CN216365140U

CN216365140U - Electric endoscope cutting anastomat and swing head switch structure thereof

Info

Publication number: CN216365140U
Application number: CN202122531507.8U
Authority: CN
Inventors: 王海龙; 吴宇雷; 王伟
Original assignee: Changzhou Wake Medical Devices Co ltd
Current assignee: Changzhou Wake Medical Devices Co ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-04-26
Anticipated expiration: 2031-10-20

Abstract

The utility model relates to the technical field of endoscope cutting anastomats, in particular to an electric endoscope cutting anastomat and a swing head switch structure thereof, wherein the electric endoscope cutting anastomat comprises an anastomat main body and a swing head system for driving a nail bin assembly to swing left and right, the swing head switch structure comprises a swing head shifting block and a tension spring, the swing head shifting block is hinged and installed on the longitudinal part, a first pressure rod and a second pressure rod respectively protrude from the two sides of the inner end of the swing head shifting block, the utility model adopts the swing head shifting block to simultaneously control a first microswitch and a second microswitch, the swing head shifting block can be shifted in different directions manually, the positive and negative rotation of a motor can be realized, so that the nail bin assembly is driven by the motor to swing left and right, the first microswitch and the second microswitch can be ensured not to be pressed simultaneously, the tension spring can ensure that certain damping exists when the swing head shifting block rotates, the hand feeling of the operation is improved, and the structure is simple, convenient and fast operation and the like.

Description

Electric endoscope cutting anastomat and swing head switch structure thereof

Technical Field

The utility model relates to the technical field of endoscope cutting anastomats, in particular to an electric endoscope cutting anastomat and a swinging head switch structure thereof.

Background

The endoscope anastomat is one of important instruments of the endoscope operation, replaces the traditional manual suture, utilizes titanium nails to separate or inosculate tissues, is simple and rapid to operate, greatly shortens the operation time, enables the anastomosis with narrow operative field and deeper parts and difficult manual operation to be easy, accurate, firm and reliable, obviously reduces the incidence rate of anastomotic fistula, and can be divided into manual operation and electric operation according to different power transmission modes;

the power system of the existing electric endoscope cutting anastomat mainly comprises a steering system, a head swinging system, a closing system and a firing system, wherein the head swinging system mainly comprises a motor, a transmission mechanism and two microswitches; in the prior art, two operation buttons are generally arranged on the anastomat, and each operation button independently controls a microswitch, so that the operation of a doctor is inconvenient.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: in order to solve the problem that a micro switch is independently controlled by each operating button in a head swinging system of an anastomat in the prior art, so that a doctor cannot operate conveniently, an electric endoscope cutting anastomat and a head swinging switch structure thereof are provided.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a swing switch structure of an electric endoscope cutting anastomat comprises an anastomat main body and a swing system used for driving a nail bin assembly to swing left and right, wherein the swing system comprises a motor, a first micro switch used for controlling the motor to rotate in the forward direction and a second micro switch used for controlling the motor to rotate in the reverse direction, the first micro switch and the second micro switch are fixedly installed on the longitudinal portion of the anastomat main body, the swing switch structure comprises a swing shifting block and a tension spring, the swing shifting block is hinged and installed on the longitudinal portion, a first pressure rod and a second pressure rod respectively protrude from two sides of the inner end of the swing shifting block, one end of the tension spring is fixedly connected with the inner end of the swing shifting block, and the other end of the tension spring is fixedly connected with the longitudinal portion;

the first pressure lever corresponds to the pressing piece of the first micro switch, the second pressure lever corresponds to the pressing piece of the second micro switch, when the head swing shifting block rotates towards one direction, the first pressure lever abuts against the pressing piece of the first micro switch, and when the head swing shifting block rotates towards the other direction, the second pressure lever abuts against the pressing piece of the second micro switch.

