Motor-triggered speed change-based electric purse-string forceps for laparoscope

Abstract

The invention relates to motor-triggered speed change-based electric purse-string forceps for a laparoscope, a main body is the electric purse-string forceps, and a key, a motor with a power supply and a transmission rod piece are arranged in a handle of the electric purse-string forceps; an output shaft of the motor is provided with a change gear and a driving gear; a gear set meshed with the small-diameter gear of the change gear is arranged in the handle; a driven gear meshed with the driving gear is arranged in the handle, and the middle of the driven gear is in threaded connection with a lead screw; a vertical hole is formed in the top of the lead screw, and a lower spring and a lower pushing pipe are arranged in the vertical hole; a guide shaft is further arranged in the handle, the guide shaft is sleeved with a transmission gear, the transmission gear can move from the first position of the guide shaft to the second position of the guide shaft, the transmission gear is meshed with the large-diameter gear of the change gear when located at the first position, and the transmission gear is meshed with the gear set when located at the second position. A mechanical structure is basically adopted, and the effect that a single motor controls closing and speed changing of the forceps arms of the electric purse-string forceps is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of medical devices, in particular to an electric suture forceps for laparoscope based on motor triggered variable speed. BACKGROUND

[0002] Suture forceps is a surgical suturing instrument, like anastomat, which is used for surgical suturing operation. The difference between them is that anastomat uses anastomosis nail for suturing, while suture forceps uses purse string for suturing. Because of the instability of manual firing process, that is, the pressing force cannot be controlled, the firing speed is fast and slow. In order to ensure the stability of the procedure, most of the current suturing instruments use electric control, that is, by pressing the handle, the motor rotation can drive the suture forceps to close. For example, CN219183919U discloses an electric surgical instrument, which includes a suture forceps assembly and a suturing forceps assembly in the end effector, and the closing mechanism drives the two arm clamps to approach each other to clamp the target tissue under the action of driving force.

[0003] However, there is a big problem in the electrically driven clamping arm closure, that is, the surgeon wants to change the speed during the closing process, that is, the clamping arm can close faster in the early stage, and the clamping arm can slow down after contacting the tissue to avoid the clamping arm closing too fast, which can cause some patients' tissues to be clamped too much (mainly for patients with thick tissues), and further cause tissue necrosis. In order to meet the above effect, the current foreign anastomat mainly uses the following way to control, that is, to add a PLC board, which is connected with the motor, and through the preprogrammed PLC board, the motor is controlled to rotate at a certain time or speed, and then the motor is controlled to rotate at a slower speed, so as to realize the speed change during the closing process. There are also similar patents in China, for example, CN214484554U discloses a variable firing speed control device of electric endoscope anastomat, which adjusts the motor current through the built-in firing speed control circuit in the control circuit board to control the motor speed, so as to achieve the effect that the cutting knife slowly and stably pushes forward during firing, and the cutting knife is quickly retracted during recovery. Although CN214484554U controls the speed change of the cutting knife, the speed change of the closing speed can also be inferred from the above patent.

[0004] In order to circumvent the above scheme, more manual switching is adopted in the related art to realize speed change, such as CN 112240374 A discloses an electric anastomat variable speed gear box, which realizes speed adjustment by setting a variable speed gear and switching the meshing relationship between the driven gear and the variable speed gear through a speed knob. However, this design requires the operator to manually switch, increasing the operator's operation action; in addition, the operator also needs to grasp the switching time, and the operator needs to have certain surgical experience, which increases the surgical threshold.

[0005] The current research direction mainly realizes speed change through an electric mode, and the switching is divided into variable speed mechanism moving rack and variable speed mechanism not moving rack; since the rack is connected with the clamp arm, the rack moving scheme is not practical, and CN117530737 A also discloses a similar principle technology, and after analysis, it is found that this scheme cannot be implemented. Therefore, the variable speed mechanism moving rack is the only solution at present.

[0006] The variable speed mechanism moving rack is divided into a single power mechanism and a multiple power mechanism; among them, the multiple power mechanism will cause the electric purse forceps handheld part to be too heavy. Therefore, if a single power mechanism is provided to realize the variable speed of the clamp arm closure, it is the core problem to be solved at present. SUMMARY

[0007] The purpose of the present application is to provide an electric purse forceps for laparoscope based on motor triggered speed change, which realizes the effect of single motor control electric purse forceps clamp arm closure variable speed based on mechanical structure.

