Bone knife with scales

Abstract

The utility model relates to the technical field of medical instruments, and discloses an osteotome with scales, which comprises a first fixing plate, a fixing block and a second fixing plate, the bottom of the first fixing plate and the bottom of the second fixing plate are fixedly connected with a fixing frame, a first motor is fixedly connected inside the fixing frame, and an output shaft of the first motor penetrates through a first connecting frame to be fixedly connected with a worm. The two sides of the worm are in meshed connection with worm wheels, the middles of the worm wheels are fixedly sleeved with first fixing shafts, the two ends of the first fixing shafts penetrate through the first connecting frames to be fixedly connected with limiting blocks, first connecting plates are arranged above and below the limiting blocks, the first fixing shafts are fixedly sleeved with the first connecting plates, and second connecting plates are arranged on one sides of the first connecting plates; compared with the prior art, the bone knife has the advantages that the bone knife body and an object needing to be operated can be stably fixed, shaking in the operation process is reduced, the operation is more stable, the operation efficiency is improved, and the operation risk is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a bone knife with scales. Background Art

[0002] In the medical field, bone knives are mainly used in orthopedic surgery. As one of the main surgical tools, they are used to cut, remove, and repair bone tissue, such as fracture reduction surgery, artificial joint replacement, etc. Bone knives are also commonly used in anatomy teaching to dissect and display the human bone structure, helping medical students learn and understand human anatomy knowledge. In addition, in the process of medical research, bone knives are often used in bone experiments on animal models, such as bone ischemia reperfusion experiments, bone healing experiments, etc. Existing ones may not be stable enough during use, especially when performing delicate or complex cutting operations. Slight shaking of the hand may cause inaccurate or unstable cutting, affecting the surgical effect, and the doctor needs to spend more time and energy to ensure the stability and precision of the bone knife when adjusting the bone knife, thereby reducing the efficiency of the operation. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and provides a bone knife with scales.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a bone knife with a scale, comprising a fixing plate 1, a fixing block and a fixing plate 2, the fixing plate 1 and the fixing plate 2 are both fixedly connected to a fixing frame at the bottom, a motor 1 is fixedly connected inside the fixing frame, the output shaft of the motor 1 passes through a connecting frame 1 and is fixedly connected to a worm, both sides of the worm are meshedly connected to worm wheels, a fixing shaft 1 is fixedly sleeved in the middle of the worm wheel, both ends of the fixing shaft 1 pass through a connecting frame 1 and are fixedly connected to a limiting block, a connecting plate 1 is provided above and below the limiting block, the connecting plate 1 is fixedly sleeved on the outside of the fixing shaft 1, a connecting plate 2 is provided on one side of the connecting plate 1, one end of the connecting plate 1 and the connecting plate 2 are rotatably connected to the connecting frame 2 through the fixing shaft 2, one end of the connecting plate 1 away from the connecting frame 2 is rotatably connected to the inside of the connecting frame 1, one end of the connecting frame 2 is fixedly connected to a connecting block, one end of the connecting block is fixedly connected to a fixing clip, and an anti-slip pad is fixedly connected to the inner wall of the fixing clip.

[0005] As a further description of the above technical solution:

[0006] The bottom of the fixed block is fixedly connected to a shell, a slide groove 1 is provided inside the shell, a bone knife body is slidably connected inside the slide groove 1, a fixed column is fixedly sleeved inside one end of the bone knife body, a return spring is fixedly connected to the bottom end of the fixed column, one end of the return spring is fixedly connected to a button, one side of the button is fixedly connected to a connecting plate 3, a slide groove 2 is provided on one side of the fixed column, the connecting plate 3 slides inside the slide groove 2, a limiting groove is provided on one side of the shell, a clamping block is fixedly connected to one end of the connecting plate 3, and one end of the clamping block is located inside the limiting groove.

[0007] As a further description of the above technical solution:

[0008] One side of the fixing plate 1 is fixedly connected with the motor 2, and the output shaft of the motor 2 passes through the fixing plate 1 and is fixedly connected with a threaded rod.

[0009] As a further description of the above technical solution:

[0010] One end of the threaded rod is rotatably connected to the second fixing plate, and the outer thread of the threaded rod is connected to the fixing block.

[0011] As a further description of the above technical solution:

[0012] The connecting plate 1, the connecting plate 2, the fixing shaft 2, the connecting frame 2, the connecting block, the fixing clamp and the anti-skid pad are all provided in multiple groups.

[0013] As a further description of the above technical solution:

[0014] A scale is arranged on one side of the shell away from the limiting groove.

[0015] As a further description of the above technical solution:

[0016] The limiting groove is in the shape of a tooth.

[0017] The utility model has the following beneficial effects:

[0018] 1. In the utility model, the fixing clamp is placed on the object to be fixed, and the motor 1 is started. The motor 1 drives the fixing clamp to swing inward to clamp the fixed object, which can stably fix the bone knife body and the object to be operated, reduce shaking during the operation, make the operation more stable, improve the operation efficiency, and reduce the risk of the operation.

