Drive control system and drive control method of electric laparoscopic stapler

Abstract

The present invention provides a driving control system and driving control method of an electric laparoscopic stapler, wherein the driving control system is arranged inside a housing, and comprises: a switch circuit, a display circuit and a power supply; the power supply, a front position sensing switch, a rear position sensing switch, a first power state display element, a second power state display element, a first tool position display element, a second tool position display element, a third tool position display element, a clamping state display element, a clamping contact switch, a firing contact switch and a motor are all connected to a controller. In the driving control system of the present invention, medical staff can grasp the power state of the driving control system through the power display component, grasp the position of the cutting knife of the driving control system through the tool position display component, and grasp whether the nail support and the nail magazine base are in a closed state through the clamping state display element.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to a drive control system and a drive control method for an electric laparoscope stapler. Background Art

[0002] A stapler is a device used in medicine to replace manual suturing. The current mainstream manual laparoscopic staplers require manual multiple gripping of the firing handle during use, and the stapler's traditional mechanical mechanism is used to push the stapler assembly to close and form. Improper operation can easily cause pulling and tearing of the sutured tissue. Electric staplers are simple and smooth to operate. Studies have shown that compared with manual staplers, surgeons reduce bleeding complications by nearly half when using electric staplers. However, when using existing electric staplers, medical staff cannot understand the power level and operating status of the stapler in real time. How to design a stapler that allows medical staff to understand the power level and operating status of the instrument is a problem that technical personnel in this field need to solve. Summary of the invention

[0003] In view of the above-mentioned shortcomings of the prior art, the technical problem to be solved by the present invention is to provide a drive control system and a drive control method for an electric laparoscopic stapler.

[0004] In order to solve the above technical problems, the present invention provides a driving control system for an electric laparoscopic stapler, wherein the electric laparoscopic stapler comprises a housing;

[0005] The housing comprises an outer shell and an inner shell arranged inside the outer shell;

[0006] A motor and a cutting transmission component are also provided inside the shell, the input end of the cutting transmission component is connected to the output shaft of the motor, the output end of the cutting transmission component is connected to the rear end of the driving member, the front end of the driving member is connected to the cutting knife, and a shielding member is provided on the outer side of the rear end of the driving member; a front position sensing switch and a rear position sensing switch are also provided inside the shell, and both the front position sensing switch and the rear position sensing switch are located on the moving path of the shielding member; a firing driving button is also installed on the shell, and the firing driving button can rotate relative to the shell;

[0007] A support shaft is also provided inside the shell; a closed lock plate is provided at the lower part of the shell, and a closed lock groove is provided on the closed lock plate; a closed handle is sleeved on the support shaft, and the closed handle can rotate relative to the support shaft, and a closed positioning piece is provided at the lower end of the closed handle; the closed handle is connected to the rear end of the outer sleeve through a closed driving component, and the front end of the outer sleeve is connected to the steering sleeve; the nail magazine base is arranged inside the steering sleeve; the nail anvil is arranged inside the steering sleeve and is connected to the steering sleeve; the nail anvil is located above the nail magazine base, and the nail anvil is movably connected to the nail magazine base;

[0008] The drive control system is arranged inside the housing and includes: a switch circuit, a display circuit and a power supply;

[0009] The switch circuit includes a clamping contact switch and a firing contact switch; the firing contact switch is located on the rotation path of the firing drive button; the clamping contact switch is located on the movement path of the closing handle;

[0010] The display circuit includes a power display component, a tool position display component and a clamping state display element; the power display component includes a first power state display element and a second power state display element; the tool position display component includes a first tool position display element, a second tool position display element and a third tool position display element;

[0011] The power supply, the front position sensing switch, the rear position sensing switch, the first power status display element, the second power status display element, the first tool position display element, the second tool position display element, the third tool position display element, the clamping status display element, the clamping contact switch, the firing contact switch and the motor are all connected to the controller.

[0012] Preferably, a retraction button is also installed on the housing, and the retraction button is movable relative to the housing; the switch circuit also includes a retraction contact switch connected to the controller, and the retraction contact switch is located on the moving path of the retraction button.

[0013] Furthermore, the power display component also includes a third power status display element, and the third power status display element is connected to the controller.

