CN110693553B - Single motor electric surgical instrument handheld assembly and electric surgical instrument - Google Patents
Single motor electric surgical instrument handheld assembly and electric surgical instrument Download PDFInfo
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- CN110693553B CN110693553B CN201810744137.6A CN201810744137A CN110693553B CN 110693553 B CN110693553 B CN 110693553B CN 201810744137 A CN201810744137 A CN 201810744137A CN 110693553 B CN110693553 B CN 110693553B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/11—Surgical instruments, devices or methods for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis, e.g. in a single operation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07271—Stapler heads characterised by its cartridge
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Abstract
The invention relates to a single-motor electric surgical instrument handheld assembly and an electric surgical instrument. The single-motor electric surgical instrument handheld assembly comprises a power supply assembly, a driving assembly, a switching assembly, a first power output assembly, a second power output assembly, a control circuit and a shell part, wherein the switching assembly can be meshed with the driving assembly to obtain power input, the first gear is arranged on the shaft and meshed with the driving gear of the driving assembly, the switching assembly is meshed with the driving gear of the driving assembly, the switching assembly can be shifted to enable the switching assembly to be in a first output mode or a second output mode, the first power output assembly, the second power output assembly, the control circuit and the shell part. The invention reduces the complexity of the structure of the electric surgical instrument and saves the cost. Meanwhile, through setting the initial driving state, a safety structure for preventing false firing is formed.
Description
Technical Field
The invention relates to a medical surgical instrument, in particular to a single-motor electric surgical instrument handheld assembly and a single-motor electric surgical instrument using the handheld assembly.
Background
Anastomat is commonly used in surgical operations to effect excision of tissue and closure of a wound. The anastomat comprises a linear cutting anastomat, a tubular anastomat, a endoscopic linear cutting anastomat and the like. These anastomat can be used for excising pathological change tissue of lung, intestines, stomach, seal the surface of a wound simultaneously. In the surgical procedure, the end effector of the stapler clamps and squeezes the tissue, then the cutter is used to cut the tissue, and the resulting wound is then rapidly stapled with staples. The use of the anastomat shortens the operation time, improves the success rate of the operation and ensures quick postoperative recovery.
The currently used anastomat mainly comprises manual operation and electric operation. In the operation process, the front end of the anastomat is used for clamping the tissue to be cut, so that the preparation before firing is finished. For a manually operated anastomat, in the process of firing the anastomat, a doctor needs to press a handle while holding the anastomat in a suspended manner to finish firing. In the whole firing process, the hand provides two forces of support and pressing, and anastomat shake caused by hand shake easily occurs. Meanwhile, manual firing force application is not stable and uniform enough, particularly for a linear cutting anastomat, the whole firing process can be completed by pressing the handle for many times during firing, after each time of pressing the handle, the handle is released to press the handle next time, the process of releasing the handle enables the cutting knife to stop advancing, the nail pushing sheet also stops moving, and the pushing force for the anastomat also rapidly drops to zero. The forming of the anastomat is defective, the cutting wound surface of the cutting knife is unsmooth, and the problems are more obvious particularly when the handle is loosened.
For the electric anastomat, a doctor only needs to hold the anastomat stably, and the cutting knife and the anastomat move through the buttons, so that the stable movement of the cutting knife and the stable continuous stitching of the anastomat can be realized, and the cutting effect is effectively ensured. There is a comparative study showing that bleeding complications using an electric stapler are reduced by nearly half, while hospitalization costs paid by patients are reduced by nearly 10% and discharge time is advanced by one day (Impact of Powered and Tissue-Specific Endoscopic Stapling Technology on Clinical and Economic Outcomes of Video-Assisted Thoracic Surgery Lobectomy Procedures:A Retrospective,Observational Study,Daniel L.Miller, etc., ADVANCES IN THERAPY, (2018) 35:707-723) relative to using a manual stapler. The operation actions of the electric anastomat comprise closing and firing of the nail bin assembly, swinging movement of the nail bin assembly and rotation of the nail bin assembly around a self shaft, and the movement modes of the nail bin assembly are multiple, so that the existing electric anastomat usually adopts a power source with a plurality of motors to respectively control each action, and a corresponding power transmission system is also required to be arranged in the anastomat in a matched mode, so that the electric anastomat has high cost, heavy weight and complex structure.
