CN211325523U

CN211325523U - Reduction forceps with point

Info

Publication number: CN211325523U
Application number: CN201922153456.2U
Authority: CN
Inventors: 陈继光; 赵光辉; 魏会民
Original assignee: Anyang Shengjie Technology Co ltd
Current assignee: Anyang Shengjie Technology Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-08-25
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses a pair of pincers with point reset, which comprises a left pincers slice and a right pincers slice, wherein the left pincers slice and the right pincers slice are hinged together through a cheek shaft screw, each pincers slice comprises a pincers head part and a pincers handle part, the pincers head part and the pincers handle part are respectively bent into an arc in opposite directions, the arcs of the pincers head parts of the left pincers slice and the right pincers slice relatively form a clamping space, and the arcs of the pincers handle parts of the left pincers slice and the right pincers slice relatively form a locking space; the free end of each tong head part is provided with a secondary bending part forming a certain included angle with a plane formed by the two tong handle parts, the tail end of the secondary bending part of the left tong head part is set to be a tip end, and the tail end of the secondary bending part of the right tong head part is set to be a round end; and a locking mechanism is arranged in the locking space. The reduction forceps are convenient and easy to use in the bone reduction operation, safe and efficient, can improve the operation efficiency and relieve the pain of patients.

Description

Reduction forceps with point

Technical Field

The utility model particularly relates to a pair of reduction forceps with a tip, which is mainly applied to fracture reduction operation and belongs to the technology of orthopedic medical instruments.

Background

The fracture reduction operation refers to the operation process of restoring the normal anatomical relationship and position of the fracture part after the fracture and reconstructing the compressed cancellous bone and the bone blocks of the articular surface, and aims to restore the length, alignment and rotation of the bone and ensure that the upper joint and the lower joint are in the normal positions. The fracture reduction forceps is an auxiliary appliance applied in the fracture reduction operation process, and has the function of reducing the fracture part, and when the bone surgery is carried out, a doctor uses the reduction forceps to hold bone fragments so as to fix and reduce the bone. The head of the reduction forceps is usually provided with a pointed end or with a bent pointed end for the surgeon to grip bone fragments, to reduce and temporarily fix them with the reduction forceps for the surgeon to perform subsequent operations. When the fracture reduction forceps in the prior art are used, a backward force is generated at the forceps tip part of the fracture reduction forceps, so that bones embedded in the forceps tip part are easily split, secondary damage is caused, particularly for patients with osteoporosis, because bone matrix is reduced, the strength of a bone body is low, when a sharp corner at the end part of the forceps body is inserted into the bone body too deeply in an operation, unnecessary damage is caused to a bone body, and even accidents such as bone fracture and the like occur; in addition, the fracture reduction forceps in the prior art are not provided with a tensioning device, a doctor needs to hold the handle all the time after clamping and cannot release the handle, and some rack locking devices are exposed outside the forceps handle to cause interference to other operations.

Disclosure of Invention

To the problem that prior art exists, the utility model provides a take point pincers that reset can solve current pincers that reset design unreasonable, use the inconvenient problem of operation.

The technical scheme of the utility model is that: a pair of reset pliers with tips comprises a left pliers piece and a right pliers piece, wherein the left pliers piece and the right pliers piece are hinged together through cheek shaft screws, each pliers piece comprises a pliers head part and a pliers handle part, the pliers head part and the pliers handle parts are respectively bent into arcs in opposite directions, the arcs of the pliers head parts of the left pliers piece and the right pliers piece are opposite to form a clamping space, and the arcs of the pliers handle parts of the left pliers piece and the right pliers piece are opposite to form a locking space; the free end of each tong head part is provided with a secondary bending part forming a certain included angle with a plane formed by the two tong handle parts, the tail end of the secondary bending part of the left tong head part is set to be a tip end, and the tail end of the secondary bending part of the right tong head part is set to be a round end; and a locking device is arranged in the locking space.