[0014] Furthermore, the first power status display element is a green light, the second power status display element is a red light, and the third power status display element is a yellow light; the first tool position display element is a green light, the second tool position display element is a red light, and the third tool position display element is a yellow light; the clamping status display element is a green light.

[0015] Preferably, the drive control system of the electric laparoscopic stapler further includes a drive circuit, which includes a relay and a double-pole double-throw switch connected to each other, and the double-pole double-throw switch is connected to the signal input port of the motor; the relay is connected to the controller.

[0016] Preferably, the driving control system of the electric laparoscopic stapler further includes a reset circuit and a register, and both the reset circuit and the register are connected to the controller; the register records the number of times the shielding member enters the front position sensing switch and the rear position sensing switch.

[0017] A drive control method for an electric laparoscopic stapler of the present invention adopts the drive control system of the electric laparoscopic stapler, comprising the following steps:

[0018] 1) The power supply is connected, the power display component is started, and when the power detected by the controller is within the preset power range, the first power status display element is always on, and step 2) is performed; when the controller detects that the power is exhausted, the second power status display element is always on, and the power supply needs to be replaced;

[0019] 2) When the cutting knife is in the initial position, the shielding member on the driving member is in the rear position sensing switch, and the controller obtains the activation signal of the rear position sensing switch, then the first tool position display element flashes, and step 3) is performed; when the cutting knife is not in the initial position, the controller does not obtain the activation signal of the rear position sensing switch, then the cutting knife is not in the initial position, and the knife retracting operation is performed;

[0020] 3) After installing the nail magazine in the nail magazine base, the closing handle is rotated, the closing positioning piece on the closing handle is inserted into the closing locking groove, the closing handle drives the outer sleeve to move forward through the closing driving component, the outer sleeve pushes the steering sleeve to move forward, the steering sleeve drives the nail anvil to rotate in the direction of closing with the nail magazine base, the nail anvil is closed with the nail magazine base, and at the same time, the closing handle activates the clamping contact switch, the controller obtains the activation signal of the clamping contact switch, and the controller controls the clamping state display element to flash, and step 4) is performed;

[0021] 4) Pressing the firing drive button, the firing drive button activates the firing contact switch, the controller obtains the activation signal of the firing contact switch, the controller controls the first tool position display element to be always on, the controller drives the motor to rotate forward, the motor drives the driving member to move forward through the cutting transmission member, and the driving member drives the cutting knife to move forward; when the shielding member on the driving member is in the front position sensing switch, the controller obtains the activation signal of the front position sensing switch, and the controller drives the motor to reverse; when the shielding member on the driving member returns to the rear position sensing switch, the controller obtains the activation signal of the rear position sensing switch, at this time, the operation of the cutting knife ends, and the controller controls the clamping state display element to be always on; proceed to step 5);

[0022] 5) Turn the closing handle, the closing positioning piece on the closing handle withdraws from the closing locking groove, the clamping contact switch is not activated, the controller controls the clamping state display element to go out, and the controller controls the first tool position display element to flash; return to step 3).

[0023] Preferably, when the retract button is pressed, the retract button activates the retract contact switch, the controller obtains the activation signal of the retract contact switch, the controller drives the motor to reverse, and the motor drives the drive member to move backward through the cutting transmission component.

[0024] Preferably, when both the front position sensing switch and the rear position sensing switch are inactive and the firing contact switch is inactive, the third tool position display element flashes.

[0025] Preferably, when the controller detects that the voltage of the drive control system is overloaded, the second tool position display element flashes.

[0026] As described above, the drive control system and drive control method of the electric laparoscopic stapler of the present invention have the following beneficial effects:

[0027] In the drive control system of the electric laparoscopic stapler of the present invention, after the firing drive button is pressed and the firing contact switch is activated, the controller drives the motor to rotate forward, and the motor drives the driving member to move forward through the cutting transmission component, and the driving member drives the cutting knife to move forward, which can reduce the physical exertion of medical staff during the operation, thereby reducing the burden on medical staff and reducing errors during the operation; because the cutting knife is driven by the motor, the drive control system of the electric laparoscopic stapler can provide a continuous and strong cutting force, which is suitable for various surgical environments and reduces medical accidents caused by cutting errors; medical staff can grasp the power status of the drive control system through the power display component, the medical staff can grasp the cutting knife position of the drive control system through the tool position display component, and the medical staff can grasp whether the nail support and the nail magazine base are in a closed state through the clamping state display element, so that the medical staff can grasp the surgical process, which is in line with the humanized design concept. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 Shown is a circuit diagram of the drive control system of the electric laparoscopic stapler of this embodiment.

