CN217408880U

CN217408880U - Endoscope anastomat with nail pushing indication function

Info

Publication number: CN217408880U
Application number: CN202221234816.7U
Authority: CN
Inventors: 李旭; 邱明链; 冯志
Original assignee: First Affiliated Hospital of Fujian Medical University
Current assignee: First Affiliated Hospital of Fujian Medical University
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-09-13
Anticipated expiration: 2032-05-23

Abstract

The application relates to an endoscope anastomat with a nail pushing indication function, which comprises an end effector, a connecting pipe, a handle shell, an execution driving assembly and a handle driving assembly; the execution driving assembly comprises a driving sleeve and a push-broach driving rod, the driving sleeve is used for driving the end effector to execute closing action, and the push-broach driving rod can slide between an initial position and an anastomosis position and is used for driving the end effector to execute anastomosis action; the handle shell is provided with an observation opening corresponding to the stroke identification piece, when the push broach driving rod is at an initial position, the stroke identification piece is positioned in an opening area corresponding to the observation opening, and when the push broach driving rod is at an inosculating position, the stroke identification piece is positioned outside the opening area corresponding to the observation opening. Through the cooperation of the stroke identification piece and the observation opening, the technical problem that the endoscope anastomat with multi-stroke control cannot effectively judge the stroke of the push nail is solved.

Description

Endoscope anastomat with nail pushing indication function

Technical Field

The utility model relates to a medical instrument especially relates to an endoscope anastomat with push away nail instruction function.

Background

Intraluminal staplers can generally include two elongated jaw members that are used to grasp or clamp tissue, respectively. In some surgical staplers, one of the jaw members has a staple cartridge loaded with a plurality of staples arranged in at least two transverse rows, while the other jaw member has an anvil defining a surface for forming the legs of the staples as they are pushed out of the staple cartridge, the stapling operation being effected by a cam member which acts on a staple pusher as it travels longitudinally through the staple cartridge to sequentially eject the staples from the staple cartridge. A knife blade is advanceable between the staple rows for longitudinally cutting and/or opening the stapled tissue between the staple rows. In the prior art, application No. 202010732474.0 discloses a drive switching mechanism for an anastomat and an anastomat, in particular to an anastomat for an endoscopic surgery, which can be matched with a differential control part to enable a plurality of times of driving handles to smoothly complete the operation of clamping and then anastomosis without actively switching the position of a knife pushing part. However, in the case of the stapler having the multi-stroke driving and the complex link mechanism, when a surgeon operates the handle of the stapler which is automatically switched, the completion of the staple pushing action and the return of the staple pushing piece to the proper position can be judged only by the pressing times and the hand feeling, and the visual observation cannot be performed, so that there is a need for the stapler which can quickly judge the completion of the staple pushing action.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the technical scheme of the utility model is so realized:

the technical scheme of the application provides an endoscope anastomat with a nail pushing indication function, which comprises an end effector, a connecting pipe, a handle shell, an execution driving assembly and a handle driving assembly, wherein the end effector is connected with the connecting pipe;

the execution driving assembly comprises a driving sleeve and a push-knife driving rod, the driving sleeve is used for driving the end effector to execute a closing action, and the push-knife driving rod can slide between an initial position and an anastomosis position and is used for driving the end effector to execute the anastomosis action;

the utility model discloses a handle casing, including handle casing, broach actuating lever, observation opening, stroke sign, handle casing, handle, push-type broach actuating lever, handle casing, push-type broach actuating lever are close to one side of near-end and are equipped with stroke sign, be equipped with on the handle casing with the observation opening that stroke sign corresponds, work as when the push-type broach actuating lever is at initial position, stroke sign is located the opening region that the observation opening corresponds is intra-area, and work as the push-type broach actuating lever is in the position of coincide, stroke sign is located the opening region that the observation opening corresponds is extra-area.

Further preferably, the end effector comprises a nail bin and a nail pushing piece positioned in the nail bin, and the nail pushing piece is fixedly connected with the push knife driving rod through a driving connecting rod.

Further preferably, the staple pusher comprises a staple pushing inclined plane, and when the push knife driving rod slides from the initial position to the anastomosis position, the staple pusher is driven, so that the staple pusher pushes the staples out of the staple cartridge through the staple pushing inclined plane.

Further preferably, the stroke indicator is a protrusion located on a side surface of the push-knife driving rod.

Further preferably, the stroke indicator is a groove located on the side of the push-knife driving rod.

Further preferably, the observation opening is in a long strip shape, and a transparent protection piece is arranged on the observation opening.

Further preferably, the transparent protection member is glass or transparent plastic.

