CN211484775U

CN211484775U - Gun pliers

Info

Publication number: CN211484775U
Application number: CN201922072892.7U
Authority: CN
Inventors: 夏桂锋; 周跃; 李长青; 任元霞; 汪星星
Original assignee: Chongqing Bosscan Technology Co ltd
Current assignee: Second Affiliated Hospital Army Medical University
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-09-15
Anticipated expiration: 2029-11-27

Abstract

The utility model relates to the technical field of medical equipment, a gun pincers is disclosed, include: go up tong pole, lower tong pole, back handle and preceding handle, go up the pincers tail end of tong pole and connect preceding handle, the tong head end is equipped with back pincers mouth, and the pincers tail end of lower tong pole is connected the back handle, and the tong head end is equipped with preceding pincers mouth, and preceding handle rotationally connects the back handle, go up the respective tong head end of tong pole and lower tong pole and all be the trend of kickup, and the part that goes up the tong pole and be close to the tong head end is the movable rod, and all the other parts are the craspedodrome pole, the movable rod is articulated with the craspedodrome pole, the tong head end of lower tong pole is equipped with the arc track, be equipped with on the movable rod along the gliding slider of arc track. The utility model discloses a rifle pincers are convenient for the interlock to the target at the narrow position of the affected part to the indent.

Description

Gun pliers

Technical Field

The utility model relates to the technical field of medical equipment, in particular to gun pliers.

Background

Gun forceps are also called vertebral plate rongeur, and are a surgical instrument for biting dead bones or trimming bone stumps in spinal surgeries. A conventional gun clamp is shown in fig. 1, and includes: go up tong pole 1, lower tong pole 2, back handle 5 and preceding handle 6, go up tong pole 1's pincers tail end and connect preceding handle 6, the pincers head end is equipped with back pincers mouth 3, the pincers tail end of lower tong pole 2 connects back handle 5, the pincers head end is equipped with preceding pincers mouth 4, preceding handle 6 rotationally connects back handle 5, is equipped with the torsional spring in its pivot, makes preceding handle 6 and back handle 5 keep the detached state (or other enable preceding handle 6 and back handle 5 keep detached elastic construction). The front handle 6 is pinched with force, the front handle 6 pushes the upper clamp rod 1 to move forwards along the track on the lower clamp rod 2, so that the rear clamp mouth 3 moves towards the front clamp mouth 4, and the occlusion is realized. However, the respective forceps heads of the upper forceps rod 1 and the lower forceps rod 2 of the existing gun forceps are linear forceps heads, so that the biting and cutting of the target cannot be completed quickly and effectively when the operation is performed on a narrow part, even the narrow part needs to be expanded (the operation risk is increased), the target 100 (namely, a dead bone or a trimmed bone stump) can be bitten and cut, and particularly, the target 100 shown in fig. 1 needs to be bitten and cut.

SUMMERY OF THE UTILITY MODEL

The utility model provides a gun clamp solves the problem that the gun clamp of prior art can't or hardly interlock the target at the narrow position of the affected part to the indent.

The utility model discloses a gun pliers, include: go up tong pole, lower tong pole, back handle and preceding handle, go up the pincers tail end of tong pole and connect preceding handle, the tong head end is equipped with back pincers mouth, and the pincers tail end of lower tong pole is connected the back handle, and the tong head end is equipped with preceding pincers mouth, and preceding handle rotationally connects the back handle, go up the respective tong head end of tong pole and lower tong pole and all be the trend of kickup, and the part that goes up the tong pole and be close to the tong head end is the movable rod, and all the other parts are the craspedodrome pole, the movable rod is articulated with the craspedodrome pole, the tong head end of lower tong pole is equipped with the arc track, be equipped with on the movable rod along the gliding slider of arc track.

The upper clamp rod and the lower clamp rod are of eccentric structures facing the same direction.

The upper clamp rod and the lower clamp rod are respectively detachably connected with the rear handle and the front handle.

Wherein, still include: the lower tong rod is formed by extending a part of pipe wall which is arranged below the upper position of the connecting pipe and is close to the tong head end forwards, the straight walking rod of the upper tong rod is sleeved in the connecting pipe, the tong tail end of the straight walking rod extends out of the connecting pipe and is provided with a limiting head, a spring is sleeved between the limiting head and the connecting rod on the straight walking rod, the sleeve is connected with the rear handle, the front handle is provided with a push head which is arranged at the tong tail end of the sleeve, the tong tail end of the connecting pipe is provided with a clamping structure, a lock head matched with the clamping structure is arranged in the sleeve, the tong tail end of the connecting pipe is detachably sleeved in the sleeve through the clamping structure and the lock head, and the limiting head of the straight walking rod pushes against the push head.

