CN110575260A - operation robot operating device - Google Patents

operation robot operating device Download PDF

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Publication number
CN110575260A
CN110575260A CN201910999015.6A CN201910999015A CN110575260A CN 110575260 A CN110575260 A CN 110575260A CN 201910999015 A CN201910999015 A CN 201910999015A CN 110575260 A CN110575260 A CN 110575260A
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CN
China
Prior art keywords
rod
movable
motor
axial direction
movable rod
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Granted
Application number
CN201910999015.6A
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Chinese (zh)
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CN110575260B (en
Inventor
王林玲
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Chongqing Normal University
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Chongqing Normal University
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Priority to CN201910999015.6A priority Critical patent/CN110575260B/en
Publication of CN110575260A publication Critical patent/CN110575260A/en
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Publication of CN110575260B publication Critical patent/CN110575260B/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/30Surgical robots
    • A61B34/35Surgical robots for telesurgery
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/70Manipulators specially adapted for use in surgery
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/70Manipulators specially adapted for use in surgery
    • A61B34/73Manipulators for magnetic surgery
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00Operating tables; Auxiliary appliances therefor
    • A61G13/10Parts, details or accessories
    • A61G13/101Clamping means for connecting accessories to the operating table
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00367Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
    • A61B2017/00398Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like using powered actuators, e.g. stepper motors, solenoids
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/30Surgical robots
    • A61B2034/305Details of wrist mechanisms at distal ends of robotic arms
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2203/00General characteristics of devices
    • A61G2203/10General characteristics of devices characterised by specific control means, e.g. for adjustment or steering
    • A61G2203/12Remote controls

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Robotics (AREA)
  • Manipulator (AREA)

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

Operation robot operating device
Technical Field
the present invention relates to the field of surgical instruments.
Background
The surgery is called as operation, commonly known as open surgery, and refers to a treatment process of entering human body or other biological tissues through surgical equipment or surgical instruments and operated by surgeons or other professionals to remove pathological changes, change structures or implant foreign objects by means of external force.
With the development of the technology, a device for performing the operation through remote operation, or a surgical robot, is developed, but during the operation through remote operation, a plurality of degrees of freedom, especially rotational degrees of freedom, must be provided for the surgical instrument, and in the existing surgical robot, the surgical instrument is mounted on the robot, and through the remote operation, the surgical instrument has the degrees of freedom of rotation, movement and the like, but during the rotation, the surgical instrument mostly rotates along the tail end of the surgical instrument, and in order to reach a rotation angle, the space for the movement of the surgical instrument is very large, which affects the operation. The technical solution that the surgical instrument can be operated and rotated by the distal end (i.e. the rotating shaft is located on the surgical instrument) has not been described in the prior art, so that the range of motion of the surgical instrument can be greatly reduced by rotating the surgical instrument by the same angle, and further, it is desirable that the surgical instrument can have a plurality of rotational degrees of freedom to facilitate the surgical operation.
Disclosure of Invention
The invention aims to solve the problem of the prior art that a surgical robot operating device comprises:
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;
The first movable rod and the second movable rod are axially parallel to each other, a first movable column is arranged at the near end of the first movable rod, a second movable column is arranged at the near end of the second movable rod, and the first movable column and the second movable column are respectively clamped into two first movable grooves of the sliding rod, so that the first movable rod and the second movable rod can move oppositely 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 comprises a surgical instrument, a first movable rod and a second movable rod are respectively connected with the surgical instrument at different points, a first connecting seat is arranged at the far end of the first movable rod and hinged with the surgical instrument, a second connecting seat is arranged at the far end of the second movable rod, a connecting column is arranged on the second connecting seat, a second movable groove is arranged on the surgical instrument, 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;
one end of the fixed rod is connected with the rotating arm unit, and the other end of the fixed rod is fixedly connected with the shell;
the first motor is fixed on the shell;
the second motor is fixed on the shell;
the mount, the mount is including being used for first fixed pipe (382) and the fixed pipe of second that first movable rod and second movable rod passed respectively, the second motor passes through power rod and mount connection, and the second motor passes through power rod drive mount round power rod axial rotation, further drives first movable rod and second movable rod and surgical instruments along power rod axial rotation, power rod axial direction be the second axial, first axial and second axial are perpendicular and crossing, be equipped with two arc passageways on the shell, two arc passageways are used for two movable rods to pass respectively, and when two movable rods round second axial direction rotation, two movable rods can remove in the arc passageway.
