CN219720775U - Electric anastomat - Google Patents

Abstract

The utility model discloses an electric anastomat, which comprises a main driving component, a rotating component and a swinging angle component; the main driving component is used for driving the actuator to close, anastomose and retract, the rotating component is used for driving the actuator to rotate 360 degrees, and the swinging angle component is used for driving the actuator to swing left and right; wherein, the main driving component, the rotating component and the swinging component all comprise a motor and a gear component; the main driving component, the rotating component and the swinging component can be respectively and independently operated and do not influence each other when the operation is performed. According to the utility model, the main driving assembly, the rotating assembly and the swing angle assembly are arranged as the electric assemblies, so that the operation efficiency can be improved, and the operation difficulty of doctors can be reduced.

Description

Electric anastomat

Technical Field

The utility model relates to the field of medical instruments, in particular to an electric anastomat.

Background

Endoscopic staplers are commonly used instruments for surgical procedures that can assist a physician in quickly completing the cutting and stapling of tissue. Currently, there are two main types of endoscopic staplers: a manual endoscopic stapler is used for controlling the stapling of tissues and other operations of a percussion nail bin assembly by manual operation, and a percussion handle is required to be manually held for a plurality of times in use, so that a mechanical transmission mechanism of the stapler pushes the nail bin assembly to be closed for molding, the manual endoscopic stapler is required to have certain requirements on the actual operation method of a doctor, and the improper operation can cause the pulling and tearing of the stapling tissues; the other is an electric endoscope anastomat, and part of operation of the anastomat adopts an electric mode, so that a doctor can realize part of operation of the endoscope anastomat by touching keys on an endoscope fixing handle by fingers. With the development of the technology, an electric anastomat with partial movement in an electric mode is widely adopted, but the intelligent degree of the electric anastomat in the prior art is not enough because the movement of the anastomat comprises swinging and rotation of an actuator, closing and firing of a nail box and the like, and the technical scheme that all the three movements are driven by motors is not realized, so that the operation of doctors is not completely intelligent.

Disclosure of Invention

The utility model aims to solve the technical problem that the operation of an electric anastomat cannot be intelligently operated in the prior art.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows:

an electric anastomat comprises a main driving component, a rotating component and a swing angle component; the main driving component is used for driving the actuator to close, anastomose and retract, the rotating component is used for driving the actuator to rotate 360 degrees, and the swinging angle component is used for driving the actuator to swing left and right; wherein the main driving assembly, the rotating assembly and the swinging assembly all comprise a motor and a gear assembly; the main driving component, the rotating component and the swinging component can be respectively and independently operated and do not influence each other when the operation is performed.

Further, the main driving assembly includes: the device comprises a firing motor, a firing gear, a firing driven gear and a firing rack, wherein the distal end of the firing rack is connected with the proximal end of a firing push rod, and the firing push rod can freely rotate around an axis relative to the firing rack; the firing gear is meshed with the firing driven gear, the firing driven gear is meshed with the firing rack, and when the firing motor rotates forwards or reversely according to the main control instruction, the rotation motion is converted into linear motion through the firing gear, the firing driven gear and the firing rack, and the distal end actuator is driven to perform closing, anastomosis and rollback functions.

Further, the rotating assembly comprises a rotating motor, a rotating driving gear and a rotating driven gear, the rotating assembly is connected with the gun barrel assembly through a fixed block, the rotating driving gear is meshed with the rotating driven gear, the rotating driven gear comprises a gear portion and a cylinder portion, the gear portion comprises a central round hole, and one end of the cylinder portion penetrates through the central round hole and is fixed with the gear portion.

Further, the two fixing blocks are clamped together through the clamping assembly, a first clamping table and a second clamping table are respectively arranged on each fixing block, a cylinder part clamping groove which is arranged corresponding to the second clamping table is formed in the cylinder part, the fixing blocks are fixed with the rotary driven gear through the second clamping table and the cylinder part clamping groove, and the fixing blocks are fixed with the gun barrel assembly through the first clamping table and the gun barrel assembly clamping groove; when the rotary driven wheel rotates, the gun barrel component is driven to rotate through the fixed block, so that the rotation function of the remote end actuator is realized.

