Patella claw

Abstract

The utility model discloses a patella claw, which relates to the technical field of medical instruments and comprises a patella claw main body, the patella claw main body comprises a connecting bottom plate, the top of the connecting bottom plate is provided with a connecting column, the top of the connecting column is provided with a limiting top plate, one side of the connecting column is provided with a through groove, and a sliding plate is arranged in the through groove. A limiting ring is arranged above the sliding plate, and a connecting sliding groove is formed in the side face of the limiting ring. According to the patella positioning and clamping device, the sliding plate is rotationally connected into the through groove, so that the angle of the sliding plate and the angle of the fixing claw are conveniently adjusted, the device is suitable for positioning and clamping patella at different angles, limiting connection of the sliding plate is achieved through the arc-shaped connecting block, the extending plate and the limiting plate, the use stability of the sliding plate is improved, and the practicability is high. And a connecting bolt penetrates through a threaded connecting base to be connected with the limiting top plate, so that positioning connection of the sliding plate and the limiting top plate is achieved, and the use convenience of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field, especially a kind of patella claw. BACKGROUND

[0002] Patella is commonly known as knee bone, and patella fracture is a common type of fracture in clinic, for type I patella fracture without displacement or obvious displacement, usually adopt the method of plaster external fixation to treat, but if it is type II, type III patella fracture, i.e.

[0003] The position of the existing patella claw is not convenient to adjust when in use, and the medical staff needs to manually adjust the angle of the entire patella claw to fix the fragmented patella, which is not convenient enough in use, so a patella claw is needed to solve the above problems. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a kind of patella claw, can effectively solve the problem in the background art.

[0005] To achieve the above object, the technical scheme adopted by the utility model is as follows:

[0006] A kind of patella claw, including patella claw main part, the connecting bottom plate is provided with connecting column on the top of the patella claw main part, and the top of connecting column is provided with limiting top plate, one side of the connecting column is provided with through slot, and the inside of through slot is provided with sliding plate, the top of the sliding plate is provided with limiting ring, the side surface of the limiting ring is provided with connecting sliding slot;

[0007] One end of the sliding plate is provided with fixed claw, and the top of the sliding plate is provided with arc-shaped connecting block, the top of the arc-shaped connecting block is provided with extension plate, and the side of the extension plate is provided with limiting plate, the middle of one end of the extension plate is provided with threaded connecting seat, the middle of the threaded connecting seat is provided with connecting bolt, the top of the connecting bolt is provided with positioning hole.

[0008] Preferably, the top of the connecting bottom plate is fixedly connected with connecting column, and the connecting column is located in the middle of the top of the connecting bottom plate, the top of the connecting column is fixedly connected with limiting top plate, and the limiting top plate and the connecting column are arranged in T shape.

[0009] Preferably, a through slot is formed between the limiting top plate and the connecting bottom plate, and a sliding plate is slidably connected in the middle of the through slot, the bottom and top of the sliding plate are slidably connected with the bottom of the limiting top plate and the top of the connecting bottom plate respectively, and the top of the sliding plate is slidably connected with the limiting ring, and the limiting ring is sleeved outside the limiting top plate.

[0010] Preferably, a certain distance is arranged between the limiting ring and the limiting top plate, and a connecting sliding groove is arranged between the limiting ring and the limiting top plate, the connecting sliding groove and the through groove are in communication with each other, and the top of the limiting ring and the top of the limiting top plate are horizontally arranged.

[0011] Preferably, the end of the sliding plate away from the limiting top plate is fixedly connected with a fixed claw, the fixed claw is arranged in an arc shape, the sliding plate has a plurality of sliding plates which are evenly distributed in the inside of the through groove, the end of the sliding plate close to the inside of the through groove is fixedly connected with an arc-shaped connecting block, the arc-shaped connecting block is slidingly connected in the inside of the connecting sliding groove, the top of the arc-shaped connecting block is fixedly connected with an extension plate, and the bottom of the extension plate is in contact with the top of the limiting top plate.

[0012] Preferably, the end of the extension plate away from the limiting top plate is fixedly connected with a limiting plate, the limiting plate is clamped on the top of the limiting ring, the middle of the end of the extension plate away from the limiting plate is fixedly connected with a threaded connecting seat, the middle of the threaded connecting seat is threadedly connected with a connecting bolt, the top of the connecting bolt is fixedly connected with a connecting nut, the bottom end of the connecting bolt is connected with the limiting top plate through the threaded connecting seat, and the top of the limiting top plate is provided with a positioning hole.