[0019] 2. In the utility model, by pressing the button, the button squeezes the reset spring to store elastic potential energy, and the card block is pushed out from the inside of the limit groove, pushing the bone knife body to a suitable position according to the scale, and releasing the button, the reset spring releases the elastic potential to drive the card block to be stuck in the limit groove to fix the bone knife body, so that the doctor or user can quickly and easily fix and release the bone knife body, which is beneficial to reduce the time of surgical preparation and execution and improve efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a bone knife with scales proposed by the utility model;

[0021] Figure 2 A schematic diagram of the local structure of a bone knife with scales proposed by the utility model Figure 1 ;

[0022] Figure 3 A schematic diagram of the local structure of a bone knife with scales proposed by the utility model Figure 2 ;

[0023] Figure 4 A schematic diagram of the local structure of a bone knife with scales proposed by the utility model Figure 3 ;

[0024] Figure 5 for Figure 2 A magnified schematic diagram of part A;

[0025] Figure 6 for Figure 3 Schematic diagram of the enlarged portion B.

[0026] Legend:

[0027] 1. Fixed plate 1; 2. Fixed frame; 3. Motor 1; 4. Connecting frame 1; 5. Worm; 6. Worm wheel; 7. Fixed shaft 1; 8. Limit block; 9. Connecting plate 1; 10. Connecting plate 2; 11. Fixed shaft 2; 12. Connecting frame 2; 13. Connecting block; 14. Fixed clip; 15. Anti-skid pad; 16. Motor 2; 17. Threaded rod; 18. Fixed block; 19. Housing; 20. Slide 1; 21. Bone knife body; 22. Fixed column; 23. Reset spring; 24. Button; 25. Slide 2; 26. Connecting plate 3; 27. Limit slot; 28. Block; 29. ​​Scale; 30. Fixed plate 2. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Reference Figure 1-Figure 6The utility model provides an embodiment: a bone knife with a scale, including a fixing plate 1, a fixing block 18 and a fixing plate 2 30, the fixing plate 1 and the fixing plate 2 30 are fixedly connected to a fixing frame 2 at the bottom, the fixing frame 2 is fixedly connected to a motor 3, the output shaft of the motor 3 passes through a connecting frame 4 and is fixedly connected to a worm 5, both sides of the worm 5 are meshed and connected to a worm wheel 6, the middle part of the worm wheel 6 is fixedly sleeved with a fixing shaft 7, both ends of the fixing shaft 7 pass through the connecting frame 4 and are fixedly connected to a limiting block 8, the limiting A connecting plate 9 is provided above and below the block 8, and the connecting plate 9 is fixedly sleeved on the outside of the fixed shaft 7. A connecting plate 2 10 is provided on one side of the connecting plate 9. The connecting plate 19 and one end of the connecting plate 2 10 are rotatably connected to a connecting frame 2 12 through a fixed shaft 2 11. The end of the connecting plate 9 away from the connecting frame 2 12 is rotatably connected to the inside of the connecting frame 1 4. One end of the connecting frame 2 12 is fixedly connected to a connecting block 13, one end of the connecting block 13 is fixedly connected to a fixing clamp 14, and the inner wall of the fixing clamp 14 is fixedly connected to an anti-slip pad 15.

[0030] The bottom of the fixed block 18 is fixedly connected to a shell 19, a slide groove 20 is provided inside the shell 19, a bone knife body 21 is slidably connected inside the slide groove 20, a fixed column 22 is fixedly sleeved inside one end of the bone knife body 21, a reset spring 23 is fixedly connected to the bottom end of the fixed column 22, a button 24 is fixedly connected to one end of the reset spring 23, a connecting plate 3 26 is fixedly connected to one side of the button 24, a slide groove 25 is provided on one side of the fixed column 22, and the connecting plate 3 26 slides inside the slide groove 25, a limiting groove 27 is provided on one side of the shell 19, a card block 28 is fixedly connected to one end of the connecting plate 3 26, and one end of the card block 28 is located at Inside the limiting groove 27, one side of the fixing plate 1 is fixedly connected to the motor 2 16, the output shaft of the motor 2 16 passes through the fixing plate 1 and is fixedly connected to the threaded rod 17, one end of the threaded rod 17 is rotatably connected to the fixing plate 2 30, and the outer thread of the threaded rod 17 is connected to the fixing block 18, so that the bone knife body 21 can be more precise during the cutting process. The connecting plate 1 9, the connecting plate 2 10, the fixed shaft 2 11, the connecting frame 2 12, the connecting block 13, the fixing clamp 14 and the anti-slip pad 15 are all provided in multiple groups, and a scale 29 is provided on the side of the outer shell 19 away from the limiting groove 27, which can quickly determine the cutting position, and the limiting groove 27 is tooth-shaped.