Further, the swing angle assembly comprises a swing angle motor, a swing angle lead screw, a swing angle driving gear and a swing angle driven gear, wherein the swing angle driving gear is meshed with the swing angle driven gear, the swing angle driven gear is in spiral fit with the swing angle lead screw, and the swing angle motor rotates to drive the swing angle lead screw to move forwards and backwards through the swing angle driving gear and the swing angle driven gear; the swing angle lead screw passes through the cylinder part of the rotary driven wheel and can move back and forth in the cylinder part; the swing angle screw rod is of a hollow structure, and the firing push rod penetrates through the swing angle screw rod and can move back and forth in the swing angle screw rod.

Further, the swing angle driven gear is provided with a central hole, the wall of the central hole is provided with threads, and the outer wall of the swing angle lead screw is correspondingly provided with threads.

Further, the swing angle assembly further comprises a swing angle crank and a swing angle connecting rod, a crank ring groove is formed in the swing angle lead screw and is matched with the annular clamping table on the swing angle crank, the swing angle crank is fixedly connected with the swing angle connecting rod through a crank pull pin, and when the swing angle lead screw moves forwards and backwards, the swing angle crank is driven to move forwards and backwards, so that the swing angle connecting rod is driven to move forwards and backwards, and the left swing angle function and the right swing angle function of the remote actuator are achieved.

Further, the electric anastomat further comprises a first bracket, a second bracket and a gear frame, wherein the second bracket and the gear frame are fixed on the first bracket, the main driving component is fixed on the first bracket, the rotating motor and the swing angle motor are fixed on the second bracket, and the gear components of the rotating component and the swing component are arranged in the gear frame.

Further, the electric anastomat further comprises a main circuit board and an auxiliary circuit board, wherein the main circuit board and the auxiliary circuit board are respectively fixed on two sides of the first bracket, a control circuit and a first guide key of the electric anastomat are arranged on the main circuit board, and a second guide key is arranged on the auxiliary circuit board, wherein the first guide key and the second guide key are symmetrically arranged and have the same function, and the first guide key and the second guide key have triggering functions in five directions, namely, left and right, front and back and downward pressing, and correspond to the rotation of the actuator, the left and right swing angle of the actuator and the starting firing confirmation function of the actuator respectively.

With such a design, the utility model has at least the following advantages:

(1) According to the electric anastomat, the electric main driving assembly, the rotating assembly and the swing angle assembly are arranged, so that a doctor can conveniently operate the electric anastomat, the efficiency can be improved, and the operation time can be shortened.

(2) The electric anastomat is operated by adopting the keys, can realize one-hand operation, and greatly reduces the operation difficulty.

(3) The utility model has the advantages of ingenious structure, good effect, low cost and easy process realization.

Drawings

The foregoing is merely an overview of the present utility model, and the present utility model is further described in detail below with reference to the accompanying drawings and detailed description.

FIG. 1 is a schematic view of the overall structure of the electric stapler of the present utility model;

FIG. 2 is a schematic view showing the internal structure of a driving part of the electric stapler of the present utility model;

FIG. 3 is a schematic view of the structure of the tilt angle assembly and the swivel assembly of the present utility model;

FIG. 4 is a schematic view of the internal structure of the tilt angle assembly and swivel assembly of the present utility model;

FIG. 5 is a schematic view of a first circuit board mounting structure according to the present utility model;

FIG. 6 is a schematic diagram of a second circuit board mounting structure according to the present utility model;

FIG. 7 is a schematic view of the structure of the fixing block of the present utility model;

FIG. 8 is a schematic view of the structure of the rotary screw of the present utility model;

fig. 9 is a schematic view of the swing crank structure of the present utility model.

