WO2021037170A1 - 传动、驱动及无菌组件与手术器械及系统、手术机器人 - Google Patents
传动、驱动及无菌组件与手术器械及系统、手术机器人 Download PDFInfo
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- WO2021037170A1 WO2021037170A1 PCT/CN2020/111869 CN2020111869W WO2021037170A1 WO 2021037170 A1 WO2021037170 A1 WO 2021037170A1 CN 2020111869 W CN2020111869 W CN 2020111869W WO 2021037170 A1 WO2021037170 A1 WO 2021037170A1
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- WIPO (PCT)
- Prior art keywords
- transmission
- guide surface
- disc
- transmission disc
- guide
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/30—Surgical robots
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/70—Manipulators specially adapted for use in surgery
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B46/00—Surgical drapes
- A61B46/10—Surgical drapes specially adapted for instruments, e.g. microscopes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
- A61B50/30—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments
- A61B50/31—Carrying cases or bags, e.g. doctors' bags
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D11/00—Clutches in which the members have interengaging parts
- F16D11/14—Clutches in which the members have interengaging parts with clutching members movable only axially
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00017—Electrical control of surgical instruments
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
- A61B2017/00398—Details 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00477—Coupling
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00876—Material properties magnetic
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0813—Accessories designed for easy sterilising, i.e. re-usable
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D11/00—Clutches in which the members have interengaging parts
- F16D2011/008—Clutches in which the members have interengaging parts characterised by the form of the teeth forming the inter-engaging parts; Details of shape or structure of these teeth
Definitions
- the present invention relates to the technical field of medical devices, in particular to a transmission, drive and sterile assembly, surgical instruments and systems, and surgical robots.
- the minimally invasive surgical robot can reduce the physical exertion of the doctor during the operation, and on the other hand, it can also achieve the purpose of precise surgery, so that it has the advantages of minimal trauma, less blood loss, less postoperative infection, and faster recovery.
- Surgical instruments used in surgery usually need to be sterilized, but the medical surgical robot itself has many parts (such as motors, sensors, etc.) that are not suitable for routine sterilization operations, so the surgical robot cannot be sterilized as a whole. Therefore, a sterile board and a sterile bag are usually used to isolate the non-sterilizable parts and the sterilizable surgical instruments.
- Surgical instruments need to be replaced frequently during the operation, and the surgical instruments and sterile plates need to be disassembled and assembled every time the surgical instruments are replaced. Therefore, it is hoped that there is a simple and efficient connection method to realize the transmission connection between the sterile plate and the surgical instruments. .
- Chinese patent application CN106102640A mentions a method for coupling a housing instrument with a remotely operated actuator, which realizes the connection between the transmission interfaces by rotationally coupling the carriage drive in the instrument manipulator and the instrument drive of the surgical instrument.
- This design has the following shortcomings: (1) This structure provides axial force to the carriage drive through the elastic element, so that the carriage drive can achieve axial displacement. The carriage drive that moves in the axial direction must be relative to the input drive shaft. Circumferential clearance, which causes accuracy errors and is not conducive to precise surgical operations; (2) In this solution, the carriage drive is frictionally coupled to the corresponding instrument drive. When the turntable is in some special positions, the coupling failure problem is likely to occur.
- Chinese patent application CN103533908A mentions an instrument interface, which uses a conical structure to perform friction transmission to drive the instrument.
- This design has the following shortcomings: (1) The interface can be docked with the drive motor at any position of the drive turntable, so that The initial position of the end of the instrument cannot be judged, and the robot system cannot obtain the absolute position information of the end of the instrument. This is not conducive to ensuring the safety during the operation; (2) There is a risk of slipping in the use of friction transmission. Cause precision errors, and adversely affect the surgical operation.
- the purpose of the present invention is to provide a transmission assembly, a drive assembly, a sterile assembly, a surgical instrument, a surgical instrument system, and a surgical robot, so as to realize the rapid and accurate joining of the surgical instrument and the sterile plate, avoid the occurrence of coupling failure, and improve the operation The safety of the robot.
- the present invention provides a transmission assembly for surgical instruments, including a first transmission disc and a second transmission disc;
- the first transmission disc has a second end, and the second transmission disc has a third end arranged face to face with the second end;
- a first guide surface is formed on one end surface of the end surface of the second end and the end surface of the third end, while a second joint portion is provided on the other end surface, and at least one first guide surface is provided on the first guide surface.
- An engaging portion, the second engaging portion is configured to be capable of engaging with the first engaging portion;
- the second engagement portion is used to move along the first guide surface until it engages with the first engagement portion, so as to allow torque transmission between the first transmission disc and the second transmission disc.
- the first guide surface has at least one wave crest and at least one wave trough distributed along the circumferential direction of the end surface where it is located, and the first joint portion is disposed at the wave trough of the first guide surface.
- the diameter of the projection of the first guide surface along the axial direction is greater than or equal to one-tenth of the axial distance from the peak to the trough of the first guide surface.
- the second end of the first transmission disc is further provided with a first positioning post extending in the axial direction; the third end of the second transmission disc is further provided with a first positioning hole extending in the axial direction, The first positioning column and the first positioning hole cooperate with each other to assist in realizing the concentric positioning of the first transmission disc and the second transmission disc.
- the first joint is a groove
- the second joint is a protrusion
- the end surface where the second joint is located is provided with a first shielding wall surrounding the protrusion
- the first A shielding wall is ring-shaped and connected with the protrusion
- the projected diameter along the axial direction of the end surface where the first guide surface is located is smaller than or equal to the inner diameter of the first shielding wall.
- the second joint portion includes a first guide portion and a first power transmission portion
- the first guide portion is used for contacting the first guide surface to guide the second engaging portion to slide along the first guide surface;
- the first power transmission part is used to transmit power when the first joint part is engaged with the second joint part.
- the projections of the first joint portion and the first power transmission portion in the axial direction are both waist-shaped; or,
- the projections of the first coupling portion and the first power transmission portion in the axial direction are fan-shaped, and the angle of the fan shape formed by the first coupling portion is greater than or equal to the fan shape formed by the first power transmission portion Angle.
- the second engagement portion includes a first guide portion configured to contact the first guide surface to guide the second engagement portion to slide along the first guide surface, And it is used to transmit power when the second joint part is joined with the first joint part.
- the first guiding portion and the first engaging portion are configured to be in surface contact to increase the friction between the two.
- the number of the second engagement portion is at least two, and the first guide surface and the second engagement portion are configured such that when the second transmission disc receives an axial external force, and the first When the guide surface is in contact with the second joint, the force received by the second joint is unbalanced.
- each of the second engaging portions includes a first guiding portion, and each of the first guiding portions includes two wedge-shaped surfaces, and the two wedge-shaped surfaces form a first intersection line;
- the first guide surface includes a plurality of successively connected sub-guide surfaces, and two adjacent sub-guide surfaces form a second intersection line at the wave crest of the first guide surface;
- the first intersecting line and the second intersecting line are configured such that when the second joint portion and the first guiding surface are in contact at the crest of the first guiding surface, the first intersecting line
- the projection along the axial direction and the projection along the axial direction of the corresponding second intersection line at least partially overlap; or,
- the first intersection line and the second intersection line are configured such that when the second joint portion and the first guide surface are in contact at the crest of the first guide surface, a plurality of the first There are at least two collinear projections of the intersection lines along the axial direction, and at least two collinear projections of the plurality of second intersection lines along the axial direction.
- each of the second joint portions includes a first guide portion, each of the first guide portions includes two wedge-shaped surfaces, and a first transition surface located between the two wedge-shaped surfaces;
- the first transition surface is cut by a set of cutting planes or cutting curved surfaces, and a set of cutting intersection lines are formed between the first transition surface and the cutting plane or cutting curved surface, and a line formed by the characteristic points of each cutting intersection line As the first intersecting line;
- the first guide surface includes a plurality of sub-guide surfaces, and two adjacent sub-guide surfaces are connected by a second transition surface at the crest of the first guide surface; the second transition surface is cut by the set of Plane or cutting curved surface cutting, forming a set of cutting intersection lines between the second transition surface and the cutting plane or cutting curved surface, and taking the line formed by the characteristic points of each cutting intersection line as the second intersection line;
- the first intersecting line and the second intersecting line are configured such that when the first joint and the second joint are joined, the projection of the first intersecting line in the axial direction corresponds to the corresponding The projections along the axial direction of the second intersection line at least partially overlap; or,
- the plurality of first intersection lines and the plurality of second intersection lines are configured such that when the first joint portion and the second joint portion are joined, the plurality of first intersection lines lie along the axial direction There are at least two collinear in the projection, and at least two collinear in the projections of the plurality of second intersection lines along the axial direction.
