Focus tissue rotary cutting control method and focus tissue electric rotary cutting device

Abstract

The invention relates to the technical field of focus tissue rotary cutting methods and devices, and discloses a focus tissue rotary cutting control method and a focus tissue electric rotary cutter, the focus tissue rotary cutting control method comprises a main machine, a screw rod piece, a gear disc, a screw rod sleeve, a gear rack, a first travel switch and a second travel switch, and the focus tissue rotary cutting control method comprises the following steps that (1) the main machine controls the screw rod piece to rotate forwards or backwards; the screw rod piece rotates to drive the screw rod sleeve to move in the axial direction and drive the gear disc to rotate, the gear disc drives the gear strip to rotate, the gear strip and the screw rod sleeve are arranged in a relative rotation mode, and the screw rod sleeve moves in the axial direction to drive the gear strip to move in the axial direction. And (2) the screw sleeve axially moves between the first travel switch and the second travel switch. By switching the rotating direction of the screw rod piece, the cutter bar repeatedly performs the cutter feeding action and the cutter retracting action, the movement modes of the cutter bar are diversified, fine control over the operation process is facilitated, meanwhile, the cutting efficiency of the cutter bar on focus tissue is greatly improved, and the treatment effect is also improved.

Description

Technical Field

[0001] The patent of this invention relates to the technical field of methods and devices for rotary cutting of lesion tissue, specifically, to a method for controlling rotary cutting of lesion tissue and an electric rotary cutter for lesion tissue. Background Art

[0002] Uterine fibroids and polyps are common growths of tissue in the female reproductive organs that generally require surgical removal.

[0003] At present, electric rotary dissection devices are commonly used for rotary dissection of lesion tissue. For example, the prior patent with authorization announcement number CN209645014U discloses a laparoscopic electric rotary dissection device, in which the middle part of the auger is provided with a drill rod, the front end of the drill rod is provided with a spiral drill bit, the rear end of the drill rod is provided with a handle, and a drill rod guide groove is provided on the drill rod along the axial direction; the rotary dissection device includes a body, and a rotary dissection device guide groove is provided at the position of the side wall of the body corresponding to the position of the drill rod guide groove, and a repair cap is also provided on the rotary dissection device; the outer wall of the closed end of the body is provided with sharp teeth, and bevel gears are respectively provided on the outer wall of the body; the driving handle includes a vertical part and a horizontal part, the horizontal part is horizontally arranged at the top end of the vertical part, a motor is provided in the vertical part, and the motor rotor is respectively provided with driving bevel gears that mesh with the bevel gears.

[0004] In the existing technology, the tissue in the lesion area is crushed and removed by simply rotating the blade. The movement mode of the electric rotary cutting device is single, which is not conducive to the fine control of the surgical process, resulting in poor removal efficiency of the lesion area. Summary of the Invention

[0005] The purpose of the present invention is to provide a control method for lesion tissue rotary excision and an electric lesion tissue rotary exciter, aiming to solve the problem of poor excision efficiency of the lesion area by the electric rotary exciter in the prior art.

[0006] The present invention is implemented as follows: a method for controlling the rotational excision of lesion tissue includes a main unit, a screw member, a gear plate, a screw sleeve, a gear bar, a first travel switch, and a second travel switch. The specific steps are as follows: (1) The main engine controls the screw member to rotate forward or reverse, and the rotation of the screw member drives the screw sleeve to move back and forth in the axial direction. The rotation of the screw member drives the gear plate to rotate, and the rotation of the gear plate drives the gear bar to rotate. The gear bar is used to drive the cutter rod to rotate. The gear bar and the screw sleeve are arranged to rotate relative to each other, and the axial movement of the screw sleeve drives the gear bar to move back and forth in the axial direction; (2) The screw sleeve moves axially between the first travel switch and the second travel switch. When the screw sleeve triggers the first travel switch, a trigger signal is sent to the host. The host controls the screw member to change its rotation direction until the second travel switch is triggered. The host controls the screw member to change its rotation direction again, and repeats this process multiple times.

[0007] Furthermore, the diseased tissue rotary cutting control method includes a control board and a two-wire cable, the control board and the host are connected through the two-wire cable, the two-wire cable is used to provide power to the control board, and the control board feeds back control information to the host through the two-wire cable.