Reference numerals, 101 firing motor, 102 firing gear, 103 firing driven gear, 104 firing rack, 105 first rack, 106 main circuit board, 1061 first guide key, 107 secondary circuit board, 1071 second guide key, 200 second rack, 201 rotating motor, 202 swing angle motor, 203 gear rack, 2031 rotating driven gear, 20310 fixed block clamping groove, 2032 rotating drive gear, 2033 swing angle drive gear, 2034 swing angle driven gear, 2041 fixed block, 20410 barrel assembly clamping table, 20411 rotating driven wheel clamping table, 205 swing angle lead screw, 2052 crank ring groove, 209 swing angle crank, 2091 annular clamping table, 210 crank pull pin, 211 swing angle connecting rod, 30 barrel assembly, 301 firing push rod, 3020 barrel assembly clamping groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In this document, "upper", "lower", and the like are used merely to denote relative positional relationships between related parts, and do not limit the absolute positions of the related parts.

The end of each component that is closer to the operator is defined as the proximal end and the end that is farther from the operator is defined as the distal end. The proximal and distal expressions are used for simplicity and clarity of description only and should not be construed as limiting the utility model in any way.

Referring to fig. 1-9, an electric stapler includes a main drive assembly, a rotary assembly, and a pivot angle assembly; the main driving component is used for driving the actuator to close, anastomose and retract, the rotating component is used for driving the actuator to rotate 360 degrees, and the swinging angle component is used for driving the actuator to swing left and right; wherein the main driving assembly, the rotating assembly and the swinging assembly all comprise a motor and a gear assembly; the main driving component, the rotating component and the swinging component can be respectively and independently operated and do not influence each other when the operation is performed.

Referring to fig. 1-2, the main drive assembly includes: the trigger motor 101, the trigger gear 102, the trigger driven gear 103 and the trigger rack 104, wherein the distal end of the trigger rack 104 is connected with the proximal end of the trigger push rod 301, and the trigger push rod 301 can freely rotate around an axis relative to the trigger rack 104; the firing gear 102 is meshed with the firing driven gear 103, the firing driven gear 103 is meshed with the firing rack 104, and when the firing motor 101 rotates forward or reversely according to a main control instruction, the rotation motion can be converted into linear motion through the firing gear 102, the firing driven gear 103 and the firing rack 104, so that the functions of driving the far-end actuator to close, anastomose and retract are realized.

Referring to fig. 2 to 4, the rotating assembly includes a rotating motor 201, a rotating driving gear 2032, and a rotating driven gear 2031, and is connected with the barrel assembly 30 through a fixing block 2041, wherein the rotating driven gear 2031 includes a gear portion including a central circular hole and a cylinder portion having one end penetrating the central circular hole and fixed with the gear portion. The rotary driving gear 2032 is meshed with the rotary driven gear 2031, the rotary motor 201 comprises a non-circular output shaft, the rotary driving gear 2032 comprises a central hole matched with the output shaft in shape, the output shaft penetrates through the central hole of the rotary driving gear 2032 to drive the rotary driving gear 2032 to rotate around the axis, the rotary driving gear 2032 rotates to drive the rotary driven gear 2031 to rotate, and the fixed block 2041 drives the gun barrel assembly 30 to rotate.

Further, the number of the fixing blocks 2041 is two, the two fixing blocks are clamped together by the clamping assembly, the specific mode of the structure of the clamping assembly is not limited, as long as the two fixing blocks can be clamped together, preferably, referring to fig. 7, the clamping structure comprises a convex column arranged on one fixing block and a groove arranged on the other fixing block and corresponding to the convex column. Each of the fixing blocks 2041 is provided with a first clamping table 20410 and a second clamping table 20411, a cylindrical portion clamping groove 20310 which is arranged corresponding to the second clamping table 20411 is formed in the cylindrical portion, the fixing block 2041 is fixed to the rotation driven gear 2031 through the second clamping table 20411 and the cylindrical portion clamping groove 20310, and the fixing block 2041 is fixed to the barrel assembly 30 through the first clamping table 20410 and the barrel assembly clamping groove 3020. When the rotary driven wheel 2031 rotates, the gun barrel assembly 30 and the nail cartridge assembly loaded on the gun barrel assembly are driven to rotate through the fixing block 2041, so that the rotation function of the distal end actuator is realized.