- the end surface where the second engaging portion is located is formed with a first mating surface
- the second engaging portion is disposed on the first mating surface
- the first mating surface is configured not to prevent the second mating surface.
- the engaging portion moves along the first guide surface and engages with the first engaging portion.
- the first mating surface is configured such that when the second engaging portion is engaged with the first engaging portion, the first mating surface is at least partially attached to the first guide surface.
- the first guide surface has at least one wave crest and at least one wave trough distributed along the circumferential direction of the end surface where it is located, and the first joint portion is disposed at the wave trough of the first guide surface;
- the first mating surface has at least one wave crest and at least one wave trough distributed in the circumferential direction of the corresponding end surface, and the second joint portion is provided at the wave crest of the first mating surface;
- the wave crests of the first mating surface are arranged correspondingly to the wave troughs of the first guide surface, and the wave troughs of the first mating surface are arranged correspondingly to the wave crests of the first guide surface;
- the wave trough of the first mating surface is configured not to prevent the first joint part and the second joint part from being joined.
- the wave troughs of the first mating surface are configured such that when the first transmission disc and the second transmission disc are engaged, the wave troughs of the first mating surface and the corresponding crests of the first guide surface are completely No contact; or,
- the wave trough of the first mating surface is not in contact with the wave crest of the corresponding first guide surface, but the two sides of the wave trough of the first mating surface and the two sides of the wave crest of the corresponding first guide surface are in line contact or Surface contact.
- the first guide surface has at least one wave crest and at least one wave trough distributed along the circumferential direction of the end surface where it is located, and the first joint portion is disposed at the wave trough of the first guide surface;
- the wave crests of the first mating surface and the wave troughs of the first guiding surface are arranged correspondingly, and the wave troughs of the first mating surface are arranged correspondingly to the wave crests of the first guiding surface;
- the first matching surface is further provided with a first relief groove, and the first relief groove is used for accommodating the wave crest of the first guide surface.
- it further includes a third transmission disc, and the first transmission disc, the second transmission disc, and the third transmission disc are connected in sequence;
- the second transmission disc further has a fourth end opposite to the third end, and the third transmission disc has a fifth end disposed face to face with the fourth end;
- a second guide surface is formed on one of the end surface of the fourth end and the end surface of the fifth end, while a fourth joint portion is provided on the other end surface, and at least one third guide surface is provided on the second guide surface.
- An engaging portion, the fourth engaging portion is configured to be capable of engaging with the third engaging portion;
- the fourth engagement portion is used to slide along the second guide surface until it engages with the third engagement portion, so as to allow torque transmission between the second transmission disc and the third transmission disc.
- first joining portion and the third joining portion have the same shape and size; the second joining portion and the fourth joining portion have the same shape and size, and the first guide surface The shape is the same as that of the second guide surface.
- the transmission assembly includes at least two second transmission discs that are engaged with each other, wherein one of the second transmission discs is engaged with the first transmission disc, and the other of the second transmission discs is engaged with the third transmission disc.
- the drive disc is engaged.
- the second engagement portion and the fourth engagement portion are arranged alternately along the circumferential direction of the transmission assembly.
- the present invention also provides a surgical instrument system for a surgical robot, including:
- the power box includes a first box body and a driving mechanism, the driving mechanism is arranged in the first box body, and at least one output hole is provided on the first box body;
- a surgical instrument includes an instrument rod, an instrument end, and an instrument box;
- the instrument box includes a second box body and a transmission module, the transmission module is arranged in the second box body, and is used to drive the instrument rod and/ Or the end of the instrument moves while at least one input hole is provided on the second box body; and,
- the first transmission disc is arranged in the output hole
- the second transmission disc is arranged in the input hole
- the driving mechanism provides The power of is transmitted to the transmission module through the transmission assembly, and then the transmission module drives the instrument rod and/or the instrument end to move.
- the present invention also provides a surgical instrument system for a surgical robot, including:
- the power box includes a first box body and a driving mechanism, and the driving mechanism is arranged in the first box body, and at least one output hole is provided on the first box body;
- Aseptic plate at least one and provided with at least one transmission hole
- a surgical instrument includes an instrument rod, an instrument end, and an instrument box.
- the instrument box includes a second box body and a transmission module.
- the transmission module is arranged in the second box body and used to drive the instrument rod and/ Or the end of the instrument moves while at least one input hole is provided on the second box body; and,
- the power box, the sterile board and the instrument box are arranged in sequence;
- the first transmission disc arranged in the output hole further includes a first end arranged opposite to the second end, and the first end of the first transmission disc is connected with the driving mechanism;
- the second The transmission disc is arranged in the transmission hole;
- the third transmission disc is arranged in the input hole, and the third transmission disc further includes a sixth end arranged opposite to the fifth end, the third transmission disc The sixth end of is connected with the transmission module;
- the power provided by the driving mechanism is transmitted to the transmission module via the transmission assembly, and then the transmission module The group drives the instrument rod and/or the instrument end to move.
- the surgical instrument system further includes at least one set of positive magnets
- the third transmission disk has a zero position, and the positive magnet group is used to assist the third transmission disk to reach the zero position.
- the upright magnet set includes a first magnet and a second magnet, the first magnet is arranged on the third drive plate, the second magnet is arranged on the instrument box, and the first magnet is arranged on the instrument box.
- a magnet and the second magnet are attracted and arranged to assist the third transmission plate to reach the zero position.
- the surgical instrument system further includes at least one set of anti-dislocation magnets
- the transmission component has a worst position, and the anti-dislocation magnet group is used to prevent the transmission component from being located at the worst position.
- the anti-dislocation magnet group includes a third magnet and a fourth magnet, the third magnet is arranged on the second transmission plate, the fourth magnet is arranged on the sterile plate, and the The third magnet and the fourth magnet are arranged repulsively to make the transmission assembly avoid the worst position under the action of repulsive force.
- the surgical instrument system further includes a circumferential limiter for restricting the rotation range of the third transmission disc.
- the circumferential limiting member includes a limiting protrusion provided on the circumferential side wall of the third transmission disc and a sliding groove provided on the inner wall of the input hole, and the limiting protrusion is located at The sliding groove can be rotated along the sliding groove.
- the surgical instrument system further includes an axial stopper for preventing the second transmission disc from falling out of the sterile plate.
- the sterile plate includes a sterile base plate and a sterile cover plate, the sterile base plate is connected to the power box, and a first through hole is provided on the sterile base plate, and the sterile cover A second through hole is provided on the board, and the first through hole and the second through hole constitute the transmission hole;
- the axial limiter includes a circumferential side wall of the second transmission disc. A retaining ring, the inner diameter of the portion of the second through hole close to the first through hole is greater than the inner diameter of the portion of the second through hole away from the first through hole, and is also greater than the inner diameter of the first through hole, And it matches with the outer diameter of the limit stop ring.
- the present invention also provides a surgical robot, including the surgical instrument system as described above.
- the surgical robot further includes a mechanical arm, the power box is fixed to the end of the mechanical arm, and the instrument box is detachably connected to the power box.
- the present invention also provides a surgical robot, including the surgical instrument system as described above.
- the surgical robot further includes a mechanical arm
- the power box is fixed to the end of the mechanical arm
- the sterile plate is detachably arranged on the power box
- the instrument box is detachably connected On the sterile plate.
- the present invention also provides a drive assembly for surgical instruments, including:
- a first box body, at least one output hole is opened on the first box body
- the driving mechanism is arranged in the first box body;
- the first transmission disk for engaging with the second transmission disk provided with the second engaging portion or the third transmission disk provided with the fourth engaging portion is arranged in the output hole, and the first transmission disk has an opposite Of the two ends, one of which is connected to the drive mechanism, and a guide surface is formed on the end of the other end, and at least one first joint is provided on the guide surface, and the guide surface is used to make The second engaging portion of the second transmission disc or the fourth engaging portion of the third transmission disc moves along the guide surface until it engages with the first engaging portion.
- the guide surface of the first transmission disc has at least one wave crest and at least one wave trough distributed along the circumferential direction of the corresponding end, and the first joint is arranged at the wave trough of the guide surface.
- At least two of the first engaging parts are provided on the guide surface of the first transmission disc, and the two first engaging parts are centrally symmetrically arranged on the guide surface.
