CN210749349U - Secondary-firing prevention safety device for disposable endoscope cutting anastomat - Google Patents
Secondary-firing prevention safety device for disposable endoscope cutting anastomat Download PDFInfo
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- CN210749349U CN210749349U CN201921207656.5U CN201921207656U CN210749349U CN 210749349 U CN210749349 U CN 210749349U CN 201921207656 U CN201921207656 U CN 201921207656U CN 210749349 U CN210749349 U CN 210749349U
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- prevention safety
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- safety block
- triggering prevention
- rubber tube
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Abstract
The utility model discloses a prevent secondary firing safeties for disposable chamber mirror cutting anastomat, include: the rubber pipe fitting is connected with the bearing platform, a foundation block and a secondary triggering prevention safety block are arranged in the rubber pipe fitting, the secondary triggering prevention safety block is installed on the foundation block through a positioning pin, a rubber pipe convex rib is arranged on the outer side of the secondary triggering prevention safety block, a torsion spring is wound on the positioning pin, one end of the torsion spring is abutted against the foundation block, and the other end of the torsion spring is penetrated into a positioning groove of the secondary triggering prevention safety block and applies outward pressure to the secondary triggering prevention safety block to enable the secondary triggering prevention safety block to be abutted against the rubber pipe convex rib; the outside of the rubber tube convex rib is provided with a limit boss, and after the anastomat finishes triggering, the secondary triggering prevention safety block is prevented from abutting against the limit groove at the rear end part of the limit boss when entering an effective state. The utility model discloses simple structure, convenient to use can effectively prevent the anastomat secondary percussion that leads to because of the maloperation.
Description
Technical Field
The utility model relates to a technical field of disposable chamber mirror anastomat especially relates to a prevent secondary firing safeties for disposable chamber mirror cutting anastomat.
Background
The cutting anastomat is widely applied to one of instruments of minimally invasive surgery and is mainly used for cutting, crossing and inosculating tissues in open type surgeries of abdominal surgery, gynecology, pediatrics and thoracic surgery, but after the existing linear cutting anastomat is fired, a safety device is not arranged, so that medical staff cannot be effectively prevented from not knowing that the anastomat is used, the risk that the tissues are cut by a cutter and cannot be sutured exists during reuse, and the operation failure is caused by the conditions of misoperation and the like easily.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problem of providing a secondary triggering prevention safety device of a disposable endoscope cutting anastomat, which has simple structure and can effectively prevent secondary triggering.
In order to solve the technical problem, the utility model discloses a technical scheme be: a secondary firing prevention safety device for a disposable endoscopic cutting stapler, comprising: the rubber pipe fitting is connected with the bearing platform, a foundation block and a secondary triggering prevention safety block are arranged in the rubber pipe fitting, the foundation block can move back and forth along the axial direction of the rubber pipe fitting, the secondary triggering prevention safety block is installed on the foundation block through a positioning pin, rubber pipe convex ribs are arranged on the outer side of the secondary triggering prevention safety block, a torsion spring is wound on the positioning pin, one end of the torsion spring abuts against the foundation block, and the other end of the torsion spring penetrates through the positioning groove of the secondary triggering prevention safety block and applies outward pressure to the secondary triggering prevention safety block to enable the secondary triggering prevention safety block to abut against the rubber pipe convex ribs; the outside of the rubber tube convex rib is provided with a limit boss, and after the anastomat finishes triggering, the secondary triggering prevention safety block is prevented from entering the effective state and is abutted in a limit groove at the rear end part of the limit boss.
In a preferred embodiment of the present invention, the limiting projection is composed of a guiding step at the front end and a limiting step at the rear end, and the limiting step is recessed inwards to form a limiting groove.
In a preferred embodiment of the present invention, the rubber tube rib is disposed in parallel with the central axis of the rubber tube.
In a preferred embodiment of the present invention, a horizontal groove is disposed in the glue pipe along a central axis direction of the glue pipe, and a projection slidably engaged with the horizontal groove is disposed on the base block.
In a preferred embodiment of the present invention, the glue pipe is formed by splicing an upper glue pipe and a lower glue pipe.
The utility model has the advantages that: simple structure, convenient to use utilizes the spacing recess to play limiting displacement to preventing after the percussion is accomplished secondary percussion safety block on the rubber tube, will prevent secondary percussion safety block to the outside top around establishing the torsional spring on the locating pin, makes it support to lean on to the spacing recess on the rubber tube in, can not take place the displacement forward again to secondary percussion has effectively been prevented.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and 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 without inventive work, wherein:
FIG. 1 is a schematic structural diagram of the pre-firing state of the safety device for preventing secondary firing of the disposable endoscopic cutting stapler according to the present invention;
FIG. 2 is an enlarged view of the present invention at A in FIG. 1;
FIG. 3 is a schematic structural diagram of the post-percussion mechanism state of the safety device for preventing secondary percussion of the disposable endoscopic cutting stapler of the present invention;
figure 4 is the utility model discloses an assembly cross-sectional view of basis piece and rubber tube spare among the safety device that prevents secondary firing for disposable chamber mirror cutting anastomat.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but 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.