[0008] Furthermore, the diseased tissue rotary resection control method includes a signal analysis module, which is used to analyze the signal coupled from the control board to the two-wire cable.

[0009] An electric rotary cutter for lesion tissue includes a screw member, a gear plate, a screw sleeve, and a gear bar. The screw member is arranged to rotate according to instructions, the gear plate is assembled with the screw member, and the rotation of the screw member synchronously drives the gear plate to rotate; the screw sleeve is assembled with the screw member, and the rotation of the screw member drives the screw sleeve to reciprocate in the axial direction; the inner end of the gear bar is assembled with the screw sleeve, and the outer end of the gear bar is used to be assembled with the knife rod, and the gear bar and the gear plate are in a meshing transmission arrangement, the gear plate is used to drive the gear bar to rotate, and the screw sleeve is used to drive the gear bar to reciprocate in the axial direction.

[0010] Furthermore, the gear bar has a gear sleeve groove, which is arranged in a ring shape and is concave. The screw sleeve surrounds and is sleeved on the gear sleeve groove. When the screw sleeve moves axially, the screw sleeve drives the gear bar to move axially; when the gear plate drives the gear bar to rotate, the gear bar and the screw sleeve are arranged to rotate relative to each other.

[0011] Furthermore, the electric lesion tissue rotary cutter includes a card set, the card set is sleeved in the gear sleeve groove of the gear bar, and the card set is used to limit the screw sleeve from separating from the gear bar.

[0012] Furthermore, the electric rotary cutter for lesion tissue includes a fixed bar block, which is arranged at intervals and corresponding to the screw sleeve, the inner end of the gear bar is movably embedded in the screw sleeve, and the gear bar and the screw sleeve are arranged to rotate relatively; the outer end of the gear bar is fixedly embedded in the fixed bar block, and the gear bar and the fixed bar block are tightly arranged; the fixed bar block has a block fixing portion, the block fixing portion is arranged in an annular shape, the gear bar has a bar fixing groove, the bar fixing groove is concave and arranged in an annular shape, the block fixing portion is tightly embedded in the bar fixing groove, and the block fixing portion is used to make the gear bar and the knife rod tightly fixed, and the knife rod rotates and moves axially synchronously with the gear bar.

[0013] Furthermore, a screw groove is formed on the outer surface of the screw member, and the screw groove is arranged to extend in a spiral shape. The screw sleeve is provided with a pin, and the pin is embedded in the screw groove. When the screw member rotates forward or reversely, the screw sleeve is driven to move back and forth in the axial direction by the pin.

[0014] Furthermore, the electric peeling device for lesion tissue includes a flexible steel cable, one end of which is assembled with the main unit, and the other end of which is assembled with the screw member, and the flexible steel cable is used to apply a rotational force to the screw member; the electric peeling device for lesion tissue includes a fixed rod member, which is rotatably arranged with the peeling shell, and the other end of the flexible steel cable extends through the fixed rod member, and the fixed rod member is used to make the flexible steel cable and the screw member rotate synchronously; the screw member includes a main screw, a secondary screw and a driving rod, and the two ends of the main screw are respectively assembled with the main unit, and the other end of the flexible steel cable is assembled with the screw member. The driving rod and the auxiliary screw are butt-jointed and integrally formed, the auxiliary screw is movably embedded in the fixed rod and assembled with the flexible steel cable, and the fixed rod is used to limit radial deviation of the auxiliary screw or the flexible steel cable; the electric peeling device for lesion tissue includes a peeling shell, the screw member, the gear plate, the screw sleeve and the gear bar are respectively arranged inside the peeling shell; the peeling shell includes a fixed rod seat and a fixed disc seat, the gear disc is arranged on the fixed disc seat, the driving rod is embedded in the gear disc, and the auxiliary screw passes through the fixed rod seat and extends through the fixed rod member.

[0015] Furthermore, the electric rotary cutter for lesion tissue includes a fixed knife seat, which is installed on the rotary cutting shell. A knife seat bearing is provided inside the fixed knife seat, and the inner end of the knife rod movably passes through the knife seat bearing and extends and movably passes through the fixed knife seat; the fixed knife seat and the inner sleeve are assembled, and the knife rod, the fixed knife seat and the inner sleeve are connected in sequence, and the inner sleeve is used to discharge the cut lesion tissue under negative pressure.