in a preferred embodiment, the housing is provided with a first motor cavity and a second motor cavity, respectively, the first motor being secured in the first motor cavity and the second motor being secured in the second motor cavity.
in a preferred embodiment, the surgical instrument includes a fixed base connected to the first movable rod and the second movable rod, a second screw is disposed on the fixed base, 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, a sliding unit in threaded connection with the second screw is disposed on the second screw, the sliding unit is connected to a long arm capable of extending into a human body, a surgical operation part is disposed at a tail end of the long arm and used for performing surgical operation, and the second screw can drive the sliding unit to move along the third axial direction.
in a preferred embodiment, the fixing base is provided with a fixing portion, and the fixing portion limits the long arm to move relative to the fixing base only along the third axial direction.
the invention also discloses a surgical robot operating unit, comprising:
the operating device of the present invention;
a boom unit 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).
furthermore, the rotating arm unit comprises a first rotating arm connected with the fixing unit, a second rotating arm connected with the first rotating arm, a third rotating arm connected with the second rotating arm, and a fourth rotating arm connected with the third rotating arm, wherein the first rotating arm and the second rotating arm can axially rotate relative to the X direction, the second rotating arm and the third rotating arm can axially rotate relative to the Y direction, the third rotating arm and the fourth rotating arm can axially rotate relative to the Z direction, the X direction is vertical to the Y direction, and the Y direction is vertical to the Z direction.
Furthermore, the fixed unit comprises a connecting piece, a first screw fixed on the connecting piece, a driving motor driving the first screw to rotate, and a sliding block in threaded connection with the screw, wherein the sliding block is fixedly connected with the first rotating arm, the driving motor drives the first screw to rotate, the sliding block is further driven to move along the axial direction of the screw, and the axial direction of the screw is vertical to the X direction.
further, the fixing unit is fixed to the edge of the operating table so that the swivel arm unit does not interfere with the human body when the patient lies on the operating table.
Drawings
fig. 1 is an overall schematic view of an operation unit;
Fig. 2 is a schematic view of the boom unit;
FIG. 3 is a schematic view of a stationary unit;
FIG. 4 is a schematic view of an operating device;
FIG. 5 is a side elevational view of the operating device;
FIG. 6 is a cross-sectional view of the operation device;
FIG. 7 is a schematic view of a connector holder;
FIG. 8 is a schematic view of the housing;
FIG. 9 is a schematic view of a motor cavity;
FIG. 10 is a schematic view of the housing;
FIG. 11 is a schematic view of a surgical instrument;
FIG. 12 is a schematic view of a third electric machine;
FIG. 13 is a schematic view of the surgical equipment of example 2;
FIG. 14 is a schematic view of a driving portion and a driven portion;
FIG. 15 is a schematic view of a follower link;
FIG. 16 is a schematic view of a follower link;
FIG. 17 is a schematic view of a follower link;
FIG. 18 is a schematic view of a follower link;
FIG. 19 is a schematic view of an active lever;
FIG. 20 is a schematic view of an active lever;
FIG. 21 is a schematic view of a slide bar;
The labels in the figure are:
example 1: 1-operating table, 2-rotating arm unit, 21-first rotating arm, 22-second rotating arm, 23-third rotating arm, 24-fourth rotating arm, 25-slide, 26-first screw, 27-driving motor, 28-connecting piece, 3-operating device, 31-fixed rod, 32-housing, 321-arc channel, 33-surgical instrument, 331-second movable groove, 332-fixed seat, 333-second screw, 334-third motor, 3341-stator, 3342-rotor, 3343-long rod, 3347-rotating ring, 3345-one-way converter, 3346-output rod, 335-sliding unit, 336-long arm, 337-fixed part, 34-first motor, 35-sliding rod, 351-first movable groove, 36-movable unit, 361-first movable rod, 362-second movable rod, 363-first movable column, 364-second movable column, 365-first connecting seat, 366-second connecting seat, 3661-connecting column, 37-second motor, 38-fixed frame, 381-second fixed tube, 382-first fixed tube, 383-power rod.