[0029] Figure 2 It is a schematic diagram of the external structure of the electric laparoscopic stapler of this embodiment when the stapler seat and stapler magazine base are closed.

[0030] Figure 3 It shows a schematic structural diagram of the cutting transmission component when the electric laparoscopic stapler of this embodiment is not provided with a housing.

[0031] Figure 4 Display as Figure 3 Schematic diagram of the enlarged structure at A.

[0032] Figure 5 It shows a three-dimensional structural schematic diagram of the cutting transmission component when the electric laparoscopic stapler of this embodiment is not provided with a housing.

[0033] Figure 6 It is a schematic diagram of the external structure of the electric laparoscopic stapler of this embodiment when the stapler seat and stapler magazine base are opened.

[0034] Figure 7 Display as Figure 6 Schematic diagram of the enlarged structure at B.

[0035] Figure 8 It shows a schematic structural diagram of the closed driving component of the electric laparoscopic stapler of this embodiment when the housing is not provided and the anvil and the staple magazine base are opened.

[0036] Fig. 9 Display as Figure 8 Schematic diagram of the enlarged structure at C.

[0037] Fig.10 It shows a schematic structural diagram of the closing driving component of the electric laparoscopic stapler of this embodiment when the housing is not provided and the anvil and the staple magazine base are closed.

[0038] Fig.11 Display as Fig.10 Schematic diagram of the enlarged structure at D.

[0039] Fig.12 It shows a schematic structural diagram of the closed driving component when the housing of the electric laparoscopic stapler of this embodiment is set and the stapler seat and the staple magazine base are closed.

[0040] Fig.13 Display as Fig.12 Schematic diagram of the enlarged structure at E.

[0041] Fig.14 Shown is a schematic diagram of the structure when the closing handle of the electric laparoscopic stapler of this embodiment is in contact with the clamping contact switch.

[0042] Fig.15 Shown is a schematic diagram of the driving control system of the electric laparoscopic stapler of this embodiment under the control of the controller.

[0043] Description of Figure Numbers

[0044] 100 Shell

[0045] 110 Housing

[0046] 120 Inner shell

[0047] 210 Motor

[0048] 220 Cutting transmission parts

[0049] 221 driving gear

[0050] 222 Driven gear

[0051] 230 Drive parts

[0052] 231 shielding parts

[0053] 240 Cutting Knife

[0054] 251 Front position sensor switch

[0055] 252 Rear position sensor switch

[0056] 260 Firing drive button

[0057] 270 Back button

[0058] 310 Support shaft

[0059] 320 Closed Lock Plate

[0060] 321 Closed locking slot

[0061] 330 Closed handle

[0062] 331 Closure Positioner

[0063] 340 Closing drive components

[0064] 341 outer tube lock plate

[0065] 342 Closing link

[0066] 343 Spring

[0067] 350 Outer sleeve

[0068] 360 Steering Bushing

[0069] 370 nail box base

[0070] 380 Anchor

[0071] 400 Switching Circuit

[0072] 410 Pinch Contact Switch

[0073] 420 Firing contact switch

[0074] 430 Retract contact switch

[0075] 500 Display Circuit

[0076] 510 Power Display Component

[0077] 511 First power status display element

[0078] 512 Second power status display element

[0079] 513 Third power status display element

[0080] 520 Tool position display component

[0081] 521 First tool position display element

[0082] 522 Second tool position display element

[0083] 523 Third tool position display element

[0084] 530 Clamping status display element

[0085] 600 Power Supply

[0086] 700 Controller

[0087] 811 voltage regulator chip

[0088] 820 drive circuit

[0089] 821 Relay

[0090] 822 Double Pole Double Throw Switch

[0091] 910 Reset Circuit

[0092] 920 Registers DETAILED DESCRIPTION

[0093] The following is a description of the implementation of the present invention by means of specific embodiments. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0094] Please refer to the attached drawings. It should be noted that the structures, proportions, sizes, etc. illustrated in the attached drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention, so they have no substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size should still fall within the scope of the technical content disclosed by the present invention without affecting the effects and purposes that can be achieved by the present invention. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the present invention. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the present invention without substantially changing the technical content.

