patellar fracture, which is characterized in that: surrounding steel plate (8) hoop is in patella lower extreme, patella ligament below position through kirschner wire (6) and copper wire (7), surrounding steel plate divide into integrated into one piece's kink (1) and be located surrounding portion (2) at kink (1) both ends, the width of kink (1) widens gradually from the centre to the direction at both ends, the maximum width of kink (1) with surrounding portion (2) width is unanimous, kink (1) with surrounding portion (2)'s internal surface sets up to indent cambered surface (3), kink (1) with surrounding portion (2) are last evenly to be provided with puncture hole (4) and screw hole (5).

2. An encircling steel plate for treating patellar fracture according to claim 1, wherein: at least two screw holes (5) are respectively arranged at the end parts of the two encircling parts (2).

3. An encircling steel plate for treating patellar fracture according to claim 1, wherein: at least two needle penetrating holes (4) are arranged and far away from the narrower part of the bending part (1).

4. An encircling steel plate for treating patellar fracture according to claim 1, wherein: the diameter of the needle penetrating hole (4) is 2.0mm.

5. An encircling steel plate for treating patellar fracture according to claim 1, wherein: the encircling steel plate has bending plasticity.

6. An encircling steel plate for treating patellar fracture according to claim 1, wherein: the cross sections of the bending part (1) and the encircling part (2) are arc-shaped.

7. An encircling steel plate for treating patellar fracture according to claim 1, wherein: the width of the bending part (1) is 4mm-8mm.

8. An encircling steel plate for treating patellar fracture according to claim 1, wherein: the thickness of the bending part (1) gradually becomes thinner from the middle to the two ends, and the minimum thickness of the bending part (1) is consistent with the thickness of the encircling part (2).

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