CN213489248U

CN213489248U - Robot actuator for percutaneous nephroscope operation

Info

Publication number: CN213489248U
Application number: CN202021152239.8U
Authority: CN
Inventors: 张学斌; 李汉忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-06-22
Anticipated expiration: 2030-06-19

Abstract

A percutaneous nephroscope surgical robot actuator comprises an actuator body, a driving system, a fixing system and a percutaneous nephroscope surgical manipulator; the effector body is configured to provide mounting locations and spaces for the drive system, the fixation system, and the percutaneous nephroscopy procedure operator; the driving system is configured to drive the percutaneous nephroscope operation manipulator to reciprocate so as to push the manipulator tail end to execute operation; the fixation system is configured to secure the percutaneous nephroscopy procedure manipulator to the effector body.

Description

Robot actuator for percutaneous nephroscope operation

Technical Field

The utility model belongs to the technical field of medical instrument. In particular to a robot actuator for percutaneous nephroscope surgery.

Background

Percutaneous nephrolithotomy (PCNL) is performed by locating a target renal calyx by ultrasound or X-ray, puncturing and entering the target renal calyx in real time, establishing a channel between a percutaneous incision and the kidney, and placing a lithotripsy energy platform through the channel to perform lithotripsy treatment. Is one of the main methods for treating kidney stones and upper ureteral stones. It has small operation wound, high calculus removing rate and fast postoperative recovery. The key point of PCNL is accurate positioning and precise puncturing, which is also a difficulty. The learning curve is long and difficult to master. And can easily damage adjacent organs such as pleura, lung, intestinal tract, liver and spleen.

SUMMERY OF THE UTILITY MODEL

During the percutaneous nephrolithotomy (PCNL) operation, severe complications such as massive hemorrhage or damage to adjacent organs such as pleura, lung, intestinal tract, liver and spleen can be caused by inaccurate puncture position, improper channel expansion process, too deep puncture, and the like; secondly, the operation is long, and the bacteria and toxin absorption caused by the high perfusion pressure during the operation can cause the occurrence of postoperative infection. Serious complications as described above may even endanger the life of the patient.

Therefore, the puncture precision is improved, the standardization of the channel establishment and the lithotripsy operation process is improved, the operation intensity of doctors is reduced, and the occurrence of complications of patients in and after operations is reduced.

Surgical robotics assist surgeons in solving the above problems. Chinese patent application No. 201910490275.0 provides a percutaneous nephroscope robot system, carries out three-dimensional modeling to patient's kidney to predetermine the puncture route, solve the location difficulty that the surgeon experience is not enough to lead to, the not high problem of puncture success rate realizes through accurate puncture and the rubble of navigation guide, ensures the accuracy of operation implementation with the help of the arm, through the automatically expanding passageway, improves the efficiency and the quality of operation.

However, the prior art lacks a surgical robot effector for connecting a surgical robot to a percutaneous nephroscope.

In view of this, the embodiment of the present invention provides a percutaneous nephroscope surgical robot actuator, which is used to connect a surgical robot and a percutaneous nephroscope surgical manipulator.

The embodiment of the utility model provides a surgical robot actuator, which comprises an actuator main body, a driving system, a fixing system and a percutaneous nephroscope surgical manipulator;

the effector body is configured to provide mounting locations and spaces for the drive system, the fixation system, and the percutaneous nephroscopy procedure operator;

the driving system is configured to drive the percutaneous nephroscope operation manipulator to reciprocate so as to push the manipulator tail end to execute operation;

the fixation system is configured to secure the percutaneous nephroscopy procedure manipulator to the effector body.

According to an embodiment of the present invention, for example, the actuator body includes an upper platform (1) and a lower groove (45), the upper platform (1) and the lower groove (45) enclose and define an accommodating chamber having an opening at a lower bottom thereof, and the accommodating chamber provides an accommodating space for each component of the surgical robot actuator; the upper platform (1) is flat, and is provided with a V-shaped mounting seat (38) for mounting the mirror body, so that a mounting position is provided for the mirror body.