The swing angle assembly comprises a swing angle motor 203, a swing angle lead screw 205, a swing angle driving gear 2033 and a swing angle driven gear 2034, wherein the swing angle driving gear 2033 is meshed with the swing angle driven gear 2034, the swing angle driven gear 2034 is in spiral fit with the swing angle lead screw 205, and the swing angle motor 203 rotates to drive the swing angle lead screw 205 to move back and forth through the swing angle driving gear 2033 and the swing angle driven gear 2034; the swing angle screw 205 passes through the cylindrical portion of the rotating driven wheel 2031 and is movable back and forth within the cylindrical portion; the swing angle screw 205 has a hollow structure, and the firing push rod 301 passes through the swing angle screw and can move back and forth in the swing angle screw 205.

Further, the swing angle driven gear 2034 is provided with a central hole, the wall of the central hole is provided with threads, and the outer wall of the swing angle lead screw 205 is correspondingly provided with threads; preferably, the threads may be triangular threads, trapezoidal threads or rectangular threads. The swing angle motor 203 comprises a non-circular output shaft, the swing angle driving gear 2033 is provided with a central hole matched with the shape of the output shaft, and the output shaft passes through the central hole of the swing angle driving gear 2033 to drive the swing angle driving gear 2033 to rotate around the axis, the swing angle driving gear 2033 rotates to drive the swing angle driven gear 2034 to rotate, and the swing angle driven gear 2034 rotates to drive the swing angle lead screw 205 to move back and forth.

Further, the swing angle assembly further includes a swing angle crank 209 and a swing angle connecting rod 211, the swing angle lead screw 205 is provided with a crank ring groove 2052 (see fig. 8), which is matched with the annular clamping platform 2091 (see fig. 9) on the swing angle crank 209, the swing angle crank 209 is fixedly connected with the swing angle connecting rod 211 through a crank pull pin 210, and when the swing angle lead screw 205 moves forwards and backwards, the swing angle crank 209 is driven to move forwards and backwards, so as to drive the swing angle connecting rod 211 to move forwards and backwards, and the left and right swing angle function of the remote actuator is realized.

The electric anastomat further comprises a first bracket 105, a second bracket 200 and a gear rack 203, wherein the second bracket and the gear rack 203 are fixed on the first bracket 105, a main driving component is fixed on the first bracket 105, a rotating motor and a swinging angle motor are fixed on the second bracket 200, and a gear assembly of the rotating component and the swinging component is arranged in the gear rack.

Further, referring to fig. 5-6, the electric stapler includes a main circuit board 106 and a secondary circuit board 107, the main circuit board 106 and the secondary circuit board 107 are respectively fixed on two sides of the first bracket, a control circuit and a first guide key 1061 of the electric stapler are arranged on the main circuit board 106, and a second guide key 1071 is arranged on the secondary circuit board, wherein the first guide key 1061 and the second guide key 1071 are symmetrically arranged and have the same functions, and the first guide key 1061 and the second guide key 1071 have triggering functions in five directions, namely, left-right, front-back and downward pressing, respectively correspond to the rotation of the actuator, the left-right swing angle of the actuator and the starting firing confirmation function of the actuator.

After the anastomat assembly is loaded, before the anastomat assembly is closed, the angle and the azimuth of the actuator can be adjusted through the guide key according to the operation requirement, the central position of the guide key is pressed down to start the firing confirmation function, but the function can be normally used only under the condition of closing in place, the guide key is triggered to one direction each time by an operator, the on-off signal is transmitted to the main chip, and after the main chip is identified, the corresponding logic is controlled to be matched with the execution part to realize the function. After the instrument is closed, the angle and the direction of the nail box cannot be adjusted any more, and if the nail box needs to be adjusted again, the firing of the instrument needs to be reset to the initial position.

Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the utility model disclosed herein. This utility model is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the utility model being indicated by the following claims.

It is to be understood that the utility model is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.

Claims (10)

1. An electric anastomat comprises a main driving component, a rotating component and a swing angle component; the main driving component is used for driving the actuator to close, anastomose and retract, the rotating component is used for driving the actuator to rotate 360 degrees, and the swinging angle component is used for driving the actuator to swing left and right; wherein, the main driving component, the rotating component and the swinging component all comprise a motor and a gear component; the main driving component, the rotating component and the swinging component can be respectively and independently operated and do not influence each other when the operation is performed.