Example 2-robot body 1-fixed part, 3-equipment tube, 31-driving part, 311-driving tube, 312-driving rod, 3121-convex part, 3122-neck, 32-driven part, 321-driven tube, 3211-fixed hole, 322-driven rod, 3221-concave part, 3222-clamping part, 3223-articulated shaft, 3224-chuck, 3225-movable groove, 3226-sliding rod, 3227-screw rod, 3228-movable post, 4-forcep head.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
Example 1:
as shown in fig. 1, the clinical operation bed assembly comprises an operation bed 1, a fixing unit fixed at the edge of the operation bed 1, a rotating arm unit 2 connected with the fixing unit and an operating device 3 fixed at the tail end of the rotating arm unit, wherein the operating device 3 is provided with a surgical instrument and used for performing operation, and the rotating arm unit is provided with a plurality of rotating arms which can provide a plurality of rotating degrees of freedom for the operating device 3 so as to facilitate the 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 of the width direction of the operation bed, in a preferred embodiment, as shown in fig. 3, the fixing unit comprises a connecting part 28, a first screw 26 fixed on the connecting part, a driving motor 27 driving the first screw to rotate, a slider 25 in threaded connection with the screw, the slider 25 and a first rotating arm are fixedly connected, the driving motor 27 drives the first screw to rotate, further drives 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 fig. 2, the driving motor 27 can be controlled remotely or controlled in the operation room, the driving motor rotates, the slider 25 moves along the axial direction of the first screw, namely the edge of the operation bed, so as to adjust the position of the surgical instrument according to the position of the human body, can be based on the accuracy relative to manual operation and does not need to move the position of the patient.
In a specific embodiment, in order to provide the surgical instrument with a plurality of rotational degrees of freedom, as shown in fig. 2, the arm unit 2 includes a first arm 21 connected to the fixed unit, a second arm 22 connected to the first arm, a third arm 23 connected to the second arm, and a fourth arm 24 connected to the third arm, the first arm and the second arm being capable of rotating axially in the X direction, the second arm and the third arm being capable of rotating axially in the Y direction, the third arm and the fourth arm being capable of rotating axially in the Z direction, the X direction being perpendicular to the Y direction, the Y direction being perpendicular to the Z direction, the fourth arm 24 being fixed with the operating device 3, the joints of the adjacent arms being capable of rotating under the control of a motor or manually operating the rotation thereof, the mutual rotation of the four arms providing the surgical instrument with a plurality of rotational degrees of freedom, and thereby performing 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, the first motor is connected to the sliding rod 35 through a motor shaft, the first motor 34 rotates to drive the sliding rod 35 to rotate along the direction of the motor shaft, two ends of the sliding rod are respectively provided with a first movable slot 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 the first movable rod 361 is provided with a first movable post 363, the proximal end of the second movable rod is provided with a second movable post 364, the first movable post and the second movable post are respectively clamped into the two first movable slots 351 of the sliding rod, and 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 the axial direction of the two arrows in fig. 2.