Disclosure of Invention
To solve one or more of the problems presently existing, the present invention provides a single motor powered surgical instrument hand-held assembly that enables tissue cutting and staple firing by motor driven means. The invention provides a single-motor electric surgical instrument handheld assembly, which stably fires a nail bin assembly. The invention provides a single-motor electric surgical instrument handheld assembly, which realizes swinging, closing and firing of a nail bin assembly through a single motor. The invention provides a single-motor electric surgical instrument which can realize stable cutting and effective suturing of tissues. The invention provides a single-motor electric surgical instrument which can realize swinging, closing and firing of a nail bin assembly through a single motor.
The invention provides a single-motor electric surgical instrument handheld component which is characterized by comprising a power supply component, a motor and a motor; the driving assembly comprises a driving gear and a motor assembly, a switching assembly, a first power output assembly, a first power transmission assembly, a second power transmission assembly, a first rotary driving rod and a second power transmission assembly, wherein the switching assembly can be meshed with the driving assembly to obtain power input, the switching assembly comprises a shaft, a first gear and an output switching part, the first gear is arranged on the shaft and meshed with the driving gear of the driving assembly, the output switching part is coupled with the first gear, the switching assembly is meshed with the driving gear of the driving assembly, the switching assembly can enable the switching assembly to be in a first output mode or a second output mode, the first power output assembly comprises a first power gear, a first rotary driving rod, a first transmission part and a first transmission rod assembly, the first power gear is fixedly connected with the first rotary driving rod, the first power gear can enable the first power gear to synchronously rotate with the first rotary driving rod, the first rotary driving rod is mutually matched with the first transmission part, the first rotary driving rod can enable the first transmission part to be driven along the first rotary driving rod to move, the first rotary driving rod can enable the switching assembly to be in the first output mode or the second output mode, the first power transmission assembly comprises a first power transmission rod, the second power transmission assembly is fixedly connected with the second power transmission assembly, and the second power transmission assembly can synchronously rotate with the first power transmission rod, the second rotary driving rod can drive the second transmission piece to move along the second rotary driving rod, the second transmission piece is fixedly connected with the second transmission rod, the control circuit is connected with the driving assembly and controls the driving assembly, and the shell part at least encapsulates the driving assembly, the switching assembly and the control circuit. The power from the driving assembly is selectively transmitted to the first power output assembly or the second power output assembly through the switching assembly, so that the power output path is selected. Meanwhile, for the switching of the alternative, the switching component forms a structure similar to a safety, and other transmission structures are prevented from being triggered by mistake.
In the first output mode, the first gear is simultaneously meshed with the driving gear and a first power gear of the first power output assembly, and in the second output mode, the first gear is simultaneously meshed with the driving gear and a second power gear of the second power output assembly. After the first gear is meshed with the first power gear or the second power gear, power from the driving assembly is transmitted to the first power output assembly or the second power output assembly through the switching assembly. The switching of the power transmission path is realized.
The switching assembly further comprises a second gear arranged on the shaft, the second gear is connected with the first gear and can rotate simultaneously, in the first output mode, the second gear is meshed with the first power gear of the first power output assembly, and in the second output mode, the second gear is meshed with the second power gear of the second power output assembly. Different switching assembly configurations are provided for outputting power to either the first power output assembly or the second power output assembly via the second gear.
The switching assembly further includes a second gear disposed on the shaft, the second gear being coupled to the first gear and being capable of simultaneous rotation, one of the first gear and the second gear being engaged with a first power gear of the first power take-off assembly in the first output mode, and the other of the first gear and the second gear being engaged with a second power gear of the second power take-off assembly in the second output mode. Different switching assembly configurations are provided for outputting power to either the first power output assembly or the second power output assembly via the second gear.
