CN216060715U

CN216060715U - Nail extractor for orthopedics department

Info

Publication number: CN216060715U
Application number: CN202121940149.XU
Authority: CN
Inventors: 黄振盛; 吴强
Original assignee: Shenzhen Pingshan People's Hospital
Current assignee: Shenzhen Pingshan People's Hospital
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-03-18
Anticipated expiration: 2031-08-18

Abstract

The utility model discloses an orthopedic nail extractor which comprises a base, wherein an arc-shaped fixing frame is arranged above a triangular supporting pad, supporting plates are fixedly arranged on two sides of the base, reciprocating mechanisms used for enabling the arc-shaped fixing frame to move up and down are arranged on the outer side walls of a pair of supporting plates, a plurality of outer bolt holes with uniform sizes are formed in the inner walls above the pair of supporting plates, second movable rods are movably connected above the pair of supporting plates, and a lifting mechanism used for adjusting the height of a nail extracted in an orthopedic operation is movably arranged in one end, located at one end of each supporting plate, of each second movable rod, and provided with an inner bolt hole fixing cavity. Through setting up reciprocating mechanism and connecting bolt, can be according to the fixed affected part that needs were got the nail of patient's actual conditions, guaranteed medical personnel and in the steadiness of getting nail operation in-process, stopped the possibility of disconnected nail, also make simultaneously get a nail section of thick bamboo more have the flexibility in getting nail operation, make things convenient for medical personnel's operation more.

Description

Nail extractor for orthopedics department

Technical Field

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

Background

Orthopedics is one of the most common departments in all hospitals, and mainly studies 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 times and society, the orthopedic injury spectrum has obvious changes, for example, diseases such as osteoarticular tuberculosis, osteomyelitis, poliomyelitis and the like are obviously reduced, and the injuries caused by traffic accidents are obviously increased. The change of the orthopedic injury spectrum requires the orthopedics to be advanced with time.

In the fracture operation, the steel nail and the steel plate are used for fixing the fracture part, which is a common operation method in the existing operation, and the steel nail needs to be taken out after being implanted into the body of a patient for a period of time. In the process of taking the steel nail, the steel nail can be connected with human skeleton due to the fact that the inside of a patient body of the steel nail exists for a long time, great difficulty can be brought to medical staff when the steel nail is taken out, the existing nail taking method for operation easily destroys a nail groove and tissues adjacent to the steel nail of the human body, the steel nail is broken easily, the fracture part of the patient is damaged again easily, and great pain is brought to the patient. Therefore, a new orthopedic nail extractor is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an orthopedic nail extractor.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an orthopedic nail extractor comprises a base, a triangular support pad is fixedly arranged at the middle part above the base, an arc-shaped fixing frame is arranged above the triangular supporting pad, supporting plates are fixedly arranged on two sides of the base, reciprocating mechanisms for enabling the arc-shaped fixing frame to move up and down are arranged on the outer side walls of the supporting plates, a plurality of outer bolt holes with uniform sizes are formed in the inner walls above the supporting plates, a second movable rod is movably connected above the supporting plates, an inner bolt hole is formed in one end, located on the supporting plate, of the second movable rod, the inner bolt hole is positioned inside the supporting plate and corresponds to the outer bolt hole, a fixed cavity is fixedly arranged on the outer side wall of one side of the second movable rod far away from the supporting plate, the inside movable mounting of fixed chamber is used for adjusting the elevating system who gets the nail height in the bone surgery.

Preferably, the reciprocating mechanism comprises supporting plates, rack plates are slidably connected to the outer side walls of the pair of supporting plates, and gears are meshed and connected to the racks of the pair of rack plates.

Preferably, it is a pair of the positive middle department fixed mounting of rack inboard wall has a first movable rod, and is a pair of first movable rod is kept away from one side fixed mounting of rack board has the arc mount.

Preferably, the size of the inner bolt hole corresponds to the size of the outer bolt hole, and the second movable rod is connected in the outer bolt hole and the inner bolt hole corresponding to the outer bolt hole through connecting bolts in a threaded manner.