According to an embodiment of the present invention, for example, the actuator body further comprises a sealing member, by which the upper platform (1) and the lower groove (45) are sealingly connected, the sealing member being, for example, a sealing ring;

the actuator body is provided with a shield (6) at the far end, when the upper platform (1) moves, the shield (6) seals the exposed part of the upper platform (1) to prevent the body fluid or the medical reagent of the patient from entering the lower groove (45).

According to an embodiment of the invention, for example, the drive system comprises an optical fiber drive system and a platform drive system;

the optical fiber driving system comprises a first motor (7), a first motor base (8) and a first transmission device; the first motor (7) is fixedly arranged on the upper platform (1) through the first motor base (8); the first motor (7) provides power for the movement of the optical fiber; the first motor (7) is a servo motor.

According to an embodiment of the invention, for example, the first transmission comprises a first lead screw nut (12), a first lead screw (13), a slide rail (17) and a slider (43); the first lead screw (13) can rotate towards the positive direction and the negative direction under the driving of the first motor (7), and the first lead screw (13) drives the first lead screw nut (12) to axially reciprocate along the first lead screw (13) when rotating; the optical fiber driving system is connected with an optical fiber clamping seat (5) on a baffle (37) through a lead screw nut seat (10), transmits the linear motion of the first lead screw nut (12) to the optical fiber clamping seat (5), and pushes an optical fiber (41) to complete reciprocating motion.

According to an embodiment of the present invention, for example, a guide bar (15) is further provided to guide the screw and nut seat (10) to perform a linear motion, preventing the rotation, thereby pushing the optical fiber (41) to perform a reciprocating motion; the platform driving system comprises a second motor (18), a second motor base (19), a coupling (20) and a second transmission device; the second motor (18), the second motor base (19) and the second transmission device are arranged beside the optical fiber (41); the second motor (18) is fixedly arranged on the low groove (45) by the second motor base (19); the second motor (18) powers movement of the surgical robotic effector component; the second motor (18) is a servo motor; the second transmission device comprises a second lead screw (25), a nut mounting seat (27) and a second lead screw nut (28).

According to an embodiment of the present invention, for example, the coupling (20) connects the second motor (18) and the second lead screw (25), the second lead screw nut (28) converts the rotation motion of the second lead screw (25) into a linear motion, and transmits the linear motion to the upper platform (1) through the nut mounting seat (27), and the second lead screw (25) is driven by the second motor (18) to rotate in forward and reverse directions, so as to drive the upper platform (1) to perform an axial reciprocating motion; a third mounting seat (23) and a fourth mounting seat (30) are arranged on the other side, opposite to the first lead screw nut (12) and the first lead screw (13), of the actuator body, the first bearing seat (22) is fixedly mounted on the low groove (45) through the third mounting seat (23), and the second bearing seat (29) is fixedly mounted on the low groove (45) through the fourth mounting seat (30); one end of the second lead screw (25) is locked and fixed on the first bearing block (22) through a lead screw locking nut (21), and the other end of the second lead screw is installed on the second bearing block (29) through a second lead screw nut (28); the platform driving system is fixedly connected in the low groove (45) through the third mounting seat (23) and the fourth mounting seat (30).

According to an embodiment of the present invention, for example, the percutaneous nephroscope manipulator (2) comprises a scope body (200), a scope body (201), the tail end of the scope body (200) is connected to the scope body (201), the scope body (200) and the inside of the scope body (201) is provided with a lumen communicating with each other, the scope body (201) is provided with a viewing port (2011), an operation channel (2012), a water inlet valve (2013) and a light source inlet (2014).