[0031] Working principle: place the fixing clamp 14 on the object to be fixed, start the motor 3, the motor 3 drives the worm 5 to rotate, the rotation of the worm 5 drives the worm wheel 6 to rotate, the worm wheel 6 drives the connecting plate 9 to swing inward through the fixed shaft 7, the connecting plate 9 drives the connecting frame 2 12 to swing inward while driving the connecting plate 2 10 to swing inward, the connecting frame 2 12 drives the fixing clamp 14 to swing inward through the connecting block 13 to clamp the fixed object, which can stably fix the bone knife body 21 and the object to be operated, reduce the shaking during the operation, make the operation more stable, improve the operation efficiency, and reduce the operation risk, then press the button 24, the button 24 squeezes the reset spring 23 to store elastic potential energy, and the button 24 drives the connecting plate 3 26 to slide in the slide groove 25 at the same time When the button 24 is released, the block 28 is driven out from the limiting groove 27, and the bone knife body 21 is pushed to a suitable position according to the scale 29. The button 24 is released, and the reset spring 23 releases the elastic potential energy to push the button 24 back to its original position. The button 24 drives the block 28 to be clamped into the limiting groove 27 through the connecting plate 3 26 to fix the bone knife body 21, so that the doctor or user can quickly and easily fix and release the bone knife body 21, which is beneficial to reducing the time of surgical preparation and execution and improving efficiency. Then the motor 2 16 is started, and the motor 2 16 drives the threaded rod 17 to rotate, and the threaded rod 17 drives the fixing block 18 to move, and the fixing block 18 drives the shell 19 to move, and the shell 19 drives the bone knife body 21 to move, so that the bone knife body 21 can run stably, reduce the risk of accidental sliding or displacement, and improve safety.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A bone cutter with scale, comprising a fixing plate 1 (1), a fixing block (18) and a fixing plate 2 (30), characterized in that: The fixing plate 1 (1) and the fixing plate 2 (30) are both fixedly connected to a fixing frame (2) at the bottom, and a motor 1 (3) is fixedly connected inside the fixing frame (2). The output shaft of the motor 1 (3) passes through a connecting frame 1 (4) and is fixedly connected to a worm (5). Both sides of the worm (5) are meshingly connected to a worm wheel (6). A fixing shaft 1 (7) is fixedly sleeved in the middle of the worm wheel (6). Both ends of the fixing shaft 1 (7) pass through a connecting frame 1 (4) and are fixedly connected to a limit block (8). A connecting plate 1 (9) is provided above and below the limit block (8). The connecting plate 1 (9) 9) is fixedly sleeved on the outside of the fixed shaft one (7), a connecting plate two (10) is provided on one side of the connecting plate one (9), one end of the connecting plate one (9) and the connecting plate two (10) are rotatably connected to a connecting frame two (12) through a fixed shaft two (11), one end of the connecting plate one (9) away from the connecting frame two (12) is rotatably connected to the inside of the connecting frame one (4), one end of the connecting frame two (12) is fixedly connected to a connecting block (13), one end of the connecting block (13) is fixedly connected to a fixing clamp (14), and the inner wall of the fixing clamp (14) is fixedly connected to an anti-slip pad (15).

2. The osteotome with scale according to claim 1, characterized in that: The bottom of the fixed block (18) is fixedly connected to a shell (19), a slide groove (20) is provided inside the shell (19), a bone knife body (21) is slidably connected inside the slide groove (20), a fixed column (22) is fixedly sleeved inside one end of the bone knife body (21), a reset spring (23) is fixedly connected to the bottom end of the fixed column (22), one end of the reset spring (23) is fixedly connected to a button (24), one side of the button (24) is fixedly connected to a connecting plate (26), one side of the fixed column (22) is provided with a slide groove (25), the connecting plate (26) slides inside the slide groove (25), one side of the shell (19) is provided with a limiting groove (27), one end of the connecting plate (26) is fixedly connected to a clamping block (28), one end of the clamping block (28) is located inside the limiting groove (27).

3. The osteotome with scale according to claim 1, characterized in that: One side of the fixing plate 1 (1) is fixedly connected to a motor 2 (16), and an output shaft of the motor 2 (16) passes through the fixing plate 1 (1) and is fixedly connected to a threaded rod (17).

4. The osteotome with scale according to claim 3, characterized in that: One end of the threaded rod (17) is rotatably connected to the second fixing plate (30), and the outer surface of the threaded rod (17) is threadedly connected to the fixing block (18).

5. The osteotome with scale according to claim 1, characterized in that: The connecting plate 1 (9), the connecting plate 2 (10), the fixing shaft 2 (11), the connecting frame 2 (12), the connecting block (13), the fixing clamp (14) and the anti-slip pad (15) are all provided in multiple groups.

6. The osteotome with scale according to claim 2, characterized in that: A scale (29) is provided on one side of the housing (19) away from the limiting groove (27).

7. The osteotome with scale according to claim 6, characterized in that: The limiting groove (27) is in the shape of a tooth.

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