[0095] like Figures 1 to 15 As shown, the driving control system of the electric laparoscopic stapler of this embodiment, the electric laparoscopic stapler: comprises a housing 100;

[0096] The housing 100 includes an outer shell 110 and an inner shell 120 disposed inside the outer shell 110;

[0097] A motor 210 and a cutting transmission component 220 are also provided inside the housing 110. The input end of the cutting transmission component 220 is connected to the output shaft of the motor 210, and the output end of the cutting transmission component 220 is connected to the rear end of the driving member 230. The front end of the driving member 230 is connected to the cutting knife 240. A shielding member 231 is provided on the outer side of the rear end of the driving member 230. A front position sensing switch 251 and a rear position sensing switch 252 are also provided inside the housing 110. Both the front position sensing switch 251 and the rear position sensing switch 252 are located on the moving path of the shielding member 231. A firing driving button 260 is also installed on the housing 110. The firing driving button 260 can rotate relative to the housing 110. Both the front position sensing switch 251 and the rear position sensing switch 252 are photoelectric limit switches.

[0098] A support shaft 310 is also provided inside the housing 110; a closing lock plate 320 is provided at the lower part of the housing 110, and a closing lock groove 321 is provided on the closing lock plate 320; a closing handle 330 is sleeved on the support shaft 310, and the closing handle 330 can rotate relative to the support shaft 310, and a closing positioning member 331 is provided at the lower end of the closing handle 330; the closing handle 330 is connected to the rear end of the outer sleeve 350 through the closing drive component 340, and the front end of the outer sleeve 350 is connected to the steering sleeve 360; the nail magazine base 370 is arranged inside the steering sleeve 360; the nail anvil 380 is arranged inside the steering sleeve 360 ​​and connected to the steering sleeve 360; the nail anvil 380 is located above the nail magazine base 370, and the nail anvil 380 is movably connected to the nail magazine base 370;

[0099] The drive control system is arranged inside the housing 110 and includes: a switch circuit 400, a display circuit 500 and a power supply 600;

[0100] The switch circuit 400 includes a clamping contact switch 410 and a firing contact switch 420; the firing contact switch 420 is located on the rotation path of the firing drive button 260; the clamping contact switch 410 is located on the movement path of the closing handle 330;

[0101] The display circuit 500 includes a power display component 510, a tool position display component 520 and a clamping state display element 530; the power display component 510 includes a first power state display element 511 and a second power state display element 512; the tool position display component 520 includes a first tool position display element 521, a second tool position display element 522 and a third tool position display element 523;

[0102] The power supply 600, the front position sensing switch 251, the rear position sensing switch 252, the first power status display element 511, the second power status display element 512, the first tool position display element 521, the second tool position display element 522, the third tool position display element 523, the clamping status display element 530, the clamping contact switch 410, the firing contact switch 420 and the motor 210 are all connected to the controller 700.

[0103] In the driving control system of the electric laparoscopic stapler of the present invention, after pressing the firing drive button 260 and activating the firing contact switch 420, the controller 700 drives the motor 210 to rotate forward, and the motor 210 drives the driving member 230 to move forward through the cutting transmission member 220, and the driving member 230 drives the cutting knife 240 to move forward, which can reduce the physical exertion of medical staff during the operation, thereby reducing the burden on medical staff and reducing errors during the operation; because the motor 210 drives the cutting knife 240, the driving control system of the electric laparoscopic stapler can provide a continuous and strong cutting force, which is suitable for various surgical environments and reduces medical accidents caused by cutting errors; medical staff can grasp the power status of the driving control system through the power display component 510, the medical staff can grasp the position of the cutting knife 240 of the driving control system through the tool position display component 520, and the medical staff can grasp whether the nail support 380 and the nail magazine base 370 are in a closed state through the clamping state display element 530, so that the medical staff can grasp the surgical process, which conforms to the humanized design concept.

