CN218889735U

CN218889735U - Nail extractor for orthopaedics

Info

Publication number: CN218889735U
Application number: CN202222475640.0U
Authority: CN
Inventors: 张蒙; 安恒; 秦婧; 李慈; 刘松洋
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-04-21
Anticipated expiration: 2032-09-19

Abstract

The utility model discloses an orthopaedics nail extractor, which comprises a mounting plate, wherein the upper surface of the mounting plate is penetrated with a rotating rod through a supporting plate, the outer surface of the rotating rod is connected with a clamping plate through a thread sleeve, the lower surface of the mounting plate is fixedly provided with a motor, the output end of the motor is connected with a fixed cylinder through a rotating shaft, the bottom end of the fixed cylinder is movably penetrated with a pressing rod, the bottom end of the pressing rod is fixedly connected with a nail taking tool bit, the pressing rod is connected with a screw through a lower sliding plate, a reinforcing spring and an upper sliding plate, the top wall of the fixed cylinder is rotationally connected with an adjusting screw sleeve, the adjusting screw sleeve is in threaded connection with the screw, the device is convenient to fix through a series of structural settings, the device is prevented from being broken due to incapability of taking nails when the device takes place, the pressure of the reinforcing spring can be adjusted, the nail taking tool bit and a tool bit groove at the top of the steel nails are always in a connected state, and the device is convenient to detach.

Description

Nail extractor for orthopaedics

Technical Field

The utility model relates to the technical field of orthopedic nail extractors, in particular to an orthopedic nail extractor.

Background

Orthopedics is one of the most common departments in various hospitals, and mainly researches the anatomy, physiology and pathology of the skeletal muscle system, and maintains and develops the normal form and function of the system by using medicines, operations and physical methods. With the change of the times and society, the orthopaedics trauma spectrum has obvious change, for example, the diseases such as bone joint tuberculosis, osteomyelitis, poliomyelitis and the like are obviously reduced, and the trauma caused by traffic accidents is obviously increased. The orthopaedics is required to change the spectrum of the orthopaedics.

In fracture surgery, the fracture part is fixed by using steel nails and steel plates, which are common surgical methods in the prior surgery, and the steel nails are implanted into a patient for a period of time and then are taken out. In the process of taking the steel nails, the steel nails are connected with human bones due to the fact that the steel nails exist in a patient for a long time, great difficulty is added to medical staff during taking out, the nail grooves and tissues adjacent to the steel nails are easily damaged by the existing operation nail taking method, the steel nails are easily broken off, fracture parts of the patient are easily damaged again, and great pain is brought to the patient. Accordingly, one skilled in the art would provide an orthopedic staple remover that addresses the problems set forth in the background section above.

Disclosure of Invention

The utility model aims to provide an orthopedic nail extractor which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a nail ware is got to orthopedics, includes the mounting panel, the last fixed surface of mounting panel is connected with the backup pad, the surface rotation of backup pad is interluded there is the bull stick, the surface cover of bull stick is equipped with the thread bush, the one end fixedly connected with grip block of thread bush, the lower fixed surface of mounting panel installs the motor, the output fixedly connected with pivot of motor, the bottom fixedly connected with fixed cylinder of pivot, the bottom activity of fixed cylinder is interluded there is the depression bar, the bottom fixedly connected with of depression bar gets the nail tool bit, the top fixedly connected with lower slide of depression bar, the last fixed surface of lower slide is connected with reinforcing spring, reinforcing spring's top fixedly connected with top slide, the last fixed surface of top slide is connected with the screw rod, the roof of fixed cylinder is rotated and is connected with the regulation swivel nut, regulation swivel nut and screw rod threaded connection.

As a further scheme of the utility model: two sliding grooves are formed in the outer surface of the mounting plate, and the clamping plate is connected with the sliding grooves in a sliding mode.

As still further aspects of the utility model: the grip block is the arc structure setting, just the surface of grip block is equipped with anti-skidding tooth.

As still further aspects of the utility model: the outer surface of the rotating rod is provided with two sections of threads with opposite thread directions, the thread sleeve is in threaded connection with the corresponding threads, and the fluted disc is sleeved on the outer surface of the rotating rod.

