CN211325526U

CN211325526U - Parallel pressurizing forceps

Info

Publication number: CN211325526U
Application number: CN201922418706.0U
Authority: CN
Inventors: 魏会民; 赵光辉; 陈继光
Original assignee: Anyang Shengjie Technology Co ltd
Current assignee: Anyang Shengjie Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-08-25
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a parallel pressurizing clamp, which comprises a left handle and a right handle, wherein the front parts of the left handle and the right handle are hinged into an X shape through a handle shaft, the middle part of the left handle is rotationally connected with a left clamp sheet, the middle part of the right handle is rotationally connected with a right clamp sheet, the left clamp sheet and the right clamp sheet are symmetrically arranged in parallel, the middle parts of the left clamp sheet and the right clamp sheet are respectively provided with a long slotted hole, the heads of the right handle and the left handle are rotationally connected with the long slotted hole through pins, and the heads and the pins of the right handle and the left handle can slide back and forth along the long slotted hole; the front ends of the left clamp piece and the right clamp piece are both provided with bending parts which are bent inwards, the tail ends of the bending parts are provided with U-shaped grooves, and the inner sides of the front ends of the left clamp piece and the right clamp piece are separated by a certain distance. The utility model discloses can effectively the centre gripping block the connective bar of implant nail stick system to the centrum that is connected with the connective bar effectively pressurizes and resets, makes things convenient for the operation to go on.

Description

Parallel pressurizing forceps

Technical Field

The utility model particularly relates to a parallel pressurization pincers, mainly used orthopedics backbone relevant operation belongs to surgery medical instrument technical field.

Background

The common diseases related to the spine clinically comprise degenerative disc diseases, vertebral body fracture or slippage, spinal stenosis, scoliosis and the like, the diseases are usually treated by spine surgery, internal fixation is usually required to be implanted into a diseased part in the surgery, the related vertebral body is generally required to be subjected to parallel distraction or pressurization operation in the surgery process so as to restore the vertebral body, and parallel pressurization pincers are used in the pressurization operation process; the existing pressurizing apparatus has the defects of single function, labor and time waste, unstable and uncontrollable pressurizing effect, insecure forceps taking, easy slippage of clamped objects, influence on the operation sight of the operation and inconvenience for smooth operation.

Disclosure of Invention

Problem to prior art existence, the utility model provides a parallel pressurization pincers, aim at solve to implant connective bar with hold the problem that the centrum can not steadily pressurize and reset firmly.

The technical scheme of the utility model is that: a pair of parallel pressurizing pliers comprises a left handle and a right handle, wherein the front parts of the left handle and the right handle are hinged into an X shape through a handle shaft, a left pliers sheet is rotatably connected to the middle part of the left handle, a right pliers sheet is rotatably connected to the middle part of the right handle, the left pliers sheet and the right pliers sheet are symmetrically arranged in parallel, long slotted holes are formed in the middle parts of the left pliers sheet and the right pliers sheet, the heads of the right handle and the left handle are respectively rotatably connected with the long slotted holes through pins, and the heads and the pins of the right handle and the left handle can slide back and forth along the long slotted holes; the front ends of the left clamp piece and the right clamp piece are both provided with bending parts which are bent inwards, the tail ends of the bending parts are provided with U-shaped grooves, and the inner sides of the front ends of the left clamp piece and the right clamp piece are separated by a certain distance.

Furthermore, a first through groove is formed in the side face from the middle part to the front part of the left handle, the tail part of the left clamp piece is inserted into the first through groove to be rotatably connected with the middle part of the left handle, the front part of the right handle passes through the first through groove to be hinged with the left handle, and the middle part of the right clamp piece provided with the long slotted hole is inserted into the first through groove and is rotatably connected with the head part of the left handle; a second through groove is formed in the side face from the middle to the front of the right handle, the tail of the right clamp piece is inserted into the second through groove to be rotatably connected with the middle of the right handle, and the middle of the left clamp piece provided with the long slotted hole is inserted into the second through groove and is rotatably connected with the head of the right handle.

Furthermore, a left spring piece is fixedly connected to the inner side of the rear part of the left handle, and the left spring piece only has one front free end; the inner side of the rear part of the right handle is fixedly connected with a right spring piece, the right spring piece comprises a front free end and a rear free end, and the front free ends of the left spring piece and the right spring piece are mutually abutted.

