CN219579003U

CN219579003U - Angle-adjustable femur neck fracture hollow screw guider

Info

Publication number: CN219579003U
Application number: CN202223441319.7U
Authority: CN
Inventors: 潘宣任
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-08-25
Anticipated expiration: 2032-12-22

Abstract

The utility model provides a femoral neck fracture hollow screw guider with adjustable angle, which comprises: a bottom plate, a through groove and a supporting plate; the bottom plate is of an arc plate-shaped structure, through grooves are formed in two sides of the bottom plate in a penetrating mode, and anti-skid protruding points are fixedly arranged on the bottom surface of the bottom plate; the support plate is fixedly arranged in the middle of the bottom plate, and the sliding support is fixedly arranged above the support plate; the sliding locking block is arranged in the first sliding groove, the end part of the sleeve bracket is inserted into the sliding locking block through the second sliding groove, and the connecting piece is screwed and installed at the end part of the sleeve bracket; the adjustable femur neck fracture hollow screw guide device has the advantages that the structure is simple, the distance and the angle of the hollow screw guide needle can be adjusted according to different conditions of each patient, the applicability is stronger, the operation and the use are more convenient, and the operation time is saved, so that the problems and the defects in the traditional device are effectively solved.

Description

Angle-adjustable femur neck fracture hollow screw guider

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a femoral neck fracture hollow screw guider with an adjustable angle.

Background

The fracture between the femoral head down to the base of the femoral neck is called a femoral neck fracture. Is a common fracture for the old, the fracture part is always subjected to larger shear stress, the stability of the fracture after reduction or reduction is affected, and the fracture nonunion rate is high.

Three hollow lag screws are used for treating the fracture of the femoral neck, and are widely applied clinically due to good biomechanical stability, so that the method is one of effective methods for treating the fracture of the femoral neck. The technical key is the position, direction and depth of the nail and the space structure formed in the femur neck.

The direction of the hollow screw can not be well controlled by driving the hollow screw by bare hands, and the traditional guide device can control the direction of the guide pin of the hollow screw, but can not well adjust the angle and the distance, thereby being inconvenient to use and greatly prolonging the operation time.

In view of the above, the present utility model provides a femoral neck fracture cannulated screw guide capable of adjusting the angle, which aims to solve the problems and improve the practical value by the technique.

Disclosure of Invention

The utility model aims to provide a femoral neck fracture hollow screw guider with adjustable angle, which solves the problems and the shortcomings in the prior art.

In order to achieve the aim, the utility model provides an angle-adjustable femur neck fracture hollow screw guider, which is achieved by the following specific technical means:

an angle adjustable femoral neck fracture cannulated screw guide comprising: the anti-skid device comprises a bottom plate, a through groove, a supporting plate, a handle, a sliding support, a first sliding groove, a sleeve support, a locking nut, a second sliding groove, a guide sleeve, anti-skid convex points, a connecting piece and a sliding locking block; the bottom plate is of an arc plate-shaped structure, through grooves are formed in two sides of the bottom plate in a penetrating mode, and anti-skid protruding points are fixedly arranged on the bottom surface of the bottom plate; the handle is fixedly arranged at the end part of the bottom plate; the support plate is fixedly arranged in the middle of the bottom plate, and the sliding support is fixedly arranged above the support plate; the sliding locking block is arranged in the first sliding groove, the end part of the sleeve bracket is inserted into the sliding locking block through the second sliding groove, and the connecting piece is screwed and installed at the end part of the sleeve bracket; the locking nut passes through the first sliding groove and is connected with the sliding locking block in a screwed mode; the guide sleeve is inserted and installed in the sleeve bracket.

As a further optimization of the technical scheme, the sleeve bracket of the femur neck fracture hollow screw guider capable of adjusting the angle is of a stepped shaft structure, two circular through holes are formed in the outer wall of the sleeve bracket, and pattern protrusions are arranged on the outer wall of the end part of the sleeve bracket.

As a further optimization of the technical scheme, the sleeve bracket is arranged at four places on the sliding bracket, and the sleeve bracket is a rotary sliding device in the second sliding groove.

As a further optimization of the technical scheme, the angle-adjustable femur neck fracture hollow screw guider is characterized in that the sliding locking block is of a circular-ring-shaped plate structure, and a threaded hole is formed in the outer wall of the sliding locking block.

As a further optimization of the technical scheme, the sliding support of the femoral neck fracture hollow screw guider with the adjustable angle is of an arc-shaped plate structure.

As a further optimization of the technical scheme, the first sliding groove is a rectangular through groove, and two parts of the first sliding groove are symmetrically arranged on the sliding support.

As a further optimization of the technical scheme, the femur neck fracture hollow screw guider with the adjustable angle is characterized in that the connecting piece is of a round columnar structure, and a screw is arranged at the end part of the connecting piece.