The hand-held assembly further comprises a manual rotating part, the manual rotating part comprises a rotary grab handle rotary shifting wheel and a connecting rod, the rotary grab handle rotary shifting wheel is rotatably connected with the shell, the rotary grab handle rotary shifting wheel is fixedly connected with the connecting rod, the connecting rod is used for connecting the nail bin assembly, at least one part of the first transmission rod assembly of the first power output assembly is arranged in the inner space of the manual rotating part and can rotate along with the manual rotary shifting wheel, at least one part of the second transmission rod assembly of the second power output assembly is arranged in the inner space of the manual rotating part and can rotate along with the manual rotary shifting wheel. The manual rotation is used for controlling the posture of the nail bin, and the nail bin is ensured to be aligned to the part to be cut.
The hand-held assembly further comprises a closing handle assembly, the closing handle assembly comprises a closing handle and a clamping part, the clamping part is clamped with the first transmission assembly in a separable mode, the closing handle assembly can rotate around a fixed shaft, so that the first transmission piece of the first power output assembly can be moved from a first position to a second position, the clamping part is clamped with the first transmission assembly in the first position, and the first transmission piece can be separated from the clamping part in the second position.
The hand-held assembly further comprises a reset assembly, and when the closed handle assembly moves the first transmission assembly to the second position, the handle reset assembly can fixedly keep the closed handle assembly at the corresponding position.
The handheld assembly further comprises a swing head steering control button, the swing head steering control button provides a first direction rotation control signal, a second direction rotation control signal and/or a reset control signal for the control circuit, and the control circuit is used for controlling the movement of the second power output assembly according to the first direction rotation control signal, the second direction rotation control signal or the reset control signal.
The hand-held assembly further comprises a firing button assembly, wherein the firing button assembly is arranged on the closed handle assembly or the shell, and the firing button assembly is connected with the control circuit and used for providing a signal for controlling the movement of the first power output assembly.
The invention also provides a single-motor electric surgical instrument which is characterized by being an electric anastomat for linear cutting, and comprising a nail bin assembly and a hand-held assembly according to any one of the above.
The single-motor electric surgical instrument handheld assembly provided by the invention realizes the swinging, closing and firing of the nail bin assembly through the single motor. Can improve the operation efficiency and reduce the influence caused by manual operation. Stable cutting of the cutting assembly and effective stapling of the staples can be achieved. Reduce postoperative bleeding and accelerate recovery of patients. The invention further provides a single motor electric surgical instrument which can realize stable cutting and effective suturing of tissues. The invention provides a single-motor electric surgical instrument which can realize swinging, closing and firing of a nail bin assembly through a single motor. The complexity of the structure of the electric surgical instrument is reduced, and the cost is saved. Meanwhile, through setting the initial driving state, a safety structure for preventing false firing is formed.
Drawings
FIG. 1 is a schematic illustration of a single motor powered surgical instrument according to a first embodiment of the present invention;
FIG. 2 is a schematic illustration of the movement of the cartridge assembly;
FIG. 3 is a schematic view of a partial structure of a single motor powered surgical instrument according to a first embodiment of the present invention;
FIG. 4 is a partial schematic view of a switching assembly according to a first embodiment of the present invention;
FIG. 5 is a schematic view of a partial construction of a single motor powered surgical instrument according to a second embodiment of the present invention;
fig. 6 is a partial schematic view of a switching assembly according to a second embodiment of the present invention.
Detailed Description
Fig. 1 is a schematic view of a single motor powered surgical instrument according to a first embodiment of the present invention. The powered stapler 10 includes a cartridge assembly 100 and a hand-held assembly 200. Cartridge assembly 100 may be an existing swingable cartridge assembly including an anvil, a cartridge, a cutter assembly, and a drive assembly. The transmission assembly is driven by external force to swing, open and close the nail bin and fire the nail bin. FIG. 2 is a schematic illustration of the movement of the cartridge assembly. The movement patterns that can be achieved by cartridge assembly 100 upon actuation of hand-held assembly 200 are shown, including a swinging motion, and a pivoting motion about its own axis.
