CN217338796U

CN217338796U - Pliers

Info

Publication number: CN217338796U
Application number: CN202121000117.1U
Authority: CN
Inventors: 任昊旸; 姚陆丰
Original assignee: Ningbo No 6 Hospital
Current assignee: Ningbo No 6 Hospital
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2022-09-02
Anticipated expiration: 2031-05-11

Abstract

The utility model provides a pliers with following structure: comprises a first clamp body and a second clamp body which are symmetrically arranged; the first clamp body comprises a first clamp head, a first connecting part and a first handle, the second clamp body comprises a second clamp head, a second connecting part and a second handle, and the first connecting part is hinged with the second connecting part; the first tong head and the second tong head are both provided with a pressing part; the pressing portion comprises a first clamp tooth and a second clamp tooth, the first clamp tooth extends along the width direction of the first clamp head or the second clamp head, and the second clamp tooth extends along the length direction of the first clamp head or the second clamp head. The pressing portion is set into the first clamp tooth and the second clamp tooth, when the screw clamp is used, the screw is clamped by the second clamp tooth portion on the first clamp head and the second clamp head and rotates, if the screw slides towards the jaw, the screw can be prevented from sliding towards the jaw due to the fact that the extending directions of the first clamp tooth and the second clamp tooth are perpendicular to each other, and therefore the screw is prevented from falling off from the jaw, and pain of a patient is reduced.

Description

Pliers

Technical Field

The utility model relates to a pliers technical field specifically says a pliers.

Background

In daily life, people may fracture due to various accidents, and at this time, fractured bones need to be fixed by operations. In orthopedic surgery, a steel plate and a screw fixing system are generally applied to a fracture, and an internal fixture is generally removed after a patient recovers one year after surgery. In some cases, however, the physician has to be faced with internal fixation removal surgery for 3 years, 5 years, or even more than 10 years after surgery. Due to the erosion of the body to the internal fixed objects and the tight locking between the steel plate screws, the screw breakage and the screw slipping occur at all times, at the moment, a doctor needs to use a clamp to clamp the tail end of the screw, and then the screw is driven to slowly unscrew from the bone.

However, the screw is made of metal and has a smooth surface, and when the screw is clamped and rotated by a medical vice, a needle holder or rongeur, the tail end of the screw is easy to fall off from a jaw, so that the screw is difficult to effectively take out, a doctor has to chisel bone around the screw, drill a hole and take the screw, secondary damage is caused to a patient, and even a fracture risk exists. In addition, the whole operation time is greatly prolonged, the infection risk is increased, and the recovery of the patient is delayed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: overcome above prior art's defect, provide a simple structure, convenient to use and the difficult pliers that drops from keeping silent of screw.

The technical solution of the utility model is to provide a pliers with following structure: comprises a first clamp body and a second clamp body which are symmetrically arranged; the first clamp body comprises a first clamp head, a first connecting part and a first handle, the second clamp body comprises a second clamp head, a second connecting part and a second handle, and the first connecting part is hinged with the second connecting part; the first tong head and the second tong head are respectively provided with a pressing part; the pressing portion comprises a first clamp tooth and a second clamp tooth, the first clamp tooth extends along the width direction of the first clamp head or the second clamp head, and the second clamp tooth extends along the length direction of the first clamp head or the second clamp head.

After the structure more than adopting, the utility model relates to a pliers compares with prior art, has following advantage:

the pressing portion is set into the first clamp tooth and the second clamp tooth, when the screw clamp is used, the screw is clamped by the second clamp tooth portion on the first clamp head and the second clamp head and rotates, if the screw slides towards the jaw, the screw can be prevented from sliding towards the jaw due to the fact that the extending directions of the first clamp tooth and the second clamp tooth are perpendicular to each other, and therefore the screw is prevented from falling off from the jaw, and pain of a patient is reduced.