As a further optimization of the technical scheme, the angle-adjustable femur neck fracture hollow screw guide device provided by the utility model has the advantages that the anti-skid convex points are of conical structures, and the anti-skid convex points are arranged on the bottom plate at four places

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

1. according to the utility model, the sleeve support is arranged on the sliding support everywhere, the sleeve support is provided with the rotary sliding device in the second sliding groove, and the position and the angle of the guide sleeve can be adjusted according to the fracture position of the femoral neck of each patient through rotary sliding of the sleeve support, so that the position and the angle of the hollow screw are adjusted, the applicability is stronger, the use is more convenient, and the operation time is saved.

2. The sliding locking block is of a circular-ring plate-shaped structure, the outer wall of the sliding locking block is provided with the threaded holes, the sliding locking block is enabled to move upwards by screwing the locking nut, the outer wall of the sleeve bracket is abutted against the sliding locking block, and the sleeve bracket is fixed and convenient to operate.

3. The adjustable femur neck fracture hollow screw guide device has the advantages that the structure is simple, the distance and the angle of the hollow screw guide needle can be adjusted according to different conditions of each patient, the applicability is stronger, the operation and the use are more convenient, and the operation time is saved, so that the problems and the defects in the traditional device are effectively solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a lower view axis measurement structure of the present utility model;

fig. 3 is a schematic view of a sleeve bracket according to the present utility model.

In the figure: the anti-slip device comprises a bottom plate 1, a through groove 2, a supporting plate 3, a handle 4, a sliding support 5, a first sliding groove 6, a sleeve support 7, a locking nut 8, a second sliding groove 9, a guide sleeve 10, an anti-slip convex point 11, a connecting piece 12 and a sliding locking block 13.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

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.

Meanwhile, in the description of the present utility model, unless explicitly stated and defined otherwise, the terms "connected", "connected" and "connected" should be interpreted broadly, and for example, may be fixedly connected, detachably connected, or integrally connected; the mechanical connection and the electrical connection can be adopted; can be directly connected or indirectly connected through an intermediate medium. 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.

Referring to fig. 1 to 3, the present utility model provides a specific technical embodiment of a femoral neck fracture cannulated screw guide with adjustable angle:

an angle adjustable femoral neck fracture cannulated screw guide comprising: the device comprises a bottom plate 1, a through groove 2, a supporting plate 3, a handle 4, a sliding bracket 5, a first sliding groove 6, a sleeve bracket 7, a locking nut 8, a second sliding groove 9, a guide sleeve 10, an anti-skid convex point 11, a connecting piece 12 and a sliding locking block 13; the bottom plate 1 is of an arc plate-shaped structure, the through grooves 2 are formed in the two sides of the bottom plate 1 in a penetrating manner, and the anti-skid convex points 11 are fixedly arranged on the bottom surface of the bottom plate 1; the handle 4 is fixedly arranged at the end part of the bottom plate 1; the support plate 3 is fixedly arranged in the middle of the bottom plate 1, and the sliding bracket 5 is fixedly arranged above the support plate 3; the sliding locking block 13 is arranged in the first sliding groove 6, the end part of the sleeve bracket 7 passes through the second sliding groove 9 to be spliced with the sliding locking block 13, and the connecting piece 12 is screwed and installed at the end part of the sleeve bracket 7; the locking nut 8 passes through the first sliding groove 6 and is connected with the sliding locking block 13 in a screwed mode; the guide sleeve 10 is inserted and installed in the sleeve bracket 7.

Specifically, as shown in fig. 3, the sleeve support 7 has a stepped shaft structure, two circular through holes are formed in the outer wall of the sleeve support 7, pattern protrusions are arranged on the outer wall of the end portion of the sleeve support 7, the distance between the guide sleeves 10 can be adjusted by inserting the different circular through holes, friction is increased by the pattern protrusions, and the sleeve support 7 is convenient to fix.

Specifically, as shown in fig. 1, the sleeve bracket 7 is provided on the sliding bracket 5 in four places, and the sleeve bracket 7 is a rotary sliding device in the second sliding groove 9, and the position and the angle of the guide sleeve 10 can be adjusted according to the fracture position of the femoral neck bone of each patient through the rotary sliding of the sleeve bracket 7, so that the position and the angle of the hollow screw are adjusted, the applicability is stronger, the use is more convenient, and the operation time is saved.

Specifically, as shown in fig. 3, the sliding locking block 13 is in a circular-ring plate-shaped structure, a threaded hole is formed in the outer wall of the sliding locking block 13, the sliding locking block 13 is moved upwards by screwing the locking nut 8, the outer wall of the sleeve bracket 7 is abutted with the sliding locking block 13, and the sleeve bracket 7 is fixed.

Specifically, as shown in fig. 1, the sliding bracket 5 has an arc plate-shaped structure, so that the angle of the sleeve bracket 7 can be conveniently adjusted.

Specifically, as shown in fig. 1, the first sliding groove 6 is a rectangular through groove, and the first sliding groove 6 is symmetrically arranged on the sliding bracket 5 at two positions, so as to facilitate the installation of the sliding locking block 13.

Specifically, as shown in fig. 3, the connecting piece 12 has a circular columnar structure, and a screw is arranged at the end of the connecting piece 12, so that the connecting piece 12 and the sleeve bracket 7 are screwed to facilitate the clamping of the sliding locking block 13 therebetween, and the installation of the sleeve bracket 7 is facilitated.