Wherein, screens structure includes: the clamp comprises a connecting pipe and is characterized in that an annular groove and an annular head are sequentially formed at the tail end of the connecting pipe in the direction from the head end of the clamp to the tail end of the clamp, a strip-shaped notch communicated with the annular groove is formed in the annular head, a clamping opening is further formed in the annular head, and the opening end of the clamping opening is communicated with the annular groove.

Wherein, a hollow hole is arranged on the rear clamp mouth.

The utility model discloses a last tong bar of gun tong is close to the tong bar part of back tong mouth one end and the tong bar part that lower tong bar is close to preceding tong mouth one end all is the trend of kickup, is convenient for the interlock to the target at the narrow position of the internal concavity in affected part.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic diagram of a gun clamp according to the prior art;

FIG. 2 is a schematic structural view of an integrated straight type tong rod gun tong of the present invention;

FIG. 3 is a schematic structural view of an integrated eccentric body javelin according to the present invention;

FIG. 4 is a schematic structural view of a detachable eccentric body javelin according to the present invention;

FIG. 5 is a schematic view of a detachable straight-through tong rod gun tong of the present invention;

FIG. 6 is a schematic view of the gun clamp of FIG. 5 after installation;

FIG. 7 is a cross-sectional view of the gun clamp of FIG. 6 taken along the axis of the connecting tube;

FIG. 8 is an enlarged schematic view of the end of the connection tube of the gun clamp of FIG. 5;

FIG. 9 is an enlarged view of the interior of the casing of the gun clamp of FIG. 7;

fig. 10 is a schematic view of a rear pincer mouth with hollowed-out holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The gun clamp of the present embodiment, as shown in fig. 2 and 3, includes: go up tong pole 1, lower tong pole 2, back handle 5 and preceding handle 6, the pincers tail end of going up tong pole 1 connects front handle 5, and the pincers head end is equipped with back pincers mouth 3, and the pincers tail end of lower tong pole 2 connects back handle 5, and the pincers head end is equipped with preceding pincers mouth 4, and back handle 5 is connected to preceding handle 6 rotationally, for example through the pivot connection or other feasible structures that have the torsional spring. In this embodiment, the respective tong head ends of the upper tong bar 1 and the lower tong bar 2 are both in the trend of bending upward, that is, the upper bent tong head, the tong bar portion of the upper tong bar 1 close to the tong head end is the movable bar 11, the rest portion is the straight bar 12, the movable bar 11 is hinged to the straight bar 12, the tong head end of the lower tong bar 2 is provided with the arc-shaped rail 7, the movable bar 11 is provided with the slider 8 sliding along the arc-shaped rail 7, because the movable bar 11 is hinged to the straight bar 12, the movable bar can move along the arc-shaped rail 7 which is bent upward when the rear tong mouth 3 moves towards the front tong mouth 4, so as to realize the occlusion.

In this embodiment, the head of the gun forceps is bent upward, so that the target 100 can be easily engaged with the narrow portion of the affected part which is recessed inward.

As shown in fig. 3 and 4, the upper forceps rod 1 and the lower forceps rod 2 are both of an eccentric structure facing the same direction, and the eccentric structure can effectively increase the operation space.

As shown in FIGS. 4-9, the upper and lower clamp bars 1 and 2 are detachably connected to the rear and

front handles

5 and 6, respectively. Because in practical application, the width of the front and the rear clamp mouths can be of various types, such as: 1mm, 2mm, 3mm, 4mm, 5mm etc. working length L also designs multiple model and supplies to choose for use, adopt detachable structure can change corresponding last tong pole 1 and lower tong pole 2 at any time according to actual conditions can, need not change whole rifle pincers.

