CN110575260A - A surgical robot operating device - Google Patents

Abstract

The invention discloses an operation device of a surgical robot, belonging to the field of medical equipment, comprising: a first motor; the first motor is connected with the sliding rod through a motor shaft, the first motor rotates to drive the sliding rod to rotate along the direction of the motor shaft, and two ends of the sliding rod are respectively provided with a first movable groove; first movable rod and second movable rod, the axial of first movable rod and second activity post is parallel to each other, and the near-end of first movable rod is equipped with first activity post, and the near-end of second movable rod is equipped with second activity post, and first activity post and second activity post are blocked respectively in two first movable grooves of slide bar to first movable rod and second movable rod can be along self axial reverse motion each other when first motor drive slide bar pivoted.

Description

A surgical robot operating device

technical field

The present invention relates to the field of surgical instruments.

Background technique

Surgery is referred to as surgery, commonly known as surgery, which refers to the use of surgical equipment or surgical instruments, under the operation of surgeons or other professionals, to enter the human body or other biological tissues, to remove lesions, change structure or implant foreign objects by external force. processing.

With the development of technology, a device for remote operation, or a surgical robot, has emerged. However, when operating remotely, the surgical instruments must be provided with multiple degrees of freedom, especially rotational degrees of freedom. In the robot, the surgical instrument is installed on the robot, and through remote operation, the surgical instrument man has degrees of freedom such as rotation and movement. However, when rotating, the surgical instrument is mostly rotated along the end of the surgical instrument. At this time, in order to achieve a rotation From an angle, the space for surgical instruments to move will be very large, which will affect the operation of the operation. The technical solution that the surgical instrument can be rotated by the remote operation (that is, the rotating shaft is located on the surgical instrument) has not been recorded in the prior art, so that the range of motion of the surgical instrument will be greatly reduced at the same angle of rotation, and further However, it is also desirable that the surgical instrument can have multiple rotational degrees of freedom to facilitate the surgical operation.

SUMMARY OF THE INVENTION

The purpose of the present invention is to aim at a surgical robot operating device in the prior art, comprising:

the first motor;

a sliding rod, the first motor is connected with the sliding rod through a motor shaft, the first motor rotates and drives the sliding rod to rotate along the direction of the motor shaft, and the two ends of the sliding rod are respectively provided with first movable grooves;

The first movable rod and the second movable rod, the axial directions of the first movable rod and the second movable rod are parallel to each other, the proximal end of the first movable rod is provided with a first movable rod, and the proximal end of the second movable rod is provided with a second movable rod. The movable column, the first movable column and the second movable column are respectively clamped into the two first movable grooves of the sliding rod, so that when the first motor drives the sliding rod to rotate, the first movable rod and the second movable rod can move along themselves. The axes move in opposite directions to each other;

Surgical instruments, the first movable rod and the second movable rod are respectively connected with the surgical instruments at different points, the distal end of the first movable rod is provided with a first connecting seat and the surgical instrument is hinged, and the distal end of the second movable rod is provided with a second movable rod. The connecting seat, the second connecting seat is provided with a connecting column, the surgical instrument is provided with a second movable groove, the connecting column is stuck in the second movable groove, and the connecting column can move in the second movable groove, so as to be in the distance between the two movable rods. Under the unchanged condition, when the first movable rod and the second movable rod move in opposite directions, the surgical instrument is driven to rotate along the first axis;

A fixed rod, one end of the fixed rod is connected with the arm unit, and the other end is fixedly connected with a casing;

a casing, the first motor is fixed on the casing;

a second motor, the second motor is fixed on the casing;

a fixing frame, the fixing frame includes a first fixing pipe (382) and a second fixing pipe respectively used for the first movable rod and the second movable rod to pass through, the second motor is connected with the fixing frame through the power rod, and the second motor The fixed frame is driven by the power rod to rotate around the axial direction of the power rod, and the first movable rod, the second movable rod and the surgical instrument are further driven to rotate along the axial direction of the power rod, and the axial direction of the power rod is the second axial direction, The first axial direction and the second axial direction are perpendicular and intersect, and two arc-shaped channels are provided on the housing, and the two arc-shaped channels are respectively used for the two movable rods to pass through. When the direction rotates, the two movable rods can move in the arc-shaped channel.

In a preferred embodiment, the casing is respectively provided with a first motor cavity and a second motor cavity, the first motor is fixed in the first motor cavity, and the second motor is fixed in the second motor cavity.