[0013] Compared with the prior art, the device has the following beneficial effects:

[0014] In the utility model, the sliding plate is rotatably connected in the inside of the through groove, so that the angle of the sliding plate and the fixed claw is adjusted, the device is suitable for positioning and clamping of the patella at different angles, the arc-shaped connecting block, the extension plate and the limiting plate are arranged to realize the limiting connection of the sliding plate, the use stability of the sliding plate is improved, the connecting bolt is arranged to be connected with the limiting top plate through the threaded connecting seat, so that the positioning connection of the sliding plate and the limiting top plate is realized, and the use convenience of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the first perspective view of the device as a whole;

[0016] Figure 2 is the second perspective view of the device as a whole;

[0017] Figure 3 is a structural schematic view of the patella claw main body;

[0018] Figure 4 is a structural schematic view of the top of the sliding plate.

[0019] In the figure: 1, patella claw main body; 2, connecting bottom plate; 3, connecting column; 4, limiting top plate; 5, through slot; 6, limiting ring; 7, connecting sliding groove; 8, sliding plate; 9, fixed claw; 10, arc-shaped connecting block; 11, extension plate; 12, limiting plate; 13, threaded connecting seat; 14, connecting bolt; 15, positioning hole; 16, connecting nut. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0021] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 3 、 Figure 4 It is shown that a kind of patella claw, including patella claw main body 1, connecting bottom plate 2 is included in patella claw main body 1, the top of connecting bottom plate 2 is provided with connecting column 3, and the top of connecting column 3 is provided with limiting top plate 4, one side of connecting column 3 is provided with through slot 5, and sliding plate 8 is provided in the inside of through slot 5, limiting ring 6 is arranged above sliding plate 8, connecting sliding groove 7 is arranged in the side surface of limiting ring 6, connecting bottom plate 2 is fixedly connected with connecting column 3 on top, and connecting column 3 is located in the middle of the top of connecting bottom plate 2, the top of connecting column 3 is fixedly connected with limiting top plate 4, and limiting top plate 4 and connecting column 3 are arranged in T shape, limiting top plate 4 and connecting bottom plate 2 are provided with through slot 5, and sliding plate 8 is slidably connected in the middle of through slot 5, the bottom and top of sliding plate 8 are slidably connected with the bottom of limiting top plate 4 and the top of connecting bottom plate 2 respectively, and the top of sliding plate 8 is slidably connected with limiting ring 6, limiting ring 6 is sleeved outside limiting top plate 4, limiting ring 6 and limiting top plate 4 are provided with a certain distance, and limiting ring 6 and limiting top plate 4 are provided with connecting sliding groove 7, connecting sliding groove 7 and through slot 5 are communicated with each other, the top of limiting ring 6 and the top of limiting top plate 4 are arranged horizontally;

[0022] One end of the sliding plate 8 is provided with a fixed claw 9, and the top of the sliding plate 8 is provided with an arc-shaped connecting block 10, the top of the arc-shaped connecting block 10 is provided with an extension plate 11, and one side of the extension plate 11 is provided with a limiting plate 12, the middle of one end of the extension plate 11 is provided with a threaded connecting seat 13, the middle of the threaded connecting seat 13 is provided with a connecting bolt 14, the top of the connecting bolt 14 is provided with a positioning hole 15, one end of the sliding plate 8 away from the limiting top plate 4 is fixedly connected with the fixed claw 9, and the fixed claw 9 is arranged in an arc shape, the sliding plate 8 is provided with a plurality of sliding plates 8, which are uniformly distributed in the inside of the through groove 5, one end of the sliding plate 8 close to the inside of the through groove 5 is fixedly connected with the arc-shaped connecting block 10, and the arc-shaped connecting block 10 is slidably connected in the inside of the connecting sliding groove 7, the top of the arc-shaped connecting block 10 is fixedly connected with the extension plate 11, and the bottom of the extension plate 11 is in contact with the top of the limiting top plate 4, one end of the extension plate 11 away from the limiting top plate 4 is fixedly connected with the limiting plate 12, and the limiting plate 12 is clamped on the top of the limiting ring 6, the middle of one end of the extension plate 11 away from the limiting plate 12 is fixedly connected with the threaded connecting seat 13, and the middle of the threaded connecting seat 13 is connected with the connecting bolt 14 through threads, and the top of the connecting bolt 14 is fixedly connected with a connecting nut 16, and the bottom end of the connecting bolt 14 is connected with the limiting top plate 4 through the threaded connecting seat 13, and the top of the limiting top plate 4 is provided with a positioning hole 15, the sliding plate 8 is rotatably connected in the inside of the through groove 5 through the sliding plate 8, so that the angle of the sliding plate 8 and the fixed claw 9 is adjusted, so that the device is suitable for positioning and clamping of the patella at different angles, the limiting connection of the sliding plate 8 is realized through the arc-shaped connecting block 10, the extension plate 11 and the limiting plate 12, the use stability of the sliding plate 8 is improved, the connecting bolt 14 is connected with the limiting top plate 4 through the threaded connecting seat 13, so that the positioning connection of the sliding plate 8 and the limiting top plate 4 is realized, and the use convenience of the device is improved.