2. The powered stapler of claim 1, wherein the main drive assembly includes: the device comprises a firing motor, a firing gear, a firing driven gear and a firing rack, wherein the distal end of the firing rack is connected with the proximal end of a firing push rod, and the firing push rod can freely rotate around an axis relative to the firing rack; the firing gear is meshed with the firing driven gear, the firing driven gear is meshed with the firing rack, and when the firing motor rotates forwards or reversely according to the main control instruction, the rotation motion is converted into linear motion through the firing gear, the firing driven gear and the firing rack, and the distal end actuator is driven to perform closing, anastomosis and rollback functions.

3. The electric stapler of claim 2, wherein the rotary assembly comprises a rotary motor, a rotary driving gear, and a rotary driven gear, the rotary assembly is connected to the barrel assembly by a fixed block, wherein the rotary driving gear is engaged with the rotary driven gear, the rotary driven gear comprises a gear portion and a cylindrical portion, the gear portion comprises a central circular hole, and one end of the cylindrical portion passes through the central circular hole and is fixed to the gear portion.

4. The electric anastomat according to claim 3, wherein the number of the fixing blocks is two, the two fixing blocks are clamped together through a clamping assembly, a first clamping table and a second clamping table are respectively arranged on each fixing block, a cylinder part clamping groove which is arranged corresponding to the second clamping table is formed in the cylinder part, the fixing blocks are fixed with the rotary driven gear through the second clamping table and the cylinder part clamping groove, and the fixing blocks are fixed with the gun barrel assembly through the first clamping table and the gun barrel assembly clamping groove; when the rotary driven wheel rotates, the gun barrel component is driven to rotate through the fixed block, so that the rotation function of the remote end actuator is realized.

5. The electric stapler of claim 4, wherein the swing angle assembly comprises a swing angle motor, a swing angle lead screw, a swing angle driving gear and a swing angle driven gear, the swing angle driving gear is meshed with the swing angle driven gear, the swing angle driven gear is in spiral fit with the swing angle lead screw, and the swing angle motor rotates to drive the swing angle lead screw to move back and forth through the swing angle driving gear and the swing angle driven gear; the swing angle lead screw passes through the cylinder part of the rotary driven wheel and can move back and forth in the cylinder part; the swing angle screw rod is of a hollow structure, and the firing push rod penetrates through the swing angle screw rod and can move back and forth in the swing angle screw rod.

6. The electric stapler of claim 5, wherein the swing angle driven gear is provided with a central hole, the wall of the central hole is provided with threads, and the outer wall of the swing angle screw is correspondingly provided with threads.

7. The electric stapler of claim 5, wherein the swing angle assembly further comprises a swing angle crank and a swing angle connecting rod, the swing angle lead screw is provided with a crank ring groove which is matched with the annular clamping table on the swing angle crank, the swing angle crank is fixedly connected with the swing angle connecting rod through a crank pull pin, and when the swing angle lead screw moves forwards and backwards, the swing angle crank is driven to move forwards and backwards, and accordingly the swing angle connecting rod is driven to move forwards and backwards, so that a left swing angle function and a right swing angle function of the remote actuator are achieved.

8. The powered stapler of claim 5, further comprising a first frame, a second frame, and a gear frame, wherein the second frame and the gear frame are secured to the first frame, wherein the main drive assembly is secured to the first frame, wherein the rotary motor and the swing angle motor are secured to the second frame, and wherein the gear train members of the rotary assembly and the swing assembly are disposed within the gear frame.

9. The electric stapler of claim 8, further comprising a main circuit board and a sub circuit board, wherein the main circuit board and the sub circuit board are respectively fixed on two sides of the first bracket, the main circuit board is provided with a control circuit and a first guide key of the electric stapler, and the sub circuit board is provided with a second guide key, wherein the first guide key and the second guide key are symmetrically arranged and have the same function for controlling the operation of the stapler.

10. The electric stapler of claim 9, wherein the first and second guide buttons have five directional triggers, i.e., left and right, front and back, and downward presses, corresponding to the rotation of the actuator, the left and right swing angle of the actuator, and the firing confirmation function of the actuator, respectively.