In a preferred embodiment, the surgical instrument includes a fixed seat connected with the first movable rod and the second movable rod, the fixing seat is provided with a second screw rod, and the second screw rod is connected with the third motor and is connected by the first movable rod. The three motors are driven to rotate, the axial direction of the second screw is the third axial direction, the third axial direction is perpendicular to the first axial direction and the second axial direction respectively, and the second screw is provided with a sliding unit that is threadedly connected to the second screw The sliding unit is connected with a long arm that can extend into the human body, the end of the long arm is provided with a surgical operating piece for performing surgical operations, and the second screw can drive the sliding unit to move along the third axis.

In a preferred embodiment, the fixing base is provided with a fixing portion, and the fixing portion restricts the movement of the long arm relative to the fixing base only along the third axis.

The invention also discloses a surgical robot operating unit, comprising:

The operating device of the present invention;

A rotating arm unit, the distal end of which is fixed with an operating device, and the rotating arm unit can provide three rotational degrees of freedom;

A fixing unit, the proximal end of the rotating arm unit is fixed on the fixing unit, and the fixing unit is fixed on the operating bed (1).

Further, the rotating arm unit includes a first rotating arm connected with the fixed unit, a second rotating arm connected with the first rotating arm, and a third rotating arm connected with the second rotating arm, which is connected with the third rotating arm The fourth pivot arm, the first pivot arm and the second pivot arm can rotate axially relative to the X direction, the second pivot arm and the third pivot arm can rotate relative to the Y direction, and the third pivot arm and the fourth pivot arm are relative to the Z direction axis To rotate, the X direction is perpendicular to the Y direction, and the Y direction is perpendicular to the Z direction.

Further, the fixing unit includes a connecting piece, a first screw fixed on the connecting piece, a driving motor for driving the first screw to rotate, a sliding block threadedly connected with the screw, and the sliding block is fixedly connected with the first rotating arm, The driving motor drives the first screw to rotate, and further drives the slider to move along the axial direction of the screw, and the axial direction of the screw is perpendicular to the X direction.

Further, the fixing unit is fixed on the edge of the operating bed, so that when the patient is lying on the operating bed, the rotating arm unit will not interfere with the human body.

Description of drawings

Fig. 1 is the overall schematic diagram of operating unit;

Fig. 2 is the schematic diagram of the arm unit;

Fig. 3 is the schematic diagram of fixed unit;

Fig. 4 is the schematic diagram of operating device;

Figure 5 is a side view of the operating device;

6 is a cross-sectional view of the operating device;

Fig. 7 is the schematic diagram of connection seat;

Figure 8 is a schematic diagram of the housing;

Figure 9 is a schematic diagram of the motor cavity;

Figure 10 is a schematic diagram of the housing;

Figure 11 is a schematic diagram of a surgical instrument;

Fig. 12 is a kind of schematic diagram of the third motor;

Figure 13 is a schematic diagram of the surgical instrument of Example 2;

Figure 14 is a schematic diagram of a driving part and a driven part;

Figure 15 is a schematic diagram of a driven rod;

Figure 16 is a schematic diagram of a driven rod;

Figure 17 is a schematic diagram of a driven rod;

Figure 18 is a schematic diagram of a driven rod;

Figure 19 is a schematic diagram of an active lever;

Figure 20 is a schematic diagram of an active lever;

Figure 21 is a schematic diagram of a slide bar;

Marked in the figure:

Example 1: 1-operating bed, 2-swivel arm unit, 21-first swivel arm, 22-second swivel arm, 23-third swivel arm, 24-fourth swivel arm, 25-slider, 26- First screw, 27-drive motor, 28-connector, 3-operating device, 31-fixed rod, 32-housing, 321-arc channel, 33-surgical instrument, 331-second movable slot, 332-fixed seat , 333-second screw, 334-third motor, 3341-stator, 3342-rotor, 3343-long rod, 3347-turning circle, 3345-one-way converter, 3346-output rod, 335-sliding unit, 336- Long arm, 337-fixed part, 34-first motor, 35-slide rod, 351-first movable slot, 36-movable unit, 361-first movable rod, 362-second movable rod, 363-first movable Column, 364-second movable column, 365-first connection seat, 366-second connection seat, 3661-connection column, 37-second motor, 38-fixed frame, 381-second fixed pipe, 382-first Fixed Tube, 383-Power Rod.