According to one embodiment of the present invention, for example, the fixation system includes an optical fiber fixation system and a percutaneous nephroscope surgical manipulator fixation system;

the optical fiber fixing system comprises a first compression nut (3), a clamping plate (4), a clamping seat (5), a drag chain (31) and a drag chain mounting seat (32); the clamping seat (5) is fixedly arranged on a baffle (37) of the upper platform (1), the first compression nut (3) is connected with the clamping seat (5) through threads, and the first compression nut (3) is rotated to enable the clamping plate (4) to be attached to the clamping seat (5) so as to clamp and fix the optical fiber; the drag chain (31) and the drag chain mounting seat (32) are positioned in the cavity of the low groove (45), one end of the drag chain (31) is fixed on the upper platform (1) by the drag chain mounting seat (32), and the drag chain (31) is used for wiring cables to avoid cable winding;

the fixing system of the percutaneous nephroscope operation manipulator comprises a V-shaped mounting seat (38), a second compression nut (39), a radial compression plate (40) and an axial compression plate (42); the second compression nut (39) is matched with the radial compression plate (40) and the first lead screw nut (12) to fixedly compress the lens body (201) on the V-shaped mounting seat (38), the radial compression plate (40) compresses the lens body (201) to prevent the lens body (201) from moving radially, and the axial compression plate (42) compresses the lens body (201) to prevent the lens body (201) from moving axially; the radial compression plate (40) and the axial compression plate (42) can clasp the lens body (201), so that the lens body (201) is limited to move towards a direction of separating from the surface of a shell of a surgical robot actuator.

According to an embodiment of the present invention, for example, the actuator main body further includes a first mounting seat (9), a second mounting seat (14), a third mounting seat (23), and a fourth mounting seat (30), the first mounting seat (9) and the second mounting seat (14) are disposed on one side of the actuator main body, and the first mounting seat (9) and the second mounting seat (14) are fixedly connected to the upper platform (1); two ends of the first lead screw (13) are respectively arranged on the first mounting seat (9) and the second mounting seat (14);

a first travel switch and a second travel switch are respectively arranged between the first mounting seat (9) and the second mounting seat (14) and between the third mounting seat (23) and the fourth mounting seat (30), and the first travel switches are configured to control the limit travel of the first lead screw nut (12) between the first mounting seat (9) and the second mounting seat (14) and avoid the first lead screw nut (12) from impacting the first mounting seat (9) and the second mounting seat (14); the second travel switch is used for controlling the limit travel of the second lead screw nut (28) between the third mounting seat (23) and the fourth mounting seat (30) and preventing the second lead screw nut (28) from impacting the third mounting seat (23) and the fourth mounting seat (30);

the second travel switch is composed of a photoelectric switch (24), an optical fiber travel light blocking sheet (11) and a platform travel light blocking sheet (26).

Drawings

Fig. 1 is a schematic structural view of a percutaneous nephroscope manipulator known in the art.

Fig. 2 is a schematic structural diagram of a surgical robot actuator according to an embodiment of the present invention.

Fig. 3 is a side view of the exterior of the actuator body (top view) and a top view of the interior of the actuator body (bottom view) of the surgical robot actuator according to the embodiment of the present invention, wherein the bottom view is a sectional view along B-B of the top view.

Fig. 4 is a side view of the internal structure of the actuator body of the surgical robot actuator according to the embodiment of the present invention, i.e., a sectional structure view taken along D-D of fig. 5.

Fig. 5 is a top view of a surgical robotic effector according to an embodiment of the present invention.

Fig. 6 is a bottom view of a surgical robot actuator according to an embodiment of the present invention.

Fig. 7 is a rear view of a surgical robot actuator according to an embodiment of the present invention.

Fig. 8 is a structural view of the surgical robot actuator according to the embodiment of the present invention, taken along the section E-E of fig. 6.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the present invention is not limited to the drawings and the following embodiments.

In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "far", "near", etc. are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only to distinguish technical features, have no essential meaning, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features.

Referring to fig. 1, a general percutaneous nephroscope manipulator 2 includes a scope body 200 and a scope body 201, the tail end of the scope body is connected with the scope body 201, lumens communicated with each other are arranged in the scope body 200 and the scope body 201, and the scope body 201 is provided with an observation port 2011, an operation channel 2012, a water inlet valve 2013 and a light source inlet 2014. When the percutaneous nephroscope manipulator is used for carrying out an operation, a doctor holds the endoscope body to operate beside the body of a patient, and the body fluid of the patient is easily polluted; secondly, the operation effect is greatly influenced by individual doctors, the accuracy and safety of the operation are difficult to ensure, the standardization and the normalization of the operation cannot be realized, and complications such as bleeding caused by puncturing and damaging adjacent organs or large blood vessels can occur if the experience of the doctors is insufficient.