Further preferably, the number of the stroke identification parts is two, the two stroke identification parts are symmetrically arranged on two sides of the push broach driving rod, and the number of the observation openings is two and is respectively arranged corresponding to the two stroke identification parts.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

(1) through the matching of the stroke identification piece and the observation opening, an operator can effectively and visually judge whether the endoscope anastomat completes the nail pushing stroke and completes the resetting, and the technical problem that the endoscope anastomat with multi-stroke control cannot effectively judge that the nail pushing stroke is the stroke of the nail pushing is solved;

(2) the transparent protection piece arranged at the observation opening effectively protects the sealing property of the internal mechanism;

(3) the stroke identification piece is directly arranged on the push broach driving rod, the stroke completion condition of the push broach driving rod can be intuitively reflected, and the arrangement mode of the stroke identification piece does not influence the arrangement of the adult structure.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a stapler according to an embodiment of the present application;

FIG. 2 is an enlarged view of a portion of an exemplary stapler of the present application;

FIG. 3 is a schematic structural view of FIG. 2 with a portion of the housing removed;

FIG. 4 is a schematic view of the push-knife drive rod from two views;

FIG. 5 is a cross-sectional view of a stapler according to an embodiment of the application;

fig. 6 is a partially enlarged view of fig. 5.

The specific corresponding reference numbers are as follows:

the device comprises an end effector 1, a nail bin 11, a nail pushing piece 12, a first clamping piece 13, a second clamping piece 14, a connecting pipe 2, a handle shell 3, an observation opening 31, an execution driving assembly 4, a driving sleeve 41, a push broach driving rod 42, a stroke identification piece 43, a driving connecting rod 44, a handle driving assembly 5 and a pressing handle 51.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.

In the present application, the proximal end is the direction close to the operator and the distal end is the direction of the principle operator, according to the use description of the instrument.

Example (b):

as shown in fig. 1 to 6, in the present embodiment, an endoscopic stapler with a push pin indication function is described, which includes an end effector 1, a connection tube 2, a handle housing 3, an execution drive assembly 4, and a handle drive assembly 5. The end effector 1 is used for cutting and suturing tissues after entering an endoscopic surgery channel, the end effector 1 is provided with a first clamping piece 13 and a second clamping piece 14, the end effector 4 is connected with a handle shell 3 through a connecting pipe 2, the first clamping piece 13 is relatively fixed with the connecting pipe 5, the second clamping piece 14 rotates relative to the connecting pipe 5, a nail bin 11 is arranged on the first clamping piece 13, a pressing handle 51 of the handle driving assembly 5 can move from a first position at a near end to a second position at a far end to drive the first clamping piece 13 and the second clamping piece 14 of the end effector 1 to clamp, and when the pressing handle 51 is pressed again, the nail bin can be driven to realize anastomosis actions including nail pushing and cutting. In this embodiment, the clamping and the anastomosis are driven by the same handle.

Specifically, in the present embodiment, the driving switching mechanism includes an actuating driving assembly 1 and a handle driving assembly, wherein the actuating driving assembly 1 is at least partially disposed in the connecting pipe 2; the actuating drive assembly 1 comprises a drive sleeve 11 and a push-knife drive rod 12, the drive sleeve 11 is used for driving the end effector 4 to perform a closing action, the push-knife drive rod 42 can slide between an initial position and an anastomosis position and is used for driving the end effector 1 to perform an anastomosis action, and the handle drive assembly 5 receives a driving force provided by an operator to transmit the driving force to the actuating drive assembly 1, so that the operator and the end effector are linked. Specifically, in the present embodiment, the end effector 1 includes a staple cartridge 11 and a staple pusher 12 located in the staple cartridge 11, the staple pusher 12 is fixedly connected to a pusher driving rod 42 through a driving connecting rod 44, the staple pusher 12 includes a staple pushing inclined surface, and when the pusher driving rod 42 slides from an initial position to an anastomosis position, the staple pusher 12 is driven so that the staple pusher 12 pushes staples out of the staple cartridge 11 through the staple pushing inclined surface.

In this embodiment, since the handle driving assembly 5 can be switched to be linked with different components in the actuating driving assembly 1, different actuating actions, i.e. clamping and fitting, can be realized by pressing the same handle to realize the end effector. The prior art of the specific handover principle is fully disclosed, and reference may also be made to the prior art mentioned in the background of the present application, which is not described herein again.

The side of the push broach driving rod 42 close to the near end is provided with a stroke identification piece 43, the handle shell 3 is provided with an observation opening 31 corresponding to the stroke identification piece 43, when the push broach driving rod 42 is at an initial position, the stroke identification piece 43 is positioned in an opening area corresponding to the observation opening 31, and when the push broach driving rod 42 is at an anastomosis position, the stroke identification piece 43 is positioned outside the opening area corresponding to the observation opening 31, through the matching of the stroke identification piece and the observation opening, an operator can effectively and intuitively judge whether the endoscope anastomat completes the push nail stroke and completes the reset, and the technical problem that the endoscope anastomat with multi-stroke control cannot effectively judge the push nail stroke is solved.