Example 2: 1-robot body, 2-fixed part, 3-equipment tube, 31-active part, 311-active tube, 312-active rod, 3121-convex part, 3122-card slot, 32-driven part, 321-Following tube, 3211-Fixing hole, 322-Following rod, 3221-Concave part, 3222-Clamp part, 3223-Hinged shaft, 3224-Clamp head, 3225-Active groove, 3226-Slide rod, 3227-Screw rod, 3228 - Active Post, 4 - Clamp Head.

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings.

Example 1:

As shown in FIG. 1, it is a clinical operating bed assembly, the bed assembly includes an operating bed 1, a fixing unit, the fixing unit is fixed on the edge of the operating bed 1, and the bed assembly also includes a rotating arm unit 2 connected with the fixing unit And the operating device 3 fixed at the end of the turning arm unit, the operating device 3 is installed with surgical instruments, the operating device is used for surgical operations, and the turning arm unit has multiple turning arms that can provide the operating device 3 with multiple degrees of freedom of rotation for convenience Operation of the operating device 3 .

In a specific embodiment, in order to make the surgical instrument move according to different positions of the human body on the bed, especially the position in the width direction of the operating bed, in a preferred embodiment, as shown in FIG. 3 , the fixing unit includes a connecting 28, a first screw 26 fixed on the connecting piece, a drive motor 27 that drives the first screw to rotate, a slider 25 threadedly connected to the screw, the slider 25 is fixedly connected to the first rotating arm, and the drive motor 27 drives the first The screw rotates to further drive the slider to move along the axial direction of the screw. The axial direction of the screw is perpendicular to the X direction. The X direction is the direction shown in Figure 2. The drive motor 27 can be controlled remotely or in the operating room. , drive the motor to rotate, the slider 25 moves along the axial direction of the first screw, that is, the edge of the operating bed, so as to adjust the position of the surgical instrument according to the position of the human body, which is more accurate than manual operation, and does not need to move the patient's position. .

In a specific embodiment, in order to make the surgical instrument have multiple rotational degrees of freedom, as shown in FIG. 2 , the turning arm unit 2 includes a first turning arm 21 connected with the fixing unit, a first turning arm 21 connected with the first turning arm The second pivot arm 22, the third pivot arm 23 connected to the second pivot arm, the fourth pivot arm 24 connected to the third pivot arm, the first pivot arm and the second pivot arm can rotate axially relative to the X direction, the second pivot arm The rotating arm and the third rotating arm rotate relative to the Y direction, the third rotating arm and the fourth rotating arm rotate axially relative to the Z direction, the X direction is perpendicular to the Y direction, the Y direction is perpendicular to the Z direction, and the fourth rotating arm 24 is fixed with an operating In device 3, the joints of the adjacent rotating arms can be controlled to rotate by the motor or manually operated to rotate, and the mutual rotation of the four rotating arms can provide multiple rotational degrees of freedom for the surgical instrument, and complete the surgical operation more flexibly.

In a specific implementation, as shown in FIG. 5 , the operating device 3 includes a first motor 34 , a sliding rod 35 , a first movable rod 361 and a second movable rod 362 , and the first motor is connected to the sliding rod 35 through a motor shaft , the first motor 34 rotates and drives the sliding rod 35 to rotate along the direction of the motor shaft. The two ends of the sliding rod are respectively provided with first movable grooves 351. The axial directions of the first movable rod 361 and the second movable rod 362 are parallel to each other. The proximal end of a movable rod 361 is provided with a first movable column 363, and the proximal end of the second movable rod is provided with a second movable column 364. The first movable column and the second movable column are respectively clamped into the two first movable columns of the sliding rod. In the slot 351 , when the first motor 34 drives the sliding rod to rotate, the first movable rod and the second movable rod can move in opposite directions along their axes, as shown by the two arrows in FIG. 2 .

As shown in FIG. 6 , the operating device 3 further includes a surgical instrument 33, and the first movable rod and the second movable rod are respectively connected with the surgical instrument at different points, such as points A and B in FIG. The distal end is provided with a first connecting seat 365 and the surgical instrument is hinged at point A, the distal end of the second movable rod is provided with a second connecting seat 366, and the second connecting seat is provided with a connecting column 3661 (as shown in Figure 7) 6 , at point B in the figure, the surgical instrument is provided with a second movable slot 331, the connecting column is stuck in the second movable slot, and the connecting column can move in the second movable slot, so that the distance between the two movable rods remains unchanged. When the lower first movable rod and the second movable rod move in opposite directions, the surgical instrument is driven to rotate along the first axis.