Furthermore, the locking device comprises a spring piece, a rack and a locking block; the spring piece and the rack are fixedly arranged on the inner side of the right clamp piece clamp handle part, the fixed end of the spring piece is close to the tail end of the clamp handle part and is fixedly connected with the clamp handle part through a pan head screw, the fixed end of the rack is far away from the tail end of the clamp handle part and is rotatably connected with the clamp handle part through a pin, the rack is arc-shaped, a tooth groove is formed in the arc-shaped inner side of the rack, a sliding pin is arranged at the root of the rack, and the sliding pin is; the free end of the spring piece is provided with an arc-shaped surface, the arc-shaped surface faces the fixed end of the rack, a long slit is formed in the arc-shaped surface, the rack penetrates through the long slit of the spring piece, and a sliding pin of the rack is in sliding contact with the arc-shaped surface of the free end of the spring piece; the locking block is connected to the inner side of the handle part of the left clamp piece in a pin mode through the groove hole, the upper portion of the locking block is a finger pulling part, a rack hole is formed in the middle of the locking block, locking teeth are arranged in the rack hole, and the rack penetrates through the rack hole in the locking block.

Furthermore, the outer side of the forceps handle part is provided with an anti-skidding groove.

Furthermore, the included angle between the plane formed by the secondary bending part and the two forceps handle parts is an obtuse angle.

The utility model has the advantages that: the secondary bending part is formed on the basis of the arc shape of the head part of the reduction forceps, and one is a tip end and the other is a round end, so that the convenience and the safety stability of the reduction forceps are ensured, and the injury to the fracture part of an injured person is greatly reduced; meanwhile, the locking mechanism is arranged on the inner side of the forceps handle, so that interference on other surgical instruments and the body of a patient is avoided, and the operation is not influenced; through the mutual matching of the spring piece, the rack and the locking block, the clamp handle can be locked or loosened, the clamping and the loosening of the fracture part are facilitated, the surgical use is facilitated, and the surgical risk is reduced.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a front view and a top view of the rack.

Fig. 4 is an enlarged view of region I in fig. 3.

FIG. 5 is a front view and a top view of a spring plate.

Fig. 6 is a schematic perspective view of the locking block.

The labels in the figure are: the clamp comprises a right clamp piece 1, a cheek shaft screw 2, a left clamp piece 3, a rack 4, a pin 5, a spring piece 6, a locking block 7, a pan head screw 8, an anti-skid groove 9, a clamping space 10, a round end 11, a secondary bending part 12, a locking space 20, a tip 31, a sliding pin 41, a tooth groove 42, an arc surface 61, a long seam 62, a slot hole 71, a tooth bar hole 72, a locking tooth 73 and a finger pulling part 74.

Detailed Description

The present invention will be described in more detail with reference to the accompanying drawings.

As shown in figure 1, the reduction forceps with the sharp comprise a left forceps piece 3 and a right forceps piece 1, the left forceps piece 3 and the right forceps piece 1 are hinged together through a cheek shaft screw 2, each forceps piece comprises a forceps head portion and a forceps handle portion, the forceps head portions and the forceps handle portions are respectively bent into arcs in opposite directions, the arcs of the forceps head portions of the left forceps piece and the right forceps piece relatively form a clamping space 10 which can be used for clamping bones, the arcs of the forceps handle portions of the left forceps piece and the right forceps piece relatively form a locking space 20 which is used for installing a locking device, and an anti-skidding groove 9 is formed in the outer side of each forceps handle portion to facilitate the hand to hold and prevent slipping.

As shown in fig. 2, a secondary bending part 12 forming a certain included angle with the plane formed by the two handle parts is arranged at the free end of each head part, and the included angle between the secondary bending part 12 and the plane formed by the two handle parts is an obtuse angle; the tail end of the secondary bending part of the left clamp piece head part is set to be a tip 31, and the tail end of the secondary bending part of the right clamp piece head part is set to be a round end 11; the tip 31 is configured to grip the bone and position the bone accurately, and the rounded end 31 reduces trauma to the bone.

