Electric endoscope anastomat

Abstract

The utility model discloses an electric endoscope anastomat, and belongs to the technical field of medical instruments. The electric endoscope anastomat comprises a main body, a driving module and a triggering assembly, wherein the main body comprises a mounting shell and a protective shell which are buckled with each other; the driving module comprises a reset circuit board with a reset trigger switch, a percussion rack and a motor capable of rotating in the forward direction and the reverse direction, the percussion rack is arranged in the main body in a penetrating mode and is in transmission connection with an output shaft of the motor, and a strip-shaped groove extending in the first direction is formed in the percussion rack; the trigger assembly comprises a follower and a pushing piece which are connected with each other, the pushing piece is arranged on the protective shell and can slide in the first direction, a protruding part is arranged on the side, facing the percussion rack, of the follower and inserted into the strip-shaped groove, and an elastic head is arranged on the side, facing the reset trigger switch, of the follower and inserted into the strip-shaped groove. The elastic head can abut against or be separated from the reset trigger switch. The electric endoscope anastomat has automatic and manual reset functions, and the use convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field especially, and it relates to a kind of electric endoscope anastomat. BACKGROUND

[0002] Endoscopic surgery, also known as minimally invasive surgery, is a surgical method that uses a small incision to place instruments into the body cavity (such as the abdominal cavity, uterine cavity, thoracic cavity, etc.), and then uses a television screen to examine, diagnose and treat diseases in the cavity. Its principle lies in using modern optics, electronics, mechanics and other high-tech means to send surgical instruments and camera equipment into the human body through a small incision. The surgeon can clearly observe the situation of the surgical area through the real-time image on the television screen and perform precise surgical operations.

[0003] Endoscopic anastomat is one of the important instruments for endoscopic surgery. It is also known as endoscopic cutting anastomat and disposable cartridge, which is used for disconnection, resection, anastomosis and other operations of tissues under endoscopic surgery.

[0004] However, the firing rack of the existing endoscopic anastomat driven by the motor can only move forward and does not have the functions of automatic and manual reset.

[0005] Therefore, there is an urgent need to provide an electric endoscopic anastomat to solve the above problems. SUMMARY

[0006] The utility model aims at providing an electric endoscopic anastomat that has the functions of automatic and manual reset, and improves the convenience of use of the electric endoscopic anastomat.

[0007] To achieve the above-mentioned purpose, the following technical solutions are provided:

[0008] The electric endoscopic anastomat comprises:

[0009] A main body comprising a mounting shell and a protective shell that are mutually coupled;

[0010] A drive module comprising a reset circuit board with a reset trigger switch, a firing rack, and a motor that can rotate in both forward and reverse directions. The reset circuit board and the motor are both arranged on the main body and are electrically connected to each other. The firing rack is arranged in the main body and is in transmission connection with the output shaft of the motor. The firing rack is provided with a strip-shaped groove extending in a first direction.

[0011] A trigger assembly comprising a follower and a pusher that are connected to each other. The pusher is arranged on the protective shell and can slide in the first direction. The side of the follower facing the firing rack is provided with a protruding portion, which is inserted into the strip-shaped groove. The side of the follower facing the reset trigger switch is provided with an elastic head, which can abut or separate from the reset trigger switch.

[0012] As an alternative of the electric endoscope anastomat, the follower is provided with a plug part on the side facing the pusher, the pusher is provided with a plug slot on the side facing the follower, and the plug part is plugged with the plug slot.

[0013] As an alternative of the electric endoscope anastomat, the installation shell is provided with a blocking part, the follower is provided with a U-shaped avoiding slot on the side facing the blocking part, and the inner wall surface of the U-shaped avoiding slot is stopped at the blocking part.

[0014] As an alternative of the electric endoscope anastomat, the pusher is provided with a weight-reducing slot on the side facing the follower.

[0015] As an alternative of the electric endoscope anastomat, the protective shell is provided with a guide window extending in a first direction, the pusher is provided with a sliding slot, and the protective shell is slidingly connected with the sliding slot.

[0016] As an alternative of the electric endoscope anastomat, the pusher is provided with a push handle on the side facing away from the follower.

[0017] As an alternative of the electric endoscope anastomat, the surface of the push handle is provided with an anti-slip structure.

[0018] As an alternative of the electric endoscope anastomat, the reset circuit board is provided with a plurality of first connecting holes, the installation shell is provided with a plurality of second connecting holes corresponding to the first connecting holes, and a first fastener is connected through the first connecting holes and the second connecting holes.