[0104] The housing 110 is also provided with a retract button 270, which can move relative to the housing 110; the switch circuit 400 further includes a retract contact switch 430 connected to the controller 700, and the retract contact switch 430 is located on the moving path of the retract button 270. When the retract button 270 is pressed, the retract button 270 activates the retract contact switch 430, the controller 700 obtains the activation signal of the retract contact switch 430, the controller 700 drives the motor 210 to reverse, the motor 210 drives the driving member 230 to move backward through the cutting transmission member 220, and the driving member 230 drives the cutting blade 240 to move backward.

[0105] The power display assembly 510 further includes a third power state display element 513, which is connected to the controller 700. When the power monitored by the controller 700 is not within the preset power range, the third power state display element 513 is always on to indicate that the power supply 600 can be replaced.

[0106] The first power state display element 511 is a green light, the second power state display element 512 is a red light, and the third power state display element 513 is a yellow light; the first tool position display element 521 is a green light, the second tool position display element 522 is a red light, and the third tool position display element 523 is a yellow light; the clamping state display element 530 is a green light. This structure can facilitate medical staff to distinguish various operating conditions of the drive control system. The first power state display element 511, the second power state display element 512, the third power state display element 513, the first tool position display element 521, the second tool position display element 522, the third tool position display element 523 and the clamping state display element 530 are all LED lights.

[0107] The driving control system of the electric laparoscopic stapler also includes a voltage conversion circuit, which includes a voltage stabilizing chip 811. The receiving end of the voltage stabilizing chip 811 is connected to the power supply 600, and the output end of the voltage stabilizing chip 811 is connected to the controller 700. Through the voltage conversion circuit, a stable voltage can be passed to the controller 700.

[0108] The driving control system of the electric laparoscopic stapler also includes a driving circuit 820, which includes a relay 821 and a double-pole double-throw switch 822 connected to each other, and the double-pole double-throw switch 822 is connected to the signal input port of the motor 210; the relay 821 is connected to the controller 700. The controller 700 controls the forward and reverse rotation of the motor 210 through the driving circuit 820.

[0109] The closing drive component 340 includes an outer tube lock plate 341, a closing link 342 and a spring 343; the outer tube lock plate 341 is arranged in the inner shell 120, the rear end of the outer tube lock plate 341 is hinged to one end of the closing link 342, and the other end of the closing link 342 is hinged to the upper end of the closing handle 330; the rear end of the outer sleeve 350 penetrates into the inner shell 120, and the rear end of the outer sleeve 350 is connected to the outer tube lock plate 341; the outer sleeve 350 is provided with a spring 343, and the spring 343 is located between the inner shell 120 and the front end of the outer tube lock plate 341. The closing handle 330 is pressed down so that the closing positioning piece 331 at the lower end of the closing handle 330 is inserted into the closing locking groove 321 of the closing locking plate 320, and then the closing handle 330 is released and the closing handle 330 is locked by the closing locking plate 320; the closing handle 330 pushes the outer tube locking plate 341 to move forward through the closing connecting rod 342, and the outer tube locking plate 341 drives the outer sleeve 350 to move forward, and the outer sleeve 350 pushes the steering sleeve 360 ​​to move forward through the sleeve connecting piece, and the steering sleeve 360 ​​drives the nail support seat 380 to rotate in the direction of closing with the nail magazine base 370, and the nail support seat 380 is closed with the nail magazine base 370, and the pressing of the tissue by the nail support seat 380 is completed.

[0110] The cutting transmission component 220 is arranged inside the housing 110, and includes a driving gear 221 and a driven gear 222; the output end of the motor 210 is connected to the driving gear 221; the driving gear 221 and the driven gear 222 can both rotate; the driving gear 221 meshes with the driven gear 222; the central axis of the driving gear 221 is perpendicular to the central axis of the driven gear 222; the central axis of the driving gear 221 is perpendicular to the front-rear direction of the housing 100; a threaded hole is provided on the driven gear 222; the driving member 230 is a screw rod, and the screw rod is connected to the threaded hole. The motor 210 drives the driving gear 221 to rotate, the driving gear 221 drives the driven gear 222 to rotate, and the driven gear 222 drives the screw rod to move, and the cutting transmission component 220 has a simple structure and is easy to transmit.