Fig. 3 is a schematic view of a partial structure of a single motor electric surgical instrument according to a first embodiment of the present invention, and fig. 4 is a partial schematic view of a switching assembly according to the first embodiment of the present invention. The hand-held assembly 200 includes a drive assembly 2010, a switch assembly 2020, a first power output assembly 2030, a second power output assembly 2040, a manual rotation section 2050, a power supply assembly 2060, a control circuit 2070 and a housing section 2080. A drive assembly 2010 includes a motor assembly 2011 and a drive gear 2012, the motor assembly 2011 having a drive shaft 20111. The drive gear is provided on the drive shaft 20111 and rotates with the drive shaft 20111. The motor assembly 2011 includes a motor, and may also include a reduction gearbox and/or an encoder configured to mate with the motor.
The switching assembly 2020 is capable of engagement with the drive assembly 2010, the switching assembly 2020 including a first gear 2021, a shaft 2022 and a switching fork 2023. The first gear assembly 2021 is disposed on the shaft 2022 and is rotatable about the shaft 2022.
A first power take-off assembly 2030 comprising a first power gear 2031, a first rotary drive shaft 2032, a first transmission 2033 and a first transmission shaft assembly 2034, said first power gear 2031 being capable of meshing with said first gear 2021 of said switching assembly 2020. The first rotation driving rod 2032 is engaged with the first transmission member 2033 such that the first rotation driving rod 2032 can drive the first transmission member 2033 to move. The first transmission member 2033 moves substantially linearly along the rotation driving rod 2032 and can move forward or backward. The first transmission member 2033 is coupled to the first transmission rod assembly 2034 for power transmission. The first drive rod assembly 2034 may cooperate with the cartridge assembly 100 to effect control of the closing or opening of the anvil and cartridge, as well as the firing of the staples.
When the shift fork 2023 pushes the first gear 2021 to the first position, the first gear 2021 is simultaneously engaged with the driving gear 2012 and the first power gear 2031. Power from the drive assembly 2010 is thus transferred to the first power output assembly 2030. Power is transferred from the first drive rod assembly 2034 of the first power output assembly 2030 to the cartridge assembly 100. Wherein the first rotary drive lever 2032 is rotatable. The first rotary drive rod 2032 may be a screw or a threaded rod that is at least partially threaded. The first transmission 2033 mates with the threads of the lead screw or threaded rod.
Based on the above configuration, the switching unit 2020 enables power input obtained from the driving unit 2010 to be output to other units through the first gear 2021 in a switchable manner.
The second power output assembly 2040 includes a second power gear 2041, a second rotary drive rod 2042, a second transmission member 2043, and a second transmission rod assembly 2044. The second power gear 2041 is capable of meshing with the first gear 2021 of the switching assembly 2020. The second rotary driving rod 2042 cooperates with the second transmission member 2043 such that the second rotary driving rod 2042 is capable of driving the second transmission member 2043 to move substantially linearly. The second transmission member 2043 is fixedly connected to the second transmission rod assembly 2044. The second transmission rod assembly 2044 comprises a connecting claw 20441 and a sleeve 20442, said connecting claw 20441 being interconnected with said sleeve 20442, for example by means of said connecting claw 20441 gripping said sleeve 20442. The sleeve 20442 is rotatable and remains connected to the connecting claw 20441. The second transmission rod assembly 2044 further drives the cartridge assembly 100 by pushing and pulling the sleeve 20442 to transmit power in the forward direction or the backward direction, and controls the swing motion of the cartridge assembly 100. The second drive rod assembly 2044 is capable of partially rotating and maintaining power output in the axial direction.