Furthermore, an open slot is arranged at the tail end of the left handle, and a latch is arranged in the open slot; the tail end of the right handle is provided with a clamping groove, a locking rack is hinged in the clamping groove, and the hinged end of the locking rack is supported by the rear free end of the right spring piece.

Further, the inner sides of the front ends of the left clamp piece and the right clamp piece are separated by a distance of 60mm in a free state.

Has the advantages that: the utility model compresses the tails of the left and right handles to compress the heads of the left and right handles inwards, drives the left and right clamp pieces to compress and approach inwards in parallel, and can effectively clamp and clamp the connecting rod of the implant nail rod system by utilizing the U-shaped grooves of the bent heads of the left and right clamp pieces, thereby effectively moving and resetting the centrum connected with the connecting rod, and facilitating the operation of the operation; the lock rack, the latch and the spring piece arranged at the tail parts of the left and right handles can effectively control the compression distance of the left and right clamp pieces at the front ends, so that the pressurizing action is stably carried out.

Drawings

Fig. 1 is a plan view of the parallel compression forceps of the present invention.

Fig. 2 is a schematic structural view of the left clamp piece (the upper view is a top view, and the lower view is a side view).

Fig. 3 is a schematic structural view of the right clamp piece (the upper view is a side view, and the lower view is a top view).

Fig. 4 is a schematic view of the left handle structure (the upper view is a side view, and the lower view is a top view).

Fig. 5 is a schematic structural view of the right handle (the upper view is a side view, and the lower view is a top view).

The labels in the figure are: 1 left forceps handle, 2 right forceps handle, 3 handle shafts, 4 lock racks, 11 left forceps blade, 12 left spring blade, 13 first through groove, 14 open groove, 141 latch, 21 right forceps blade, 22 right spring blade, 23 second through groove, 24 clamping groove, 111 slotted hole, 112 bent part, 113U-shaped groove, 121 front free end, 211 slotted hole, 212 bent part, 213U-shaped groove, 221 front free end and 222 rear free end.

Detailed Description

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

As shown in fig. 1, the parallel compression forceps comprise a left handle 1 and a right handle 2, wherein the front parts of the left handle 1 and the right handle 2 are hinged into an X shape through a handle shaft 3; as shown in fig. 4-5, a first through groove 13 is arranged on the side surface from the middle part to the front part of the left handle 1, and the front part of the right handle 2 passes through the first through groove 13 and is hinged with the left handle 1; the middle part of the left handle 1 is rotatably connected with a left clamp piece 12, the tail part of the left clamp piece 12 is inserted into a first through groove 13 to be rotatably connected with the middle part of the left handle, a second through groove 23 is arranged from the middle part to the side surface of the front part of the right handle 2, the middle part of the right handle 2 is rotatably connected with a right clamp piece 21, and the tail part of the right clamp piece 21 is inserted into the second through groove 23 to be rotatably connected with the middle part of the right handle; the left clamp piece 11 and the right clamp piece 21 are symmetrically arranged in parallel; as shown in fig. 2-3, the middle parts of the left nipper blade 11 and the right nipper blade 21 are both provided with long slotted

holes

111 and 211, the middle part of the right nipper blade 21 provided with the long slotted hole 211 is inserted into the first through groove 13 and is rotationally connected with the head part of the left handle 1 through a pin, the middle part of the left nipper blade 11 provided with the long slotted hole 111 is inserted into the second through groove 23 and is rotationally connected with the head part of the right handle 2 through a pin, and the head parts of the right handle and the left handle and the pin can slide back and forth along the long slotted holes; as shown in fig. 1-3, the front ends of the left forceps piece 11 and the right forceps piece 21 are respectively provided with a bending portion 112 and a bending portion 212 which are bent inwards, an included angle between the bending portion and the main body portion is an obtuse angle, in this example, 150 degrees, the tail ends of the

bending portions

112 and 212 are provided with a U-shaped groove 113 and a U-shaped groove 213, the bending portions are designed to facilitate surgical operation, the surgical operation visual field is not affected, and the U-shaped grooves facilitate clamping of a connecting rod in the operation; the distance between the inner sides of the front ends of the left blade 11 and the right blade 21 in the free state is 60 mm.