- the present invention also provides a drive assembly for surgical instruments, including:
- a first box body, at least one output hole is opened on the first box body
- the driving mechanism is arranged in the first box body; and,
- a first transmission disk for engaging with a second transmission disk provided with a first guide surface and a first engagement portion or a third transmission disk provided with a second guide surface and a third engagement portion, and the first transmission disk is provided In the output hole, and the first transmission disc has two opposite ends, one of which is connected to the driving mechanism, and at least one second joint is formed on the end surface of the other end, so The second engagement portion is used to move along the first guide surface until it engages with the first engagement portion, or is used to move along the second guide surface until it engages with the third engagement portion.
- the end surface of the other end of the first transmission disc is formed with a first mating surface, and the first mating surface has at least one wave crest and at least one wave trough distributed in the circumferential direction of the corresponding end surface, the The second joint portion is located at the wave crest of the first mating surface.
- the present invention also provides a sterile assembly, including:
- At least one sterile plate is provided with at least one transmission hole
- the second transmission disc for engaging with the first transmission disc and the third transmission disc and is arranged in the transmission hole, and the second transmission disc has two opposite ends, at least one end A guide surface is formed on the end surface of the second drive disc, and at least one joint part is provided on the end face of the two end parts of the second transmission disc. The guide surface and the joint part are used to make the second transmission disc and the The first transmission disc is engaged with the third transmission disc.
- the guide surface of the second transmission disc has at least one wave crest and at least one wave trough distributed along the circumferential direction of the corresponding end, and the joint portion provided on the guide surface is located in the wave trough of the guide surface Place.
- the guide surfaces are formed on both end surfaces of the two end portions of the second transmission disc, and at least one engaging portion is provided on each of the guide surfaces, and the engaging portion is a groove.
- the guide surface is formed on the end surface of only one end of the second transmission disc, and the joint provided on the guide surface is a groove, and the joint provided on the end surface of the other end is a groove.
- the part is raised.
- the aseptic assembly further includes at least one set of anti-dislocation magnets
- the second transmission disk has a worst position, and the anti-dislocation magnet group is used to prevent the second transmission disk from being located at the worst position.
- the aseptic assembly includes at least two stacked aseptic plates, and the transmission holes on the at least two aseptic plates are aligned and arranged, and each of the transmission holes is provided with one Transmission plate.
- it further includes an axial limiter for preventing the drive disc from falling out of the drive hole.
- the sterile plate includes a sterile base plate and a sterile cover plate, the sterile base plate is used to connect with the power box assembly, and the sterile base plate is provided with a first through hole, and the sterile base plate is The cover plate is provided with a second through hole, and the first through hole and the second through hole constitute the transmission hole; the axial limiter includes the second transmission disc provided on the circumferential side wall In the limiting retaining ring, the inner diameter of the portion of the second through hole close to the first through hole is greater than the inner diameter of the portion of the second through hole away from the first through hole, and is also greater than the inner diameter of the first through hole, and It is matched with the outer diameter of the limit retaining ring.
- the present invention also provides a sterile assembly, including:
- At least one sterile plate is provided with at least one transmission hole;
- the end surfaces of the two end portions of the second transmission disc are both formed with mating surfaces, and the mating surfaces have at least one wave crest and at least one wave trough distributed along the circumferential direction of the corresponding end surface, and each of the joints It is set at the wave crest of the corresponding mating surface.
- an instrument box assembly which is used for a surgical instrument containing an instrument shaft and an instrument end, including:
- the instrument box includes a second box body and a transmission module set in the second box body.
- the transmission module is used to drive the instrument rod and/or the end of the instrument to move, and the second box body is provided with at least An input hole; and,
- the third transmission disk for engaging with the first transmission disk provided with the second engaging portion or the second transmission disk provided with the fourth engaging portion is arranged in the input hole, and the third transmission disk has an opposite Two ends, one of which is connected to the transmission module, the end surface of the other end is formed with a guide surface, and at least one third joint portion is provided on the guide surface, and the guide surface is used to make The second engagement portion of the first transmission disc moves along the guide surface until it engages with the third engagement portion, or the guide surface is used to make the fourth engagement portion of the second transmission disc follow the guide The surface moves until it engages with the third joint.
- the guide surface of the third transmission disc has at least one wave crest and at least one wave trough distributed along the circumferential direction of the corresponding end portion, and the third joint portion is arranged at the wave trough of the guide surface.
- the transmission module includes a rotating member, a flexible structure, and a guide wheel set, wherein the guide wheel set is used to change the extension direction of the flexible structure; the rotating member is used to drive through the flexible structure
- the third transmission disc is detachably connected with the rotating part, or is integrally formed with the rotating part.
- the surgical instrument further includes at least one set of positive magnets
- the third transmission disc has a zero position, and the positive magnet group is used to assist the third transmission disc to reach the zero position.
- the surgical instrument further includes a circumferential limiter for restricting the rotation range of the third transmission disc.
- an instrument box assembly which is used for a surgical instrument containing an instrument shaft and an instrument end, including:
- the instrument box includes a second box body and a transmission module arranged in the second box body.
- the transmission module is used to drive the instrument rod and/or the end of the instrument to move, and the instrument box is provided with at least one input Hole; and,
- a third transmission disk for engaging with a first transmission disk provided with a first guide surface and a first engagement portion or a second transmission disk provided with a second guide surface and a third engagement portion, and is disposed in the input hole
- the third transmission disc has two opposite ends, one of which is connected to the transmission module, and the end surface of the other end is formed with at least one fourth joint, and the fourth joint is used for Move along the first guide surface until it engages with the first engagement portion of the first transmission disc, or the fourth engagement portion is used to move along the second guide surface until it engages with the first engagement portion of the second transmission disc Three joints are joined.
- the end surface of the other end of the third transmission disc is formed with a first mating surface, and the first mating surface has at least one wave crest and at least one wave trough circumferentially distributed along the corresponding end surface, and the fourth The joint is located at the wave crest of the first mating surface.
- the transmission assembly, drive assembly, sterile assembly, surgical instrument, surgical instrument system and system of the present invention have the following advantages:
- the transmission assembly of the present invention is used for surgical instruments and includes at least a first transmission disc and a second transmission disc.
- the first transmission disc has a second end, and the second transmission disc has a face to face with the second end.
- a first guide surface is formed on the end surface of the second end or the third end, the first guide surface is provided with at least one first joint portion, and the other end surface is provided with The second engaging portion engaged with the first engaging portion; wherein: the second engaging portion is used to move along the first guide surface until it engages with the first engaging portion, so as to allow the first drive disc Torque transmission with the second transmission disc.
- the transmission assembly may further include a third transmission disc, the first transmission disc, the second transmission disc, and the third transmission disc are sequentially connected; the second transmission disc also has a fourth transmission disc opposite to the third end.
- the third drive disc has a fifth end facing the fourth end; a second guide surface is formed on the end surface of the fourth end or the fifth end, and the second guide surface is provided There is at least one third joint part, and the other end surface is provided with a fourth joint part engaged with the third joint part; wherein: the fourth joint part is used to slide along the second guide surface until Engaged with the third engaging portion to allow torque transmission between the second transmission disc and the third transmission disc.
- the surgical instrument system can be equipped with a sterile plate, thereby isolating the drive assembly and the surgical instrument, so that the surgical robot system does not need to be operated.
- the whole machine is disinfected.
- the first shielding wall connected with the second joint can not only improve the stress condition of the second joint during transmission, but also reduce The axial size of the entire transmission assembly is reduced, the utilization of the axial size is improved, and the quality of the transmission assembly can be reduced; in the same way, a second shield connected to the fourth joint is provided on the outer periphery of the fourth joint
- the wall can improve the force condition of the fourth joint part during transmission, increase the utilization rate of the axial size of the transmission assembly, and reduce the quality of the transmission assembly.
- Fig. 1 is a schematic diagram of a surgical robot provided according to an embodiment of the present invention when working;
- Figure 2a is a schematic structural diagram of a surgical instrument system according to an embodiment of the present invention.
- Figure 2b is a schematic diagram of the surgical instrument system shown in Figure 2a when it is disassembled;
- Fig. 2c is an exploded schematic diagram of the surgical instrument system shown in Fig. 2a, some parts are not shown in the figure;
- FIG. 3 is a schematic diagram of the sterile plate substrate, sterile cover plate, and upright magnet group in the surgical instrument system shown in FIG. 2a when they are disassembled;
- Figure 4 is a partial cross-sectional view of an aseptic component according to an embodiment of the present invention.
- Figure 5a is a schematic structural diagram of a transmission assembly according to a first embodiment of the present invention.