When the shift fork 2023 pushes the first gear 2021 to the second position, the first gear 2021 is simultaneously engaged with the driving gear 2012 and the second power gear 2041. Power from the drive assembly 2010 is thus transferred to the second power output assembly 2040. Power is transferred from the second drive rod assembly 2044 of the second power output assembly 2040 to the cartridge assembly. Wherein the second rotary drive rod 2042 is rotatable. The second rotary drive rod 2042 may be a threaded screw or rod, at least partially threaded. The second transmission member 2043 is engaged with the thread of the screw rod or screw.
The drive shaft 20111 of the drive assembly 2010 is substantially parallel to the shaft 2022 of the switch assembly 2020. Further, the drive shaft 20111 of the drive assembly 2010 is substantially parallel to the first rotary drive rod 2032 of the first power take off assembly 2030. Further, the drive shaft 20111 of the drive assembly 2010 assembly is substantially parallel to the second rotary drive rod 2042 of the second power take off assembly 2040.
The power supply assembly 2060 is used to provide electrical power. The power supply assembly 2060 may comprise one or more batteries, which may be rechargeable or disposable.
A control circuit 2070, the control circuit 2070 including an input port through which an input signal is obtained and an output port through which an output signal is provided. A control circuit 2070 is connected to and controls the drive assembly 2010.
The housing portion 2080 can be used to house the drive assembly 2010, the switching assembly 2020, the power supply assembly 2060 and the control circuit 2070. Also, the housing portion 2080 is capable of housing at least a portion of the first and second power output assemblies 2030, 2040.
The hand-held assembly 200 also includes a manual rotation portion 2050 that is configured to control rotation of the cartridge assembly 100 about its axial direction. The manual rotation portion 2050 includes a rotation thumb wheel 2051 and a connecting rod 2052, the rotation thumb wheel 2051 is rotatably connected to the housing portion 2080, the rotation thumb wheel 2051 is fixedly connected to the connecting rod 2052, and the connecting rod 2052 is used to connect the cartridge assembly 100. The rotary thumb wheel 2051 and the connecting rod 2052 of the manual rotary portion 2050 have an interior space for receiving at least a portion of the first power take-off assembly 2030 and the second power take-off assembly 2040. The first transfer rod assembly 2034 of the first power output assembly 2030 may be located in the interior space. At least a portion of the second power take-off assembly 2044 of the second power take-off assembly 2040 may be located in the interior space, and at least a portion of the connecting claw 20441 and the sleeve 20442 of the second power take-off assembly 2044 may be located in the interior space. When the manual rotation portion 2050 is rotated, the cartridge assembly 100 is rotated about its own axis by the connecting rod 2052. The first drive rod assembly 2034 of the first power output assembly 2030 may extend into the interior space of the manual rotation portion 2050 and the second drive rod assembly 2044 of the second power output assembly 2040 may extend into the interior space of the manual rotation portion 2050.
The hand-held assembly 200 also includes a closure grip assembly 2090. The closure handle assembly 2090 includes a closure handle portion 2091 and a snap portion 2092, the snap portion 2092 detachably snapped into engagement with the first transmission 2033 such that when the snap portion 2092 is capable of moving the first transmission 2033 from a first position to a second position, and in the second position, the snap portion 2092 and the first transmission 2033 are separated from each other. The first transmission 2033 is configured to transmit power provided by the closure grip assembly 2090 and to effect closure of the anvil and cartridge of the cartridge assembly 100.
The hand-held assembly 200 also includes a handle reset knob 2100 that is capable of holding the closure handle assembly 2090 in a particular position, such as in a position in which the closure clip portion 2092 is separated from the first transmission assembly 2033.
The hand-held assembly 200 further includes a yaw steering control knob 2110, the yaw steering control knob 2110 is connected to the control circuit 2070 and provides a first direction rotation control signal, a second direction rotation control signal, or a reset control signal to the control circuit 2070, and the control circuit 2070 controls the driving assembly 2010 according to the first direction rotation control signal, the second direction rotation control signal, or the reset control signal to implement yaw steering of the cartridge assembly in the first direction or the second direction, or reset. The yaw control knob 2110 may be a controller having one or more signal outputs for providing a variety of control signals.