Specifically, as shown in fig. 4 to 9, the gun clamp further includes: a connecting pipe 8 and a sleeve 10, and the lower tong rod 2 is formed by extending forward a part of the pipe wall which is below the upper part of the connecting pipe 8 and is close to the tong head end. Go up straight-going pole 12 cover of tong pole 1 in connecting pipe 8, and the pincers tail end of straight-going pole 12 stretches out connecting pipe 8, and is equipped with spacing head 13, and the cover is equipped with spring 9 between spacing head 13 and the connecting rod 8 on the straight-going pole 12. The sleeve 10 is connected with the rear handle 5, and the front handle 6 is provided with a push head 61 positioned at the tail end of the pliers of the sleeve 10. The tail end of the pliers of the connecting pipe 8 is provided with a clamping structure, a lock head 101 matched with the clamping structure is arranged in the sleeve 10, the tail end of the pliers of the connecting pipe 8 is detachably sleeved in the sleeve 10 through the clamping structure and the lock head 101, and the limiting head 13 of the straight rod 12 abuts against the push head 61. When the pliers are used, the front handle 6 is pinched by a hand, the push head 61 pushes the straight rod 12 forwards, the spring 9 is compressed, the straight rod 12 is pushed forwards, so that the rear pliers mouth 3 and the front pliers mouth 4 are occluded, after the hand is loosened, the spring 9 rebounds, the straight rod 12 retreats, and the rear pliers mouth 3 and the front pliers mouth 4 are loosened.

In this embodiment, the screens structure includes: an annular groove 82 and an annular head 81 which are formed at the caliper tail end of the connecting pipe 8 in sequence along the direction from the caliper head end to the caliper tail end are arranged on the annular head 81, a strip-shaped notch 83 communicated with the annular groove 82 is arranged on the annular head 81, a clamping opening 84 used for accommodating a lock head 101 is further arranged on the annular head 81, and the opening end of the clamping opening 84 is communicated with the annular groove 82. When the locking device is installed, the tail ends of the pliers of the connecting pipe 8 and the straight rod 12 are inserted into the sleeve 10, the strip-shaped notch 83 is aligned with the locking head 101 (alignment marks can be arranged on the pipe wall of the pipe orifice of the sleeve 10 and the tail end of the pliers of the connecting pipe 8), the locking head 101 enters the annular groove 82, then the connecting pipe 8 is rotated, the locking head 101 is aligned with the opening of the clamping port 84, the locking head 101 enters the clamping port 84 under the pushing of the spring 9, and the locking head 101 can be tightly pressed against the clamping port 84 in the axial direction of the connecting pipe 8 due to the pushing force of the spring 9, so that the locking is. When the device is disassembled, the operations are carried out according to the reverse order of the installation.

As shown in fig. 10, the rear clamp mouth 3 is provided with a hollow hole 31, through which the user can see whether the rear clamp mouth is engaged in place by naked eyes, and the hollow hole 31 on the rear clamp mouth 3 is designed to be suitable for both the upper bending clamp head and the linear clamp head.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A gun clamp comprising: go up tong pole, lower tong pole, back handle and preceding handle, go up the pincers tail end of tong pole and connect preceding handle, the tong head end is equipped with back pincers mouth, and the pincers tail end of lower tong pole is connected the back handle, and the tong head end is equipped with preceding pincers mouth, and preceding handle rotationally connects the back handle, its characterized in that, the respective tong head end of going up tong pole and lower tong pole all is the trend of kickup, and the part that goes up the tong pole and be close to the tong head end is the movable rod, and all the other parts are the craspedodrome pole, the movable rod is articulated with the craspedodrome pole, the tong head end of lower tong pole is equipped with the arc track, be equipped with on the movable rod along the gliding slider of arc track.

2. The gun clamp of claim 1, wherein the upper and lower clamp bars are of offset construction in the same direction.

3. The gun clamp of claim 1, wherein the upper and lower clamp bars are removably connected to the rear and front handles, respectively.

4. The gun clamp of claim 3, further comprising: the lower tong rod is formed by extending a part of pipe wall which is arranged below the upper position of the connecting pipe and is close to the tong head end forwards, the straight walking rod of the upper tong rod is sleeved in the connecting pipe, the tong tail end of the straight walking rod extends out of the connecting pipe and is provided with a limiting head, a spring is sleeved between the limiting head and the connecting rod on the straight walking rod, the sleeve is connected with the rear handle, the front handle is provided with a push head which is arranged at the tong tail end of the sleeve, the tong tail end of the connecting pipe is provided with a clamping structure, a lock head matched with the clamping structure is arranged in the sleeve, the tong tail end of the connecting pipe is detachably sleeved in the sleeve through the clamping structure and the lock head, and the limiting head of the straight walking rod pushes against the push head.

5. The gun clamp of claim 4, wherein the detent structure comprises: the annular groove and the annular head are sequentially formed at the clamp tail end of the connecting pipe in the direction from the clamp head end to the clamp tail end, a strip-shaped notch communicated with the annular groove is formed in the annular head, a clamping opening used for accommodating the lock head is further formed in the annular head, and the opening end of the clamping opening is communicated with the annular groove.

6. The gun clamp according to any one of claims 1 to 5, wherein a hollowed hole is formed in the rear clamp mouth.