As still further aspects of the utility model: the upper surface fixedly connected with connecting seat of mounting panel, the upper surface fixedly connected with handle of connecting seat.

As still further aspects of the utility model: four slots are formed in the lower surface of the fixed cylinder, four plugboards are fixedly connected to the outer surface of the compression bar, and the plugboards are matched with the corresponding slots.

As still further aspects of the utility model: the left side face of the fixed barrel is rotatably inserted with an adjusting rod, the left end of the adjusting rod is fixedly connected with a handle, the right end of the adjusting rod is fixedly sleeved with a driving gear, and the outer surface of the adjusting screw sleeve is fixedly sleeved with a driven gear meshed with the driving gear.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model is convenient for fixing the device and prevents the steel nail from being broken due to incapability of taking the nail caused by position deviation when the device takes the nail.

2. The utility model can adjust the pressure of the reinforcing spring, so that the nail taking cutter head is always in a connected state with the cutter head groove at the top of the steel nail, and the steel nail is convenient to detach.

Drawings

Fig. 1 is a schematic structural view of an orthopedic nail extractor.

Fig. 2 is a schematic view of the internal structure of a fixing cylinder in the orthopedic nail extractor.

Fig. 3 is a schematic view showing the bottom view of the fixing cylinder in the orthopedic nail extractor.

In the figure: 1. a mounting plate; 2. a support plate; 3. a rotating rod; 4. a thread sleeve; 5. a clamping plate; 6. a chute; 7. a thread; 8. fluted disc; 9. a connecting seat; 10. a handle; 11. a motor; 12. a rotating shaft; 13. a fixed cylinder; 14. a compression bar; 15. taking a nail cutter head; 16. inserting plate; 17. a slot; 18. a lower slide plate; 19. a reinforcing spring; 20. an upper slide plate; 21. adjusting the screw sleeve; 22. a screw; 23. an adjusting rod; 24. a drive gear; 25. a driven gear; 26. a handle; 27. anti-slip teeth.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, in an embodiment of the utility model, an orthopedic nail extractor comprises a mounting plate 1, wherein a support plate 2 is fixedly connected to the upper surface of the mounting plate 1, a rotating rod 3 is rotatably inserted on the outer surface of the support plate 2, a threaded sleeve 4 is sleeved on the outer surface of the rotating rod 3, one end of the threaded sleeve 4 is fixedly connected with a clamping plate 5, a motor 11 is fixedly installed on the lower surface of the mounting plate 1, the output end of the motor 11 is fixedly connected with a rotating shaft 12, the bottom end of the rotating shaft 12 is fixedly connected with a fixed cylinder 13, a pressing rod 14 is movably inserted at the bottom end of the fixed cylinder 13, a nail extracting cutter head 15 is fixedly connected to the bottom end of the pressing rod 14, a lower sliding plate 18 is fixedly connected to the top end of the pressing rod 14, a reinforcing spring 19 is fixedly connected to the upper sliding plate 20, a screw 22 is fixedly connected to the upper surface of the upper sliding plate 20, an adjusting screw sleeve 21 is rotatably connected to the top wall of the fixed cylinder 13, and the adjusting screw sleeve 21 is in threaded connection with the screw 22.

Wherein, two spouts 6 have been seted up to the surface of mounting panel 1, grip block 5 and spout 6 sliding connection, grip block 5 is the arc structure setting, and the surface of grip block 5 is equipped with anti-skidding tooth 27, the surface of bull stick 3 is equipped with two sections screw threads 7 opposite in the screw thread direction, and thread bush 4 and corresponding screw thread 7 threaded connection, the surface fixed cover of bull stick 3 is equipped with fluted disc 8, the upper surface fixedly connected with connecting seat 9 of mounting panel 1, the upper surface fixedly connected with handle 10 of connecting seat 9, four slot 17 have been seted up to the lower surface of fixed section of thick bamboo 13, the surface fixedly connected with four picture peg 16 of depression bar 14, picture peg 16 and the looks adaptation of corresponding slot 17, the left surface rotation of fixed section of thick bamboo 13 alternates there is regulation pole 23, the left end fixedly connected with handle 26 of regulation pole 23, the right-hand member fixed cover of regulation pole 23 is equipped with driving gear 24, the surface fixed cover of regulation swivel nut 21 is equipped with the driven gear 25 with driving gear 24 meshing.