As shown in fig. 1, a left spring leaf 12 is fixedly connected to the inner side of the rear part of the left handle 1, and the left spring leaf 12 only has a front free end 121; the inner side of the rear part of the right handle 2 is fixedly connected with a right spring piece 22, the right spring piece 22 comprises a front free end 221 and a rear free end 222, and the front free end 121 of the left spring piece and the front free end 221 of the right spring piece are abutted against each other to form outward tension for the left handle and the right handle; as shown in fig. 4, an open slot 14 is provided at the end of the left handle 1, and a latch 141 is provided in the open slot 14; as shown in fig. 5, a clamping groove 24 is formed at the tail end of the right handle 2, a locking rack 4 is hinged in the clamping groove 24, the locking rack is arranged between the left handle and the right handle, the hinged end of the locking rack 4 is supported by the rear free end 222 of the right spring piece, the other end of the locking rack 4 is inserted into the open slot 14, and teeth of the locking rack 4 are in matched clamping connection with the clamping teeth 141 to fix the compression distance.

The motion principle and the use method of the parallel pressurizing forceps are as follows: the back half parts of the left and right handles are held by hands, the left and right spring pieces between the left and right handles are compressed, and the latch locks the lock rack; meanwhile, the middle parts of the left and right handles contract inwards to drive the tails of the left and right clamp pieces to contract inwards, and the heads of the left and right handles slide along the slotted holes to drive the left and right clamp pieces to compress inwards in parallel while sliding. When the device is used, the connecting rod of the implant nail rod system can be effectively clamped and clamped by utilizing the U-shaped grooves of the bent heads of the left and right clamp pieces, the left and right handles are compressed, so that the vertebral bodies connected with the connecting rod are effectively pressurized to reset, the pressurizing action can be stably carried out, the surgical operation is facilitated, and the surgical efficiency is improved.

Finally, it should be noted that: the above description is only a preferred embodiment of the present invention, and those skilled in the art should understand that the equivalent modifications or substitutions made without departing from the spirit of the present invention are still within the protection scope of the present invention.

Claims

1. The utility model provides a parallel pressurization pincers, includes left handle and right handle, its characterized in that: the front parts of the left handle and the right handle are hinged into an X shape through a handle shaft, the middle part of the left handle is rotatably connected with a left clamp sheet, the middle part of the right handle is rotatably connected with a right clamp sheet, the left clamp sheet and the right clamp sheet are symmetrically arranged in parallel, long slotted holes are formed in the middle parts of the left clamp sheet and the right clamp sheet, the heads of the right handle and the left handle are respectively rotatably connected with the long slotted holes through pins, and the heads of the right handle and the left handle and the pins can slide back and forth along the long slotted holes; the front ends of the left clamp piece and the right clamp piece are both provided with bending parts which are bent inwards, the tail ends of the bending parts are provided with U-shaped grooves, and the inner sides of the front ends of the left clamp piece and the right clamp piece are separated by a certain distance.

2. A parallel compression clamp as claimed in claim 1, wherein: a first through groove is formed in the side face from the middle part to the front part of the left handle, the tail part of the left clamp piece is inserted into the first through groove to be rotatably connected with the middle part of the left handle, the front part of the right handle passes through the first through groove to be hinged with the left handle, and the middle part of the right clamp piece provided with the long slotted hole is inserted into the first through groove and is rotatably connected with the head part of the left handle; a second through groove is formed in the side face from the middle to the front of the right handle, the tail of the right clamp piece is inserted into the second through groove to be rotatably connected with the middle of the right handle, and the middle of the left clamp piece provided with the long slotted hole is inserted into the second through groove and is rotatably connected with the head of the right handle.

3. A parallel compression clamp as claimed in claim 1, wherein: the inner side of the rear part of the left handle is fixedly connected with a left spring piece, and the left spring piece only has one front free end; the inner side of the rear part of the right handle is fixedly connected with a right spring piece, the right spring piece comprises a front free end and a rear free end, and the front free ends of the left spring piece and the right spring piece are mutually abutted.

4. A parallel compression clamp as claimed in claim 3, wherein: an open slot is arranged at the tail end of the left handle, and a latch is arranged in the open slot; the tail end of the right handle is provided with a clamping groove, a locking rack is hinged in the clamping groove, and the hinged end of the locking rack is supported by the rear free end of the right spring piece.

5. A parallel compression clamp as claimed in claim 1, wherein: the distance between the inner sides of the front ends of the left clamp piece and the right clamp piece is 60mm in a free state.