- Figure 5b is a schematic structural view of the first drive disc in one direction in the drive assembly shown in Figure 5a;
- Fig. 5c is a schematic structural diagram of the first transmission disc shown in Fig. 5b in another direction;
- Figure 5d is a schematic structural view of the second drive disc in one direction in the drive assembly shown in Figure 5a;
- Fig. 5e is a schematic structural diagram of the second transmission disc shown in Fig. 5d in another direction;
- Figure 5f is a schematic structural view of the third drive disc in one direction in the drive assembly shown in Figure 5a;
- Fig. 5g is a schematic structural diagram of the third transmission disc shown in Fig. 5f in another direction;
- 6a and 6b are schematic diagrams of using a cutting surface to obtain the intersection line when the wedge-shaped surface of the guide portion in the first embodiment is connected by a transition surface;
- Fig. 7a is an exploded schematic diagram of a deformed structure of the transmission assembly shown in Fig. 5a;
- Fig. 7b is an exploded schematic view of the transmission assembly shown in Fig. 7a in another direction;
- Fig. 7c is an exploded schematic diagram of another deformed structure of the transmission assembly shown in Fig. 5a;
- Fig. 7d is an exploded schematic view of the transmission assembly shown in Fig. 7c in another direction;
- Fig. 7e is an exploded schematic diagram of yet another deformed structure of the transmission assembly shown in Fig. 5a;
- Fig. 7f is an exploded schematic view of the transmission assembly shown in Fig. 7e in another direction;
- Fig. 7g is an exploded schematic diagram of yet another deformed structure of the transmission assembly shown in Fig. 5a;
- Fig. 7h is a schematic view showing a deformed structure of the transmission assembly shown in Fig. 7g in another direction;
- Fig. 8a is a schematic structural diagram of a transmission assembly according to a second embodiment of the present invention.
- Figure 8b is a schematic structural view of the first drive disc in one direction in the drive assembly shown in Figure 8a;
- Fig. 8c is a schematic structural diagram of the first transmission disc shown in Fig. 8b in another direction;
- Fig. 8d is a schematic structural view of the second transmission disc in one direction in the transmission assembly shown in Fig. 8a;
- Fig. 8e is a schematic structural diagram of the second transmission disc shown in Fig. 8d in another direction;
- Figure 8f is a schematic structural view of the third drive disc in one direction in the drive assembly shown in Figure 8a;
- Fig. 8g is a schematic structural diagram of the third transmission disc shown in Fig. 8f in another direction;
- Fig. 9a is a schematic structural diagram of a transmission assembly according to a third embodiment of the present invention.
- Figure 9b is an exploded schematic view of the transmission assembly shown in Figure 9a;
- Fig. 10 is a schematic structural diagram of a transmission assembly according to a fourth embodiment of the present invention.
- Figure 11 is a schematic structural diagram of a drive box provided according to an embodiment of the present invention.
- Figure 12 is a schematic structural diagram of an aseptic component provided according to an embodiment of the present invention.
- Fig. 13 is a schematic structural diagram of the transmission disc of the aseptic assembly shown in Fig. 12, in which both end surfaces of the transmission disc form a guide surface;
- Fig. 14 is a schematic structural diagram of the transmission disc of the aseptic assembly shown in Fig. 12.
- one end surface of the transmission disc forms a guide surface, and the other end surface forms a mating surface;
- FIG. 15 is a schematic diagram of the structure of the transmission disc of the sterile assembly shown in FIG. 12, in the figure, one end surface of the transmission disc forms a guide surface, and the other end surface is provided with a shielding wall;
- 16 is a schematic structural diagram of a sterile assembly provided according to an embodiment of the present invention, and there are two sterile plates in the figure;
- Figure 17 is a schematic structural diagram of a surgical instrument provided according to an embodiment of the present invention.
- Fig. 18 is an enlarged schematic diagram of the position A in Fig. 17.
- 4000-sterile board 4000a-first sterile board, 4000b-second sterile board;
- Fig. 1 shows a schematic diagram of a surgical robot provided by an embodiment of the present invention during operation.
- the surgical robot includes a control end and an execution end.
- the control end includes a doctor's console 10 provided with a main operator.
- the execution end includes an operating trolley 20 and a side trolley 30.
- the patient lies on the operating trolley 20 for surgery.
- the side trolley 30 is provided with a mechanical arm (not marked in the figure) for mounting the surgical instrument system, and the mechanical arm, the surgical instrument system and the master operator have a predetermined mapping relationship, so that the two form a master-slave In relation to this, the robotic arm and the surgical instrument system implement actions in all directions according to the movement of the main manipulator to complete the operation.
- the surgical instrument system includes a drive assembly 100, a sterile assembly 200, and a surgical instrument 300.
- the surgical instrument 300 includes an instrument box assembly and an instrument end 310 connected to the instrument box assembly. And a transmission interface is provided on the instrument box assembly.
- the drive assembly 100 is used to provide driving force for the surgical instrument 300;
- the sterile assembly 200 is used to provide the drive assembly 100 and the drive assembly on both sides of the sterile bag (such as the sterile side and the non-sterile side)
- the transmission interface on the instrument box assembly provides a power transmission medium, and the transmission interface provided on the instrument box assembly receives the torque transmitted from the drive assembly 100 and drives each joint of the instrument end 310 to move.
- the surgical instrument 300 also includes an instrument rod 320. If the instrument rod 320 is rotatably connected with the instrument box assembly, the transmission interface provided on the instrument box assembly receives the torque transmitted from the drive assembly 100 and drives the instrument rod 320 to perform Rotational movement.
- the drive assembly 100 and the sterile assembly 200 are also provided with a transmission interface, and the drive assembly 100, the transmission interface in the sterile assembly 200 and the transmission interface in the instrument box assembly match each other.
- the transmission interfaces are connected to each other to form a transmission assembly to transmit the power provided by the driving assembly 100 to the instrument end 310, so as to enable the instrument end 310 to perform various actions.
- the driving assembly 100 includes a power box and a transmission disk arranged on the power box, and the power box is fixed to the end of the mechanical arm. For example, if the end of the mechanical arm includes a moving joint, the power box is arranged at the moving joint and moves with the movement of the moving joint.
- the aseptic component 200 is located on the aseptic bag and can be detachably connected to the driving component 100. Further, the aseptic assembly 200 includes a sterile plate and a transmission plate arranged on the aseptic plate, and the aseptic plate is detachably arranged on the power box.
- the surgical instrument 300 is detachably connected to the sterile assembly 200 through the instrument box assembly. Further, the instrument box assembly includes an instrument box and a drive plate arranged on the instrument box, and the instrument box is detachably connected to the sterile plate.
- the surgical robot adopts a special sterilization method (for example, ozone sterilization, hydrogen peroxide sterilization, etc.) for complete machine sterilization.
- the surgical instrument system may include a driving assembly 100 and a surgical instrument 300.
- the drive assembly 100 and the transmission interface provided in the instrument box assembly are connected to each other to form a drive assembly, so as to directly transmit the power provided by the drive assembly 100 to the instrument end 310.
- the first objective of the embodiment of the present invention is to provide a transmission assembly 1000 suitable for a surgical instrument system of a surgical robot.
- the transmission assembly 1000 provided by the embodiment of the present invention may include a first transmission disk 1100, a second transmission disk 1200, and a third transmission disk 1300 arranged in sequence; the first transmission disk 1100 has opposite The first end and the second end of the second drive plate 1200 have opposite third and fourth ends, and the third end and the second end are arranged face to face; and, the third drive plate The 1300 has a fifth end and a sixth end opposite, and the fifth end and the fourth end are arranged face to face.
- One of the second end and the third end is formed with a first guide surface 1010, the first guide surface 1010 is provided with a first engaging portion 1020, and the other end surface is provided with a second engaging portion 1030.
- One end surface of the fourth end and the fifth end is formed with a second guide surface 1040, the second guide surface 1040 is provided with a third joining portion 1050, and the other end surface is provided with a fourth joining portion 1060.
- the second engagement portion 1030 is used to slide along the first guide surface 1010 to engage with the first engagement portion 1020, so as to realize the torque transmission between the first transmission disc and the second transmission disc .
- the fourth engagement portion 1060 is used to slide along the second guide surface 1040 to engage with the third engagement portion 1050, so as to realize the torque transmission between the second transmission disc and the third transmission disc.
- the first guide surface 1010 is provided to guide the sliding direction of the second joint 1030, so that it can accurately move to the position corresponding to the first joint 1020 and engage with the first joint 1020 to avoid misalignment.
- the coupling failure of the first transmission disc 1100 and the second transmission disc 1200 is a problem.