The hand-held assembly 200 also includes a firing button assembly 2120, the firing button assembly 2120 being coupled to the control circuitry 2070 for providing a signal to fire the cartridge assembly 100. The firing button assembly 2120 is pressed, the firing button assembly 2120 provides a firing signal to a signal input port of the control circuit 2070, an output port of the control circuit 2070 outputs a signal to the driving assembly 2010 to drive the driving assembly to move, power is output outwards and is transmitted to the staple cartridge assembly 100 to drive the staple pushing sheet and the cutter therein, and the firing of the staple cartridge assembly 100 is achieved to complete the cutting and suturing of tissues. The firing button assembly 2120 may be provided to the closure grip assembly 2090 or to the housing portion 2080.
Fig. 5 is a partial schematic view of a single motor powered surgical instrument according to a second embodiment of the present invention, and fig. 6 is a partial schematic view of a switching assembly according to a second embodiment of the present invention. The switching assembly 2220 is capable of meshing with the drive assembly 2010, the switching assembly 2220 including a first gear 2221, a second gear 2222, a shaft 2223 and a switching fork 2224. The first gear 2221 and the second gear 2222 are provided on the shaft 2223. The first gear 2221 and the second gear 2222 are connected to each other, for example, by a sleeve that is fitted over the shaft 2223, or by a link, so that the first gear 2221 and the second gear 2222 can rotate simultaneously. The first gear 2221 is meshed with a drive gear 2012 of the drive assembly 2010 and receives a power input of the drive assembly 2010. Toggling the shift fork 2224 may cause the first gear 2221 and the second gear 2222 to shift in at least two positions. When the shift fork 2224 pushes the first gear 2221 to the first position, the second gear 2222 is in engagement with the first power gear portion 2031 of the first power output assembly 2030, enabling power to be delivered from the drive assembly 2010 to the first power output assembly 2030. When the shift fork 2224 pushes the first gear 2221 to the second position, the second gear 2222 meshes with the second power gear portion 2041 of the second power output assembly 2040, and the second gear 2222 is separated from the first power output assembly 2030, thereby enabling power from the drive assembly 2010 to be transmitted to the second power output assembly 2040.
Based on the above structure, the switching assembly 2220 enables the power input obtained from the driving assembly 2010 to be output to other assemblies through the second gear 2222 in a switchable manner. The first gear 2221 and the second gear 2222 are coaxially arranged.
Alternatively, with the above-described construction in which the switching assembly 2220 includes the first gear 2221 and the second gear 2222, an additional switching manner may be provided in which pulling the switching fork 2224 may cause the first gear 2221 and the second gear 2222 to be switched in at least two positions. When the shift fork 2224 pushes the first gear 2221 to the first position, one of the second gear 2222 and the first gear 2221 is in engagement with the first power gear portion 2031 of the first power output assembly 2030, thereby enabling power to be transmitted from the drive assembly 2010 to the first power output assembly 2030. When the shift fork 2224 pushes the first gear 2221 to the second position, the other of the second gear 2222 and the first gear 2221 is engaged with the second power gear part 2041 of the second power output assembly 2040, thereby achieving power transmission from the driving assembly 2010 to the second power output assembly 2040. However, either in the first position or the second position, one of the first gear 2221 and the second gear 2222 must intermesh with the drive assembly 2010 to effect power from the drive assembly 2010. The first gear 2221 and the second gear 2222 are coaxially arranged.