[0016] The present invention provides a method for controlling the rotary cutting of lesion tissue and an electric rotary cutting device for lesion tissue. Compared with the prior art, the present invention provides a method for controlling the rotary cutting of lesion tissue and an electric rotary cutting device for lesion tissue. During the lesion tissue removal surgery, the host provides a driving force to cause the screw member to rotate forward or reverse. During the rotation of the screw member, the gear plate is driven to rotate and the screw sleeve is synchronously driven to move back and forth in the axial direction. The gear plate and the screw sleeve transmit the driving force to the gear bar, causing the gear bar to drive the knife rod to rotate and move back and forth in the axial direction at the same time, and the lesion tissue is removed by the knife rod. In addition, the first stroke switch and the second stroke switch are cooperated with the host to realize the switching of the forward and reverse rotation of the screw member; in this way, the host controls the screw member to rotate in different directions to realize the switching of the rotation direction of the screw member, so that the knife rod repeatedly performs the advance and retreat actions in the rotating state, repeats the advance and retreat, diversifies the movement mode of the knife rod, is conducive to the refined control of the surgical process, and at the same time, greatly improves the efficiency of the knife rod in removing lesion tissue, and also helps to improve the treatment effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 1 is a flow chart of the method for controlling lesion tissue rotary excision provided by the present invention; Figure 2 1 is a cross-sectional schematic diagram of the electric rotary cutter for lesion tissue provided by the present invention; Figure 3 This is an enlarged schematic diagram of part A of the electric rotary cutter for lesion tissue provided by the present invention; Figure 4 1 is a schematic cross-sectional diagram of the layout of the gear bars of the electric lesion tissue peeling device provided by the present invention; Figure 5 It is a three-dimensional schematic diagram of the gear bar of the electric lesion tissue peeling device provided by the present invention. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0019] The implementation of the present invention is described in detail below with reference to specific embodiments.

[0020] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", etc. indicate the orientation or position relationship, they are based on the orientation or position relationship shown in the drawings. This is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as limiting this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0021] Reference Figure 1-5 The figure shows a preferred embodiment of the present invention.

[0022] The control method for lesion tissue peeling includes a main unit, a screw member 1, a gear plate 2, a screw sleeve 3, a gear bar 4, a first travel switch 8, and a second travel switch 9. The specific steps are as follows: (1) The main engine controls the screw member 1 to rotate forward or reverse, and the rotation of the screw member 1 drives the screw sleeve 3 to move back and forth in the axial direction. The rotation of the screw member 1 drives the gear plate 2 to rotate, and the rotation of the gear plate 2 drives the gear bar 4 to rotate. The gear bar 4 is used to drive the cutter rod to rotate. The gear bar 4 and the screw sleeve 3 are arranged to rotate relative to each other, and the axial movement of the screw sleeve 3 drives the gear bar 4 to move back and forth in the axial direction; (2) The screw sleeve 3 moves axially between the first travel switch 8 and the second travel switch 9. When the screw sleeve 3 triggers the first travel switch 8, a trigger signal is sent to the host, and the host controls the screw member 1 to change the rotation direction until the second travel switch 9 is triggered. The host controls the screw member 1 to change the rotation direction again, and repeats this process multiple times.

[0023] The above-mentioned method for controlling the rotational excision of lesion tissue is that during the lesion tissue excision surgery, the host provides a driving force to cause the screw member 1 to rotate forward or reverse. During the rotation of the screw member 1, the gear plate 2 is driven to rotate and the screw sleeve 3 is synchronously driven to move back and forth in the axial direction. The gear plate 2 and the screw sleeve 3 transmit the driving force to the gear bar 4, causing the gear bar 4 to drive the knife rod to rotate and move back and forth in the axial direction at the same time, and the lesion tissue is removed by the knife rod, and the first stroke switch 8 and the second stroke switch 9 are cooperated with the host to control the screw member 1 to switch between forward and reverse rotation; in this way, the host controls the screw member 1 to rotate in different directions, and the rotation direction of the screw member 1 is switched, so that the knife rod repeats the feeding action and the retracting action in the rotating state, repeating the feeding and retracting, making the movement mode of the knife rod diversified, which is conducive to the refined control of the surgical process. At the same time, it greatly improves the efficiency of the knife rod in removing the lesion tissue, and also helps to improve the treatment effect.