The working principle of the utility model is as follows: because the elasticity effect of the reinforcing spring 19, insert the tool bit 15 of getting the nail in the tool bit groove at steel nail top earlier, place mounting panel 1 on patient's bed this moment, through rotating fluted disc 8, make bull stick 3 rotate, can drive two symmetrical thread bush 4 and remove in opposite directions this moment, and then can make two symmetrical grip blocks 5 remove in opposite directions, can extrude with the guard plate of bed both sides, thereby can fix a position, work through motor 11, drive pivot 12 and fixed cylinder 13 and rotate, can drive and get nail tool bit 15 rotation, and then can take out the steel nail, through rotating handle 26, drive regulation pole 23 rotation, cooperation driving gear 24 cooperates with driven gear 25 this moment, make adjusting swivel nut 21 rotate, and then can drive screw 22 rotation, make top slide 20 move down, and then can make reinforcing spring 19 compress after getting the tool bit 15 and inserting the tool bit groove at steel nail top, thereby can adjust the pressure of reinforcing spring 19, make the tool bit 15 of getting nail and steel nail top be in the state of being connected all the time, and convenient dismantlement.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an orthopedics nail extractor, includes mounting panel (1), its characterized in that: the upper surface of mounting panel (1) fixedly connected with backup pad (2), the surface rotation of backup pad (2) is alternated there is bull stick (3), the surface cover of bull stick (3) is equipped with thread bush (4), the one end fixedly connected with grip block (5) of thread bush (4), the lower surface fixed mounting of mounting panel (1) has motor (11), the output fixedly connected with pivot (12) of motor (11), the bottom fixedly connected with fixed cylinder (13) of pivot (12), the bottom activity of fixed cylinder (13) is alternated there is depression bar (14), the screw driver comprises a screw driver body, a screw driver head (15) is fixedly connected to the bottom end of the screw driver body (14), a lower sliding plate (18) is fixedly connected to the top end of the screw driver body (14), a reinforcing spring (19) is fixedly connected to the upper surface of the lower sliding plate (18), an upper sliding plate (20) is fixedly connected to the top end of the reinforcing spring (19), a screw rod (22) is fixedly connected to the upper surface of the upper sliding plate (20), an adjusting screw sleeve (21) is rotatably connected to the top wall of the fixed cylinder (13), and the adjusting screw sleeve (21) is in threaded connection with the screw rod (22).

2. The orthopedic nail extractor according to claim 1, characterized in that two sliding grooves (6) are formed in the outer surface of the mounting plate (1), and the clamping plate (5) is slidably connected with the sliding grooves (6).

3. The orthopedic nail extractor according to claim 1, characterized in that the clamping plate (5) is arranged in an arc-shaped structure, and the outer surface of the clamping plate (5) is provided with anti-slip teeth (27).

4. The orthopedic nail extractor according to claim 1, characterized in that the outer surface of the rotating rod (3) is provided with two threads (7) with opposite thread directions, the thread sleeve (4) is in threaded connection with the corresponding threads (7), and the fluted disc (8) is fixedly sleeved on the outer surface of the rotating rod (3).

5. The orthopedic nail extractor according to claim 1, characterized in that the upper surface of the mounting plate (1) is fixedly connected with a connecting seat (9), and the upper surface of the connecting seat (9) is fixedly connected with a handle (10).

6. The orthopedic nail extractor according to claim 1, characterized in that four slots (17) are formed in the lower surface of the fixing barrel (13), four inserting plates (16) are fixedly connected to the outer surface of the pressing rod (14), and the inserting plates (16) are matched with the corresponding slots (17).

7. The orthopedic nail extractor according to claim 1, characterized in that an adjusting rod (23) is inserted through the left side surface of the fixing barrel (13) in a rotating mode, a handle (26) is fixedly connected to the left end of the adjusting rod (23), a driving gear (24) is fixedly sleeved on the right end of the adjusting rod (23), and a driven gear (25) meshed with the driving gear (24) is fixedly sleeved on the outer surface of the adjusting screw sleeve (21).