CN210931690U

CN210931690U - Blade locking device for closing knife

Info

Publication number: CN210931690U
Application number: CN201921560530.6U
Authority: CN
Inventors: 叶道明; 张小荣
Original assignee: Sunshine Medical Equipment Co ltd
Current assignee: Sunshine Medical Equipment Co ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-07-07
Anticipated expiration: 2029-09-19

Abstract

The utility model relates to a blade locking device for a closed knife, which comprises a limit boss clamped on a limit groove, wherein the limit boss can be separated from the limit groove, the limit boss is arranged on a wrench, and the wrench is arranged in the inner cavity of a handle through a first fixed shaft; the limiting groove is formed in the push broach trigger, the push broach trigger is installed in the inner cavity of the handle through a second fixing shaft, and the push broach trigger is clamped on the pressing block rod of the central push rod assembly through the trigger pressing block groove; the button is arranged on the left handle and controls the tong head assembly and the cutter bar assembly to be pushed into the handle; the utility model discloses in clinical operation process, when using cold sword cutting, the locking blade makes the utility model discloses have perfect safeguard measure in the aspect of the blade locking, also reduce the probability height of doctor maloperation in operation process, the safety protection is hindered highly.

Description

Blade locking device for closing knife

Technical Field

The utility model relates to a blade locking device for closed sword.

Background

At present, the closing of the large blood vessel in hospitals mainly adopts a closing knife (Legasure) and a hemostatic clamp (hemolok) to treat, and the two methods have advantages and disadvantages respectively.

The defects and shortcomings of the prior art are as follows:

most of the existing closed knives in the market belong to disposable instruments, and when the cold knife cuts, no perfect protection measures are provided for the blade locking aspect, so that the probability of misoperation of a doctor in the operation process is high, and the safety guarantee is low.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a blade locking device for closed sword.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a blade locking device for closed sword, a serial communication port, include: the limiting boss is clamped on the limiting groove and can be separated from the limiting groove, the limiting boss is arranged on the wrench, and the wrench is installed in the inner cavity of the handle through the first fixing shaft; the blade locking device also comprises a limit groove arranged in a push broach trigger, the push broach trigger is arranged in the inner cavity of the handle through a second fixed shaft, and the push broach trigger is clamped on a pressing block rod of the central push rod assembly through a trigger pressing block groove; the blade locking device also comprises a button on the left handle, and the button controls the tong head assembly and the cutter bar assembly to be pushed into the handle.

Preferably, the first fixing shaft is installed in a fixing hole on the right handle.

Preferably, the central push rod assembly is connected with the tong head assembly through a handle cap, and the central push rod assembly is positioned in the inner cavity of the handle.

Preferably, the central push rod assembly further comprises a sliding rafter and a side fixing surface, wherein the sliding rafter is installed in a sliding groove on the right handle, and the side fixing surface is installed in a fixing groove on the right handle.

Preferably, the second fixing shaft is installed in a catch groove of the right handle.

Preferably, the left handle and the right handle constitute the handle.

Preferably, the closing knife further comprises a knife bar assembly, and the knife bar assembly is connected with the tong head assembly through a positioning sleeve in the knife bar assembly.

Preferably, the closing knife further comprises a connecting wire assembly fixedly connected with the handle.

The utility model discloses the beneficial effect who reaches is:

the utility model discloses in clinical operation process, when using cold sword cutting, the locking blade makes the utility model discloses have perfect safeguard measure in the aspect of the blade locking, also reduce the probability height of doctor maloperation in operation process, the safety protection is hindered highly.

When the wrench is in a locking state, the limiting lug boss is separated from the limiting groove, the trigger is in a natural state, and the trigger can be triggered to push the blade to cut tissues; when the wrench is in an unlocked state, the limiting boss is positioned in the limiting groove, the trigger is in a locked state, and the trigger cannot push the blade.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of a closure knife;

FIG. 2 is a cross-sectional view of a closure knife;

FIG. 3 is a schematic view of a closed knife in detail;

FIG. 4 is a schematic view of a closed knife in detail;

FIG. 5 is a cut-away detail view of the closure knife;

FIG. 6 is a schematic view of the handle;

FIG. 7 is a cross-sectional view of the handle;

FIG. 8 is a cut-away detail view of the closure knife;

FIG. 9 is a schematic view of the construction of the center pushrod assembly;

FIG. 10 is a schematic view of the construction of the center pushrod assembly;

FIG. 11 is a schematic structural view of a right handle;

FIG. 12 is a schematic view of the construction of the push-knife trigger;

fig. 13 is a schematic structural view of the wrench.