[0024] The control method for lesion tissue rotary cutting includes a control board and a two-wire cable. The control board and the host are connected through the two-wire cable. The two-wire cable is used to provide power to the control board, and the control board feeds back control information to the host through the two-wire cable.

[0025] It facilitates signal transmission between the control board and the host, and also facilitates the host to supply power to the control board.

[0026] The control method for lesion tissue rotary cutting includes a signal analysis module, which is used to analyze the signal coupled from the control board to the two-wire cable.

[0027] The electric rotary cutter for lesion tissue includes a screw member 1, a gear plate 2, a screw sleeve 3, and a gear bar 4. The screw member 1 is arranged to rotate according to instructions, the gear plate 2 is assembled with the screw member 1, and the rotation of the screw member 1 synchronously drives the gear plate 2 to rotate; the screw sleeve 3 is assembled with the screw member 1, and the rotation of the screw member 1 drives the screw sleeve 3 to move back and forth in the axial direction; the inner end of the gear bar 4 is assembled with the screw sleeve 3, and the outer end of the gear bar 4 is used to be assembled with the knife rod, and the gear bar 4 and the gear plate 2 are in a meshing transmission arrangement, the gear plate 2 is used to drive the gear bar 4 to rotate, and the screw sleeve 3 is used to drive the gear bar 4 to move back and forth in the axial direction.

[0028] The above-mentioned electric rotary cutter for lesion tissue, during the lesion tissue removal surgery, the main machine provides a driving force to cause the screw member 1 to rotate. During the rotation of the screw member 1, the gear plate 2 is driven to rotate and the screw sleeve 3 is synchronously driven to move back and forth in the axial direction. The gear plate 2 and the screw sleeve 3 transmit the driving force to the gear bar 4, causing the gear bar 4 to drive the knife rod to rotate and move back and forth in the axial direction at the same time, and the lesion tissue is removed by the knife rod; in this way, by driving the screw member 1 to rotate in different directions, the knife rod repeats the advance and retraction actions in the rotating state, repeats the advance and retraction, and diversifies the movement mode of the knife rod, which is conducive to the refined control of the surgical process. At the same time, it greatly improves the efficiency of the knife rod in removing the lesion tissue, and also helps to improve the treatment effect.

[0029] The gear bar 4 has a gear sleeve groove 43, which is arranged in a ring shape and is concave. The screw sleeve 3 surrounds and is sleeved on the gear sleeve groove 43. When the screw sleeve 3 moves axially, the screw sleeve 3 drives the gear bar 4 to move axially; when the gear plate 2 drives the gear bar 4 to rotate, the gear bar 4 and the screw sleeve 3 are arranged to rotate relative to each other.

[0030] In this way, under the action of the gear sleeve groove 43, the assembly of the screw sleeve 3 and the gear bar 4 is facilitated, and when the screw sleeve 3 moves axially, the screw sleeve 3 conflicts with the groove wall of the gear sleeve groove 43, thereby driving the gear bar 4 to move axially, and the screw sleeve 3 will not affect the rotation of the gear bar 4, thereby ensuring the subsequent surgical operation of the knife rod.

[0031] The electric rotary cutter for lesion tissue includes a clamping set 42 , which is sleeved on the gear sleeve groove 43 of the gear bar 4 , and is used to limit the screw sleeve 3 from being separated from the gear bar 4 .

[0032] In this way, under the action of the clamping sleeve 42, the screw sleeve 3 is effectively prevented from separating from the gear bar 4, thereby improving the assembly stability of the screw sleeve 3 and the gear bar 4; and, the cooperation between the clamping sleeve 42 and the gear sleeve groove 43 limits the axial offset of the screw sleeve 3 relative to the gear bar 4, making it easier for the screw sleeve 3 to drive the gear bar 4 to move axially.

[0033] The electric lesion tissue rotary dissecting device includes a fixed bar block 41, which is spaced and arranged in correspondence with the screw sleeve 3. The inner end of the gear bar 4 is movably embedded in the screw sleeve 3, and the gear bar 4 and the screw sleeve 3 are arranged to rotate relative to each other. The outer end of the gear bar 4 is fixedly embedded in the fixed bar block 41, and the gear bar 4 and the fixed bar block 41 are tightly arranged. The fixed bar block 41 has a fixed block portion, which is arranged in an annular shape. The gear bar 4 has a fixed bar groove, which is concave and arranged in an annular shape. The fixed block portion is tightly embedded in the groove. The fixed block portion is used to tightly fix the gear bar to the blade, and the blade rotates and moves axially synchronously with the gear bar 4.