[0019] As an alternative of the electric endoscope anastomat, the reset circuit board is provided with a positioning pin hole, and the installation shell is provided with a positioning column inserted into the positioning pin hole.

[0020] As an alternative of the electric endoscope anastomat, the installation shell is provided with a plurality of third connecting holes, the protective shell is provided with a plurality of fourth connecting holes, and a second fastener is connected through the fourth connecting holes and the third connecting holes.

[0021] Compared with the prior art, the electric endoscope anastomat has the following beneficial effects:

[0022] The electric endoscope anastomat provided by the utility model is provided with a reset circuit board, and when the reset trigger switch of the reset circuit board is triggered by an external object, the reset circuit board can control the motor to rotate reversely and make the firing rack retreat and reset. The protruding part of the follower and the elastic head on the pusher abut against the reset trigger switch when the protruding part abuts against the rear end side wall of the strip-shaped groove and the firing rack continues to move forward in the first direction, so that the motor rotates reversely, the firing rack automatically retreats and resets, and the firing rack of the electric endoscope anastomat has the function of automatic reset. The elastic head on the pusher abuts against the reset trigger switch when the pusher is manually moved forward in the first direction, so that the motor rotates reversely, the firing rack automatically retreats and resets, and the firing rack of the electric endoscope anastomat has the function of manual reset. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the drawings needed to be used in the description of the embodiments of the utility model will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art according to the contents of the embodiments of the utility model and the drawings without any creative labor.

[0024] Figure 1 It is the assembly schematic view of the electric endoscope anastomat in the embodiments of the utility model.

[0025] Figure 2 It is the first kind of explosion schematic view of the electric endoscope anastomat in the embodiments of the utility model.

[0026] Figure 3 It is the second kind of explosion schematic view of the electric endoscope anastomat in the embodiments of the utility model.

[0027] Figure 4 It is Figure 3 It is the local enlarged view of A in the embodiments of the utility model.

[0028] Figure 5 It is the structural schematic view of the follower in the embodiments of the utility model from the first perspective.

[0029] Figure 6 It is the structural schematic view of the follower in the embodiments of the utility model from the second perspective.

[0030] Figure 7 It is the structural schematic view of the pusher in the embodiments of the utility model from the first perspective.

[0031] Figure 8 It is the structural schematic view of the second visual angle of the pushing member in the embodiment of the utility model;

[0032] Figure 9 It is the assembly schematic view of the mounting shell, the firing rack, the motor and the follower in the embodiment of the utility model.

[0033] Reference signs:

[0034] 1, main body; 2, reset circuit board; 3, firing rack; 4, motor; 5, trigger assembly;

[0035] 11, mounting shell; 111, blocking part; 112, second connecting hole; 113, positioning column; 114, third connecting hole; 12, protective shell; 121, guide window; 122, fourth connecting hole;

[0036] 21, reset trigger switch; 22, first connecting hole; 23, positioning pin hole;

[0037] 31, strip-shaped slot;

[0038] 51, follower; 511, protruding part; 512, elastic head; 513, plug-in part; 514, U-shaped avoiding slot; 52, pushing member; 521, insertion slot; 522, weight-reducing slot; 523, sliding slot; 524, push handle. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme in the embodiment of the utility model will be described clearly and completely below in combination with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiment of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0040] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "up", "down", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly placed when the utility model product is used, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.

[0041] In the description of the utility model, still need to explain, unless another explicit provision and limitation, term '' set '' '' connection '' should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electric connection. For ordinary skilled in the art, can understand the specific meaning of the above terms in the utility model according to specific circumstances.

[0042] The embodiments of the utility model are described in detail below, the examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as limiting the utility model.

[0043] In order to have the functions of automatic and manual reset, improve the use convenience of electric endoscope anastomat, the embodiment provides an electric endoscope anastomat, which is described below Figures 1 to 9 The specific content of the embodiment is described in detail. It should be noted that the first direction mentioned in the embodiment is Figure 1 X direction in the above.