Adopt in this scheme by first micro-gap switch of pendulum shifting block simultaneous control and second micro-gap switch, realize only needing manually to stir the pendulum shifting block to the equidirectional not, can realize the positive and negative rotation of motor to realize that the motor drives the nail storehouse subassembly horizontal hunting, can ensure that first micro-gap switch and second micro-gap switch can not pressed simultaneously, the extension spring then can make the pendulum shifting block have certain damping when rotating, promote the feeling of operation, and has simple structure, advantages such as convenient operation is swift.

Furthermore, the inner end of the head swinging shifting block is provided with a sunken arc-shaped groove, an arc-shaped bulge matched with the arc-shaped groove is protruded on the longitudinal part, and the arc-shaped bulge is embedded into the arc-shaped groove; the swinging head shifting block is pulled by the tension spring to force the arc-shaped protrusion and the arc-shaped groove to be kept in an embedded state, so that the swinging head shifting block is hinged on the longitudinal part, the structure compactness is improved, and the cost is reduced.

Furthermore, the number of the arc-shaped grooves is two, the arc-shaped grooves correspond to the arc-shaped protrusions one to one, the arc-shaped protrusions are embedded into the corresponding arc-shaped grooves, the two arc-shaped grooves are respectively located on the upper side and the lower side of the head swing shifting block, the first pressure lever and the second pressure lever are respectively located on the left side and the right side of the head swing shifting block, and the pressing piece of the first micro switch and the pressing piece of the second micro switch are respectively located on the left side and the right side of the head swing shifting block; thereby being convenient for the overall arrangement to form two side bearing structure to the yaw shifting block, stability is good.

Furthermore, an inner connecting column protrudes from the middle part of the inner end of the head swinging shifting block, an outer connecting column protrudes from the longitudinal part, one end of the tension spring hooks the inner connecting column, and the other end of the tension spring hooks the outer connecting column; thereby facilitating the installation of the tension spring.

Furthermore, the longitudinal part of the anastomat main body, the inner ends of the first microswitch, the second microswitch and the head swinging shifting block are all positioned in the holding part of the shell, and the outer end of the head swinging shifting block extends out of the holding part.

The utility model also provides an electric endoscope cutting anastomat which comprises the rotary switch structure of the electric endoscope cutting anastomat.

The utility model has the beneficial effects that: the electric endoscope cutting anastomat provided by the utility model has the advantages that the first microswitch and the second microswitch are simultaneously controlled by the swing head shifting block, the forward and reverse rotation of the motor can be realized only by manually shifting the swing head shifting block to different directions, so that the motor drives the nail bin assembly to swing left and right, the first microswitch and the second microswitch can not be simultaneously pressed, the tension spring can enable the swing head shifting block to have certain damping during rotation, the hand feeling of operation is improved, the structure is simple, the operation is convenient and fast, and the like.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a three-dimensional schematic view of a wobble plate block according to the present invention;

FIG. 2 is a side view of the wobble block of the present invention;

FIG. 3 is a schematic diagram of the swing switch structure of the electric endoscopic cutting stapler of the present invention;

FIG. 4 is a schematic sectional view taken along line A-A in FIG. 3;

FIG. 5 is an internal schematic view of the swinging head switch structure of the electric endoscopic cutting stapler of the present invention;

fig. 6 is a partially enlarged schematic view of B in fig. 5.

In the figure: 1. the anastomat comprises an anastomat main body 101, a longitudinal part 1011, an arc-shaped bulge 1012 and an outer connecting column;

2. the nail bin assembly comprises a nail bin assembly 3, a motor 4, a first microswitch 5 and a second microswitch;

6. the swing head shifting block 601, a first pressure lever 602, a second pressure lever 603, an arc groove 604 and an inner connecting column;

7. a tension spring;

8. a housing 801 and a grip.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic diagrams illustrating the basic structure of the present invention only in a schematic manner, and thus show only the constitution related to the present invention, and directions and references (e.g., upper, lower, left, right, etc.) may be used only to help the description of the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.