As shown in fig. 6, the operation device 3 further includes a surgical instrument 33, the first movable rod and the second movable rod are respectively connected to the surgical instrument at different points, such as point a and point B in fig. 6, a first connecting seat 365 is disposed at a distal end of the first movable rod and hinged to the surgical instrument at point a, a second connecting seat 366 is disposed at a distal end of the second movable rod, and a connecting column 3661 (shown in fig. 7) 6 is disposed on the second connecting seat, as point B in the figure, a second movable slot 331 is disposed on the surgical instrument, the connecting column is clamped in the second movable slot, and the connecting column can move in the second movable slot, so as to drive the surgical instrument to rotate along the first axis 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.
the operating device 3 further includes a second motor 37, a fixed frame 38, and a housing 32 (shown in fig. 4), the first motor and the second motor are fixed on the housing 32, the fixed frame 38 includes a first fixed tube 382 and a second fixed tube 381 for the first movable rod and the second movable rod to pass through, respectively, the second motor is connected to the fixed frame through a power rod 388, and the second motor drives the fixed frame to rotate around the axial direction of the power rod through the power rod, further drives 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 a second axial direction, and the first axial direction and the second axial direction are perpendicular and intersect. 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 keep the same distance, and the fixed frame can drive the two movable rods to rotate by being driven to rotate so as to further drive the surgical instrument to rotate. When the distance between the movable rods is fixed, in order to ensure that the movable rods can move reversely, the second movable groove 331 is arranged on the surgical instrument, so that when the distance between the point A and the point B can further enable the surgical instrument to rotate automatically along with the movement and the change of the movable rods, further, the positions of the movable rods in the horizontal direction are fixed by the fixed frame, and therefore, the first movable groove is arranged, the first motor can drive the two movable rods to move up and down under the condition of equal distance, therefore, the surgical instrument can rotate in two rotating directions, and the space required by rotation is greatly reduced.
further, as shown in fig. 8, two arc-shaped channels are provided on the housing, the two arc-shaped channels 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.
in a specific embodiment, as shown in fig. 3 and 4, the operating device further includes a fixing lever 31 having one end connected to the boom unit and the other end fixedly connected to the housing 32.
in a specific embodiment, in order to fix the relative positions of the motor and the housing, as shown in fig. 8 and 9, the housing is respectively provided with a first motor cavity and a second motor cavity, the first motor is fixed in the first motor cavity, the second motor is fixed in the second motor cavity, the first motor and the second motor are further respectively fixed in the housing by fixing members such as screws, and the positions of the first motor and the second motor can be set according to specific requirements, as shown in fig. 9, the housing is an L-shaped structure, the first motor is located at the bottom of the housing, and the second motor is located at the vertical position of the housing.
The surgical instrument can be various existing surgical instruments, particularly surgical instruments with functions of grabbing, shearing, cutting, drilling, shooting and the like, and can also be surgical instruments in which artificial products can be implanted. In a specific embodiment, as shown in fig. 11, 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 rod 333, the second screw rod is connected to a third motor 334 and is driven by the third motor 334 to rotate, an axial direction of the second screw rod 333 is a third axial direction, the third axial direction is perpendicular to the first axial direction and the second axial direction, the second screw rod 333 is provided with a sliding unit 335 in threaded connection with the second screw rod 333, the sliding unit is connected to a long arm 336 capable of extending into a human body, a distal end of the long arm is provided with a surgical operation component (such as a grasping component, a cutting component, a drilling component, a clamping component, etc.) for performing a surgical operation, the second screw rod 333 is capable of driving the sliding unit to move along the third axial direction, and the fixed base is provided with a fixed portion 337 that limits the long arm to move only along the third axial direction relative.