The operating device 3 also includes a second motor 37 , a fixing frame 38 and a casing 32 (shown in FIG. 4 ). The first motor and the second motor are fixed on the casing 32 , and the fixing frame 38 includes a The second movable rod passes through the first fixed pipe 382 and the second fixed pipe 381, the second motor is connected to the fixed frame through the power rod 388, and the second motor drives the fixed frame to rotate around the power rod axially through the power rod, and further The first movable rod, the second movable rod and the surgical instrument are driven to rotate along the axial direction of the power rod, and the axial direction of the power rod is the second axial direction, and the first axial direction and the second axial direction are perpendicular and intersect. In the present invention, the distance between the two movable rods is limited by the two fixed tubes on the fixed frame, so that the two movable rods always maintain an equal distance, and the fixed frame is driven to rotate and can drive the two movable rods to rotate further. Drive surgical instruments to rotate. When the distance between the movable rods is fixed, in order to ensure that the movable rods can move in the opposite direction, the present invention is provided with a second movable groove 331 on the surgical instrument, so that when the distance between points A and B can move with the movement The movement and change of the rod further make it possible to rotate the surgical instrument. Further, the position of the movable rod in the horizontal direction is fixed by the fixed frame, so a first movable slot is provided, so that the first motor can drive the two movable rods in equidistant. Therefore, the present invention can make the surgical instrument rotate in two rotation directions, which greatly reduces the space required for rotation.

Further, as shown in FIG. 8 , two arc-shaped passages are provided on the housing, and the two arc-shaped passages are respectively used for the passage of the two movable rods, and when the two movable rods rotate around the second axial direction , the two movable rods can move in the arc-shaped channel.

In a specific embodiment, as shown in FIGS. 3 and 4 , the operating device further includes a fixing rod 31 , one end of the fixing rod is connected with the rotating arm unit, and the other end is fixedly connected with a casing 32 .

In a specific embodiment, in order to fix the relative positions of the motor and the housing, as shown in FIGS. 8 and 9 , the housing is provided with a first motor cavity and a second motor cavity respectively, and the first motor is fixed in the first motor cavity , the second motor is fixed in the second motor cavity, and the first motor and the second motor are further fixed in the casing respectively by fixing parts such as screws, and the positions of the first motor and the second motor can be set according to specific needs, As shown in FIG. 9 , the casing is an L-shaped structure, the first motor is located at the bottom of the casing, and the second motor is located at the vertical position of the casing.

The surgical instruments can be various existing surgical instruments, specifically surgical instruments with functions such as grasping, shearing, cutting, drilling, and imaging, or surgical instruments capable of implanting artificial products. In a specific embodiment, as shown in FIG. 11 , the surgical instrument includes a fixing base 332 connected with the first movable rod and the second movable rod, the fixing base is provided with a second screw 333, and the second screw is connected with a The third motor 334 is driven to rotate by the third motor 334 , the axial direction of the second screw 333 is the third axial direction, the third axial direction is respectively perpendicular to the first axial direction and the second axial direction, and the second screw 333 is provided with There is a sliding unit 335 threadedly connected with the second screw 333, the sliding unit is connected with a long arm 336 that can extend into the human body, and the end of the long arm is provided with specific components such as grasping, shearing, cutting, drilling, pliers ) is used for surgical operation, the second screw 333 can drive the sliding unit to move along the third axial direction, the fixed seat is provided with a fixed part 337, the fixed part restricts the long arm to move relative to the fixed seat only along the third axial direction.