Referring to fig. 2-8, an embodiment of the present invention provides a percutaneous nephroscope surgical robot actuator, which can connect a mechanical arm of a surgical robot and a percutaneous nephroscope manipulator 2 to perform percutaneous nephroscope lithotripsy, and complete the lithotripsy and stone extraction operations of renal calculus or upper ureteral calculus.

The surgical robot effector includes an effector body, a drive system, a fixation system, and a percutaneous nephroscope manipulator. The actuator body comprises an upper platform 1 and a lower groove 45 (see figures 1 and 6), and the percutaneous nephroscope operation manipulator 2 is fixed on the upper platform 1 and is powered by a driving system to perform linear reciprocating motion. The lower slot 45 accommodates components of the surgical robotic actuator, such as motors, actuators, electrical components, and the like. The driving system is used for driving the percutaneous nephroscope operation manipulator to reciprocate so as to push the tail end of the manipulator to perform operations such as puncture, channel expansion, stone breaking and removal and the like. The fixing system is used for fixing the percutaneous nephroscope operation manipulator on the actuator body.

Therefore, the reciprocating motion (i.e. the action of breaking and removing stones) of the percutaneous nephroscope surgical manipulator is driven by the surgical robot actuator, and other actions (such as position adjustment, posture adjustment, rotation and the like) of the percutaneous nephroscope surgical manipulator are driven by the mechanical arm of the surgical robot to drive the percutaneous nephroscope to complete the percutaneous nephroscope operation, and taking rotation as an example, the rotation operation of the percutaneous nephroscope actuator such as a stone-covering basket can be realized by rotating the surgical robot actuator.

The actuator body comprises an upper platform 1 and a lower groove 45, the upper platform 1 and the lower groove 45 are enclosed to define an accommodating cavity with an opening at the bottom, and the opening at the bottom of the actuator body can be closed by a connecting system for connecting mechanical arms of a surgical robot.

The upper platform 1 is approximately in a flat plate shape, is provided with a V-shaped mounting seat 38 for mounting the mirror body 201, and provides a mounting position for the mirror body 201; an opening (not shown in the figure and located below the baffle 37) is formed in the optical fiber driving system, the optical fiber driving system is connected with the optical fiber clamping seat 5 on the baffle 37 (see fig. 5) through the lead screw nut seat 10 (see fig. 3), the linear motion of the first lead screw nut 12 is transmitted to the optical fiber clamping seat 5, and the optical fiber 41 is pushed to complete the reciprocating motion.

The lower groove 45 is surrounded by a bottom plate, two opposite side plates and a near end wall plate to form a groove-shaped structure with an opening on the bottom plate. The bottom opening of the lower trough 45 may be closed by a connection system for connecting the robot arms of the surgical robot.

The upper platform 1 and the lower groove 45 are fixedly and hermetically connected, for example, a sealing member, such as a sealing ring, is arranged at the joint of the upper platform and the lower groove 45. The sealed connection prevents body fluids, medical reagents (e.g., irrigation fluids), etc. from splashing into the lower well 45 and damaging components mounted in the lower well 45. The distal end of the actuator body is provided with a shutter 6 (see fig. 3) which seals the exposed portion of the upper platform when the upper platform is moved, preventing the patient's body fluids or medical agents from entering the interior of the lower well 45.

The drive system comprises an optical fiber drive system and a platform drive system which are arranged in parallel in the shell.

The fibre drive system comprises a first motor 7, a first motor mount 8 and a first transmission. The first motor 7, the first motor base 8 and the first transmission device are arranged in the shell. The first motor 7 is fixedly arranged on the upper platform 1 by a first motor base 8. A first motor 7 powers the movement of the fibre. Preferably, the first motor 7 is a servo motor. The first transmission device includes a first lead screw nut 12, a first lead screw 13, a slide rail 17, and a slider 43 (see fig. 8). The first lead screw 13 can rotate towards the forward direction and the reverse direction under the driving of the first motor 7, and the first lead screw 13 drives the first lead screw nut 12 to axially reciprocate along the first lead screw 13 when rotating.