Example 1

As shown in fig. 1-6, an electric endoscopic cutting stapler head swinging switch structure comprises a stapler body 1 and a head swinging system for driving a nail bin assembly 2 to swing left and right, wherein the head swinging system comprises a motor 3, a first micro switch 4 for controlling the motor 3 to rotate forward and a second micro switch 5 for controlling the motor 3 to rotate reversely, the first micro switch 4 and the second micro switch 5 are fixedly installed on a longitudinal portion 101 of the stapler body 1, the head swinging switch structure comprises a head swinging shifting block 6 and a tension spring 7, the head swinging shifting block 6 is hinged and installed on the longitudinal portion 101, a first pressure rod 601 and a second pressure rod 602 are respectively projected from two sides of the inner end of the head swinging block 6, one end of the tension spring 7 is fixedly connected with the inner end of the head swinging block 6, and the other end is fixedly connected with the longitudinal portion 101;

the first pressure lever 601 corresponds to a pressing piece of the first micro switch 4, the second pressure lever 602 corresponds to a pressing piece of the second micro switch 5, when the head swing shifting block 6 rotates in one direction, the first pressure lever 601 abuts against the pressing piece of the first micro switch 4, and when the head swing shifting block 6 rotates in the other direction, the second pressure lever 602 abuts against the pressing piece of the second micro switch 5.

The inner end of the swing head shifting block 6 is provided with a sunken arc-shaped groove 603, an arc-shaped protrusion 1011 matched with the arc-shaped groove 603 is protruded on the longitudinal part 101, and the arc-shaped protrusion 1011 is embedded into the arc-shaped groove 603; the tension spring 7 is utilized to pull the swing head shifting block 6, so that the arc-shaped protrusion 1011 and the arc-shaped groove 603 are forced to be kept in an embedded state, and the swing head shifting block 6 is hinged on the longitudinal part 101, so that the structure compactness is improved, and the cost is reduced.

The two arc-shaped grooves 603 correspond to the arc-shaped protrusions 1011 one by one, the arc-shaped protrusions 1011 are embedded into the corresponding arc-shaped grooves 603, the two arc-shaped grooves 603 are respectively positioned at the upper side and the lower side of the head swing shifting block 6, the first pressure lever 601 and the second pressure lever 602 are respectively positioned at the left side and the right side of the head swing shifting block 6, and the pressing piece of the first micro switch 4 and the pressing piece of the second micro switch 5 are respectively positioned at the left side and the right side of the head swing shifting block 6; thereby being convenient for the layout, forming a bilateral supporting structure for the swing head shifting block 6 and having good stability.

An inner connecting column 604 protrudes from the middle part of the inner end of the head swinging shifting block 6, an outer connecting column 1012 protrudes from the longitudinal part 101, one end of the tension spring 7 hooks the inner connecting column 604, and the other end hooks the outer connecting column 1012; thereby facilitating the installation of the tension spring 7.

The longitudinal part 101 of the anastomat main body 1, the inner ends of the first microswitch 4, the second microswitch 5 and the swing head shifting block 6 are all positioned in the holding part 801 of the shell 8, and the outer end of the swing head shifting block 6 extends out of the holding part 801; the operation habit can be better met.

In the embodiment, a left swing circuit for driving the motor 3 to rotate in the forward direction is formed among the first microswitch 4, the motor 3 and the power supply, a right swing circuit for driving the motor 3 to rotate in the reverse direction is formed among the second microswitch 5, the motor 3 and the power supply, when the nail bin assembly 2 needs to swing leftwards, the swing head shifting block 6 is shifted leftwards, the first pressure lever 601 abuts against a pressing piece of the first microswitch 4, the left swing circuit is connected, the motor 3 drives the nail bin assembly 2 to swing leftwards, when the swing head shifting block 6 is loosened or shifted rightwards, the first pressure lever 601 releases the abutting pressure on the pressing piece of the first microswitch 4, the pressing piece of the first microswitch 4 resets under the internal elastic action, and the left swing circuit is disconnected;

when the nail bin assembly 2 needs to swing rightwards, the swing head shifting block 6 is shifted rightwards, the second pressing rod 602 abuts against the pressing piece of the second micro switch 5, the right swing circuit is connected, the motor 3 drives the nail bin assembly 2 to swing rightwards, when the swing head shifting block 6 is loosened or shifted leftwards, the second pressing rod 602 releases the abutting pressure on the pressing piece of the second micro switch 5, the pressing piece of the second micro switch 5 resets under the action of internal elasticity, and the right swing circuit is disconnected.