- the fourth engaging portion 1060 and the third engaging portion 1050 can be accurately engaged, so as to realize the connection between the second transmission disc 1200 and the third transmission disc 1300. connection.
- the first transmission disc 1100 is a transmission interface located in the driving assembly 100, and the first end is connected with a driving mechanism.
- the second transmission disc 1200 is a transmission interface located on the sterile assembly 200.
- the third transmission disc 1300 is a transmission interface located on the instrument box assembly, and is connected to the instrument end 310 through a transmission structure, so that the first transmission disc 1100, the second transmission disc 1200 and the second transmission disc The three transmission discs 1300 are mutually joined to form the transmission assembly 1000, and transmit the driving force provided by the driving mechanism to the instrument end 310 to control the action of the instrument end 310.
- first engaging portion 1020 may be a groove
- second engaging portion 1030 is a protrusion matching the groove
- third engaging portion 1050 may be a groove
- fourth engaging portion 1060 is a protrusion matching the groove.
- first guide surface has at least one wave crest and at least one wave trough circumferentially distributed along the end surface.
- the second guide surface has at least one wave crest and at least one wave trough circumferentially distributed along the end surface.
- first joint 1020 is located at the trough of the first guide surface 1010, and the third joint 1050 is located at the trough of the second guide surface 1040. In this way, the second joining portion 1030 can slide along the wave crest to the trough direction of the first guide surface 1010 until it engages with the first joining portion 1020.
- the axial size of the transmission assembly 1000 is gradually reduced, that is, through the axis of the crests and troughs on the first guide surface 1010
- the change in the axial position can compensate for the change in the axial dimension of the transmission assembly 1000 caused when the first joint 1020 and the second joint 1300 are joined.
- the fourth joint 1060 can slide along the wave crest to the trough of the second guide surface 1040 until it engages with the third joint 1050, and the axial position of the wave crest and trough on the second guide surface 1040 is changed. Compensation for the change in the axial dimension of the transmission assembly 1000 caused when the third joint 1050 and the fourth joint 1060 are engaged.
- the number of the first engaging portions 1020 provided on the first guide surface 1010 may be one or more.
- at least two of the first joint portions 1020 are arranged symmetrically on the corresponding end surfaces.
- the number of the third joint 1050 provided on the second guide surface 1040 may be one or more.
- at least two of the third joint portions 1050 are arranged symmetrically in the center on the corresponding end surfaces.
- the shape and size of the first guide surface 1010 and the second guide surface 1040 may be completely the same or different.
- the number of wave crests and wave troughs of the first guide surface 1010 and the second guide surface 1040 may be the same or different.
- the number, shape, and size of the first joint 1020 and the third joint 1050 may be the same or different.
- the number of the second engaging portions 1030 is matched with the first engaging portion 1020, that is, the number of the second engaging portions 1030 and the first engaging portion 1020 may be the same or different.
- the number of the first joining portions 1020 is greater than the number of the second joining portions 1030, and the distribution of the second joining portions 1030 is consistent with the distribution of at least part of the first joining portions 1030.
- the number of the fourth joint 1060 matches the third joint 1050. The specific settings can be adjusted according to actual needs.
- the first guide surface 1010 and the second guide surface 1040 are exactly the same. Accordingly, the number of the first engaging portions 1020 is the same as The number of third joints 1050 is also equal, and the plurality of first joints 1020, second joints 1030, third joints 1050, and fourth joints 1060 are symmetrical about the center of the respective end faces.
- these settings should not be taken as a limitation to the present invention.
- a plane perpendicular to the axis of the transmission assembly 1000 is referred to as a "reference plane" hereinafter.
- Figure 5a shows a schematic structural diagram of the transmission assembly 1000 provided by the first embodiment
- Figures 5b and 5c show a structural schematic diagram of the first transmission disc 1100
- Figures 5d and 5e show A schematic diagram of the structure of the second transmission disk 1200 is shown
- the projections of the first transmission disc 1100, the second transmission disc 1200, and the third transmission disc 1300 on the reference surface are all circular. That is, the circumferential surfaces of the first transmission disc 1100, the second transmission disc 1200, and the third transmission disc 1300 are all circumferential surfaces.
- the projections of the first guide surface 1010 and the second guide surface 1040 on the reference surface are both circular.
- the first transmission disc 1100, the second transmission disc 1200, and the third transmission disc 1300 may also have other shapes, such as a quincunx shape.
- the radius of the projection of the first transmission disk 1100, the second transmission disk 1200 and the third transmission disk 1300 on the reference surface is defined as the maximum distance between the center of the transmission disk and the side wall of the transmission disk, and the diameter is Twice the radius.
- the space occupied by the rotation is still a rotating body such as a cylinder, a truncated cone or a cone.
- the first transmission disc 1100 and the second transmission disc The projections of the 1200 and the third transmission disk 1300 on the reference surface can also be respectively regarded as circles formed by taking the center of each transmission disk as the center and the radius of the corresponding transmission disk as the radius.
- the first end of the first transmission disc 1100 in this embodiment can be used to connect with a driving mechanism.
- a first connecting column 1110 is provided on the first end, and a first connecting hole 1120 is opened on the first connecting column 1110 for accommodating the output shaft of the driving mechanism.
- a locking hole 1130 communicating with the first connecting hole 1120 is opened on the side wall of the first connecting column 1110 to enable the output shaft of the driving mechanism to rotate synchronously with the first driving disc 1100.
- the axis of the locking hole 1130 is perpendicular to the axis of the first connecting hole 1120.
- the driving mechanism such as the output shaft of a motor, can be inserted into the first connecting hole 1120, and the output shaft of the motor can be locked from the locking hole 1130 by a locking member.
- the end surface of the second end of the first transmission disc 1100 forms the first guide surface 1010, and the first guide surface 1010 has two wave crests and Two troughs. Further, the two wave crests are arranged symmetrically with respect to the center of the first guide surface 1010, the two wave troughs are also arranged symmetrically with respect to the center of the first guide surface 1010, and each wave trough is provided with a first A joint 1020.
- the center of the second end surface is provided with a first positioning post 1140 extending in the axial direction, and the first positioning post 1140 is used for auxiliary positioning when the first transmission disc 1100 and the second transmission disc 1200 are engaged. .
- the diameter of the projection circle of the first guide surface 1010 on the reference surface is d, that is, the diameter of the projection of the first guide surface 1010 in the axial direction is d, and the peak to the trough of the first guide surface 1010 is The axial distance of is h, and h ⁇ 1/10d.
- the end surface of the third end is formed with a first mating surface 1001, and the second engaging portion 1020 is disposed on the first mating surface 1001.
- the first mating surface 1001 may be in contact with the first guiding surface 1010 or not in contact with the first guiding surface 1010.
- the first guide surface 1010 and the first mating surface 1001 are at least partially attached to each other.
- the third end of the second transmission disc 1200 is provided with two second engaging portions 1030.
- the two second engaging portions 1030 are symmetrical with respect to the center of the end surface of the third end.
- the first mating surface 1001 has two crests and two troughs distributed along the circumferential direction of the third end, and the two crests are respectively provided with a second joint 1030, and at the same time
- a first relief groove 1002 for accommodating the crest of the first guide surface 1010 may be provided at the wave trough, and the first mating surface 1001 and the first guide surface 1010 are substantially attached to each other.
- the first mating surface 1001 when the second engaging portion 1030 and the first engaging portion 1020 are engaged for transmission, the axial cantilever of the second engaging portion 1030 is prevented from being too long, and the force receiving condition of the second engaging portion 1030 is improved , Extend the service life of the second joint 1030. At the same time, the first mating surface 1001 can also enhance the structural strength of the second transmission disc 1200.
- the second engaging portion 1030 may include a first power transmission portion 1031 and a first guide portion 1032 that are connected to each other. An end of the first power transmission portion 1031 away from the first guide portion 1032 is connected to the first mating surface 1001 and is used for transmitting torque when engaged with the first engaging portion 1020.
- the shape of the first power transmission portion 1031 there is no particular limitation on the shape of the first power transmission portion 1031, as long as it can form circumferential contact (such as point contact, line contact or Surface contact).
- the projection shape of the first power transmission portion 1031 on the reference surface matches the projection shape of the first joining portion on the reference surface.
- the projection of the first joining portion 1020 on the reference surface is a waist circle
- the projection of the first power transmission portion 1031 on the reference surface is also a waist circle.
- the first joining portion 1020 is a waist-circular groove.
- the so-called waist-circular groove refers to a groove with an opening at one end composed of two side planes and a transition surface, wherein the two side planes are parallel And the open end of the groove is away from the axis of the second transmission disc 1200.