[0044] The electric endoscope anastomat in the embodiment includes a main body 1, a driving module and a trigger assembly 5. The main body 1 includes a mounting shell 11 and a protective shell 12 that are buckled to each other. The driving module includes a reset circuit board 2 with a reset trigger switch 21, a firing rack 3 and a motor 4 that can rotate forward and reverse, the reset circuit board 2 and the motor 4 are both arranged on the main body 1 and electrically connected to each other, the firing rack 3 is arranged in the main body 1 and in transmission connection with the output shaft of the motor 4, and the firing rack 3 is provided with a strip-shaped groove 31 extending in the first direction. The trigger assembly 5 includes a follower 51 and a pusher 52 connected to each other, the pusher 52 is arranged on the protective shell 12 and can slide in the first direction, the side of the follower 51 towards the firing rack 3 is provided with a protruding part 511, the protruding part 511 is inserted into the strip-shaped groove 31, and the side of the follower 51 towards the reset trigger switch 21 is provided with an elastic head 512, which can abut or separate from the reset trigger switch 21.

[0045] Briefly, the electric endoscope anastomat provided by the utility model, install the firing rack 3 in the main body 1, the output shaft of motor 4 is in transmission with the firing rack 3, when the output shaft of motor 4 rotates forward, can drive the firing rack 3 to move forward, for firing nail box assembly. Reset circuit board 2 is electrically connected with motor 4, when the reset trigger switch 21 of reset circuit board 2 is triggered by external object, reset circuit board 2 can control motor 4 reverse rotation and make the firing rack 3 retreat reset. The follower 51 and the pusher 52 of trigger assembly 5 are fixedly connected, wherein the protruding part 511 of follower 51 extends into the strip-shaped slot 31 of firing rack 3. When the protruding part 511 abuts against the rear end side wall of strip-shaped slot 31, and the firing rack 3 continues to move forward along the first direction, the elastic head 512 on follower 51 abuts against the reset trigger switch 21, and then the motor 4 reverses, the firing rack 3 automatically retreats and resets, and the firing rack 3 of the electric endoscope anastomat has the function of automatic reset. Manually moving the pusher 52 forward along the first direction, the elastic head 512 on the pusher 52 abuts against the reset trigger switch 21, and then the motor 4 reverses, the firing rack 3 automatically retreats and resets, and the firing rack 3 of the electric endoscope anastomat has the function of manual reset.

[0046] Exemplarily, the side of the follower 51 towards the pusher 52 is provided with a plug-in part 513, the side of the pusher 52 towards the follower 51 is provided with a plug-in groove 521, and the plug-in part 513 is plugged into the plug-in groove 521. By additionally providing the plug-in part 513 and the plug-in groove 521, the installation firmness of both the follower 51 and the pusher 52 can be ensured.

[0047] Further, the installation shell 11 is provided with a blocking part 111, the side of the follower 51 towards the blocking part 111 is provided with a U-shaped avoiding slot 514, and the inner wall surface of the U-shaped avoiding slot 514 is stopped at the blocking part 111. By additionally providing the blocking part 111 and the U-shaped avoiding slot 514, the stroke of the follower 51 moving backward can be limited under the driving of the firing rack 3 retreating or the driving of the pusher 52 moving backward.

[0048] Further, the side of the pusher 52 towards the follower 51 is provided with a weight-reducing groove 522. By additionally providing a plurality of weight-reducing grooves 522 on the pusher 52, the overall weight of the pusher 52 can be reduced, and the pushing resistance can be reduced.

[0049] Further, the protection shell 12 is provided with a guide window 121 extending along the first direction, the pusher 52 is provided with a sliding groove 523, and the protection shell 12 is in sliding connection with the sliding groove 523. The sliding groove 523 of the pusher 52 cooperates with the guide window 121 of the protection shell 12, and can guide the pusher 52 to reciprocate along the first direction.

[0050] Further, the pushing member 52 is provided with a pushing handle 524 on the side away from the follower 51. The pushing handle 524 protrudes outward relative to the pushing member 52, facilitating manual operation.

[0051] Further, the surface of the pushing handle 524 is provided with anti-skid structures. The anti-skid structures in the embodiment can be, but are not limited to, anti-skid protrusions, anti-skid grooves or anti-skid lines, which are not limited here.

[0052] Further, the reset circuit board 2 is provided with a plurality of first connecting holes 22, and the mounting shell 11 is correspondingly provided with a plurality of second connecting holes 112, and the first fasteners pass through the first connecting holes 22 and the second connecting holes 112 to be connected. By additionally providing the first connecting holes 22 and the second connecting holes 112, the reset circuit board 2 can be stably assembled to the mounting shell 11.