Preferably, a first magnet is arranged on the inner side of the first handle, and a second magnet is arranged on the second handle corresponding to the first magnet. When a doctor clamps the screw by using the pliers and rotates a certain angle, the pliers need to be taken down to return to the initial position for clamping and rotating again or the hand is changed, the jaws of the pliers are loosened, the screw needs to be clamped by the first pliers teeth of the pressing part again, and the operation is troublesome; the first handle and the second handle are provided with the first magnet and the second magnet which are magnetically attracted, so that the jaw can be kept in a clamping state, the doctor can conveniently change hands, and the operation efficiency is improved.

Preferably, the first magnet is disposed at one end of the first handle close to the first connecting portion, and the second magnet is disposed at one end of the second handle close to the second connecting portion. Therefore, the moment arm of the first magnet and the second magnet can be reduced, and the user can open the jaw conveniently.

Preferably, the inner side of the free end of the first handle is connected with a hanging ring; when the pressing part on the first tong head is attached to the pressing part on the second tong head, the distance between the first handle and the inner side of the second handle is larger than the outer diameter of the hanging ring. When the first binding clip and the second binding clip clamp the screw to rotate, a doctor can insert fingers into the hanging ring, so that the hand changing operation is convenient, and the efficiency is improved.

Preferably, the outer sides of the free ends of the first handle and the second handle are respectively provided with an arc-shaped concave part. The arc-shaped concave part is convenient for medical staff to hold the handle tightly by fingers, so that the slipping is avoided.

Preferably, the pressing part further comprises arc-shaped forceps teeth with openings facing towards the clamped object. The arc-shaped clamp teeth can be used for clamping thicker screws, so that the screws can be better prevented from falling off from the jaw.

Preferably, the first magnet and the second magnet are both made of neodymium iron boron. The magnet that the neodymium iron boron material was made has very strong magnetic force, can reduce the gripping power that needs to a certain extent when cliping the screw, avoids the long-time work of doctor and leads to the hand sour.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the middle clamp head of the present invention.

Fig. 3 is a half-section view of the utility model.

As shown in the figure:

1. the clamp comprises a first clamp head, a second clamp head, a first connecting portion, a first handle, a second connecting portion, a second handle, a second connecting portion, a pressing portion, a first clamp tooth, a second clamp tooth, a first magnet, a second magnet, a hanging ring, a first hanging ring, a second magnet, an arc-shaped concave portion, a second hanging ring, a second magnet, a second hanging ring and a second hanging ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Meanwhile, the terms "first", "second", and the like are only used for distinguishing the names of the components, and have no primary and secondary relationship, so that the present invention is not limited.

As shown in fig. 1, 2 and 3;

the utility model discloses a pliers with following structure: comprises a first clamp body and a second clamp body which are symmetrically arranged; the first plier body comprises a first plier head 1, a first connecting part 2 and a first handle 3 which are sequentially connected, the second plier body comprises a second plier head 4, a second connecting part 5 and a second handle 6 which are sequentially connected, the first connecting part 2 is hinged with the second connecting part 5, and the first plier head 1 and the second plier head 4 are enclosed to form a plier mouth; the inner side walls of the first tong head 1 and the second tong head 4 are both provided with a pressing part 7; the pressing portion 7 comprises a first clamp tooth 8 and a second clamp tooth 9 which are sequentially distributed from the inner end to the outer end of the jaw, the first clamp tooth 8 extends along the width direction of the first clamp head 1 or the second clamp head 4, and the second clamp tooth 9 extends along the length direction of the first clamp head 1 or the second clamp head 4. The pressing portion 7 is arranged to be the first clamp tooth 8 and the second clamp tooth 9, when the screw nail pliers are used, the second clamp tooth 9 on the first clamp head 1 and the second clamp head 4 is clamped by the screw nail and rotates, and if the screw nail slips towards a jaw, the screw nail pliers can be prevented from slipping towards the jaw due to the fact that the extending directions of the first clamp tooth 8 and the second clamp tooth 9 are perpendicular to each other, so that the screw nail pliers are prevented from falling off from the jaw, and pain of a patient is relieved.