[0008] The present application is realized by the following technical scheme: an electric purse forceps for laparoscope based on motor triggered speed change, the main body is an electric purse forceps, a key, a motor with a power supply and a transmission rod are arranged in the handle of the electric purse forceps; a variable speed gear and a driving gear are arranged on the output shaft of the motor; a gear set engaged with the small diameter gear of the variable speed gear is arranged in the handle; a driven gear engaged with the driving gear is rotatably arranged in the handle, a screw rod is threadedly connected to the middle part of the driven gear, a guide piece is arranged on the side surface of the screw rod, and the guide piece is slidably connected with a vertical slot arranged in the handle;

[0009] A vertical hole is formed in the top of the screw rod, a lower spring and a lower push tube are arranged in the vertical hole, and a lower rolling friction piece is arranged on the top of the lower push tube;

[0010] The handle also includes a guide shaft with a transmission gear mounted on it. The transmission gear can move from a first position to a second position on the guide shaft. When the transmission gear is in the first position, it meshes with the large-diameter gear of the transmission gear. When the transmission gear is in the second position, it meshes with the gear set. The transmission rod includes at least a rack that always meshes with the transmission gear. The top surface of the transmission gear is connected to an upper rolling friction member. An upper spring is provided between the top surface of the upper rolling friction member and the handle, and the upper spring is mounted on the guide shaft. A limiting member is also provided on the top surface of the upper rolling friction member.

[0011] The limiting component has an extended locking part on its side, and a lower locking part and an upper locking part are respectively provided inside the handle; the guide is provided with an upwardly extending trigger rod, and the trigger rod is provided with an upper trigger button to unlock the upper locking part and a lower trigger button to unlock the lower locking part.

[0012] Compared with previous technologies, the beneficial effects of the present invention are as follows:

[0013] 1. In this invention, the speed change process employs a non-gradual speed change method. The rotation of the motor stores energy in the lower spring, allowing it to continuously store energy on the transmission gear during motor rotation. After the transmission gear is released from its lock, the lower spring's push against the gear quickly displaces it, achieving speed switching. A reverse recovery mechanism is also included. Reversing the motor releases the lower spring's push on the transmission gear, causing the upper spring to store energy due to the gear's displacement. Upon releasing the lock on the transmission gear again, the upper spring pushes the gear downwards, returning it to its initial position. This spring-loaded push-and-switch mechanism effectively prevents the transmission gear from simultaneously jamming the large-diameter gear and the gear set, thus avoiding a jamming situation.

[0014] 2. The locking mechanism has been optimized. An electronically controlled lock has been adopted, solving the problem that the original mechanical lock could not lock during the displacement of the transmission gear. Specifically, it solves the problem that the locking mechanism used to lock the transmission gear cannot effectively secure the locked part after the transmission gear has been displaced. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of the present invention with a handle;

[0016] Figure 2 In order to be in Figure 1 A schematic diagram of the structure after removing the handle;

[0017] Figure 3 In order to be in Figure 2 A diagram showing the instantaneous state of contact between the lower rolling friction component and the transmission gear during the operation of the basic motor;

[0018] Figure 4 In order to be in Figure 3The lower trigger key contacts the lower locking member to realize the state diagram of the lower locking member and the locked member after being unlocked;

[0019] Figure 5 The motor continues to run on the basis to the state diagram after the jaw arm is completely closed; Figure 4

[0020] Figure 6 The motor reverses on the basis to the state diagram after the upper trigger key and the upper locking member are in contact to realize the upper locking member and the locked member after being unlocked; Figure 5

[0021] Figure 7 The motor reverses on the basis to the state diagram after the initial position. Figure 5

[0022] Label explanation: 1 handle, 11 motor, 12 rack, 21 gear, 22 driving gear, 23 gear set, 24 third plane thrust ball bearing, 31 driven gear, 32 screw rod, 33 guide, 34 vertical slot, 35 vertical hole, 36 lower spring, 37 lower push tube, 38 lower rolling friction member, 41 guide shaft, 42 transmission gear, 43 upper rolling friction, 44 upper spring, 45 limiting member, 51 locked member, 52 lower locking member, 53 upper locking member, 54 trigger rod, 55 upper trigger key, 56 lower trigger key. DETAILED DESCRIPTION