Preferably, elevating system is including fixed chamber, the positive mid movable mounting in inside of fixed chamber has a nail section of thick bamboo of getting, the inside movable mounting who gets a nail section of thick bamboo has the threaded rod, the top portion fixed mounting of threaded rod has the twist grip, just the outer wall slip of twist grip has cup jointed anti-skidding gum cover.

Preferably, a nail clip is fixedly mounted at the bottom end of the threaded rod.

The utility model has the following beneficial effects:

1. through setting up reciprocating mechanism and arc mount, can be getting in the nail operation, according to the fixed patient's of patient's actual conditions affected part that needs to be got the nail, not only guaranteed medical personnel and getting the steadiness of nail operation in-process, stopped the possibility of disconnected nail, also avoided the patient to receive the secondary damage in getting the nail operation simultaneously.

2. Through setting up connecting bolt, outer bolt hole and interior bolt hole, can come the height in the fixed chamber of nimble regulation according to the actual required condition to make get a nail section of thick bamboo more have the flexibility in getting the nail operation, make things convenient for medical personnel's operation more, also reduced the degree of difficulty of taking out of steel nail simultaneously.

Drawings

FIG. 1 is a schematic sectional front view of an orthopedic nail extractor according to the present invention;

FIG. 2 is a partially enlarged schematic view of FIG. 1;

fig. 3 is a schematic front view of the orthopedic nail extractor provided by the utility model.

In the figure: 1. a base; 2. a triangular support pad; 3. a support plate; 4. a rack plate; 5. a gear; 6. a first movable bar; 7. an arc-shaped fixing frame; 8. an outer bolt hole; 9. an inner bolt hole; 10. a connecting bolt; 11. a second movable bar; 12. a fixed cavity; 13. taking a nail barrel; 14. a threaded rod; 15. nailing and clamping; 16. the handle is rotated.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, an orthopedic nail extractor comprises a base 1, a triangular support pad 2 is fixedly mounted at the middle of the top of the base 1, an arc-shaped fixing frame 7 is arranged above the triangular support pad 2, supporting plates 3 are fixedly mounted on two sides of the base 1, a reciprocating mechanism for moving the arc-shaped fixing frame 7 up and down is mounted on the outer side walls of the supporting plates 3, the reciprocating mechanism comprises the supporting plates 3, rack plates 4 are slidably connected on the outer side walls of the supporting plates 3, and gears 5 are meshed with racks of the rack plates 4. The first movable rod 6 is fixedly mounted at the middle of the inner side walls of the rack plates 4, and the arc-shaped fixed frame 7 is fixedly mounted on one side, away from the rack plates 4, of the first movable rod 6.

A plurality of outer bolt holes 8 with uniform sizes are formed in the inner wall above the pair of supporting plates 3, a second movable rod 11 is movably connected above the pair of supporting plates 3, the second movable rod 11 is located at one end of the supporting plates 3 and is provided with an inner bolt hole 9, the inner bolt hole 9 is located inside the supporting plates 3 and corresponds to the outer bolt hole 8, the size of the inner bolt hole 9 corresponds to the size of the outer bolt hole 8, and the second movable rod 11 is connected with the outer bolt hole 8 and the inner bolt hole 9 corresponding to the outer bolt hole 8 through a connecting bolt 10 in a threaded mode.

The outer side wall of one side of the second movable rods 11 far away from the supporting plate 3 is fixedly provided with a fixed cavity 12, and the inside of the fixed cavity 12 is movably provided with a lifting mechanism for adjusting the nail taking height in the orthopedic operation. The lifting mechanism comprises a fixed cavity 12, a nail taking barrel 13 is movably mounted in the middle inside the fixed cavity 12, a threaded rod 14 is movably mounted inside the nail taking barrel 13, and a nail clamp 15 is fixedly mounted at the bottom end of the threaded rod 14. The top end of the threaded rod 14 is fixedly provided with a rotating handle 16, and the outer wall of the rotating handle 16 is sleeved with an anti-slip rubber sleeve in a sliding manner.