The first handle 3 is provided with a first magnet 10 on the inner side, and the second handle 6 is provided with a second magnet 11 at a position corresponding to the first magnet 10. When a doctor clamps the screw by using the pliers and rotates a certain angle, the pliers need to be taken down to return to the initial position for clamping and rotating again, or the operation of changing hands needs to be carried out, both the pliers jaws can be loosened, the screw needs to be clamped by the first pliers teeth 8 of the pressing part 7 again, and the operation is troublesome; the first handle 3 and the second handle 6 are provided with the first magnet 10 and the second magnet 11 which are magnetically attracted with each other, so that the jaw can keep a clamping state, the doctor can conveniently change hands, and the operation efficiency is improved. The first magnet 10 is arranged at one end of the first handle 3 close to the first connecting part 2, and the second magnet 11 is arranged at one end of the second handle 6 close to the second connecting part 5, so that the force arm of the first magnet 10 and the second magnet 11 can be reduced, and the user can open the jaw conveniently.

The inner side of the free end of the first handle 3 is connected with a hanging ring 12; when the pressing part 7 on the first tong head 1 is attached to the pressing part 7 on the second tong head 4, the distance between the inner sides of the first handle 3 and the second handle 6 is larger than the outer diameter of the hanging ring 12. When the first binding clip 1 and the second binding clip 4 clamp the screws to rotate, a doctor can insert fingers into the hanging ring 12, so that the hand changing operation is convenient, and the efficiency is improved. The outside of

first handle

3, 6 free ends of second handle all is equipped with arc concave part 13, and arc concave part 13 is convenient for medical personnel's finger and is held the handle tightly, avoids the slippage.

The pressing part 7 also comprises arc-shaped clamp teeth 14 with openings facing towards the clamped object, and the arc-shaped clamp teeth can be used for clamping thicker screws and can better prevent the screws from falling off from the jaw.

The first magnet 10 and the second magnet 11 are both made of neodymium iron boron. The magnet that neodymium iron boron material made has very strong magnetic force, can reduce the grip strength that needs to a certain extent when cliping the screw, avoids the doctor to work for a long time and leads to the hand sour.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention, therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims

1. A pair of pliers comprises a first pliers body and a second pliers body which are symmetrically arranged; the first pliers body comprises a first pliers head (1), a first connecting part (2) and a first handle (3), the second pliers body comprises a second pliers head (4), a second connecting part (5) and a second handle (6), and the first connecting part (2) is hinged with the second connecting part (5); the method is characterized in that: the first tong head (1) and the second tong head (4) are both provided with a pressing part (7); the pressing portion (7) comprises first clamp teeth (8) and second clamp teeth (9), the first clamp teeth (8) extend along the width direction of the first clamp head (1) or the second clamp head (4), and the second clamp teeth (9) extend along the length direction of the first clamp head (1) or the second clamp head (4).

2. The pair of forceps according to claim 1, wherein: the inner side of the first handle (3) is provided with a first magnet (10), and the position of the second handle (6) corresponding to the first magnet (10) is provided with a second magnet (11).

3. The pair of forceps according to claim 2, wherein: the first magnet (10) is arranged at one end, close to the first connecting portion (2), of the first handle (3), and the second magnet (11) is arranged at one end, close to the second connecting portion (5), of the second handle (6).

4. The pair of forceps according to claim 1, wherein: the inner side of the free end of the first handle (3) is connected with a hanging ring (12); when the pressing part (7) on the first tong head (1) is attached to the pressing part (7) on the second tong head (4), the distance between the first handle (3) and the inner side of the second handle (6) is larger than the outer diameter of the hanging ring (12).

5. The pair of forceps according to claim 1, wherein: the outer sides of the free ends of the first handle (3) and the second handle (6) are respectively provided with an arc-shaped concave part (13).

6. The pair of forceps according to claim 1, wherein: the pressing part (7) further comprises arc-shaped tong teeth (14) with openings facing towards the clamped object.

7. A pair of forceps as claimed in claim 2 or 3, characterized in that: the first magnet (10) and the second magnet (11) are both magnets made of neodymium iron boron materials.