Example 2

An electric endoscope cutting anastomat comprises the rotary switch structure of the electric endoscope cutting anastomat in the embodiment 1.

In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that numerous changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides an electronic chamber mirror cutting anastomat yaw switch structure, electronic chamber mirror cutting anastomat includes anastomat main part (1) and is used for driving the yaw system of nail storehouse subassembly (2) horizontal hunting, the yaw system includes motor (3), is used for first micro-gap switch (4) of control motor (3) forward rotation and is used for second micro-gap switch (5) of control motor (3) reverse rotation, and first micro-gap switch (4) and second micro-gap switch (5) fixed mounting are on longitudinal portion (101) of anastomat main part (1), its characterized in that: the head swinging switch structure comprises a head swinging shifting block (6) and a tension spring (7), wherein the head swinging shifting block (6) is hinged to a longitudinal part (101), a first pressure lever (601) and a second pressure lever (602) respectively protrude from two sides of the inner end of the head swinging shifting block (6), one end of the tension spring (7) is fixedly connected with the inner end of the head swinging shifting block (6), and the other end of the tension spring is fixedly connected with the longitudinal part (101);

the first pressure lever (601) corresponds to a pressing piece of the first micro switch (4), the second pressure lever (602) corresponds to a pressing piece of the second micro switch (5), when the swing head shifting block (6) rotates towards one direction, the first pressure lever (601) abuts against the pressing piece of the first micro switch (4), and when the swing head shifting block (6) rotates towards the other direction, the second pressure lever (602) abuts against the pressing piece of the second micro switch (5).

2. The electric endoscopic cutting stapler head swinging switch structure according to claim 1, wherein: the inner end of the swing head shifting block (6) is provided with a sunken arc-shaped groove (603), an arc-shaped protrusion (1011) matched with the arc-shaped groove (603) is protruded on the longitudinal part (101), and the arc-shaped protrusion (1011) is embedded into the arc-shaped groove (603).

3. The electric endoscopic cutting stapler head swinging switch structure according to claim 2, wherein: arc recess (603) have two to with arc arch (1011) one-to-one, arc arch (1011) are embedded into rather than arc recess (603) that corresponds in, two arc recess (603) are located the upper and lower both sides of yaw shifting block (6) respectively, first depression bar (601) and second depression bar (602) are located the left and right sides of yaw shifting block (6) respectively, the pressing member of first micro-gap switch (4) and the pressing member of second micro-gap switch (5) are located the left and right sides of yaw shifting block (6) respectively.

4. The electric endoscopic cutting stapler head swinging switch structure according to claim 1, wherein: the middle part protrusion that dog shifting block (6) are inner has interior spliced pole (604), the protrusion has outer spliced pole (1012) on vertical portion (101), interior spliced pole (604) are hooked to the one end of extension spring (7), and outer spliced pole (1012) are hooked to the other end.

5. The electric endoscopic cutting stapler head swinging switch structure according to claim 1, wherein: the inner ends of the longitudinal part (101), the first microswitch (4), the second microswitch (5) and the swing head shifting block (6) of the anastomat main body (1) are all positioned in the holding part (801) of the shell (8), and the outer end of the swing head shifting block (6) extends out of the holding part (801).

6. The utility model provides an electronic chamber mirror cutting anastomat which characterized in that: comprises a rotary switch structure of the electric endoscope cutting anastomat as claimed in any one of the claims 1 to 5.