It should be noted that a handle is installed at a central hole of the gear 5 for engaging movement of the rotary gear 5 on the rack plate 4.

In the utility model, when medical staff use the device, the height of the arc-shaped fixing frame 7 is adjusted to fix the affected part of the patient according to the specific condition of the patient. Firstly, the gear 5 is rotated through a handle at the central hole of the gear 5, so that the gear 5 can be meshed with the rack plate 4 to move, the rack plate 4 drives the first movable rod 6 to lift up and down, and when the gear is adjusted to a proper height, the gear 5 stops rotating.

Then, according to the actual situation, the height of the fixing cavity 12 is adjusted to enable the staple removing barrel 13 to reach the most appropriate height in the staple removing operation. The connecting bolt 10 can be screwed, the fixing of the second movable rod 11 and the support plate 3 is cancelled, the inner bolt hole 9 on the second movable rod 11 is matched with the proper outer bolt hole 8 on the support plate 3 according to the self requirement, and the connecting bolt 10 is screwed in, so that the second movable rod 11 and the support plate 3 are fixed.

Finally, the screw rod 14 is driven to rotate through the rotating handle 16, the nail clamp 15 clamps the steel nail, and the steel nail can be smoothly pulled out through slowly rotating in the opposite direction.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The orthopedic nail extractor comprises a base (1) and is characterized in that a triangular support pad (2) is fixedly mounted at the middle of the top of the base (1), an arc-shaped fixing frame (7) is arranged above the triangular support pad (2), support plates (3) are fixedly mounted on two sides of the base (1), a reciprocating mechanism for enabling the arc-shaped fixing frame (7) to move up and down is mounted on the outer side wall of each support plate (3), a plurality of outer bolt holes (8) with uniform sizes are formed in the inner wall above each support plate (3), a second movable rod (11) is movably connected above each support plate (3), the second movable rod (11) is located at one end of each support plate (3) and provided with an inner bolt hole (9), and the inner bolt hole (9) is located inside each support plate (3), and with outer bolt hole (8) are corresponding, it is a pair of second movable rod (11) are kept away from fixed mounting has fixed chamber (12) on the lateral wall of backup pad (3) one side, the inside movable mounting in fixed chamber (12) has and is used for adjusting the elevating system who gets the nail height in the bone surgery.

2. An orthopaedic nail extractor according to claim 1, wherein said reciprocating mechanism comprises a supporting plate (3), a pair of said supporting plates (3) are slidably connected with a rack plate (4) on the outer side wall, and a pair of said rack plates (4) are engaged with a gear (5) on the rack.

3. The orthopedic nail extractor according to claim 2, characterized in that a pair of first movable rods (6) are fixedly mounted at the middle of the inner side wall of the rack plate (4), and an arc-shaped fixed frame (7) is fixedly mounted at one side of the rack plate (4) far away from the first movable rods (6).

4. An orthopaedic nail extractor according to claim 1, wherein the size of the inner bolt hole (9) corresponds to the size of the outer bolt hole (8), and the second movable rod (11) is screwed in the outer bolt hole (8) and the inner bolt hole (9) corresponding to the outer bolt hole (8) by means of a connecting bolt (10).

5. The orthopedic nail extractor according to claim 1, characterized in that the lifting mechanism comprises a fixed cavity (12), a nail extracting barrel (13) is movably mounted in the middle of the inside of the fixed cavity (12), a threaded rod (14) is movably mounted in the inside of the nail extracting barrel (13), a rotating handle (16) is fixedly mounted at the top end of the threaded rod (14), and an anti-slip rubber sleeve is sleeved on the outer wall of the rotating handle (16) in a sliding manner.

6. An orthopaedic nail extractor according to claim 5, wherein the bottom end of the threaded rod (14) is fixedly fitted with a nail clamp (15).