The third motor 334 is a high-power, low-displacement motor. In some embodiments, an ultrasonic motor can be used. In a more preferred embodiment, as shown in FIGS. 12a-d, the third motor 334 includes a Cylindrical outer casing, the outer casing has a circular cross section, and four stators 3341 are fixedly connected to the outer casing. The four stators are evenly distributed inside the outer casing. The distance between two adjacent stators is the same. The coil can make the stator magnetic, and the third motor also includes four rotors 3342, a rotor that can move between adjacent stators is arranged between two adjacent stators, and each rotor is connected with a long rod 3343 , one end of the four long rods is fixed on a fixed part, a hollow part is arranged in the middle of the annular ring of the fixed part, and a one-way converter 3345 is arranged in the hollow part. The one-way converter is preferably a one-way bearing. The outer ring of the bearing is connected with the fixed part; the inner ring is fixedly connected with an output rod 3346, the side surface of the output rod and the outer casing are connected by the bearing, and the output rod and the second screw are fixedly connected or integrally formed; the rotor is magnetic, and the four The rotor is equidistant from the output rod, and the four stators are equidistant from the output rod. The stator can be energized with a current that changes in direction so that the rotor can move back and forth between adjacent stators, and then drive the fixed part to reciprocate around the output rod. The output rod is driven to rotate through the transmission of the one-way bearing, thereby driving the second screw to rotate.

Specifically, Fig. 12a-d can be seen. Take a rotor and the stator at both ends of the rotor as an example. In Fig. 12a, the rotor is located in the middle of the stator. Under the action of the magnetic force, the rotor moves clockwise until it approaches the stator. The current is controlled to change the current. At this time, the direction of the magnetic force on the rotor changes to counterclockwise. The rotor is driven to rotate counterclockwise until it reaches the stator at the other end. As shown in Figure c, the direction of the current changes and the direction of movement of the rotor changes. . According to this repetition, due to the action of the one-way bearing, when the rotor drives the fixed part to rotate clockwise, the fixed part drives the output rod to rotate, and when the rotor rotates counterclockwise, the output rod idly rotates clockwise, so the output rod only rotates clockwise. Can output in a clockwise direction.

In a specific embodiment, the stator is a partial ring, the rotor is a partial ring, the distance from the stator to the output rod is the same as the distance from the rotor to the output rod, the stator and the rotor are the same ring, the outer casing There is an induction part on it, so that when the distance between the rotor and the stator is reduced to a certain value, the induction part can be sensed and the current direction on the stator can be changed by the controller.

In the motor of the present invention, since the rotor reciprocates, the stator can be installed at both ends of the rotor, the direction of the magnetic force received by the rotor is the same as the direction of its motion, and the stator can realize the maximum torque output to the rotor, thereby realizing high power; , the fixed part of the present invention can be driven by four rotors at the same time (the design principle of the present invention can also be equipped with 6, 8, 10... 2N and other even numbers) to achieve high-power output and can accurately control Operation of surgical instruments.

Example 2:

This embodiment discloses a surgical robot surgical instrument. As shown in FIG. 13 , the surgical instrument includes a forceps head 4, a device tube 3, and a fixing part 3. The forceps head 4 is in contact with human tissue and is used for direct manipulation of human tissue. The pliers can be, but not limited to, knives, scissors, needles, tweezers, pliers, hooks, etc. The equipment tube is connected to the pliers 4. Under normal circumstances, the parts on the pliers 4 are hinged on the equipment tube, and the fixed part 2 Connected to the equipment pipe, there are at least two motors in the fixed part, the two motors can be conventional motors, and there is a third motor with high power and small displacement in Example 1. Further, the fixed part 2 drives the forceps head 4 to open, close and rotate through the equipment, and as shown in FIG. 13 , the fixed part 2 is installed on the robot body 1 to install the surgical equipment on the robot body. In order to provide multiple degrees of freedom for the surgical equipment, the robot body described in this embodiment may be the robot body shown in FIG. 2 , that is, the operation device and the operation unit mentioned in Embodiment 1.

In order to make the surgical equipment detachable, the equipment tube 3 in this embodiment can be separated. As shown in FIG. 14 , the equipment tube 3 includes an active part 31 connected with the fixing part and a driven part 32 connected with the forceps head. The active part and the driven part are detachably connected, the active part includes the active pipe 311 and the active rod 312, the driven part 32 includes the driven pipe 321 and the driven rod 322, the active pipe and the driven pipe are detachably connected, the active rod Removably connected with the driven rod, the active pipe and the driven pipe form an outer pipe to support the tong head, the active rod and the driven rod form a power rod to drive the tong head to open and close and the tong head rotates relative to the outer pipe, the active pipe and the slave rod The movable tube can adopt the existing connection methods, such as snaps, screws and other connection methods.