The pliers head assembly 10, the handle cap 11, the handle 20, the connecting line assembly 30, the cutter bar assembly 40, the locating sleeve 41, the central push rod assembly 50, the sliding rafter 51, the side fixing surface 52, the wrench 60, the first fixing shaft 61, the limiting boss 62, the left handle 70, the button 71, the right handle 80, the sliding groove 81, the fixing groove 82, the clamping groove 83, the fixing hole 84, the push-type broach trigger 90, the trigger pressing groove 91, the second fixing shaft 92 and the limiting groove 93 are shown in the drawing.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1

As shown in fig. 1 to 13, a blade locking device for a closed knife comprises a binding clip assembly 10, a handle cap 11, a handle 20 consisting of a left handle 70 and a right handle 80, a connecting wire assembly 30, and a knife bar assembly 40, wherein the connecting wire assembly 30 is fixedly connected with the handle 20, the knife bar assembly 40 is connected with the binding clip assembly 10 through a positioning sleeve 41 in the knife bar assembly 40, and a button 71 on the left handle 70 controls the binding clip assembly 10 and the knife bar assembly 40 to be pushed into the handles; the blade locking device comprises a limiting boss 62 clamped on a limiting groove 93, the limiting boss 62 can be separated from the limiting groove 93, the limiting boss 62 is arranged on the wrench 60, and the wrench 60 is arranged in the inner cavity of the handle 20 through a first fixing shaft 61; the limiting groove 93 is arranged on the push broach trigger 90, the push broach trigger 90 is installed in the inner cavity of the handle 20 through a second fixed shaft 92, and the push broach trigger 90 is clamped on the press block rod 53 of the central push rod assembly 50 through the trigger press block groove 91.

In this embodiment, the first fixed shaft 61 is mounted in a fixed hole 84 on the right handle 80.

In this embodiment, the center push rod assembly 50 is connected to the bit assembly 10 through the cap 11, the center push rod assembly 50 is located in the inner cavity of the handle 20, the center push rod assembly 50 further includes a sliding rafter 51 and a side fixing surface 52, wherein the sliding rafter 51 is installed in a sliding slot 81 on the right handle 80, and the side fixing surface 52 is installed in a fixing slot 82 on the right handle 80.

In this embodiment, the second fixed shaft 92 is mounted in a catch 83 on the right handle 80.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A blade lockout device for a closure knife, comprising:

the limiting boss is clamped on the limiting groove and can be separated from the limiting groove, the limiting boss is arranged on the wrench, and the wrench is installed in the inner cavity of the handle through the first fixing shaft;

the limiting groove is formed in the push broach trigger, the push broach trigger is installed in the inner cavity of the handle through a second fixing shaft, and the push broach trigger is clamped on the pressing block rod of the central push rod assembly through the trigger pressing block groove;

and the button is arranged on the left handle and controls the tong head assembly and the cutter bar assembly to be pushed into the handle.

2. A blade locking device for a closure knife according to claim 1, wherein: the first fixing shaft is arranged in a fixing hole on the right handle.

3. A blade locking device for a closure knife according to claim 2, wherein: the central push rod assembly is connected with the tong head assembly through a handle cap, and the central push rod assembly is located in the inner cavity of the handle.

4. A blade locking device for a closure knife according to claim 3, wherein: the central push rod assembly further comprises a sliding rafter and a side fixing surface, wherein the sliding rafter is installed in a sliding groove on the right handle, and the side fixing surface is installed in a fixing groove on the right handle.

5. A blade locking device for a closure knife according to claim 1, wherein: the second fixing shaft is arranged in a clamping groove of the right handle.

6. The blade locking apparatus for a closure knife of claim 4, wherein: the left handle and the right handle form the handle.

7. A blade locking arrangement for a closure knife according to any of claims 1 to 6, wherein: the closing knife further comprises a knife bar assembly, and the knife bar assembly is connected with the tong head assembly through a positioning sleeve in the knife bar assembly.

8. The blade locking apparatus for a closure knife of claim 7, wherein: the closing knife further comprises a connecting wire assembly which is fixedly connected with the handle.