[0111] A drive control method for an electric laparoscopic stapler of the present invention adopts a drive control system of the electric laparoscopic stapler, comprising the following steps:

[0112] 1) The power supply 600 is connected, the voltage conversion circuit converts the voltage of the power supply 600 and transmits it to the controller 700, and the switch circuit 400 and the display circuit 500 start to operate normally; the power display component 510 is started, and when the power detected by the controller 700 is within the preset power range, the first power status display element 511 is always on green, and step 2) is performed; when the controller 700 detects that the power is exhausted, the second power status display element 512 is always on red, and the power supply 600 needs to be replaced; when the power detected by the controller 700 is not within the preset power range, the third power status display element 513 is always on yellow, and the power supply 600 needs to be replaced;

[0113] 2) When the cutting knife 240 is in the initial position, the shielding member 231 on the driving member 230 is in the rear position sensing switch 252, and the controller 700 obtains the activation signal of the rear position sensing switch 252, then the first tool position display element 521 flashes green, and step 3) is performed; when the cutting knife 240 is not in the initial position, the controller 700 does not obtain the activation signal of the rear position sensing switch 252, then the cutting knife 240 is not in the initial position, and the knife retracting operation is performed;

[0114] 3) After installing the nail magazine in the nail magazine base 370, the closing handle 330 is rotated, and the closing positioning piece 331 on the closing handle 330 is inserted into the closing locking groove 321. The closing handle 330 drives the outer sleeve 350 to move forward through the closing driving component 340. The outer sleeve 350 pushes the steering sleeve 360 ​​to move forward, and the steering sleeve 360 ​​drives the nail support 380 to rotate in the direction of closing with the nail magazine base 370. The nail support 380 and the nail magazine base 370 are closed to clamp the tissue. At the same time, the closing handle 330 activates the clamping contact switch 410, and the controller 700 obtains the activation signal of the clamping contact switch 410. The controller 700 controls the clamping state display element 530 to flash green to indicate that the firing operation can be performed. At the same time, the controller 700 supplies power to the drive circuit 820, and the drive circuit 820 is powered on and runs, and step 4) is performed;

[0115] 4) Press the firing drive button 260, the firing drive button 260 activates the firing contact switch 420, the controller 700 obtains the activation signal of the firing contact switch 420, the controller 700 controls the first tool position display element 521 to be always green to indicate that the firing operation is running normally, the controller 700 transmits a forward current to the motor 210 through the drive circuit 820, and the motor 210 rotates forward, the motor 210 drives the driving member 230 to move forward through the cutting transmission component 220, and the driving member 230 drives the cutting knife 240 to move forward; when the shielding member 231 on the driving member 230 is in the front position sensing switch 251, the controller 700 obtains the activation signal of the front position sensing switch 251, the controller 700 transmits a reverse current to the motor 210 through the drive circuit 820, and the motor 210 reverses; when the shielding member 231 on the driving member 230 returns to the rear position sensing switch 252, the controller 700 The activation signal of the rear position sensing switch 252 is obtained. At this time, the operation of the cutting knife 240 is finished. The controller 700 controls the first tool position display element 521 to keep the green light on, and the controller 700 controls the clamping state display element 530 to keep the green light on, to indicate that the firing operation is finished. The controller 700 stops supplying power to the driving circuit 820, and the driving circuit 820 is powered off, and step 5 is performed.

[0116] 5) Turn the closing handle 330, the closing positioning piece 331 on the closing handle 330 withdraws from the closing locking groove 321 to release the tissue, the clamping contact switch 410 is not activated, the controller 700 controls the clamping status display element 530 to go out, and the controller 700 controls the first tool position display element 521 to flash green to indicate that the firing operation can be performed. The firing operation has been reset, the drive control system returns to the initial state, and returns to step 3).

[0117] When the retract button 270 is pressed, the retract button 270 activates the retract contact switch 430, and the controller 700 obtains the activation signal of the retract contact switch 430. The controller 700 transmits a reverse current to the motor 210 through the drive circuit 820, and the motor 210 reverses; the motor 210 drives the drive member 230 to move backward through the cutting transmission member 220 to facilitate retraction.

[0118] When the front position sensing switch 251 and the rear position sensing switch 252 are both inactive and the firing contact switch 420 is inactive, the third tool position display element 523 flashes yellow to indicate that the firing drive button 260 is released during the stroke.