[0023] It should be noted that the utility model is a kind of patella claw, when using, connecting bottom plate 2 is placed in the position needed, manually bend the angle needed of fixed claw 9, rotate sliding plate 8, make sliding plate 8 follow through groove 5 and slide, the top and bottom of sliding plate 8 are respectively in contact with limiting top plate 4 and connecting bottom plate 2, to realize the limiting connection of sliding plate 8, after adjusting to the angle suitable, connecting bolt 14 is inserted in the thread groove in the middle of threaded connecting seat 13, rotating connecting nut 16 drives connecting bolt 14 to rotate, make connecting bolt 14 pass through threaded connecting seat 13 and be connected to the positioning hole 15 in the top of limiting top plate 4, to realize the positioning connection of extension plate 11 and limiting top plate 4, other sliding plate 8 is fixed in turn, it is convenient to position at different angles, wherein the top of sliding plate 8 is fixedly connected with arc-shaped connecting block 10, arc-shaped connecting block 10 is slidably connected between limiting top plate 4 and limiting ring 6, to realize the limiting connection of sliding plate 8 and limiting ring 6, improve the use stability of the device.

[0024] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A patella claw comprising a patella claw body (1), characterized in that: The patella claw body (1) comprises a connecting bottom plate (2), the top of the connecting bottom plate (2) is provided with a connecting column (3), and the top of the connecting column (3) is provided with a limiting top plate (4), one side of the connecting column (3) is provided with a through slot (5), and the inside of the through slot (5) is provided with a sliding plate (8), the top of the sliding plate (8) is provided with a limiting ring (6), and the side of the limiting ring (6) is provided with a connecting sliding groove (7). One end of the sliding plate (8) is provided with a fixed claw (9), and the top of the sliding plate (8) is provided with an arc-shaped connecting block (10), the top of the arc-shaped connecting block (10) is provided with an extension plate (11), one side of the extension plate (11) is provided with a limiting plate (12), the middle of one end of the extension plate (11) is provided with a threaded connecting seat (13), the middle of the threaded connecting seat (13) is provided with a connecting bolt (14), and the top of the connecting bolt (14) is provided with a positioning hole (15).

2. The patellar pick of claim 1, wherein: The top of the connecting bottom plate (2) is fixedly connected with the connecting column (3), and the connecting column (3) is located in the middle of the top of the connecting bottom plate (2), and the top of the connecting column (3) is fixedly connected with the limiting top plate (4), and the limiting top plate (4) and the connecting column (3) are arranged in a T shape.

3. The patellar pick of claim 2, wherein: The limiting top plate (4) and the connecting bottom plate (2) are provided with a through slot (5), and the middle of the through slot (5) is slidably connected with a sliding plate (8), the bottom and the top of the sliding plate (8) are slidably connected with the bottom of the limiting top plate (4) and the top of the connecting bottom plate (2) respectively, and the top of the sliding plate (8) is slidably connected with a limiting ring (6), and the limiting ring (6) is sleeved outside the limiting top plate (4).

4. The patella pick of claim 3 wherein: The limiting ring (6) and the limiting top plate (4) are provided with a connecting sliding groove (7), the connecting sliding groove (7) and the through slot (5) are in communication with each other, and the top of the limiting ring (6) and the top of the limiting top plate (4) are arranged horizontally.

5. The patella pick of claim 1 wherein: One end of the sliding plate (8) away from the limiting top plate (4) is fixedly connected with a fixed claw (9), and the fixed claw (9) is arranged in an arc shape, the sliding plate (8) has a plurality of sliding plates (8) which are evenly distributed in the inside of the through slot (5), one end of the sliding plate (8) close to the inside of the through slot (5) is fixedly connected with an arc-shaped connecting block (10), and the arc-shaped connecting block (10) is slidably connected in the inside of the connecting sliding groove (7), the top of the arc-shaped connecting block (10) is fixedly connected with an extension plate (11), and the bottom of the extension plate (11) is in contact with the top of the limiting top plate (4).

6. The patellar pick of claim 5, wherein: The end of the extension plate (11) away from the limiting top plate (4) is fixedly connected with a limiting plate (12), and the limiting plate (12) is clamped on the top of the limiting ring (6), the middle of the end of the extension plate (11) away from the limiting plate (12) is fixedly connected with a threaded connecting seat (13), and the middle of the threaded connecting seat (13) is connected with a connecting bolt (14) through threads, and the top of the connecting bolt (14) is fixedly connected with a connecting nut (16), the bottom end of the connecting bolt (14) is connected with the limiting top plate (4) through the threaded connecting seat (13), and the top of the limiting top plate (4) is provided with a positioning hole (15).

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