Referring to fig. 3, 5 and 7, the first transmission device of the optical fiber driving system is connected to the optical fiber clamping seat 5 on the baffle 37 through the lead screw nut seat 10, and transmits the linear motion of the first lead screw nut 12 to the optical fiber clamping seat 5, wherein the guide strip 15 guides the lead screw nut seat 10 to perform linear motion, so as to prevent the lead screw nut seat from rotating, thereby pushing the optical fiber 41 to complete the reciprocating motion.

Referring to fig. 3, a first mounting seat 9 and a second mounting seat 14 are arranged on one side of the actuator body, and the first mounting seat 9 and the second mounting seat 14 are fixedly connected with the upper platform 1. Two ends of the first lead screw 13 are respectively arranged on the first mounting seat 9 and the second mounting seat 14.

Referring to fig. 3, the platform drive system includes a second motor 18, a second motor mount 19, a coupling 20, and a second transmission. The second motor 18, the second motor base 19 and the second transmission device are arranged beside the optical fiber system. The second motor 18 is fixedly mounted on the lower groove 45 by a second motor base 19. A second motor 18 powers the movement of the platform. Preferably, the second motor 18 is a servo motor. The second transmission comprises a second lead screw 25, a nut mount 27 and a second lead screw nut 28. The coupling 20 connects the second motor 18 and the second lead screw 25, and the second lead screw nut 28 converts the rotational motion of the second lead screw 25 into a linear motion, and transmits the linear motion to the upper platform 1 through the nut mounting base 27. The second lead screw 25 is driven by the second motor 18 to rotate in forward and reverse directions, so as to drive the upper platform 1 to perform axial reciprocating motion.

Referring to fig. 3, the other side of the actuator body is provided with a third mounting seat 23 and a fourth mounting seat 30, the third mounting seat 23 fixedly mounts the first bearing seat 22 on the lower groove 45, and the fourth mounting seat 30 fixedly mounts the second bearing seat 29 on the lower groove 45. One end of the second lead screw 25 is locked and fixed on the first bearing block 22 through a lead screw locking nut 21, and the other end is mounted on a second bearing block 29 through a second lead screw nut 28. The platform driving system is fixedly connected in the lower groove 45 by the third mounting seat 23 and the fourth mounting seat 30.

Referring to fig. 3, a first travel switch (not shown in the figure) and a second travel switch (composed of a photoelectric switch 24, an optical fiber travel light blocking sheet 11, and a platform travel light blocking sheet 26) are respectively arranged between the first mounting seat 9 and the second mounting seat 14, and between the third mounting seat 23 and the fourth mounting seat 30, and the first travel switch is used for controlling the limit travel of the first lead screw nut 12 between the first mounting seat 9 and the second mounting seat 14, so as to prevent the first lead screw nut 12 from impacting the first mounting seat 9 and the second mounting seat 14; the second travel switch is used to control the limit travel of the second lead screw nut 28 between the third mount 23 and the fourth mount 30. The second lead screw nut 28 is prevented from hitting the third mount 23 and the fourth mount 30.

Therefore, the upper platform 1 is connected with the platform support 16 and then connected with the slide block 43, and slides along the guide rail under the driving of the second motor 18, so as to drive the percutaneous nephroscope manipulator (figure 1)2 to perform puncture, channel expansion and other surgical operations; the optical fiber 41 is fixed on the upper platform 1, and the first motor 7 carried on the upper platform 1 drives the optical fiber 41 to move back and forth, so that the operation operations such as breaking stone, fetching stone and the like are completed.

A fixation system for securing the optical fiber 41 and the percutaneous nephroscope surgical manipulator (fig. 1)2 to the surgical robot actuator includes an optical fiber fixation system and a percutaneous nephroscope surgical manipulator fixation system.