[0119] The driving control system of the electric laparoscopic stapler also includes a reset circuit 910 and a register 920, both of which are connected to the controller 700; the register 920 records the number of times the shielding member 231 enters the front position sensing switch 251 and the rear position sensing switch 252. When the cutting knife 240 is fired once and the operation of the cutting knife 240 is completed, the controller 700 controls the data in the register 920 to be cleared; after returning to step 3), after the installation of the nail magazine in the nail magazine base 370 is completed, the reset circuit 910 outputs a reset signal to the controller 700, and the controller 700 drives the switch circuit 400 and the display circuit 500 to return to the initial state.

[0120] When the controller 700 detects that the voltage of the drive control system is overloaded, the second tool position display element 522 flashes to indicate an abnormal state.

[0121] In summary, the present invention effectively overcomes various shortcomings of the prior art and has high industrial utilization value.

[0122] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed by the present invention shall still be covered by the claims of the present invention.

Claims

1. A driving control system for an electric laparoscopic stapler, characterized in that: The electric laparoscopic stapler comprises a housing (100); The housing (100) comprises an outer shell (110) and an inner shell (120) arranged inside the outer shell (110); A motor (210) and a cutting transmission component (220) are also provided inside the housing (110); the input end of the cutting transmission component (220) is connected to the output shaft of the motor (210); the output end of the cutting transmission component (220) is connected to the rear end of a driving component (230); the front end of the driving component (230) is connected to a cutting blade (240); a shielding component (231) is provided on the outer side surface of the rear end of the driving component (230); a front position sensing switch (251) and a rear position sensing switch (252) are also provided inside the housing (110); the front position sensing switch (251) and the rear position sensing switch (252) are both located on the moving path of the shielding component (231); a firing driving button (260) is also installed on the housing (110); the firing driving button (260) can rotate relative to the housing (110); A support shaft (310) is also provided inside the housing (110); a closing lock plate (320) is provided at the lower part of the housing (110), and a closing lock groove (321) is provided on the closing lock plate (320); a closing handle (330) is sleeved on the supporting shaft (310), and the closing handle (330) can rotate relative to the supporting shaft (310), and a closing positioning member (331) is provided at the lower end of the closing handle (330); the closing handle (330) is driven by a closing mechanism. The component (340) is connected to the rear end of the outer sleeve (350), and the front end of the outer sleeve (350) is connected to the steering sleeve (360); the nail magazine base (370) is arranged inside the steering sleeve (360); the nail anvil (380) is arranged inside the steering sleeve (360) and connected to the steering sleeve (360); the nail anvil (380) is located above the nail magazine base (370), and the nail anvil (380) is movably connected to the nail magazine base (370); The drive control system is arranged inside the housing (110), and comprises: a switch circuit (400), a display circuit (500) and a power supply (600); The switch circuit (400) comprises a clamping contact switch (410) and a firing contact switch (420); the firing contact switch (420) is located on the rotation path of the firing drive button (260); the clamping contact switch (410) is located on the movement path of the closing handle (330); The display circuit (500) comprises a power display component (510), a tool position display component (520) and a clamping state display element (530); the power display component (510) comprises a first power state display element (511) and a second power state display element (512); the tool position display component (520) comprises a first tool position display element (521), a second tool position display element (522) and a third tool position display element (523); The power supply (600), the front position sensing switch (251), the rear position sensing switch (252), the first power state display element (511), the second power state display element (512), the first tool position display element (521), the second tool position display element (522), the third tool position display element (523), the clamping state display element (530), the clamping contact switch (410), the firing contact switch (420) and the motor (210) are all connected to the controller (700).

2. The driving control system of the electric laparoscopic stapler according to claim 1, characterized in that: The housing (110) is also provided with a retract button (270), and the retract button (270) is movable relative to the housing (110); the switch circuit (400) further comprises a retract contact switch (430) connected to the controller (700), and the retract contact switch (430) is located on the moving path of the retract button (270).

3. The driving control system of the electric laparoscopic stapler according to claim 2, characterized in that: The power display component (510) further comprises a third power status display element (513), and the third power status display element (513) is connected to the controller (700).

4. The driving control system of the electric laparoscopic stapler according to claim 3, characterized in that: The first power status display element (511) is a green light, the second power status display element (512) is a red light, and the third power status display element (513) is a yellow light; the first tool position display element (521) is a green light, the second tool position display element (522) is a red light, and the third tool position display element (523) is a yellow light; and the clamping state display element (530) is a green light.