- the first power transmission portion 1031 is also composed of two side planes and a transition surface.
- the projection shape of the first joining portion 1020 on the reference surface is a fan shape, and the fan-shaped groove also has an open end away from the axis of the second transmission disk 1200.
- the projection shape of the first power transmission portion 1031 on the reference surface is also a fan shape, and the angle of the fan shape is slightly smaller than the fan angle formed by the first joining portion 1020.
- the first guiding portion 1032 is used for contacting the first guiding surface 1010 and slidable along the first guiding surface 1010.
- the first guiding portion 1032 may have a wedge-shaped structure, and the first guiding portion 1032 may include two wedge-shaped surfaces, and the two wedge-shaped surfaces intersect at an end away from the first power transmission portion 1031 to form an intersection. Line, the intersection line is in contact with the first guide surface 1010.
- the two wedge-shaped surfaces are connected by a transition curved surface at the end away from the first power transmission portion 1031.
- the first guide portion 1032 and the first guide surface 1010 can form a line contact or Surface contact; or, the first guide portion 1032 may form a vertex at an end away from the first power transmission portion 1031, and the vertex forms a point contact with the first guide surface 1010. That is, this embodiment does not limit the specific form of the first guide portion 1032, as long as the second transmission disc 1200 receives an axial external force, when the two first guide portions 1032 are in contact with the first guide surface 1010, the two The forces received by the first guide portions 1032 are unbalanced, so that they can move along the first guide surface 1010 to engage with the first engaging portion 1020.
- the so-called “external axial force” here not only includes the case where the external force is parallel to the axial direction and directed to the second drive disc, but also includes the case where the external force has a component force parallel to the axial direction and directed to the second drive disc.
- the surface of the wedge structure may be a continuous curved surface.
- a first positioning hole 1210 is opened in the center of the third end of the second transmission disc 1200, and the first positioning hole 1210 is used to cooperate with the first positioning post 1140 of the first transmission disc 1100 to assist in realization The concentric positioning of the first transmission disc 1100 and the second transmission disc 1200.
- the fourth end of the second transmission disc 1200 and the fifth end of the third transmission disc 1300 can also have similar structures, and will not be repeated here.
- the end surface of the fourth end of the second transmission disc 1200 forms the second guide surface 1040
- the second guide surface 1040 has two crests and two troughs distributed along the circumferential direction of the fourth end.
- the second guide surface 1040 is provided with a third joint 1050, and the two third joints 1050 are respectively disposed at two troughs.
- the projection of the second guide surface 1040 on the reference surface is a circle, and the diameter of the projection circle is d', the axial distance from the peak to the trough of the second guide surface 1040 is h', and h' ⁇ 1/10d'.
- the end surface of the fifth end of the third transmission disc 1300 is provided with two fourth joint portions 1060.
- the end surface of the fifth end is formed with a second mating surface 1003, and the second mating surface 1003 has two crests and two troughs distributed in the circumferential direction of the fifth end, and each crest is provided
- each wave trough can be provided with a second relief groove 1004 for accommodating the wave crest of the second guide surface 1040.
- the fourth engaging portion 1060 is engaged with the third engaging portion 1050, the second guiding surface 1040 and the second mating surface 1003 at least partially overlap.
- the second mating surface 1003 and the fourth engaging portion 1060 are provided at the crest of the second mating surface 1003, it is avoided that the axial cantilever of the fourth engaging portion 1060 is too long.
- the force-receiving condition of the fourth joint 1060 is improved, and the service life of the fourth joint 1060 is prolonged.
- the second mating surface 1003 can also enhance the strength of the third transmission disc 1300.
- the structure of the fourth engaging portion 1060 may be similar to that of the second engaging portion 1030, that is, the fourth engaging portion 1060 includes a second power transmission portion 1061 and a second guide portion 1062 that are connected to each other.
- the end of the second power transmission portion 1061 away from the second guide portion 1062 is connected to the second mating surface and is used to transmit torque when engaged with the third engaging portion 1050.
- there is no particular restriction on the shape of the second power transmission portion 1061 as long as it can form circumferential contact (such as point contact, line contact, etc.) with the third junction portion 1050 when engaged with the third junction portion 1050. Contact or surface contact).
- the projection shape of the second power transmission portion 1061 on the reference surface matches the projection shape of the first joint portion on the reference surface.
- the projection of the first joint 1020 on the reference surface is a waist circle
- the cross section of the second power transmission part 1061 perpendicular to the axis may be a waist circle; or, the projection shape of the first joint 1020 on the reference surface is a waist circle.
- a fan shape, the projection shape of the second power transmission portion 1061 on the reference surface is also a fan shape.
- the second guiding portion 1062 is used for contacting the second guiding surface 1040 and slidable along the second guiding surface 1040 until it engages with the third engaging portion 1050.
- the second guiding portion 1062 may have a wedge-shaped structure, and the second guiding portion 1062 may include two wedge-shaped surfaces, and the two wedge-shaped surfaces intersect at an end away from the second power transmission portion 1061 to form an intersection. Line, the intersection line is in contact with the second guide surface 1040.
- the two wedge-shaped surfaces are connected at an end away from the second power transmission portion 1061 by a transition curved surface, so that the second guide portion 1062 can form a surface contact with the second guide surface 1040;
- the second guide portion 1062 may form a vertex at an end away from the second power transmission portion 1061, and the vertex forms a point contact with the second guide surface 1060.
- this embodiment does not limit the specific form of the second guide portion 1062, as long as the third transmission disc 1300 receives an axial external force, and when the two second guide portions 1062 are in contact with the second guide surface 1040, two The forces received by the second guide portions 1062 are unbalanced, so that they can move along the second guide surface 1040 to engage with the third joining portion 1050.
- the surface of the wedge-shaped structure may also be a continuous curved surface.
- first joint portion 1020 and the third joint portion 1050 are completely the same, and accordingly, the second joint portion 1030 and the fourth joint portion 1060 may be completely the same.
- first joining portion 1020 and the third joining portion 1050 are different, and correspondingly, the second joining portion 1030 may also be different from the fourth joining portion 1060.
- the sixth end of the third transmission plate 1300 can be connected with the transmission module of the instrument box assembly to transmit torque.
- a second connecting column 1310 is provided on the sixth end, and a second connecting hole 1320 is opened on the second connecting column 1310.
- the transmission module includes a rotating part, a flexible structure and a guide wheel set.
- the flexible structure is used to connect the rotating member and the joint of the instrument end 410;
- the guide wheel group is used to change the extension direction of the flexible structure;
- the rotating member is used to drive the joint movement of the instrument end 410 through the flexible structure.
- the second connecting hole 1320 is used for detachable or fixed connection with the rotating member, so as to transmit torque to the transmission module.
- the exemplary use method of the transmission assembly 1000 in this embodiment is as follows: the second end of the first transmission disc 1100 and the third end of the second transmission disc 1200 are arranged face to face, and the fourth end of the second transmission disc 1200 and The fifth end of the third drive disc 1300 is arranged face to face, and then the second engaging portion 1030 slides along the first guide surface 1010 into the first engaging portion 1020 to engage with the first engaging portion 1020, and the fourth engaging portion 1060 is along the second The guide surface 1040 slides into the third engaging portion 1050 and engages with the third engaging portion 1050.
- the second engagement portion 1030 cooperates with the first engagement portion 1020 to transmit torque, Therefore, the second transmission disc 1200 rotates with the first transmission disc 1100; the fourth engagement portion 1060 cooperates with the third engagement portion 1050 to transmit torque, so that the third transmission disc 1300 rotates.
- the first guide surface 1010 includes a first sub-guide surface 1011 and a second sub-guide surface 1011', and the first sub-guide surface 1011 and the second sub-guide surface 1011'
- the wave crests intersect and have two intersection lines, and the projection lines obtained by projecting the intersection lines onto the reference surface are recorded as the first projection line and the third projection line.
- the second engaging portion 1030 includes a first guiding portion 1032, each of the first guiding portion 1032 includes two wedge-shaped surfaces, and when the two wedge-shaped surfaces intersect to form an intersection line, the intersection
- the projection lines obtained by projecting the lines onto the reference surface are denoted as the second projection line and the fourth projection line.
- the first projection line to the fourth projection line may be straight, S-shaped, C-shaped, L-shaped, or other shapes, which are not particularly limited in this embodiment. .
- the first projection line, the second projection line, the third projection line, and the fourth projection line are configured such that when the second joint 1030 is in contact with the first guide surface 1010, the first projection line and the second projection line
- the third projection line and the fourth projection line may be partially or completely coincident; or, the first projection line and the third projection line are collinear, and the second projection line and the fourth projection line are collinear.