Referring to fig. 1-3, the present invention provides a safety device for preventing secondary percussion for a disposable endoscopic cutting stapler, comprising: the rubber pipe fitting 1 is connected with the rear end of the bearing platform 2, a foundation block 3 and a secondary triggering prevention safety block 4 are arranged in the rubber pipe fitting 1, the secondary triggering prevention safety block 4 is installed on the foundation block 3 through a positioning pin 5, a rubber pipe convex rib 6 is arranged on the outer side of the secondary triggering prevention safety block 4, a torsion spring 8 is wound on the positioning pin 5, one end of the torsion spring 8 abuts against the foundation block 3, and the other end of the torsion spring 8 penetrates through a positioning groove 41 of the secondary triggering prevention safety block and applies outward pressure to the secondary triggering prevention safety block, so that the secondary triggering prevention safety block 4 abuts against the rubber pipe convex rib 6; when the cutting anastomat works for the first time, the central rod of the bearing platform 2 pushes the base block 3 to move forwards, and the secondary triggering prevention safety block 4 clings to the rubber tube convex rib 6 to move forwards under the acting force of the torsion spring until the rubber tube convex rib 6 is separated to finish triggering.
The outside of the rubber tube convex rib 6 is provided with a limiting boss 7, the limiting boss 7 is composed of a guide step 71 at the front end and a limiting step 72 at the rear end, the guide step 71 is of a slope-shaped structure, the limiting step 72 is inwards recessed to form a limiting groove 73, when the secondary triggering prevention safety block 4 is in a triggering completion rear state, the secondary triggering prevention safety block 4 is guided to the limiting step 72 along the slope-shaped guide step 71 under the acting force of the torsion spring 8 until the secondary triggering prevention safety block abuts against the limiting groove 73 at the rear end part of the limiting step, and the secondary triggering prevention safety block 4 is jacked in the limiting groove 73 to be prevented from moving forwards, so that secondary triggering is effectively prevented.
The rubber tube convex rib 6 is arranged in parallel with the central shaft of the rubber tube 1 relatively and is formed by splicing an upper rubber tube and a lower rubber tube.
As shown in fig. 4, a horizontal groove 11 is arranged in the glue pipe fitting 1 along the central axis direction of the glue pipe fitting, a convex block 31 which is in sliding fit with the horizontal groove is arranged on the base block 3, the appearance circle of the base block 3 is in concentric fit with the inner circle of the glue pipe fitting, and meanwhile, the convex block 31 of the base block is matched with the horizontal groove 11 in the glue pipe fitting to ensure the axial reciprocating motion of the base block in the glue pipe fitting.
The utility model relates to a prevent secondary firing safeties for disposable chamber mirror cutting anastomat's beneficial effect is:
(1) the rubber tube upper limiting groove is used for limiting the secondary triggering prevention safety block after triggering is finished, and the secondary triggering prevention safety block is jacked outwards by a torsion spring wound on the positioning pin and is abutted against the limiting groove on the rubber tube, so that displacement cannot occur forwards, and secondary triggering is effectively prevented;
(2) simple structure, it is convenient to make, need not too much increase manufacturing cost, alright in order to satisfy the percussion function of apparatus.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (5)
1. A secondary firing prevention safety device for a disposable endoscopic cutting stapler, comprising: the rubber pipe fitting is connected with the bearing platform, and is characterized in that a foundation block and a secondary triggering prevention safety block are arranged in the rubber pipe fitting, the foundation block can move back and forth along the axial direction of the rubber pipe fitting, the secondary triggering prevention safety block is installed on the foundation block through a positioning pin, a rubber pipe convex rib is arranged on the outer side of the secondary triggering prevention safety block, a torsion spring is wound on the positioning pin, one end of the torsion spring abuts against the foundation block, and the other end of the torsion spring penetrates through a positioning groove of the secondary triggering prevention safety block and applies outward pressure to the secondary triggering prevention safety block to enable the secondary triggering prevention safety block to abut against the rubber pipe convex rib; the outside of the rubber tube convex rib is provided with a limit boss, and after the anastomat finishes triggering, the secondary triggering prevention safety block is prevented from entering the effective state and is abutted in a limit groove at the rear end part of the limit boss.
2. The safety device for preventing secondary firing of the disposable endoscopic cutting stapler according to claim 1, wherein the limit boss is composed of a guide step at the front end and a limit step at the rear end, and the limit step is recessed inwards to form a limit groove.
3. The safety device against secondary firing for a disposable endoscopic cutting stapler of claim 1, wherein said rubber tube rib is arranged relatively parallel to the central axis of said rubber tube member.
4. The safety device for preventing secondary firing of the disposable endoscopic cutting stapler according to claim 1, wherein a horizontal groove is arranged in the rubber tube along the central axis direction of the rubber tube, and the base block is provided with a projection which is in sliding fit with the horizontal groove.
5. The safety device for preventing secondary firing of the disposable endoscopic cutting stapler according to claim 1, wherein the rubber tube is formed by splicing an upper rubber tube and a lower rubber tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921207656.5U CN210749349U (en) | 2019-07-30 | 2019-07-30 | Secondary-firing prevention safety device for disposable endoscope cutting anastomat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921207656.5U CN210749349U (en) | 2019-07-30 | 2019-07-30 | Secondary-firing prevention safety device for disposable endoscope cutting anastomat |
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| Publication Number | Publication Date |
|---|---|
| CN210749349U true CN210749349U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921207656.5U Active CN210749349U (en) | 2019-07-30 | 2019-07-30 | Secondary-firing prevention safety device for disposable endoscope cutting anastomat |
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| CN (1) | CN210749349U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110313952A (en) * | 2019-07-30 | 2019-10-11 | 康奇舒宁(苏州)医疗科技有限公司 | It is a kind of to prevent secondary percussion safety device for disposable hysteroscope Endo-GIA |
-
2019
- 2019-07-30 CN CN201921207656.5U patent/CN210749349U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110313952A (en) * | 2019-07-30 | 2019-10-11 | 康奇舒宁(苏州)医疗科技有限公司 | It is a kind of to prevent secondary percussion safety device for disposable hysteroscope Endo-GIA |
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