[0053] Further, the reset circuit board 2 is provided with a plurality of positioning pin holes 23, and the mounting shell 11 is provided with a plurality of positioning columns 113, and the positioning columns 113 are inserted into the positioning pin holes 23. By additionally providing the positioning columns 113 and the positioning pin holes 23, the installation precision of the reset circuit board 2 on the mounting shell 11 can be improved.

[0054] Further, the mounting shell 11 is provided with a plurality of third connecting holes 114, and the protective shell 12 is provided with a plurality of fourth connecting holes 122, and the second fasteners pass through the fourth connecting holes 122 and the third connecting holes 114 to be connected. By additionally providing the third connecting holes 114 and the fourth connecting holes 122, the protective shell 12 can be stably assembled to the mounting shell 11. It can be understood that the first fasteners and the second fasteners in the embodiment can be, but are not limited to, bolts or screws, which are not limited here.

[0055] It should be noted that the above is only a preferred embodiment of the present application and the technical principle applied. Those skilled in the art will understand that the present application is not limited to the specific embodiments described herein, and those skilled in the art can make various obvious changes, re-adjustments and substitutions without departing from the scope of the present application. Therefore, although the present application has been described in detail through the above embodiments, the present application is not limited to the above embodiments, and can include more other equivalent embodiments without departing from the concept of the present application, and the scope of the present application is determined by the scope of the appended claims.

Claims

1. An electric-powered endoscopic anastomosis device, characterized by, The utility model relates to a kind of trigger mechanism, including: Main body (1), including mutually buckled installation shell (11) and protective shell (12); Drive module, including reset circuit board (2) with reset trigger switch (21), firing rack (3) and the motor (4) that can be forward and reverse rotation, the reset circuit board (2) and the motor (4) are all arranged on the main body (1) and are electrically connected with each other, the firing rack (3) is passed in the main body (1) and is transmission connection with the output shaft of the motor (4), the firing rack (3) is provided with strip slot (31) extending along first direction on it; Trigger assembly (5), including follower (51) and pusher (52) connected with each other, the pusher (52) is arranged on the protective shell (12) and can slide along first direction, the side of the follower (51) towards the firing rack (3) is provided with protruding portion (511), the protruding portion (511) is inserted in the strip slot (31), the side of the follower (51) towards reset trigger switch (21) is provided with elastic head (512), the elastic head (512) can be in contact with reset trigger switch (21) or separate.

2. The electric-powered endoscopic anastomosis device according to claim 1, wherein The side of the follower (51) towards the pusher (52) is provided with splicing part (513), the side of the pusher (52) towards the follower (51) is provided with slot (521), the splicing part (513) is spliced with the slot (521).

3. The electric-powered endoscopic anastomosis device according to claim 1, wherein The installation shell (11) is provided with blocking portion (111), the side of the follower (51) towards the blocking portion (111) is provided with U-shaped avoiding slot (514), the inner wall surface of the U-shaped avoiding slot (514) is stopped at the blocking portion (111).

4. The motorized endoscopic anastomosis device according to claim 1, wherein, The side of the pusher (52) towards the follower (51) is provided with lightening slot (522).

5. The motorized endoscopic anastomosis device according to claim 1, wherein, The protective shell (12) is provided with guide window (121) extending along first direction, the pusher (52) is provided with sliding slot (523), the protective shell (12) is slidably connected with the sliding slot (523).

6. The motorized endoscopic anastomosis device according to claim 5, wherein, The side of the pusher (52) away from the follower (51) is provided with push hand (524).

7. The motorized endoscopic anastomosis device according to claim 6, wherein, The surface of the push hand (524) is provided with anti-skid structure.

8. The motorized endoscopic anastomosis device according to claim 1, wherein, The reset circuit board (2) is provided with a plurality of first connecting holes (22), the installation shell (11) is provided with a plurality of second connecting holes (112) correspondingly, first fastener is connected by passing through the first connecting hole (22) and the second connecting hole (112).

9. The motorized endoscopic anastomosis device according to claim 1, wherein, The reset circuit board (2) is provided with positioning pin hole (23), the installation shell (11) is provided with positioning column (113), the positioning column (113) is inserted in the positioning pin hole (23).

10. The motorized endoscopic anastomosis device according to any one of claims 1-9, wherein, The installation shell (11) is provided with a plurality of third connecting holes (114), the protective shell (12) is provided with a plurality of fourth connecting holes (122), second fastener is connected by passing through the fourth connecting hole (122) and the third connecting hole (114).

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