In this embodiment, the stroke indicator 43 is a protrusion located on the side of the push-knife driving rod 42, and in another embodiment, the stroke indicator 43 may be a groove located on the side of the push-knife driving rod 42, or other structures or colors that can be easily identified. The stroke identification piece is directly arranged on the push broach driving rod, the stroke completion condition of the push broach driving rod can be intuitively reflected, and the arrangement mode of the stroke identification piece does not influence the arrangement of the adult structure. The stroke indicator 43 may be one or two stroke indicators arranged on one side, the two stroke indicators 43 are symmetrically arranged on two sides of the push broach driving rod 42, and the two observation openings 31 are respectively arranged corresponding to the two stroke indicators 43.

Further, in order to ensure the sealing performance and safety of the instrument, the observation opening 31 is in a long strip shape, and a transparent protection piece is arranged on the observation opening 31, and the transparent protection piece is made of glass or transparent plastic.

The specific operation process is that when the handle driving assembly 5 is in a state of driving the pusher driving rod 42, the pressing handle 51 is gripped to drive the pusher driving rod 42 to move towards the distal end, the driving force is provided to the staple pusher 12 through the driving connecting rod 44, the staple pusher 12 pushes the staples out of the staple cartridge 11 through the staple pushing inclined surface and performs anastomotic forming, the pusher driving rod 42 is located at the anastomotic position, and at this time, the observation opening 31 cannot see 43, which indicates that the pushing action of the distal end staple pusher 12 is completed.

When the handle 51 is released, the pusher 12 returns to its original position under the action of the return spring, and the pusher drive rod 42 returns to its original position, so that the stroke indicator 43 is visible in the viewing opening 31, indicating that the pusher 12 returns to its original position.

As can be seen from the above description, the present application has the following advantages:

In the description of the present application, it is to be understood that the terms "upper", "lower", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

As described above, the present invention has been explained in full in accordance with the gist of the present invention, but the present invention is not limited to the above-described embodiments and implementation methods, and features of the embodiments may be combined with each other without contradiction. The practitioner of the related art can make various changes and implementations within the scope permitted by the technical idea of the present invention.

Claims

1. An endoscope anastomat with a nail pushing indication function is characterized by comprising an end effector (1), a connecting pipe (2), a handle shell (3), an execution driving assembly (4) and a handle driving assembly (5);

the execution driving assembly (4) comprises a driving sleeve (41) and a push-knife driving rod (42), wherein the driving sleeve (41) is used for driving the end effector (1) to execute a closing action, and the push-knife driving rod (42) can slide between an initial position and an anastomosis position and is used for driving the end effector (1) to execute an anastomosis action;

push-type broach actuating lever (42) are close to one side of near-end and are equipped with stroke identification spare (43), be equipped with on handle casing (3) with observation opening (31) that stroke identification spare (43) correspond, work as when push-type broach actuating lever (42) are at initial position, stroke identification spare (43) are located observe opening (31) corresponding opening region in, and work as when push-type broach actuating lever (42) are in the position of coincide, stroke identification spare (43) are located observe opening (31) corresponding opening region is outside.

2. The endoscopic stapler according to claim 1, wherein the end effector (1) comprises a staple cartridge (11) and a staple pusher (12) located inside the staple cartridge (11), the staple pusher (12) being fixedly connected with the pusher driving rod (42) by a driving connecting rod (44).

3. The endoscopic stapler according to claim 2, wherein the staple pusher (12) comprises a staple pushing ramp, the knife driving rod (42) driving the staple pusher (12) when sliding from the initial position to the stapling position, such that the staple pusher (12) pushes staples out of the staple cartridge (11) through the staple pushing ramp.

4. Endoscopic stapler according to claim 1, characterized in that said stroke identifier (43) is a protrusion located on the side of said pusher-driving lever (42).

5. Endoscopic stapler according to claim 1, characterized in that said stroke identifier (43) is a groove located on the side of said pusher-driving rod (42).

6. Endoscopic stapler according to claim 1, characterized in that said viewing opening (31) is elongated, said viewing opening (31) being provided with a transparent protection.

7. The endoscopic stapler of claim 6, wherein the transparent protection is glass or transparent plastic.

8. Endoscopic stapler according to claim 1, wherein said stroke indicators (43) are two, two said stroke indicators (43) being symmetrically arranged on both sides of said pusher driving rod (42), and said viewing openings (31) are two and respectively arranged in correspondence with two said stroke indicators (43).