[0034] In this way, under the cooperation of the fixed bar block 41 and the screw sleeve 3, the setting and assembly of the gear bar 4 are facilitated. At the same time, the fixed bar block 41 effectively limits the axial offset of the gear bar 4, improves the cooperation effect between the gear bar 4 and the screw sleeve 3, and facilitates the axial movement of the gear bar 4 driven by the screw sleeve 3.

[0035] At the same time, under the action of the block fixing part, the assembly of the tool rod is realized, thereby facilitating the tool rod to rotate and move axially synchronously with the gear bar 4.

[0036] The gear bar 4 includes a tooth section 44 having a plurality of long teeth extending in the axial direction. The gear plate 2 is meshed with the tooth section 44. In this way, the gear bar 4 can rotate and move in the axial direction.

[0037] The electric rotary cutter for lesion tissue includes a first travel switch 8 and a second travel switch 9. The first travel switch 8 and the second travel switch 9 are arranged in a corresponding manner at intervals along the axial direction. The first travel switch 8 and the second travel switch 9 are respectively arranged in correspondence with the screw sleeve 3, and the screw sleeve 3 is used to trigger the first travel switch 8 or the second travel switch 9.

[0038] In this way, under the action of the first travel switch 8 and the second travel switch 9, the movement stroke of the screw sleeve 3 is monitored and feedback is provided, thereby monitoring and feedback is provided to the movement stroke of the screw member 1, making it easier for the control panel to control the repeated advance and retraction of the knife rod, facilitating the removal of the lesion tissue and helping to improve the removal efficiency of the lesion tissue.

[0039] The screw sleeve 3 is provided with a trigger block, which is convexly arranged in the direction toward the first travel switch 8. The first travel switch 8 has a first trigger part, and the second travel switch 9 has a second trigger part. The first trigger part and the second trigger part are respectively convexly arranged in the direction toward the screw sleeve 3. The trigger block is used to resist the first trigger part or the second trigger part, and the first trigger part and the second trigger part are respectively used to receive the resistance force to output a trigger signal to the control board.

[0040] By cooperating between the trigger block and the first trigger portion and the second trigger portion, the monitoring accuracy of the movement stroke of the screw sleeve 3 is improved, thereby facilitating the transmission of the trigger signal to the first travel switch 8 and the second travel switch 9.

[0041] The electric rotary cutter for lesion tissue includes a fixing plate, which is extended in the axial direction and has multiple fixing holes, each of which is equidistantly arranged in the axial direction. The first stroke switch 8 has a first fixing column, and the second stroke has a second fixing column, and the first fixing column and the second fixing column are respectively embedded in the fixing holes; in this way, under the action of the fixing plate, the installation of the first stroke switch 8 and the second stroke switch 9 is facilitated, and it helps to improve the stability of the setting of the first stroke switch 8 and the second stroke switch 9.

[0042] The fixed plate and the control plate are arranged to be stacked up and fixed, and the fixed holes are arranged to be through-holes. The first fixed column and the second fixed column are respectively in contact with and connected to the control plate; the control plate and the host are arranged to be signal connected; this facilitates the coordination between the first travel switch 8 and the second travel switch 9 and the control plate, and also facilitates the signal transmission between the first travel switch 8 and the second travel switch 9 and the control plate.

[0043] A screw groove 11 is formed on the outer surface of the screw member 1, and the screw groove 11 is arranged to extend in a spiral shape. The screw sleeve 3 is provided with a pin, which is embedded in the screw groove 11. When the screw member 1 rotates forward or reverse, the screw sleeve 3 is driven to move back and forth in the axial direction through the pin.

[0044] In this way, under the action of the pin, the screw sleeve 3 can be reciprocated in the axial direction without affecting the rotation of the screw member 1 and the gear bar 4.

[0045] The electric rotary cutter for lesion tissue includes a flexible steel cable 5, one end of which is assembled with the main unit, and the other end of the flexible steel cable 5 is assembled with the screw member 1. The flexible steel cable 5 is used to apply a rotational force to the screw member 1; under the action of the flexible steel cable 5, the main unit can transmit the rotational force to the screw member 1, thereby driving the screw member 1 to rotate.