The optical fibre fixing system comprises a first gland nut 3, a clamping plate 4, a clamping shoe 5, a drag chain 31 and a drag chain mounting shoe 32 (see figures 2, 4 and 7). The clamping seat 5 is fixedly installed on the baffle 37 of the upper platform 1, the first compression nut 3 is in threaded connection with the clamping seat 5, and the first compression nut 3 is rotated to enable the clamping plate 4 to be attached to the clamping seat 5, so that the optical fibers are clamped and fixed (see the attached drawing 2). The drag chain 31 and the drag chain mounting seat 32 are positioned in the cavity of the low groove 45, the drag chain mounting seat 32 fixes one end of the drag chain 31 on the upper platform 1, and the drag chain 31 is used for routing cables, so that the cables are prevented from being wound (see figure 4).

Referring to fig. 2, 3 and 5, the percutaneous nephroscopic surgical operator fixation system includes a V-shaped mount 38, a second compression nut 39, a radial compression plate 40 and an axial compression plate 42. The second compression nut 39 is matched with the radial compression plate 40 and the first lead screw nut 12 to fixedly compress the lens body 201 on the V-shaped mounting seat 38, the radial compression plate 40 compresses the lens body 201 to prevent the lens body 201 from moving radially, and the axial compression plate 42 compresses the lens body 201 to prevent the lens body 201 from moving axially. The radial compression plate 40 and the axial compression plate 42 are configured to grip the scope 201, thereby limiting movement of the scope 201 away from the housing surface of the surgical implement.

The mounting seat is composed of a hollow thread quick-change adjusting plate 33, a hollow thread quick-change head 34, a hollow thread quick-change locking ring 35, a hollow thread quick-change seat 36 and a quick-change positioning pin 44, and is used for connecting the surgical robot actuator with the surgical robot mechanical arm, wherein the quick-change positioning pin 44 is used for fixing the hollow thread quick-change head 34 and the hollow thread quick-change seat 36, and relative rotation is avoided. The mechanical arm of the surgical robot has a plurality of degrees of freedom, and can complete the actions of the surgical robot actuator such as position adjustment, posture adjustment and rotation, and the actions of the percutaneous nephroscope are controlled by controlling the actions of the surgical robot actuator. The connection system can be detachably connected by adopting various connection modes in the prior art. The other electrical components and connection systems described above can all be adapted using well established solutions in the art.

In operation, the utility model discloses surgical robot executor can be stable, firmly connect surgical robot's arm and surgical instruments, for example percutaneous nephroscope, under control system's control, by the linear motion of surgical robot executor control percutaneous nephroscope operation manipulator 2, through the whole motion of mechanical arm control surgical robot executor and then the position and the gesture of the manipulator of control percutaneous nephroscope to realize automatic operation process.

Claims

1. A percutaneous nephroscope operation robot actuator comprises an actuator main body, a driving system, a fixing system and a percutaneous nephroscope operation manipulator,

2. The percutaneous nephroscope surgical robot actuator according to claim 1, wherein the actuator body comprises an upper platform (1) and a lower groove (45), the upper platform (1) and the lower groove (45) enclose and define an accommodating cavity with an opening at the lower part, and the accommodating cavity provides an accommodating space for each component of the percutaneous nephroscope surgical robot actuator; the upper platform (1) is flat, and is provided with a V-shaped mounting seat (38) for mounting the mirror body, so that a mounting position is provided for the mirror body.

3. The percutaneous nephroscopic surgical robot actuator of claim 2, wherein the actuator body further comprises a seal by which the upper platform (1) and the lower groove (45) are sealingly connected;

4. A percutaneous nephroscopic surgical robot actuator as recited in claim 2, wherein the drive system includes a fiber optic drive system and a platform drive system;

5. The percutaneous nephroscopic surgical robot actuator of claim 4, wherein the first transmission comprises a first lead screw nut (12), a first lead screw (13), a slide rail (17), and a slider (43); the first lead screw (13) can rotate towards the positive direction and the negative direction under the driving of the first motor (7), and the first lead screw (13) drives the first lead screw nut (12) to axially reciprocate along the first lead screw (13) when rotating; the optical fiber driving system is connected with an optical fiber clamping seat (5) on a baffle (37) through a lead screw nut seat (10), transmits the linear motion of the first lead screw nut (12) to the optical fiber clamping seat (5), and pushes an optical fiber (41) to complete reciprocating motion.