In a further preferred embodiment, as shown in FIG. 15 , the driven rod 322 includes a movable cavity, the movable cavity is provided with a clamping portion 3222, and the clamping portion is provided with a hinge shaft 3223 to hinge the clamping portion on the movable cavity. , the other end of the clip is a clip head 3224, the active rod 312 is provided with a clip slot 3122, the clip head can be rotated around the hinge shaft so that the clip head can be clipped into the clip slot to fix the active rod and the driven rod, and make the clip The head can be removed from the card slot to disassemble the active rod and the driven rod. The card part is provided with a movable groove 3225. The driven rod also includes a sliding rod 3226. The sliding rod is provided with a movable column 3228. The movable rod It is snapped into the movable slot, and the sliding rod moves to make the movable column move in the movable slot to further drive the chuck to rotate around the hinge shaft; the driven rod also includes a screw 3227, the interior of the sliding rod is a central channel, and the sliding rod passes through the center The channel is connected with the screw rod, and the screw rod is fixed on the driven rod and the driven tube and can rotate axially to drive the sliding rod to move.

As shown in Fig. 19, the active rod is provided with a convex portion 3121, and the slot is located on the side of the convex portion. As shown in Fig. 15 and Fig. 16, the driven rod 322 is provided with a concave portion, the concave portion communicates with the movable cavity, and the convex portion is The portion can be inserted into the recess and cooperate with the recess. As shown in FIGS. 16 and 19 , the cross-sections of the concave portion and the convex portion are both semicircular.

As shown in Figures 14, 18 and 20, both the driven rod and the driven tube are provided with fixing holes 3211 through which the screw rods can pass. The driven rod is provided with a fixed channel (not shown in the figure) for accommodating the sliding rod 3226, the fixed channel driven rod passes through, the direction of the fixed channel is the same as that of the sliding rod, and the cross section of the fixed channel is the same as the sliding rod. The cross section of the rod is basically the same to be able to accommodate the sliding rod. The fixed channel limits the axial rotation of the sliding rod so that the sliding rod can only move axially. In this embodiment, in order to see the movable cavity, see Figs. is a cross-sectional view of the driven rod.

In this embodiment, when the driving part and the driven part are well connected, the position of the clamping part is shown in Fig. 15. Due to the purpose of sterilizing the equipment or replacing the new equipment, when the surgical equipment needs to be replaced, its Only need to replace the clamp head and the driven part, the fixed part and the active part do not need to be replaced, insert the screw from the fixed hole of the driven tube and the driven rod, rotate the screw with a tool or hand, and the rotation of the screw makes the sliding rod move , the sliding rod moves so that the movable column moves in the movable slot, at this time the card part will rotate counterclockwise around the hinge shaft 3223 (refer to Figure 15), until it turns to the position shown in Figure 16, at this time the card head is removed from the card slot of the active rod If it is removed from the middle, the driving rod and the driven rod can be removed, and the driving part and the driven part can be removed by removing the driving pipe and the driven pipe at the same time.

When the driven part and the pincer head of the present invention are packaged, they can have their own screws, as shown in FIG. 16 , or the screws can be provided with a tool, and the packaging does not have screws. When the driving part and the driven part need to be installed, insert the convex part of the driving rod into the concave part of the driven rod, rotate the screw, and the clamping part rotates so that the clamping head enters the groove of the driving rod, so that the driving rod and the driven rod are connected. The rod is fixed, the design of the screw rod and the sliding rod of the present invention can make the screw rod just pull out from the sliding rod when the clamp head is sufficiently inserted into the slot, or the comparative end of the screw rod can be just connected with the driven tube, through the external The tool rotates the screw. The depth of the concave part and the convex part is such that when the end of the convex part protrudes into the bottom of the concave part, the position of the clamping groove and the clamping head just correspond.

The present invention is easy to install, the driving rod formed by the active rod and the driven rod can be rotated and moved without affecting the normal use, and the outer pipe formed by the active pipe and the driven pipe of the present invention is completely flat with the fixing hole, and does not need to be extra structure. Replacement is quick and easy. The active part can be in a variety of different driven parts.

In a preferred embodiment, the end of the clip is gradually thinner so that the clip can be inserted into the slot 3122 and be fixed by the slot. The deeper the slot into which the clip extends, the more the clip is fixed by the slot. tight.