the third motor 334 is a high power, low displacement motor, in some embodiments, an ultrasonic motor may be used, in a more preferred embodiment, as shown in fig. 12a-d, the third motor 334 includes a cylindrical outer casing, the cross section of the outer casing is circular, four stators 3341 are fixedly connected to the outer casing, the four stators are uniformly distributed in the outer casing, the distance between two adjacent stators is the same, each stator is provided with an energizing coil to enable the stator to have magnetism, the third motor further includes four rotors 3342, a rotor capable of moving between two adjacent stators is arranged between two adjacent stators, each rotor is connected with a long rod 3343, one end of each long rod is fixed on a fixed part, a hollow part is arranged in the middle of the circular ring of the fixed part, a unidirectional converter 3345 is arranged in the hollow part, and the unidirectional converter is preferably a unidirectional bearing, the outer ring of the one-way bearing and the connecting inner ring of the fixing part are fixedly connected with an output rod 3346, the side surface of the output rod is connected with the outer shell through a bearing, and the output rod is fixedly connected with the second screw rod or integrally formed; the rotor have magnetism, four rotors to the output pole equidistance, four stators to the output pole equidistance, can be put through the electric current that changes in direction on the stator so that the rotor can reciprocating motion between adjacent stator, and then the drive fixed part is round output pole reciprocating rotation, the transmission drive output pole through one-way bearing rotates and then drives the second screw rod and rotate.
specifically, as shown in fig. 12a-d, taking a rotor and stators at two ends of the rotor as an example, as shown in fig. 12a, the rotor is located in the middle of the stators, and the rotor moves clockwise from the force of magnetic force to approach the stators, and the current is controlled to change the current when approaching, at this time, the direction of the magnetic force applied to the rotor changes to be counterclockwise, and the rotor is driven to rotate around the counterclockwise direction until reaching the vicinity of the stator at the other end, as shown in fig. c, the direction of the current changes, and the direction of the movement of the rotor changes. According to the repetition, due to the action of the one-way bearing, when the rotor drives the fixing part to rotate clockwise, the fixing part drives the output rod to rotate, and when the rotor rotates anticlockwise, the output rod idles clockwise, so that the output rod can only output along the 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 rings, and the outer housing is provided with a sensing element, so that when the distance between the rotor and the stator is reduced to a certain value, the sensing element can be sensed and the current direction on the stator can be changed through the controller.
in the motor, the rotor reciprocates, the stator can be arranged at the two ends of the rotor, the direction of the magnetic force applied to the rotor is the same as the moving direction of the rotor, and the stator can realize the maximum torque output to the rotor, thereby realizing high power; meanwhile, the fixing part of the invention can be simultaneously driven by four rotors (6, 8, 10 and … … 2N even numbers can be matched when the design principle of the invention is installed), thereby realizing high-power output and accurately controlling the operation of surgical instruments.
Example 2:
The embodiment discloses a surgical robot surgical device, as shown in fig. 13, the surgical device includes a forceps head 4, a device tube 3, and a fixing portion 3, the forceps head 4 is in contact with human tissue for directly operating the human tissue, the forceps head may be, but not limited to, a knife, scissors, a needle, forceps, a clamp, a hook, etc.; the equipment union coupling binding clip 4, under the usual condition, the part on the binding clip 4 articulates on the equipment pipe, and fixed part 2 and equipment union coupling are equipped with two at least motors in the fixed part, and two motors can be current conventional motor, have the third motor that can be high-power, little displacement in the middle of embodiment 1. Further, the fixing part 2 drives the forceps head 4 to open and close and rotate through the device 3, as shown in fig. 13, the fixing part 2 is mounted on the robot body 1 to mount the surgical device on the robot body, the robot body is used for providing multiple degrees of freedom for the surgical device, and the robot body in this embodiment may be the robot body in fig. 2, that is, the operation device and the operation unit mentioned in embodiment 1.
in order to make the surgical instrument detachable, the instrument tube 3 of the present embodiment can be separated, as shown in fig. 14, the instrument tube 3 includes a driving part 31 connected to the fixing part and a driven part 32 connected to the bit, the driving part and the driven part are detachably connected, the driving part includes a driving tube 311 and a driving rod 312, the driven part 32 includes a driven tube 321 and a driven rod 322, the driving tube and the driven tube are detachably connected, the driving rod and the driven rod constitute an outer tube to support the bit, the driving rod and the driven rod constitute a power rod to drive the bit to open and close and the bit to rotate relative to the outer tube, and the driving tube and the driven tube can adopt the existing connection methods, such as a snap connection method, a screw connection method, and the like.