- the lines are collinear.
- the first projection line and the third projection line are collinear and intersect the axis of the transmission assembly 1000.
- the first projection line By arranging the first projection line to the fourth projection line, it is possible to realize that each of the above-mentioned first guide portions 1032 and the first guide surface 1010 receive an unbalanced force when they are in contact with the first guide surface 1010, thereby enabling the second joint portion 1030 to be unbalanced. It moves along the first guide surface and is combined with the first joint to realize the torque transmission between the first transmission disc and the second transmission disc.
- the second guide surface 1040 has a fifth projection and a seventh projection
- the second guide portion 1062 has a sixth projection and an eighth projection.
- the fifth projection to the eighth projection have a configuration similar to that described above, so as to realize that the force received by the second guide portion 1062 when contacting the second guide surface 1040 is unbalanced.
- intersection line or intersection line is as follows, the transition surface is cut by a set of cutting planes or cutting surfaces, and a set of cutting intersection lines are formed between the transition surface and the cutting plane or cutting surface.
- the line formed by the characteristic points of each cutting intersection line is taken as the intersection line.
- the characteristic point is the highest point of the cutting intersection line in the axis direction of the drive disc.
- the second transmission disc 1200 is taken as an example for illustration), where the number of a set of cutting planes or cutting surfaces is at least two, and Fig. 6a shows three cutting surfaces (ie, cutting curved surfaces). P1, cutting curved surface P2, and cutting curved surface P3), and the “highest point” refers to the distance between the cutting intersection line and the center of the second transmission disk 1200 in the axial direction of the second transmission disk 1200 The biggest point.
- the cutting plane is set parallel to the axis of the drive disc, and a set of cutting curved surfaces are coaxial cylindrical surfaces.
- the first guide portion 1032 of the second joint portion 1030 includes two wedge-shaped surfaces. When the two wedge-shaped surfaces are connected by a transition surface, in order to obtain the second projection line and the fourth projection line, parallel Cut the first guide portion 1032 on the cutting plane of the axis of the transmission assembly 1000. As shown in FIG. 6b, the cutting plane and the first guide portion 1032 form a cutting intersection line, and the highest is taken on the cutting intersection line.
- Point when the number of cutting surfaces is at least two, at least two of the highest points can be obtained, and all the highest points are projected onto the reference surface to obtain the projection point, and then The second projection line and the fourth projection line can be obtained by connecting all the projection points.
- the more the number of cut surfaces the more accurate the second and fourth projection lines obtained.
- the setting of the second guiding surface 1040 may be the same as that of the first guiding surface 1010, and the setting of the fourth engaging portion 100 may be the same as that of the second engaging portion 1030.
- first guide surface 1010 in this embodiment may be formed by splicing several curved surfaces, may also be formed by splicing several flat surfaces, or may be formed by a continuous curved surface.
- the second guide surface 1040 can be composed of a number of curved surfaces, or a number of planes, or a continuous curved surface;
- the first mating surface 1001 can be composed of a number of curved surfaces, or a number of planes, or It is composed of a continuous curved surface; the same is true for the second mating surface 1003.
- FIG. 7a and FIG. 7b show a schematic diagram of a modified structure of the first embodiment.
- the first guide surface 1010 is formed on the second end of the first transmission disc 1100, and the first guide surface 1010 has one guide surface 1010 distributed along the circumference of the second end. A crest and a trough.
- the number of the first joint 1020 and the second joint 1030 is also one.
- the second guide surface 1040 is formed on the fourth end of the second transmission disc 1200, and the second guide surface 1040 has a wave crest and a wave trough distributed along the circumferential direction of the fourth end.
- a first positioning column 1140 is preferably provided at the center of the second end surface of the first transmission disk 1010, and the center of the third end of the second transmission disk 1200 is provided with a first positioning post.
- the first positioning hole 1210 is matched with the post 1140.
- the center of the fourth end of the second transmission disk 1200 is provided with a second positioning column 1220, and the center of the fifth end of the third transmission disk 1300 is provided with a second positioning hole 1330 that matches with the second positioning column 1220.
- first positioning post 1140 and the first positioning hole 1210, and the second positioning post 1220 and the second positioning hole 1330 there is only one first joint 1020, one second joint 1030, and one third joint.
- the joint 1050 and the fourth joint 1060 ensure the safety of the transmission process.
- the number of wave crests and wave troughs on the first guide surface 1010 is determined according to the number of the first joining parts 1020, and the number of the first joining parts 1020 can be set according to the required tolerance angle.
- the fault-tolerant angle is larger, the number of the first joints 1020 is small.
- the fault-tolerant angle is set to 180°, at least two first joints 1020 are provided.
- the "fault tolerance angle" here will be described in detail below.
- the thickness (dimension in the torque transmission direction) of the first joint portion 1020 is related to the magnitude of the torque. When the torque is large, the thickness of the first joint 1020 is correspondingly large. The same is true for the setting principle of the second guide surface 1040.
- the first A positioning column 1140 and a second positioning column 1220 can be set according to the situation.
- FIG. 7c and FIG. 7d show a schematic diagram of another modified structure of the first embodiment.
- the first guide surface 1010 is formed on the second end of the first transmission disc 1100, and the first guide surface 1010 is provided with three wave crests and three wave valleys, and the The first guide surface 1010 has an annular structure and partially covers the second end of the first transmission disc 1100.
- the number of the first joint 1020 and the second joint 1030 is also three.
- FIG. 7e and FIG. 7f show a schematic diagram of another modified structure of the first embodiment.
- the second end of the first transmission disc 1100 is provided with a first mating surface 1001
- the third end of the second transmission disc 1200 forms a first guide surface 1010
- the fourth end forms a second
- the guide surface 1040 and the fifth end of the third transmission disc 1300 are provided with a second mating surface 1003
- the second mating surface 1003 has an annular structure and partially covers the fifth end of the third transmission disc 1300.
- the second mating surface 1003 has three wave crests and three wave valleys, the number of the fourth joint 1060 is three, and correspondingly, the number of the third joint 1050 is also three.
- the first mating surface 1001 is not provided with a first relief groove.
- the shape of the wave trough of the first mating surface 1001 needs to be configured such that when the first transmission disc 1100 is engaged with the second transmission disc 1200, the wave trough of the first mating surface 1001 and the corresponding first guide surface 1010 have no wave crest.
- Contact for example, the first mating surface 1001 does not contact the first guide surface 1010 at all, or only the wave trough of the first mating surface 1001 does not contact the corresponding wave crest of the first guide surface 1010, but the first mating surface 1001
- the two sides of the wave trough and the two sides of the wave crest of the first guide surface 1010 form line contact or surface contact).
- the shape of the wave trough of the first mating surface 1001 needs to be configured such that when the wave trough of the first mating surface 1001 and the wave crest of the first guide surface 1010 are in contact, the first transmission disc 1100 and the second transmission disc 1200 are also in contact with each other. In a state of engagement.
- the shape of the wave trough of the first mating surface 1001 is complementary to the shape of the wave crest of the first guiding surface 1010.
- the wave crest of the first guide surface 1010 is in contact with the wave trough of the first mating surface 1001.
- the first engagement portions 1020 and the third engagement portions 1050 are arranged in a staggered manner. In this way, the utilization of the axial size of the second transmission disk 1200 can be improved.
- FIG. 7g and FIG. 7h show a schematic diagram of another modified structure of the first embodiment.
- the second end of the first transmission disc 1100 is formed with a first guide surface 1010;
- the third end of the second transmission disc 1200 is formed with a first mating surface 1001 and a fourth end surface.
- a second mating surface 1003 is formed on the upper side;
- a second guide surface 1040 is formed on the fifth end of the third transmission disc 1300.
- the first mating surface 1001 and the second mating surface 1003 are both provided with two wave crests and two wave troughs, and the positions of the wave crests of the first mating surface 1001 and the wave crests of the second mating surface 1003 in the circumferential direction the same.
- the configuration of the wave crests of the first mating surface 1001 and the wave crests of the second mating surface 1003 in the circumferential direction may also be different, for example, the two are arranged in a staggered manner.
- the second end of the first transmission disc may further form a first mating surface
- the third end of the second transmission disc may form a first guide surface
- the fourth end of the second transmission disc may form a second guide surface.
- the fifth end of the third transmission disc forms a second mating surface (not shown in the figure).