6. The percutaneous nephroscope surgical robot actuator according to claim 5, characterized in that a guide bar (15) is further provided to guide the screw-nut seat (10) to perform a linear motion, preventing a rotation, thereby pushing the optical fiber (41) to perform a reciprocating motion; the platform driving system comprises a second motor (18), a second motor base (19), a coupling (20) and a second transmission device; the second motor (18), the second motor base (19) and the second transmission device are arranged beside the optical fiber (41); the second motor (18) is fixedly arranged on the low groove (45) by the second motor base (19); the second motor (18) powers movement of the percutaneous nephroscopic surgical robot effector component; the second motor (18) is a servo motor; the second transmission device comprises a second lead screw (25), a nut mounting seat (27) and a second lead screw nut (28).

7. The percutaneous nephroscope surgical robot actuator according to claim 6, wherein the coupling (20) is connected with the second motor (18) and the second lead screw (25), the second lead screw nut (28) converts the rotary motion of the second lead screw (25) into a linear motion, the linear motion is transmitted to the upper platform (1) through a nut mounting seat (27), and the second lead screw (25) is driven by the second motor (18) to rotate in the forward and reverse directions to drive the upper platform (1) to axially reciprocate; a third mounting seat (23) and a fourth mounting seat (30) are arranged on the other side, opposite to the first lead screw nut (12) and the first lead screw (13), of the actuator body, the first bearing seat (22) is fixedly mounted on the low groove (45) through the third mounting seat (23), and the second bearing seat (29) is fixedly mounted on the low groove (45) through the fourth mounting seat (30); one end of the second lead screw (25) is locked and fixed on the first bearing block (22) through a lead screw locking nut (21), and the other end of the second lead screw is installed on the second bearing block (29) through a second lead screw nut (28); the platform driving system is fixedly connected in the low groove (45) through the third mounting seat (23) and the fourth mounting seat (30).

8. The percutaneous nephroscope surgical robot actuator according to any one of claims 1 to 3, wherein the percutaneous nephroscope manipulator (2) comprises a scope body (200) and a scope body (201), the tail end of the scope body (200) is connected with the scope body (201), mutually communicated lumens are arranged in the scope body (200) and the scope body (201), and a viewing port (2011), an operation channel (2012), a water inlet valve (2013) and a light source inlet (2014) are arranged on the scope body (201).

9. A percutaneous nephroscopic surgical robot actuator as claimed in claim 5, wherein said fixation system includes a fiber optic fixation system and a percutaneous nephroscopic surgical manipulator fixation system;

the fixing system of the percutaneous nephroscope operation manipulator comprises a V-shaped mounting seat (38), a second compression nut (39), a radial compression plate (40) and an axial compression plate (42); the second compression nut (39) is matched with the radial compression plate (40) and the first lead screw nut (12) to fixedly compress the lens body (201) on the V-shaped mounting seat (38), the radial compression plate (40) compresses the lens body (201) to prevent the lens body (201) from moving radially, and the axial compression plate (42) compresses the lens body (201) to prevent the lens body (201) from moving axially; the radial pressing plate (40) and the axial pressing plate (42) can hold the mirror body (201) tightly, so that the mirror body (201) is limited to move towards a direction of separating from the surface of the shell of the percutaneous nephroscope surgical robot actuator.

10. The percutaneous nephroscopic surgical robot actuator of claim 6,

the actuator main body further comprises a first mounting seat (9), a second mounting seat (14), a third mounting seat (23) and a fourth mounting seat (30), the first mounting seat (9) and the second mounting seat (14) are arranged on one side of the actuator main body, and the first mounting seat (9) and the second mounting seat (14) are fixedly connected with the upper platform (1); two ends of the first lead screw (13) are respectively arranged on the first mounting seat (9) and the second mounting seat (14);

11. The robotic percutaneous nephroscopic surgical actuator of claim 3, wherein the seal is a sealing ring.