[0046] The electric peeling device for lesion tissue includes a fixed rod 6, which is arranged to rotate with the peeling shell. The other end of the flexible steel cable 5 extends through the fixed rod 6, and the fixed rod 6 is used to make the flexible steel cable 5 and the screw 1 rotate synchronously.

[0047] In this way, the flexible steel cable 5 is assembled and connected to the screw member 1 by the fixed rod 6. At the same time, the fixed rod 6 restricts the auxiliary screw or the flexible steel cable 5, avoiding radial deviation of the auxiliary screw or the flexible steel cable 5, improving the movement stability of the screw member 1 and the flexible steel cable 5, and improving the safety of the operation. In addition, the fixed rod 6 plays a role similar to a coupling, realizing the synchronous rotation of the flexible steel cable 5 and the screw member 1. The screw component 1 includes a driving rod, and the two ends of the main screw are respectively connected to the driving rod and the auxiliary screw and are integrally formed. The electric rotary cutter for lesion tissue includes a rotary cutting shell, and the screw component 1, the gear plate 2, the screw sleeve 3 and the gear bar 4 are respectively arranged inside the rotary cutting shell; the rotary cutting shell includes a fixed rod seat and a fixed disc seat, the gear disc 2 is arranged on the fixed disc seat, the driving rod is embedded in the gear disc 2, and the auxiliary screw passes through the fixed rod seat and extends through the setting rod 6.

[0048] In this way, under the cooperation of the fixed disc seat and the fixed rod seat, the two ends of the screw member 1 are supported and positioned, thereby improving the setting stability of the screw member 1 and improving the rotation stability of the screw member 1.

[0049] Along the axial direction, the rod fixing seat and the fixed rod member 6 are arranged in an overlapping and docking manner. In this way, the rod fixing seat and the fixed rod member 6 form a whole to improve the positioning of the screw member 1 and limit the deviation.

[0050] The electric rotary cutter for lesion tissue includes a fixed knife seat 7, which is installed in the rotary cutting shell. A knife seat bearing is provided inside the fixed knife seat 7. The inner end of the knife rod movably passes through the knife seat bearing and extends and movably passes through the fixed knife seat 7; the fixed knife seat 7 and the inner sleeve are assembled, and the knife rod, the fixed knife seat 7 and the inner sleeve are connected in sequence. The inner sleeve is used to discharge the cut lesion tissue under negative pressure.

[0051] In this way, under the action of the fixed knife seat 7, the assembly of the knife rod is facilitated, and under the action of the knife seat bearing, the rotation of the knife rod is facilitated.

[0052] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A method for controlling lesion tissue rotary cutting, characterized in that: It includes a main machine, a screw member, a gear plate, a screw sleeve, a gear bar, a first travel switch and a second travel switch. The specific steps are as follows: (1) The main engine controls the screw member to rotate forward or reverse, and the rotation of the screw member drives the screw sleeve to move back and forth in the axial direction. The rotation of the screw member drives the gear plate to rotate, and the rotation of the gear plate drives the gear bar to rotate. The gear bar is used to drive the cutter rod to rotate. The gear bar and the screw sleeve are arranged to rotate relative to each other, and the axial movement of the screw sleeve drives the gear bar to move back and forth in the axial direction; (2) The screw sleeve moves axially between the first travel switch and the second travel switch. When the screw sleeve triggers the first travel switch, a trigger signal is sent to the host. The host controls the screw member to change its rotation direction until the second travel switch is triggered. The host controls the screw member to change its rotation direction again, and repeats this process multiple times.

2. The method for controlling lesion tissue rotary resection according to claim 1, wherein: The method for controlling lesion tissue excision includes a control panel and a two-wire cable. The control panel and the host are connected via the two-wire cable. The two-wire cable is used to provide power to the control panel, and the control panel feeds back control information to the host via the two-wire cable.

3. The method for controlling lesion tissue rotary resection according to claim 2, wherein: The diseased tissue rotary resection control method includes a signal analysis module, which is used to analyze the signal coupled from the control board to the two-wire cable.

