CN212382701U

CN212382701U - Detachable vertebral plate rongeur for operation

Info

Publication number: CN212382701U
Application number: CN202020248506.5U
Authority: CN
Inventors: 陶奇祺
Original assignee: Shangshou Jinzhong Operative Instrument Jiangsu Co ltd
Current assignee: Shangshou Jinzhong Operative Instrument Jiangsu Co ltd
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2021-01-22
Anticipated expiration: 2030-03-04

Abstract

The utility model discloses a detachable vertebral plate rongeur for operation in the technical field of medical equipment, aiming at solving the technical problems that the upper jaw rod of the vertebral plate rongeur in the prior art can not be detached and is not convenient to detach. The vertebral plate rongeur is characterized by comprising an upper tong rod, a lower tong rod, a rear handle and a front handle, wherein the upper tong rod is in sliding connection with the lower tong rod along the axial direction of the upper tong rod, the rear handle is fixedly connected with the lower tong rod, and the front handle is hinged with the rear handle; the upper clamp rod is provided with a lateral clamping groove, the rear handle is provided with a disassembling button, and the disassembling button comprises a working clamping groove and a disassembling clamping groove which are continuously distributed along the axial direction of the disassembling button; the top joint of preceding handle is equipped with spacing draw-in groove in side direction draw-in groove, preceding handle orientation dismantles button one side, and work draw-in groove or dismantlement draw-in groove joint are in spacing draw-in groove, and the groove depth of dismantling draw-in groove towards spacing draw-in groove one side is greater than the groove depth of work draw-in groove towards spacing draw-in groove one side.

Description

Detachable vertebral plate rongeur for operation

Technical Field

The utility model relates to a detachable vertebral plate rongeur for operation, which belongs to the technical field of medical instruments.

Background

A vertebral plate rongeur is a surgical instrument used for biting dead bones or trimming bone stumps in spinal surgeries. The upper forceps rod of the existing vertebral plate rongeur is mostly undetachable and is inconvenient to clean and disinfect, and if the vertebral plate rongeur is not thoroughly cleaned and disinfected, secondary infection of a human body can be caused. Although the upper forceps rod of part of the vertebral plate rongeur can be disassembled, the structure is complex, and the disassembling mode is complicated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a detachable vertebral plate rongeur for an operation, which solves the technical problems that an upper clamping bar of the vertebral plate rongeur in the prior art can not be detached and is not convenient to detach.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

a detachable vertebral plate rongeur for operation is characterized by comprising an upper tong rod, a lower tong rod, a rear handle and a front handle, wherein the upper tong rod is connected with the lower tong rod in a sliding manner along the axial direction of the upper tong rod, the rear handle is fixedly connected with the lower tong rod, and the front handle is hinged with the rear handle;

the upper clamp rod is provided with a lateral clamping groove, the rear handle is provided with a disassembling button, and the disassembling button comprises a working clamping groove and a disassembling clamping groove which are continuously distributed along the axial direction of the disassembling button;

the top joint of preceding handle is equipped with spacing draw-in groove in side direction draw-in groove, preceding handle orientation dismantles button one side, and work draw-in groove or dismantlement draw-in groove joint are in spacing draw-in groove, and the groove depth of dismantling draw-in groove towards spacing draw-in groove one side is greater than the groove depth of work draw-in groove towards spacing draw-in groove one side.

Preferably, the top surface of the lower nipper lever is provided with a locking screw in threaded connection with the lower nipper lever, the upper nipper lever is provided with a through groove along the axial direction of the upper nipper lever, and the locking screw penetrates through the through groove of the upper nipper lever and is in sliding connection with the through groove.

Preferably, the working clamping groove or/and the dismounting clamping groove are annular grooves connected end to end.

Preferably, the disassembly button further comprises a limiting piece arranged between the working clamping groove and the disassembly clamping groove, and the limiting piece protrudes from the working clamping groove.

Preferably, the disassembly button further comprises a pressing spring, and the disassembly button is connected with the rear handle through the pressing spring.

Preferably, a support spring is connected between the rear handle and the front handle.

Preferably, the rear handle is integrally formed with the lower jaw lever.