[0023] The application will be described in detail below in combination with the drawings:

[0024] As shown in Figure 1 , 2 : an electric charge pack clamp for laparoscope based on motor trigger speed change, the main body is an electric charge pack clamp, the handle 1 of the electric charge pack clamp is provided with a button, a motor 11 with a power supply and a transmission rod; characterized in that: the output shaft of the motor 11 is provided with a gear 21 and a driving gear 22; the handle 1 is provided with a gear set 23 meshing with the small diameter gear of the gear 21; a driven gear 31 meshing with the driving gear 22 is rotatably arranged in the handle 1, a screw rod 32 is threadedly connected to the middle part of the driven gear 31, the side surface of the screw rod 32 is provided with a guide 33, the guide 33 is slidingly connected with the vertical slot 34 arranged in the handle 1, so that the rotation of the driven gear 31 drives the vertical movement of the screw rod 32;

[0025] A vertical hole 35 is formed in the top of the screw rod 32, a lower spring 36 and a lower push tube 37 are arranged in the vertical hole 35, and the top of the lower push tube 37 is provided with a lower rolling friction member 38; the lower spring 36 and the lower push tube 37 are distributed from bottom to top;

[0026] ​​​A guide shaft 41 is arranged in the handle 1, and a transmission gear 42 is sleeved on the guide shaft 41; the transmission gear 42 can be moved from a first position to a second position of the guide shaft 41; when the transmission gear 42 is in the first position, the transmission gear 42 is engaged with the large-diameter gear of the gear shift gear 21; when the transmission gear 42 is in the second position, the transmission gear 42 is engaged with the gear set 23; the transmission rod at least includes a rack 12 which is always engaged with the transmission gear 42; the top surface of the transmission gear 42 is connected with an upper rolling friction piece 43; an upper spring 44 is arranged between the top surface of the upper rolling friction piece 43 and the handle 1, and the upper spring 44 is sleeved on the guide shaft 41; a limiting member 45 is arranged on the top surface of the upper rolling friction piece 43.

[0027] Here, the transmission gear 42 is engaged with the rack 12 when the transmission gear 42 is in the first position or the second position; in addition, the gear set 23 is provided with two gears, so that the rotation direction of the transmission gear 42 is not changed when the transmission gear 42 is engaged with the gear set 23 in the second position; in this diagram, a simplified processing is performed; in fact, the gear set 23 is provided with two gears; in addition, the effect of speed reduction is also designed and adjusted by the gear number ratio of the gears in the gear set 23; for example, one of the gears is also replaced by a gear shift gear; in the design process, as long as the rotation speed of the transmission gear 42 when the transmission gear 42 is engaged with the gear set 23 is slower than the rotation speed of the transmission gear 42 when the transmission gear 42 is engaged with the large-diameter gear; the common scheme in the field of variable speed system is known, so the specific structure of the gear set 23 is not described in the present application.

[0028] The limiting member 45 is a sleeve structure; when the limiting member 45 is in contact with the handle 1, the transmission gear 42 is in the second position; in order to avoid the impact force of the limiting member 45 on the inner wall of the handle being too large, a buffer pad can be considered at the corresponding position to alleviate the impact force of the limiting member 45.

[0029] The limiting member 45 is a sleeve structure; when the limiting member 45 is in contact with the handle 1, the transmission gear 42 is in the second position; in order to avoid the impact force of the limiting member 45 on the inner wall of the handle being too large, a buffer pad can be considered at the corresponding position to alleviate the impact force of the limiting member 45.

[0030] The limiting member 45 is a sleeve structure; when the limiting member 45 is in contact with the handle 1, the transmission gear 42 is in the second position; in order to avoid the impact force of the limiting member 45 on the inner wall of the handle being too large, a buffer pad can be considered at the corresponding position to alleviate the impact force of the limiting member 45.

[0031] In order to better illustrate the present application, the present application makes a description of the change position of part structure, and the specific position is expressed as the N position, and specifically, the initial position of any structure is marked by odd number, such as the first position, the third position, etc., and the terminal position of any structure is marked by even number, such as the second position, the fourth position, etc.