Specifically, as shown in fig. 2, the anti-skid protruding points 11 are conical structures, and the anti-skid protruding points 11 are arranged on the bottom plate 1 everywhere, so as to play a role in skid resistance.

The specific implementation steps are as follows:

before the use, doctor can be according to the thighbone neck data of preoperative CT measurement patient, sleeve support 7, the guide sleeve 10 of slide bracket 5 below both sides are adjusted to the angle of needs in advance, make things convenient for the intraoperative use, during the use, doctor's hand holds handle 4, laminate bottom plate 1 and femoral stem, antiskid bump 11 plays the antiskid effect, prevent bottom plate 1 slip, doctor adjusts sleeve support 7 on slide bracket 5 upper portion according to patient thighbone neck fracture position, the angle of guide sleeve 10 reaches suitable position, doctor is with hollow screw guide pin through guide sleeve 10 driving into the affected part, take off guide sleeve 10, take off hollow screw director can.

To sum up: according to the angle-adjustable femoral neck fracture hollow screw guider, the sleeve support is arranged at four places on the sliding support, the sleeve support is arranged in the second sliding groove to be a rotary sliding device, and the position and the angle of the guiding sleeve can be adjusted according to the femoral neck fracture position of each patient through rotary sliding of the sleeve support, so that the position and the angle of the hollow screw can be adjusted, the applicability is higher, the use is more convenient, and the operation time is saved; the sliding locking block is of a circular-ring plate-shaped structure, the outer wall of the sliding locking block is provided with a threaded hole, the sliding locking block is enabled to move upwards by screwing the locking nut, the outer wall of the sleeve bracket is abutted with the sliding locking block, and the sleeve bracket is fixed and convenient to operate; the adjustable femur neck fracture hollow screw guide device has the advantages that the structure is simple, the distance and the angle of the hollow screw guide needle can be adjusted according to different conditions of each patient, the applicability is stronger, the operation and the use are more convenient, and the operation time is saved, so that the problems and the defects in the traditional device are effectively solved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An angle adjustable femoral neck fracture cannulated screw guide comprising: the anti-slip device comprises a bottom plate (1), a through groove (2), a supporting plate (3), a handle (4), a sliding support (5), a first sliding groove (6), a sleeve support (7), a lock nut (8), a second sliding groove (9), a guide sleeve (10), anti-slip convex points (11), a connecting piece (12) and a sliding locking block (13); the method is characterized in that: the bottom plate (1) is of an arc plate-shaped structure, the through grooves (2) are formed in the two sides of the bottom plate (1) in a penetrating mode, and the anti-skid protruding points (11) are fixedly arranged on the bottom surface of the bottom plate (1); the handle (4) is fixedly arranged at the end part of the bottom plate (1); the support plate (3) is fixedly arranged in the middle of the bottom plate (1), and the sliding support (5) is fixedly arranged above the support plate (3); the sliding locking block (13) is arranged in the first sliding groove (6), the end part of the sleeve bracket (7) passes through the second sliding groove (9) to be spliced with the sliding locking block (13), and the connecting piece (12) is screwed and installed at the end part of the sleeve bracket (7); the locking nut (8) passes through the first sliding groove (6) to be connected with the sliding locking block (13) in a screwed mode; the guide sleeve (10) is inserted and installed in the sleeve bracket (7).

2. An angle adjustable femoral neck fracture cannulated screw guide as claimed in claim 1, wherein: the sleeve support (7) is of a stepped shaft structure, two round through holes are formed in the outer wall of the sleeve support (7), and pattern protrusions are arranged on the outer wall of the end portion of the sleeve support (7).

3. An angle adjustable femoral neck fracture cannulated screw guide as claimed in claim 1, wherein: the sleeve support (7) is arranged on the sliding support (5) everywhere, and the sleeve support (7) is a rotary sliding device in the second sliding groove (9).

4. An angle adjustable femoral neck fracture cannulated screw guide as claimed in claim 1, wherein: the sliding locking block (13) is of a circular plate-shaped structure, and a threaded hole is formed in the outer wall of the sliding locking block (13).

5. An angle adjustable femoral neck fracture cannulated screw guide as claimed in claim 1, wherein: the sliding support (5) is of an arc-shaped plate structure.

6. An angle adjustable femoral neck fracture cannulated screw guide as claimed in claim 1, wherein: the first sliding grooves (6) are rectangular through grooves, and the first sliding grooves (6) are symmetrically arranged at two positions on the sliding support (5).

7. An angle adjustable femoral neck fracture cannulated screw guide as claimed in claim 1, wherein: the connecting piece (12) is of a round columnar structure, and a screw is arranged at the end part of the connecting piece (12).

8. An angle adjustable femoral neck fracture cannulated screw guide as claimed in claim 1, wherein: the anti-skid convex points (11) are of conical structures, and the anti-skid convex points (11) are arranged on the bottom plate (1) everywhere.