As shown in fig. 1, the locking device disposed in the space 20 includes a spring plate 6, a rack 4, and a locking block 7; the spring 6 and the rack 4 are fixedly arranged on the inner side of the handle part of the right clamp piece 1, the fixed end of the spring piece 6 close to the tail end of the handle part is fixedly connected with the handle part through a pan head screw 8, and the tail end of the fixed end of the rack 4 far away from the handle part is rotatably connected with the handle part through a pin 5; as shown in fig. 3-4, the rack 4 is arc-shaped, the inner side of the arc-shaped rack is provided with a row of tooth grooves 42, the root of the rack is provided with a sliding pin 41, and the sliding pin 41 is perpendicular to the side surface of the rack; as shown in fig. 5, the free end of the spring plate 6 is provided with an arc surface 61, the arc surface 61 faces the fixed end of the rack, the arc surface is provided with a long slot 62, the rack 4 passes through the long slot 62 of the spring plate, and the sliding pin 41 of the rack is in sliding contact with the arc surface 61 of the free end of the spring plate; the locking block 7 is pinned on the inner side of the handle part of the left clamp piece through a slotted hole 71, a finger pulling part 74 is arranged at the upper part of the locking block, a rack hole 72 is formed in the middle of the locking block, locking teeth 73 are arranged in the rack hole, the rack 4 penetrates through the rack hole 72 in the locking block, and the locking teeth 73 can clamp or separate from the tooth grooves 42 of the rack.

When the reduction forceps are not used, the spring piece is in a relaxed state; when the forceps are used, the handle parts of the left forceps piece and the right forceps piece are held by hands, so that the left forceps handle and the right forceps handle are separated, the left forceps head and the right forceps head are separated, the spring piece is deformed under the pressure of the sliding pin at the moment, after a bone to be reset is clamped, the finger pulling part of the locking block is pulled, the locking teeth on the locking block clamp the tooth grooves on the rack, the left forceps handle, the right forceps handle and the forceps heads are locked without loosening, and the operation is convenient to carry out; after the resetting operation is completed, the finger pulling part of the locking block is pulled by hands, so that the locking teeth on the locking block are separated from the tooth grooves on the rack, the forceps handle is opened, the forceps head is separated from the bone, and the forceps handle is restored to the initial state under the elastic action of the spring piece.

Therefore, the reduction forceps are convenient and easy to use in the bone reduction operation, safe and efficient, can improve the operation efficiency and relieve the pain of patients.

Claims

1. The utility model provides a take point pincers that reset, includes left pincers piece and right pincers piece, its characterized in that: the left clamp piece and the right clamp piece are hinged together through a cheek shaft screw, each clamp piece comprises a clamp head part and a clamp handle part, the clamp head part and the clamp handle part are respectively bent into arcs in opposite directions, the arcs of the clamp head parts of the left clamp piece and the right clamp piece are opposite to form a clamping space, and the arcs of the clamp handle parts of the left clamp piece and the right clamp piece are opposite to form a locking space; the free end of each tong head part is provided with a secondary bending part forming a certain included angle with a plane formed by the two tong handle parts, the tail end of the secondary bending part of the left tong head part is set to be a tip end, and the tail end of the secondary bending part of the right tong head part is set to be a round end; and a locking device is arranged in the locking space.

2. The reduction forceps with a tip as claimed in claim 1, wherein: the locking device comprises a spring piece, a rack and a locking block; the spring piece and the rack are arranged on the inner side of the right clamp piece clamp handle part, the fixed end of the spring piece is close to the tail end of the clamp handle part and is fixedly connected with the clamp handle part through a pan head screw, the fixed end of the rack is far away from the tail end of the clamp handle part and is rotatably connected with the clamp handle part through a pin, the rack is arc-shaped, a tooth groove is formed in the arc-shaped inner side of the rack, a sliding pin is arranged at the root of the rack, and the sliding pin is; the free end of the spring piece is provided with an arc-shaped surface, the arc-shaped surface faces the fixed end of the rack, a long slit is formed in the arc-shaped surface, the rack penetrates through the long slit of the spring piece, and a sliding pin of the rack is in sliding contact with the arc-shaped surface of the free end of the spring piece; the locking block is connected to the inner side of the handle part of the left clamp piece in a pin mode through the groove hole, the upper portion of the locking block is a finger pulling part, a rack hole is formed in the middle of the locking block, locking teeth are arranged in the rack hole, and the rack penetrates through the rack hole in the locking block.

3. The reduction forceps with a tip as claimed in claim 1, wherein: the outer side of the forceps handle is provided with an anti-skidding groove.

4. The reduction forceps with a tip as claimed in claim 1, wherein: the included angle of the plane formed by the secondary bending part and the two forceps handle parts is an obtuse angle.