[0032] The specific use mode of the present application is as follows:

[0033] The principle of the closing stage of the arm is as follows:

[0034] As shown in Figure 2 : in the initial state, the transmission gear 42 is located at the first position, at this time, the transmission gear 42 is located at the first position and engaged with the large diameter gear of the gear 21, since the transmission gear 42 is located at the first position or the second position, it is engaged with the rack 12, therefore the rotation of the motor 11 will drive the transmission gear 42 to transmit, and further drive the rack to move forward.

[0035] As shown in Figure 3 , when the motor 11 rotates, the driving gear 22 rotates synchronously and drives the driven gear 31 to rotate, since the guide 33 provided on the screw rod 32 is limited by the vertical slot 34, and the driving gear 22 and the screw rod 32 are threadedly connected, therefore the rotation of the driven gear 31 will drive the screw rod 32 to move upward, this process will make the upper rolling friction piece 43 close to and contact the transmission gear 42. Since the limiting member 45 of the transmission gear 42 is locked and matched with the lower locking member 52 through the extension locking member 51, therefore the upper rolling friction piece 43 cannot move upward, and correspondingly the transmission gear 42 cannot move upward.

[0036] As shown in Figure 4As the screw rod 32 continues to rise, the lower spring is continuously compressed to store energy. This energy storage process continues until the lower trigger key 56 of the trigger rod 54 rises to contact the lower locking member 52, releasing the locking of the lower locking member 52 and the locked member 51, and the released elastic force of the energy-stored lower spring pushes the transmission gear 42 upward. In this process, the transmission gear 42 overcomes the elastic force of the upper spring 44 until the limiting member 45 is in contact, at which time the transmission gear 42 stays in the second position, and the locked member 51 cooperates with the upper locking member to achieve the locking of the transmission gear 42 in the second position. At this time, although the rotation of the motor 11 will drive the transmission gear 42 to rotate, the speed reduction process has been achieved. It should be noted that during the rising process of the lower trigger key 56, the upper trigger key 55 also rises synchronously, and at a certain time, the upper trigger key 55 will contact the lower locking member 52 and the upper locking member 53 to unlock the lower locking member 52 and the upper locking member 53, but after the upper trigger key 55 passes, the lower locking member 52 and the upper locking member 53 will be re-locked. Although the lower locking member 52 is unlocked in this process, the transmission gear 42 does not receive a vertical external force in this process, so it does not move vertically.

[0037] With further rotation of the motor, the rotation of the transmission gear 42 will drive the rack to slowly advance, and correspondingly the screw rod 32 will further rise, and the lower spring will be re-compressed. Since there is rolling friction between the transmission gear 42 and the lower pushing tube 37, the lower pushing tube 37 will not affect the rotation of the transmission gear 42, and after a short operation of the motor 11, the motor 11 will stop running because the jaw arms are closed and the operation is complete. This action can be stopped by pressure feedback or manual control, and then the operator can control the anastomosis operation.

[0038] The principle of the jaw arm opening stage is as follows:

[0039] As shown in Figure 5 , the operator controls the motor to reverse by pressing the button, which drives the jaw arms to slowly open, and the screw rod 32 and the trigger rod 54 move downward. As the screw rod descends, the lower spring gradually releases the elastic force. When the screw rod descends to a certain distance, the lower rolling friction member 38 separates from the transmission gear 42 and the distance between them increases.

[0040] As shown in Figure 6 , when the upper trigger key 55 of the trigger rod 54 descends to contact the upper locking member 53, the upper locking member 53 and the locked member 51 are unlocked, and at this time the upper spring 44 releases the stored elastic force to push the transmission gear 42 downward. Since the stored elastic force of the upper spring 44 is relatively small, the downward moving transmission gear 42 will stop at the first position due to the mutual locking of the locked member 51 and the lower locking member 52. When the transmission gear 42 switches to the first position, the transmission gear 42 and the large-diameter gear of the transmission gear 21 re-engage, and the jaw arms open quickly.

[0041] In the design process, the upper spring 44 extends into the sleeve structure and is connected with the top surface of the upper rolling friction piece 43. The upper spring 44 is compressed by extending into the sleeve structure and sleeving on the guide shaft, so that the guide compression is realized, and the bending deformation of the upper spring 44 in the compression process is avoided.