In a further preferred embodiment, as shown in fig. 15, the driven rod 322 includes a movable cavity, a clamping portion 3222 is disposed in the movable cavity, the clamping portion is provided with an articulated shaft 3223 to articulate the clamping portion on the movable cavity, the other end of the clamping portion is a clamping head 3224, the driving rod 312 is provided with a clamping groove 3122, the clamping head can rotate around the articulated shaft to enable the clamping head to be clamped into the clamping groove to fix the driving rod and the driven rod, and to enable the clamping head to be removed from the clamping groove to detach the driving rod and the driven rod, the clamping portion is provided with a movable groove 3225, the driven rod further includes a sliding rod 3226, the sliding rod is provided with a movable post 3228, the movable rod is clamped into the movable groove, and the sliding rod moves to enable the movable post to move in the movable groove to further drive the; the driven rod further comprises a screw 3227, a central channel is formed inside the slide rod, the slide rod is connected with a screw rod lead screw through the central channel, and the screw rod is fixed on the driven rod and the driven tube and can axially rotate to drive the slide rod to move.
as shown in fig. 19, the driving rod is provided with a convex portion 3121, the slot is located at the side of the convex portion, as shown in fig. 15 and 16, the driven rod 322 is provided with a concave portion, the concave portion is communicated with the movable cavity, and the convex portion can be inserted into the concave portion and matched with the concave portion. As shown in fig. 16 and 19, the cross-sections of the concave portions and the convex portions are each semicircular.
as shown in fig. 14, 18 and 20, the driven rod and the driven tube are each provided with a fixing hole 3211 through which a screw rod 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 penetrates through the driven rod, the direction of the fixed channel is the same as that of the sliding rod, the section of the fixed channel is basically the same as that of the sliding rod so as to just accommodate the sliding rod, the fixed channel limits the axial rotation of the sliding rod so that the sliding rod can only axially move, and in the embodiment, the sectional view of the driven rod is shown in order to see the movable cavity in fig. 15-17.
In this embodiment, when the driving part and the driven part are connected, the position of the clamping part is as shown in fig. 15, for the purpose of sterilizing the equipment or replacing new equipment, when the surgical equipment needs to be replaced, it only needs to replace the forceps head and the driven part, the fixing part and the driving part do not need to be replaced, the screw rod is inserted into the fixing hole of the driven tube and the driven rod, the screw rod is rotated by a tool or a hand to move the slide rod, the slide rod moves to move the movable column in the movable groove, and at this time, the clamping part rotates counterclockwise around the hinge shaft 3223 (refer to fig. 15) until the position of fig. 16 is reached, the forceps head is removed from the clamping groove of the driving rod, the driving rod and the driven rod are detachable, and the driving tube and the driven tube are detached at the same time, and the driving part and the driven part are detachable.
The driven portion and bit of the present invention may be packaged with a screw, as shown in fig. 16, or with a tool and without a screw. When the driving part and the driven part need to be installed, the convex part of the driving rod is inserted into the concave part of the driven rod, the screw rod is rotated, the clamping part rotates to enable the clamping head to enter the clamping groove of the driving rod, and the driving rod and the driven rod are fixed. The depth of the concave part and the convex part ensures that the positions of the clamping groove and the clamping head are just corresponding when the tail end of the convex part is inserted into the bottom of the concave part.
The invention has convenient installation, the driving rod formed by the driving rod and the driven rod can rotate and move without influencing normal use, and the outer tube formed by the driving tube and the driven tube of the invention is completely flat with the fixed hole without additional structure. The replacement is quick and convenient. The driving part can be a plurality of different driven parts.
in a preferred embodiment, the tip of the chuck is tapered to enable the chuck to snap into the slot 3122 and be secured by the slot, the deeper the slot into which the chuck extends, the tighter the chuck is secured by the slot.

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.
CN201910999015.6A 2019-10-21 2019-10-21 Operation robot operating device Active CN110575260B (en)

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