4. Electric rotary cutter for lesion tissue, characterized in that: It includes a screw member, a gear plate, a screw sleeve, and a gear bar. The screw member is arranged to rotate according to instructions, the gear plate and the screw member are assembled, and the rotation of the screw member synchronously drives the gear plate to rotate; the screw sleeve and the screw member are assembled, and the rotation of the screw member drives the screw sleeve to reciprocate in the axial direction; the inner end of the gear bar is assembled with the screw sleeve, and the outer end of the gear bar is used to be assembled with the knife rod, and the gear bar and the gear plate are in a meshing transmission arrangement, the gear plate is used to drive the gear bar to rotate, and the screw sleeve is used to drive the gear bar to reciprocate in the axial direction.

5. The electric rotary cutter for lesion tissue according to claim 4, characterized in that: The inner end of the gear bar has a gear sleeve groove, which is arranged in a ring shape and is concave. The screw sleeve surrounds and is sleeved on the gear sleeve groove. When the screw sleeve moves axially, the screw sleeve drives the gear bar to move axially; when the gear plate drives the gear bar to rotate, the gear bar and the screw sleeve are arranged to rotate relative to each other.

6. The electric lesion tissue rotary cutter according to claim 5, characterized in that: The electric rotary cutter for lesion tissue comprises a card set, which is sleeved on the tail of the inner end of the gear bar and is used to limit the screw sleeve from being separated from the gear bar.

7. The electric rotary cutter for lesion tissue according to claim 5, characterized in that: The electric rotary cutter for lesion tissue includes a fixed bar block, which is arranged at intervals and corresponding to the screw sleeve. The inner end of the gear bar is movably embedded in the screw sleeve, and the gear bar and the screw sleeve are arranged to rotate relatively; the outer end of the gear bar is fixedly embedded in the fixed bar block, and the gear bar and the fixed bar block are tightly arranged; the fixed bar block has a block fixing portion, which is arranged in an annular shape, and the gear bar has a bar fixing groove, which is concave and annularly arranged, and the block fixing portion is tightly embedded in the bar fixing groove, and the block fixing portion is used to make the gear bar and the knife rod tightly fixed, and the knife rod rotates and moves axially synchronously with the gear bar.

8. The electric lesion tissue rotary cutter according to any one of claims 4 to 7, characterized in that: A screw groove is formed on the outer surface of the screw member, and the screw groove is arranged to extend in a spiral shape. The screw sleeve is provided with a pin, and the pin is embedded in the screw groove. When the screw member rotates forward or reversely, the screw sleeve is driven to move back and forth in the axial direction by the pin.

9. The electric lesion tissue rotary cutter according to any one of claims 4 to 7, characterized in that: The electric lesion tissue rotary cutter includes a flexible steel cable, one end of which is assembled with the main unit, and the other end of which is assembled with the screw member, and the flexible steel cable is used to apply a rotational force to the screw member; The electric rotary cutter of lesion tissue includes a fixed rod part, which is arranged to rotate with the rotary cutting shell, and the other end of the flexible steel cable extends and passes through the fixed rod part, and the fixed rod part is used to make the flexible steel cable and the screw part rotate synchronously; the screw part includes a main screw, a secondary screw and a driving rod, and the two ends of the main screw are respectively docked with the driving rod and the secondary screw and are arranged as one piece, the secondary screw is fastened and embedded in the fixed rod part and assembled with the flexible steel cable, the fixed rod part is used to limit radial deviation of the secondary screw or the flexible steel cable, and the fixed rod part is used to transmit the rotational driving force; the electric rotary cutter of lesion tissue includes a rotary cutting shell, the screw part, the gear plate, the screw sleeve and the gear bar are respectively arranged inside the rotary cutting shell; the rotary cutting shell includes a fixed rod seat and a fixed disc seat, the gear plate is arranged on the fixed disc seat, the driving rod is embedded in the gear plate, and the secondary screw passes through the fixed rod seat and extends through the fixed rod part.

10. The electric rotary cutter for lesion tissue according to claim 9, characterized in that: The electric rotary cutter for lesion tissue includes a fixed blade seat, which is installed on the rotary cutting shell. A blade seat bearing is provided inside the fixed blade seat. The inner end of the knife rod movably passes through the knife seat bearing and extends and movably passes through the fixed blade seat; the fixed blade seat and the inner sleeve are assembled, and the knife rod, the fixed blade seat and the inner sleeve are connected in sequence. The inner sleeve is used for negative pressure discharge of the cut lesion tissue.

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