Compared with the prior art, the utility model discloses the beneficial effect who reaches: the utility model discloses the last tong bar of vertebral plate rongeur is equipped with the side direction draw-in groove, and preceding handle top joint is in the side direction draw-in groove to the transmission between realization front handle and the last tong bar is connected. The limit position of the top end of the front handle is limited through the disassembly button, when the working clamping groove of the disassembly button is clamped in the limit clamping groove of the front handle, the vertebral plate rongeur is in a working state, the top end of the front handle and the lateral clamping groove are in a tight abutting state, and the top end of the front handle is prevented from being separated from the lateral clamping groove; when the disassembly clamping groove of the disassembly button is clamped in the limiting clamping groove of the front handle, the vertebral plate rongeur is in a disassembly state, and the top end of the front handle slightly deviates backwards at the moment, so that the pressure between the top end of the front handle and the lateral clamping groove is removed, the top end of the front handle can be separated from the lateral clamping groove, and one-key disassembly is realized. If the locking screw is loosened, the upper clamp rod and the lower clamp rod can be completely separated. The vertebral plate rongeur of the utility model has simple structure and is convenient for quick disassembly.

Drawings

Fig. 1 is a schematic view of an external structure of an embodiment of the present invention;

FIG. 2 is a schematic diagram of the internal structure of the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a disassembly button according to an embodiment of the present invention;

fig. 4 is a schematic structural view of the front handle according to the embodiment of the present invention.

In the figure: 1. an upper nipper rod; 11. a lateral clamping groove; 2. a lower nipper bar; 21. a locking screw; 3. a rear handle; 4. a front handle; 41. a limiting clamping groove; 5. a support spring; 6. disassembling the button; 61. a working card slot; 62. disassembling the clamping groove; 63. a limiting sheet; 64. a pressing spring; 7. and a limiting key.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

It should be noted that, in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention but do not require the present invention to be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. As used in the description of the present invention, the terms "front," "back," "left," "right," "up," "down" and "in" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

The specific embodiment of the utility model provides a surgery is with dismantling vertebral plate rongeur, as shown in fig. 1 and fig. 2, be respectively the utility model discloses the exterior structure and the inner structure schematic diagram of embodiment, including last tong bar 1, lower tong bar 2, back handle 3, front handle 4, supporting spring 5, dismantlement button 6. Wherein, back handle 3 is located the rear end of lower tong pole 2 and rather than integrated into one piece, is favorable to reducing part quantity and reinforcing reliability. Go up tong pole 1 along its axial and 2 sliding connection of lower tong pole, 4 top joints of preceding handle are in the side direction draw-in groove 11 of last tong pole 1, and the middle part and the back handle 3 of preceding handle 4 are articulated, are connected with supporting spring 5 between preceding handle 4 and the back handle 3 for exert the expansion force that acts on between back handle 3 and the preceding handle 4. The top surface of the lower clamp rod 2 is provided with a locking screw 21, the upper clamp rod 1 is provided with a through groove along the axial direction, the locking screw 21 penetrates through the through groove of the upper clamp rod 1 to be in sliding connection with the through groove, and the screw head of the locking screw 21 plays a role in limiting the upper clamp rod 1 in the vertical direction. A limit key 7 is arranged between the upper clamp rod 1 and the lower clamp rod 2, and is composed of a guide groove and a guide block which correspond to each other, so that the axial guiding and limiting effects are achieved. When an operator does not apply external force to operate, the lower parts of the rear handle 3 and the front handle 4 are in an open state, the upper tong rod 1 is located at the right limit position relative to the lower tong rod 2, and at the moment, the tong head of the embodiment of the utility model is opened; when operating personnel held between the fingers and presses back handle 3 and preceding

handle

4, 4 tops of preceding handle drive tong pole 1 and slide left for lower tong pole 2, until the utility model discloses the binding clip pressfitting of embodiment.

Dismantle button 6 and locate the front of back handle 3, it is specifically as shown in fig. 3, be the embodiment the structure schematic diagram of dismantlement button, dismantle button 6 includes pressing spring 64 and along its axial continuous distribution's work draw-in groove 61 and dismantlement draw-in groove 62, dismantle button 6 is connected with back handle 3 through pressing spring 64, work draw-in groove 61 and dismantlement draw-in groove 62 are end to end's ring channel, the groove depth of dismantling draw-in groove 62 is showing the groove depth that is greater than work draw-in groove 61, be equipped with spacing piece 63 between work draw-in groove 61 and the dismantlement draw-in groove 62, spacing piece 63 is showing protruding in work draw-in groove 61. Front handle 4 is equipped with spacing draw-in groove 41 towards dismantling button 6, specifically as shown in fig. 4, is the embodiment of the utility model discloses the structure schematic diagram of front handle. When the embodiment of the utility model provides a be in operating condition, work draw-in groove 61 joint is in spacing draw-in groove 41. When the disassembly is needed, firstly, the rear handle 3 and the front handle 4 are kneaded to ensure that a gap is left between the limiting clamping groove 41 and the working clamping groove 61, and the gap can pass through the limiting sheet 63; then, press and dismantle button 6 to loosen the handle, make and dismantle draw-in groove 62 joint in spacing draw-in groove 41, this moment the embodiment of the utility model provides a be in the dismantlement state. When the handle is completely loosened in a disassembly state, the top end of the front handle 4 slightly deviates backwards relative to the working state, so that the pressure between the top end of the front handle 4 and the lateral clamping groove 11 is relieved, at this time, the top end of the front handle 4 can be separated from the lateral clamping groove 11 only by driving the upper clamp rod 1 to rotate around the locking screw 21 by hands, and the locking screw 21 is continuously unscrewed, so that the complete separation between the upper clamp rod 1 and the lower clamp rod 2 can be realized.