[0042] The upper rolling friction piece 43 is an upper plane thrust ball bearing, the bottom surface of the upper plane thrust ball bearing is fixed to the top of the transmission gear 42, and the top surface of the upper plane thrust ball bearing is fixed to the bottom surface of the limiting member 45. The purpose of setting the upper rolling friction piece 43 is that the transmission gear 42 always needs to be kept rotating, the limiting member does not need to rotate, and the limiting member basically does not rotate or needs to overcome a large friction force after the limiting member touches the top. In order to ensure the rotation of the transmission gear 42, the upper rolling friction piece 43 needs to be arranged between the transmission gear 42 and the limiting member 45.

[0043] The lower rolling friction piece 38 is a lower plane thrust ball bearing, and the bottom surface of the lower plane thrust ball bearing is fixed to the top of the lower push tube 37. The setting of the lower plane thrust ball bearing is the same as that of the upper plane thrust ball bearing. However, another consideration here is that because of the compression of the lower spring, the lower push tube 37 also generates a large thrust force on the transmission gear 42, so the lower plane thrust ball bearing effectively avoids the influence of the rotation of the transmission gear 42 caused by the lower push tube 37 through the rolling friction.

[0044] The upper locking piece 53 is an upper electric control lock, the upper electric control lock is provided with an upper pressing switch on the side surface, the upper trigger key 55 is an upper protrusion provided on the trigger rod 54, the lower locking piece 52 is a lower electric control lock, the lower electric control lock is provided with a lower pressing switch on the side surface, the lower trigger key 56 is a lower protrusion provided on the trigger rod 54, and the locked piece 51 includes an extension rod and an iron block at the end of the extension rod. The upper electric control lock and the lower electric control lock are electrically connected with the power supply.

[0045] At present, more mechanical lock structures are considered, and it is found that there is no suitable mechanical lock structure, especially when the transmission gear 42 returns from the second position to the first position, because the lower locking piece 52 is not triggered to be opened, the locked piece 51 cannot be locked into the lower locking piece 52 all the time. Considering that the power supply is provided in the present application itself, finally, the electric control lock system is adopted by referring to the access control, that is, when the trigger key contacts with the pressing switch, the corresponding electric control lock loses magnetism after being powered off.

[0046] The bottom surface of the driving gear 22 is fixed with the third plane thrust ball bearing 24, and the third plane thrust ball bearing 24 is in the handle 1. The driving gear needs to meet the conditions of not being displaced, needing to be ensured to rotate, and being provided with a through hole in the middle. After considering many schemes, it is considered that the third plane thrust ball bearing has the best effect, and the through hole provided in the middle of the third plane thrust ball bearing can accommodate the lead screw.

[0047] The bottom end of the guide shaft 41 is provided with a limiting piece 46 for preventing the transmission gear 42 from sliding downward. It should be noted that the outer diameter of the limiting piece 46 is greater than the diameter of the middle through hole of the transmission gear 42, but the outer diameter of the limiting piece 46 is less than the diameter of the middle through hole of the lower flat thrust ball bearing, so that the top surface of the upper flat thrust ball bearing can directly contact the bottom surface of the transmission gear 42.

[0048] The key is electrically connected with the motor 11, the motor 11 is in transmission cooperation with the transmission rod, and the movement of the transmission rod realizes the closing of the pouch. Here, the conventional technology will not be described.

[0049] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or the equivalent replacement of part of the technical features, which are recorded in the foregoing embodiments, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the protection scope of the present application.