5. The driving control system of the electric laparoscopic stapler according to claim 1, characterized in that: The invention also comprises a driving circuit (820), wherein the driving circuit (820) comprises a relay (821) and a double-pole double-throw switch (822) connected to each other, wherein the double-pole double-throw switch (822) is connected to a signal input port of the motor (210); and the relay (821) is connected to the controller (700).

6. The driving control system of the electric laparoscopic stapler according to claim 1, characterized in that: It also includes a reset circuit (910) and a register (920), both of which are connected to the controller (700); the register (920) records the number of times the shielding member (231) enters the front position sensing switch (251) and the rear position sensing switch (252).

7. A method for driving and controlling an electric laparoscopic stapler, using the driving and controlling system of the electric laparoscopic stapler according to claim 3, characterized in that: The following steps are involved: 1) The power supply (600) is connected, the power display component (510) is started, and when the power detected by the controller (700) is within a preset power range, the first power status display element (511) is always on, and step 2) is performed; when the controller (700) detects that the power is exhausted, the second power status display element (512) is always on, and the power supply (600) needs to be replaced; 2) when the cutting knife (240) is in the initial position, the shielding member (231) on the driving member (230) is in the rear position sensing switch (252), and the controller (700) obtains the activation signal of the rear position sensing switch (252), then the first tool position display element (521) flashes, and step 3) is performed; when the cutting knife (240) is not in the initial position, the controller (700) does not obtain the activation signal of the rear position sensing switch (252), then the cutting knife (240) is not in the initial position, and the knife retracting operation is performed; 3) After installing the nail magazine in the nail magazine base (370), the closing handle (330) is rotated, and the closing positioning piece (331) on the closing handle (330) is inserted into the closing locking groove (321). The closing handle (330) drives the outer sleeve (350) to move forward through the closing driving component (340), and the outer sleeve (350) pushes the steering sleeve (360) to move forward. The steering sleeve (360) drives the nail support (380) to rotate in the direction of closing with the nail magazine base (370), and the nail support (380) is closed with the nail magazine base (370). At the same time, the closing handle (330) activates the clamping contact switch (410), and the controller (700) obtains the activation signal of the clamping contact switch (410). The controller (700) controls the clamping state display element (530) to flash, and then proceeds to step 4); 4) pressing the firing drive button (260), the firing drive button (260) activates the firing contact switch (420), the controller (700) obtains the activation signal of the firing contact switch (420), the controller (700) controls the first tool position display element (521) to be always on, the controller (700) drives the motor (210) to rotate forward, the motor (210) drives the driving member (230) to move forward through the cutting transmission member (220), and the driving member (230) drives the cutting knife (240) to move forward; when the cover on the driving member (230) is When the blocking member (231) is in the front position sensing switch (251), the controller (700) obtains the activation signal of the front position sensing switch (251), and the controller (700) drives the motor (210) to reverse; when the blocking member (231) on the driving member (230) returns to the rear position sensing switch (252), the controller (700) obtains the activation signal of the rear position sensing switch (252), at which time, the operation of the cutting knife (240) ends, and the controller (700) controls the clamping state display element (530) to be always on; and step 5) is performed; 5) Turn the closing handle (330), the closing positioning piece (331) on the closing handle (330) withdraws from the closing locking groove (321), the clamping contact switch (410) is not activated, the controller (700) controls the clamping state display element (530) to turn off, and the controller (700) controls the first tool position display element (521) to flash; return to step 3).

8. The driving control method of the electric laparoscopic stapler according to claim 7, characterized in that: When the retract button (270) is pressed, the retract button (270) activates the retract contact switch (430), the controller (700) obtains the activation signal of the retract contact switch (430), the controller (700) drives the motor (210) to reverse, and the motor (210) drives the driving member (230) to move backward through the cutting transmission member (220).

9. The driving control method of the electric laparoscopic stapler according to claim 7, characterized in that: When the front position sensing switch (251) and the rear position sensing switch (252) are both inactive, and the firing contact switch (420) is inactive, the third tool position display element (523) flashes.

10. The driving control method of the electric laparoscopic stapler according to claim 7, characterized in that: When the controller (700) detects that the voltage of the drive control system is overloaded, the second tool position display element (522) flashes.

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