The basic principle of the vertebral plate rongeur of the utility model is as follows: go up tong pole 1 and be equipped with side direction draw-in groove 11, preceding handle 4 top joint is in side direction draw-in groove 11 to realize that the transmission between preceding handle 4 and the last tong pole 1 is connected. The limit position of the top end of the front handle 4 is limited through the disassembly button 6, when the working clamping groove 61 of the disassembly button 6 is clamped in the limit clamping groove 41 of the front handle 4, the vertebral plate rongeur is in a working state, the top end of the front handle 4 is in a tightly abutting state with the lateral clamping groove 11, and the top end of the front handle 4 is prevented from being separated from the lateral clamping groove 11; when the disassembly clamping groove 62 of the disassembly button 6 is clamped in the limiting clamping groove 41 of the front handle 4, the vertebral plate rongeur is in a disassembly state, the top end of the front handle 4 slightly deviates backwards at the moment, so that the pressure between the top end of the front handle 4 and the lateral clamping groove 11 is removed, the top end of the front handle 4 can be separated from the lateral clamping groove 11, and one-key disassembly is realized. If the locking screw 21 is loosened, the upper clamp rod 1 and the lower clamp rod 2 can be completely separated.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims

1. A detachable vertebral plate rongeur for an operation is characterized by comprising an upper tong rod (1), a lower tong rod (2), a rear handle (3) and a front handle (4), wherein the upper tong rod (1) is in sliding connection with the lower tong rod (2) along the axial direction of the upper tong rod, the rear handle (3) is fixedly connected with the lower tong rod (2), and the front handle (4) is hinged with the rear handle (3);

the upper clamp rod (1) is provided with a lateral clamping groove (11), the rear handle (3) is provided with a dismounting button (6), and the dismounting button (6) comprises a working clamping groove (61) and a dismounting clamping groove (62) which are continuously distributed along the axial direction of the dismounting button;

the top joint of preceding handle (4) is in side direction draw-in groove (11), and preceding handle (4) are equipped with spacing draw-in groove (41) towards dismantling button (6) one side, and work draw-in groove (61) or dismantle draw-in groove (62) joint in spacing draw-in groove (41), and the groove depth of dismantling draw-in groove (62) towards spacing draw-in groove (41) one side is greater than the groove depth of work draw-in groove (61) towards spacing draw-in groove (41) one side.

2. The removable vertebral plate rongeur for surgery as claimed in claim 1, wherein the top surface of the lower forceps rod (2) is provided with a locking screw (21) in threaded connection with the lower forceps rod, the upper forceps rod (1) is provided with a through groove along the axial direction of the upper forceps rod, and the locking screw (21) penetrates through the through groove of the upper forceps rod (1) and is in sliding connection with the through groove.

3. The surgically removable vertebral plate rongeur according to claim 1, wherein the working channel (61) or/and the removal channel (62) are annular grooves connected end to end.

4. The surgical detachable vertebral plate rongeur according to claim 1, wherein the detaching button (6) further comprises a limiting piece (63) arranged between the working clamping groove (61) and the detaching clamping groove (62), and the limiting piece (63) protrudes from the working clamping groove (61).

5. The surgically removable laminar rongeur according to claim 1, characterized in that the removal button (6) further comprises a pressing spring (64), the removal button (6) being connected to the rear handle (3) by means of the pressing spring (64).

6. The surgical detachable vertebral plate rongeur according to claim 1, characterized in that a support spring (5) is connected between the rear handle (3) and the front handle (4).

7. The surgically removable vertebral plate rongeur of claim 1, wherein the rear handle (3) is integrally formed with the lower jaw bar (2).