During the operation, the nail bin assembly of the single-motor anastomat with the nail bin is close to the tissue (such as lung, intestine or stomach) to be clamped, the switching assembly 2020 or 2220 can be kept in a state meshed with the second power output assembly through the swinging head rotation of the nail bin (at the moment, the switching fork 2023 or 2224 is used for keeping the switching assembly 2020 or 2220 in a safe state during the clamping process, and the switching fork is not meshed with the first power output assembly, so that the false firing of the nail bin assembly during the operation is prevented, and a proper clamping position is selected through the rotation around the shaft. Wherein the swing motion is achieved by driving the second power transmission device 2040, and the pivoting motion is achieved by rotating the manual rotation portion 2050. After approaching the tissue, the closure handle assembly 2090 is pressed, the closure handle assembly 2090 moves the first link 2033 from the initial first position along the first rotational drive rod 2032 to the second position, at which point the closure handle assembly 2090 is in a detachable state from the first link 2033, and the handle reset knob 2100 holds the closure handle assembly 2090 in that position. The shift fork 2023 or 2224 is actuated to shift the gear or gear set of the shift assembly 2020, 2220 or 2320 to the engaged position with the first power output assembly 2030. Pressing the firing button assembly 2120 provides a firing signal to the control circuitry that causes the drive assembly 2010 to output power and the power is transmitted to the first power output assembly 2020 that drives the cutting knife of the cartridge assembly 100 to complete the cut while the staples stitch the wound surface. The drive assembly 2010 then provides a reverse drive force to retract the cutting blade. Releasing the handle reset knob 2100 closes the handle reset, the first transmission 2033 is retracted, the cartridge assembly 100 is opened, and the clamped tissue is released. The stapler is withdrawn.
The single-motor electric surgical instrument handheld assembly provided by the invention realizes the swinging, closing and firing of the nail bin assembly through the single motor. Can improve the operation efficiency and reduce the influence caused by manual operation. Stable cutting of the cutting assembly and effective stapling of the staples can be achieved. Reduce postoperative bleeding and accelerate recovery of patients. The complexity of the structure of the electric surgical instrument is reduced, and the cost is saved. Meanwhile, through setting the initial driving state, a safety structure for preventing false firing is formed.
The foregoing description of the preferred embodiments of the present invention is provided for illustration, but is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to be changed, and all changes made within the scope of the invention as independently claimed are within the scope of the invention.
Claims (9)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810744137.6A CN110693553B (en) | 2018-07-09 | 2018-07-09 | Single motor electric surgical instrument handheld assembly and electric surgical instrument |
| PCT/CN2019/094520 WO2020011082A1 (en) | 2018-07-09 | 2019-07-03 | Handheld assembly for single-motor electric surgical instrument and electric surgical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810744137.6A CN110693553B (en) | 2018-07-09 | 2018-07-09 | Single motor electric surgical instrument handheld assembly and electric surgical instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110693553A CN110693553A (en) | 2020-01-17 |
| CN110693553B true CN110693553B (en) | 2025-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810744137.6A Active CN110693553B (en) | 2018-07-09 | 2018-07-09 | Single motor electric surgical instrument handheld assembly and electric surgical instrument |
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| CN (1) | CN110693553B (en) |
| WO (1) | WO2020011082A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113100858A (en) * | 2021-05-10 | 2021-07-13 | 宁波维尔凯迪医疗器械有限公司 | An electric endoscopic stapler |
| CN118453017A (en) * | 2024-05-30 | 2024-08-09 | 常州伟普医疗器械有限公司 | Disposable endoscope linear cutting anastomat convenient to centre gripping |
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2018
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2019
- 2019-07-03 WO PCT/CN2019/094520 patent/WO2020011082A1/en not_active Ceased
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105307580A (en) * | 2013-04-16 | 2016-02-03 | 伊西康内外科公司 | Motor driven surgical instruments with lockable dual drive shafts |
| CN209236257U (en) * | 2018-06-21 | 2019-08-13 | 北京博辉瑞进生物科技有限公司 | Single Motor Electric Surgical Instrument Handheld Components and Electric Surgical Instruments |
| CN208876641U (en) * | 2018-07-09 | 2019-05-21 | 北京博辉瑞进生物科技有限公司 | Single Motor Electric Surgical Instrument Handheld Assembly and Electric Surgical Instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020011082A1 (en) | 2020-01-16 |
| CN110693553A (en) | 2020-01-17 |
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