Claims

1. A laparoscopic electric charge pack forceps based on motor trigger variable speed, the main body is an electric charge pack forceps, a button, a motor (11) with a power supply and a transmission rod are arranged in the handle (1) of the electric charge pack forceps; characterized in that: The output shaft of the motor (11) is provided with a variable speed gear (21) and a driving gear (22); the handle (1) is provided with a gear set (23) engaged with the small diameter gear of the variable speed gear (21); the handle (1) is rotatably provided with a driven gear (31) engaged with the driving gear (22), and a screw rod (32) is threadedly connected to the middle part of the driven gear (31); the side surface of the screw rod (32) is provided with a guide (33) which is slidingly connected with a vertical slot (34) provided in the handle (1); A vertical hole (35) is formed in the top of the screw rod (32), and a lower spring (36) and a lower push tube (37) are provided in the vertical hole (35); the top of the lower push tube (37) is provided with a lower rolling friction member (38); The handle (1) is further provided with a guide shaft (41), and a transmission gear (42) is sleeved on the guide shaft (41); the transmission gear (42) can be moved from a first position to a second position of the guide shaft (41); when the transmission gear (42) is located at the first position, it is engaged with the large diameter gear of the variable speed gear (21); when the transmission gear (42) is located at the second position, it is engaged with the gear set (23); the transmission rod member at least includes a rack (12) which is always engaged with the transmission gear (42); the top surface of the transmission gear (42) is connected with an upper rolling friction member (43); an upper spring (44) is provided between the top surface of the upper rolling friction member (43) and the handle (1), and the upper spring (44) is sleeved on the guide shaft (41); a limiting member (45) is further provided on the top surface of the upper rolling friction member (43); The side surface of the limiting member (45) is provided with an externally extended locked member (51); a lower locked member (52) and an upper locked member (53) are respectively provided in the handle (1); the guide (33) is provided with an upwardly extending trigger rod member (54); the trigger rod member (54) is provided with an upper trigger key (55) for unlocking the upper locked member (53) and a lower trigger key (56) for unlocking the lower locked member (52).

2. The electric motor-driven charge pack forceps based on motor trigger variable speed for laparoscopy according to claim 1, characterized in that: The limiting member (45) is a sleeve structure; when the limiting member (45) is in contact with the handle (1), the transmission gear (42) is just located at the second position.

3. The electric motor-driven laparoscopic clip applier based on motor trigger shifting according to claim 2, characterized in that: The upper spring (44) extends into the sleeve structure and is connected with the top surface of the upper rolling friction member (43).

4. The electric motor-driven charge pack forceps based on motor trigger variable speed for laparoscopy according to claim 1, characterized in that: The lower locked member (52) and the upper locked member (53) are respectively arranged at a third position and a fourth position; the third position is set such that when the locked member (51) is locked in cooperation with the lower locked member (52), the transmission gear (42) is located at the first position; the fourth position is set such that when the locked member (51) is locked in cooperation with the upper locked member (53), the transmission gear (42) is located at the second position.

5. The electric motor-driven charge pack forceps based on motor trigger variable speed for laparoscopy according to claim 1, characterized in that: The upper rolling friction member (43) is an upper plane thrust ball bearing; the bottom surface of the upper plane thrust ball bearing is fixed to the top of the transmission gear (42); the top surface of the upper plane thrust ball bearing is fixed to the bottom surface of the limiting member (45).

6. The electric motor-driven charge bag forceps based on motor trigger variable speed for laparoscopy according to claim 1, characterized in that: The lower rolling friction member (38) is a lower plane thrust ball bearing; the bottom surface of the lower plane thrust ball bearing is fixed to the top of the lower push tube (37).

7. The electric motor-driven charge bag forceps based on motor trigger variable speed for laparoscopy of claim 1, wherein: The upper locking piece (53) is an upper electric control lock, the upper electric control lock is provided with an upper pressing switch on the side surface, the upper trigger key (55) is an upper protrusion provided on the trigger rod (54); the lower locking piece (52) is a lower electric control lock, the lower electric control lock is provided with a lower pressing switch on the side surface, the lower trigger key (56) is a lower protrusion provided on the trigger rod (54); the locked piece (51) comprises an extension rod and an iron block at the end of the extension rod; the upper electric control lock and the lower electric control lock are electrically connected with the power supply.

8. The electric motor-driven charge pack forceps based on motor trigger variable speed for laparoscopy of claim 1, wherein: The bottom surface of the driving gear (22) is fixed with a third plane thrust ball bearing (24), and the third plane thrust ball bearing (24) is fixed in the handle (1).

9. The electric motor-driven charge bag forceps based on motor trigger variable speed for laparoscopy of claim 1, wherein: The bottom end of the guide shaft (41) is provided with a limiting piece (46) for preventing the transmission gear (42) from sliding downward.

10. The electric motor-driven charge bag forceps based on motor trigger variable speed for laparoscopy of claim 1, characterized in that: The key is electrically connected with the motor (11), the motor (11) and the transmission rod are in transmission cooperation, and the movement of the transmission rod realizes the closing of the pouch.

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