Claims (8)

1. A surgical robotic manipulation device, comprising:

A first motor (34);

the first motor is connected with the sliding rod through a motor shaft, the first motor drives the sliding rod to rotate along the direction of the motor shaft, and two ends of the sliding rod are respectively provided with a first movable groove (351);

The first movable rod (361) and the second movable rod (362) are axially parallel to each other, a first movable column (363) is arranged at the near end of the first movable rod, a second movable column (364) is arranged at the near end of the second movable rod, and the first movable column and the second movable column are respectively clamped in two first movable grooves (351) of the sliding rod, so that the first movable rod and the second movable rod can oppositely move along the axial direction of the first movable rod and the second movable rod when the first motor drives the sliding rod to rotate;

The surgical instrument (33), the first movable rod and the second movable rod are respectively connected with the surgical instrument at different points, the far end of the first movable rod is provided with a first connecting seat (365) hinged with the surgical instrument, the far end of the second movable rod is provided with a second connecting seat (366), the second connecting seat is provided with a connecting column (3661), the surgical instrument is provided with a second movable groove (331), the connecting column is clamped in the second movable groove, and the connecting column can move in the second movable groove so as to drive the surgical instrument to rotate along the first axial direction when the first movable rod and the second movable rod move in opposite directions under the condition that the distance between the two movable rods is unchanged;

a fixed rod (31), one end of which is connected with the rotating arm unit, and the other end of which is fixedly connected with a shell (32);

A housing (32) to which the first motor is fixed;

a second motor (37) fixed to the housing;

the fixing frame (38) comprises a first fixing pipe (382) and a second fixing pipe (381) which are used for the first movable rod and the second movable rod to pass through respectively, the second motor is connected with the fixing frame through a power rod (388) and drives the fixing frame to rotate around the axial direction of the power rod through the power rod so as to further drive the first movable rod, the second movable rod and the surgical instrument to rotate along the axial direction of the power rod, the axial direction of the power rod is the second axial direction, the first axial direction and the second axial direction are perpendicular and intersect, two arc-shaped channels are arranged on the shell and are respectively used for the two movable rods to pass through, and when the two movable rods rotate around the second axial direction, the two movable rods can move in the arc-shaped channels.

2. A surgical robotic manipulation device according to claim 1 wherein the housing defines first and second motor cavities, respectively, the first motor being secured within the first motor cavity and the second motor being secured within the second motor cavity.

3. The surgical robot manipulator according to any one of claims 1-2, wherein the surgical instrument includes a fixed base (332) connected to the first movable rod and the second movable rod, the fixed base is provided with a second screw (333), the second screw is connected to a third motor and is driven by the third motor to rotate, an axial direction of the second screw is a third axial direction, the third axial direction is perpendicular to the first axial direction and the second axial direction, the second screw is provided with a sliding unit in threaded connection with the second screw, the sliding unit is connected to a long arm (336) capable of extending into a human body, a surgical operation component is provided at a distal end of the long arm for performing a surgical operation, and the second screw is capable of driving the sliding unit to move along the third axial direction.

4. A surgical robotic manipulation device according to claim 3 wherein the holder is provided with a fixing portion (337) which limits the elongate arm to only being movable relative to the holder in the third axial direction.

5. A surgical robotic manipulation unit, comprising:

The operating device of any one of claims 1-4;

a boom unit (2) having a distal end to which the operating device is fixed, the boom unit being capable of providing three rotational degrees of freedom;

The near end of the rotating arm unit is fixed on the fixing unit, and the fixing unit is fixed on the operating table (1).

6. The surgical robot operating unit according to claim 5, wherein the boom unit (2) comprises a first boom (21) connected to the fixed unit, a second boom (22) connected to the first boom, a third boom (23) connected to the second boom, and a fourth boom (24) connected to the third boom, the first boom and the second boom being axially rotatable with respect to the X direction, the second boom and the third boom being axially rotatable with respect to the Y direction, the third boom and the fourth boom being axially rotatable with respect to the Z direction, the X direction being perpendicular to the Y direction, and the Y direction being perpendicular to the Z direction.

7. The operating unit of a surgical robot as claimed in claim 6, wherein the fixed unit comprises a connecting member (28), a first screw (26) fixed on the connecting member, a driving motor (27) for driving the first screw to rotate, and a sliding block (25) in threaded connection with the screw, the sliding block (25) is fixedly connected with the first rotating arm, the driving motor (27) drives the first screw to rotate, and further drives the sliding block to move along the axial direction of the screw, and the axial direction of the screw is perpendicular to the X direction.

8. the surgical robot operating unit of claim 7, wherein the fixing unit is fixed to an edge of the operating bed so that the boom unit does not interfere with the human body when the injured person lies on the operating bed.