- Figure 8a shows a schematic structural diagram of a second embodiment of the transmission assembly 1000
- Figures 8b and 8c show a structural schematic diagram of the first transmission plate 1100
- Figure 8d and Figure 8e show A schematic view of the structure of the second transmission disk 1200
- FIG. 8f and FIG. 8g show a schematic view of the structure of the third transmission disk 1300.
- the first end of the first transmission disc 1100 can be used to connect with a driving mechanism, so its structure can be the same as that in the first embodiment, and will not be repeated here.
- Fig. 8c shows a schematic structural view of the second end of the first transmission disc 1100.
- a first guide surface 1010 is formed on the second end, and the first guide surface 1010 is projected to the reference Surface to obtain a projection circle, and the diameter of the projection circle is smaller than the diameter of the projection circle of the first transmission disk 1100 on the reference surface.
- the second guide surface 1040 is provided with a first joining portion 1020.
- the third end of the second drive disc 1200 is provided with a second joint 1030, and on the end surface of the third end is provided with a first shielding wall 1005 surrounding the second joint 1030, so
- the first shielding wall 1005 has a ring shape and can be sleeved on the first guide surface 1010.
- the second joint 1030 is located inside the first shielding wall 1005 and is fixedly connected to the first shielding wall 1005.
- the inner diameter of the first shielding wall 1005 may be greater than or equal to the diameter of the projection circle of the first guide surface 1010 on the reference surface, and smaller than the diameter of the projection circle of the first transmission disk 1100 on the reference surface.
- the wall thickness of the first shielding wall 1005 may be equal to the difference between the diameter of the projection circle of the first guide surface 1010 and the first transmission disk 1100.
- the wall thickness of the first shielding wall 1005 may be equal to the difference between the diameter of the projection circle of the first guide surface 1010 and the first transmission disk 1100.
- a second guide surface 1040 is formed on the fourth end of the second transmission disc 1200, and the second guide surface 1040 is projected onto the reference surface to obtain a projection circle.
- the diameter of the projection circle It is smaller than the diameter of the projection circle of the second transmission disc 1200 on the reference surface.
- a third joint 1050 is provided on the second guide surface 1040.
- the fifth end of the third transmission disc 1300 is provided with a fourth joint 1060, and the fifth end is also provided with a second shielding wall 1006 surrounding the fourth joint 1060.
- the second shielding wall 1006 has an annular shape and can be sleeved on the second guide surface 1040.
- the fourth joint 1060 is located inside the second shielding wall 1006 and is fixedly connected to the second shielding wall 1006.
- the inner diameter of the second shielding wall 1006 is greater than or equal to the diameter of the projected circle with the second guide surface 1040, and smaller than the diameter of the projected circle of the second transmission disc 1200 on the reference surface.
- the wall thickness of the second shielding wall 1006 may be equal to the difference between the diameter of the projection circle of the second guide surface 1040 and the projection circle of the second transmission disc 1200. In this way, when the third engaging portion 1050 is engaged with the fourth engaging portion 1060, the end of the second guide surface 1040 is inserted into the second shielding wall 1006, and the second shielding wall 1006 is far away from the The end of the third transmission disk 1300 abuts on the first transmission disk 1200.
- the second engaging portion 1030 and the first shielding wall 1005 cooperate with each other.
- the first shielding wall 1005 can be used to improve the stress condition of the second engaging portion 1030.
- the intrusion of impurities such as dust is reduced, and the service life of the second joint 1030 is prolonged.
- this arrangement can also reduce the quality of the second transmission disc 1200 and simplify the structure of the second transmission disc 1200.
- the second shielding wall 1006 can increase the service life of the fourth joint 1060 and reduce the mass of the third transmission disc 1300.
- Figures 9a and 9b show schematic structural diagrams of a third embodiment of the transmission assembly 1000.
- multiple sterile components 200 may be required.
- the transmission component 1000 has a plurality of second transmission discs 1200 correspondingly.
- the number of the second transmission disk 1200 is two.
- the second transmission discs 1200 are the same, and the structures on the third end and the fourth end of each second transmission disc 1200 are different.
- a first mating surface 1001 is formed on the third end of each second transmission disc 1200, and a second engaging portion 1030 is provided on the first mating surface 1001; each second transmission disc 1200
- a second guide surface 1040 is formed on the fourth end of the second guide surface 1040, and a third joint 1050 is provided on the second guide surface 1040.
- a first guide surface 1010 is formed on the second end of the first transmission disc 1100, a second mating surface 1003 is provided on the fifth end of the third transmission disc 1300, and the third mating surface 1003
- a fourth joint 1060 is provided on the upper part, and then the transmission assembly 1000 is assembled according to the same method as the previous embodiment.
- the first guide surface 1001 is formed on the end surface of the third end of the second transmission disc 1200, and the fourth joint 1060 is also feasible on the end surface of the fourth end.
- the two second transmission discs are not the same, but the structures on the third and fourth ends of the second transmission disc are the same.
- the third end and the fourth end of the second transmission disk close to the first transmission disk 1100 are both provided with mating surfaces
- the third end and the fourth end of the second transmission disk far away from the first transmission disk 1100 are both provided with guiding surfaces.
- FIG. 10 shows a schematic structural diagram of a fourth embodiment of the transmission assembly 1000.
- the second engaging portion includes a first guide portion 1032, but there is no first power transmission portion.
- the structure of the fourth joint part is similar to the second joint part 1030 and does not include the second power transmission part.
- the second end surface of the first transmission disc 1100 is provided with two first engagement portions 1020
- the third end surface of the second transmission disc 1200 is provided with two second engagement portions 1030.
- the second joint portion includes a first guide portion 1032, and the first guide portion 1032 is directly disposed on the second end surface.
- two third joint portions 1050 are provided on the fourth end surface of the second transmission disc 1200.
- the fifth end surface of the third transmission disc 1300 is provided with two fourth joints.
- the fourth joint portion includes a second guide portion 1062, and the second guide portion 1062 is directly connected to the fifth end surface.
- the shape and size of the first joining portion 1020 and the third joining portion 1050 are matched with the shape and size of the first guiding portion 1032 and the second guiding portion 1062, respectively, so as to achieve sufficient surface contact between the two , In order to increase the mutual friction, so that the guiding part has the function of transmitting torque and guiding at the same time.
- the transmission component includes a first transmission disc and a second transmission disc arranged in sequence.
- the first transmission disc is similar to the first transmission disc 1100 in the above-mentioned embodiment.
- the third end surface of the second transmission disk is similar to the third end surface of the second transmission disk 1200 in the above embodiment, and the fourth end surface is similar to the sixth end surface of the third transmission disk. I won't repeat it here.
- the second object of the present invention is to provide a surgical instrument system for a surgical robot.
- the surgical instrument system includes a power box, a sterile plate 4000, a surgical instrument 300, and the aforementioned transmission assembly 1000, wherein the power box includes a drive mechanism 2000 and a second A box body 3000, the driving mechanism 2000 is arranged in the first box body 3000, and the first box body 3000 is provided with at least one output hole (not marked in the figure).
- the number of the sterile plate 4000 is at least one, and each of the sterile plates 4000 is provided with at least one transmission hole (not marked in the figure).
- the surgical instrument 300 includes an instrument box, an instrument rod 320 and an instrument end 310. Further, the instrument box includes a second box body 5000 and a transmission module (not marked in the figure). The transmission module is arranged in the second box body 5000 and is connected to the instrument rod 320 and/or The instrument end 310 is connected to drive the instrument rod 320 and/or the instrument end 310 to move, and the second box 5000 is provided with at least one input hole.
- the first box body 3000, the sterile plate 4000 and the second box body 5000 are arranged in sequence and the corresponding output holes, transmission holes and input holes are arranged coaxially, and the first transmission disc 1100 is arranged in the output hole And its first end is connected to the driving mechanism 2000, the second transmission disc 1200 is arranged in the transmission hole, the third transmission disc 1300 is arranged in the input hole and its sixth end is connected to the transmission hole.
- the transmission module connection Generally speaking, the number of the driving mechanism 2000 and the transmission assembly 1000 is determined according to the degree of freedom of movement of the surgical instrument 300.
- the power box and the first transmission disk 1100 constitute the drive assembly 100
- the sterile plate 4000 and the second transmission disk 1200 constitute the sterile assembly 200
- the instrument box and the The third transmission disc 1300 constitutes the instrument box assembly.
- the power provided by the driving mechanism 2000 can be transmitted by the transmission module to drive each joint movement of the instrument end 310.
- the instrument tip 310 includes an end effector, and joints that control the left and right and/or pitch movements of the end effector.
- the end effector may include an opening and closing joint or the like.
- end effectors include, but are not limited to, clamps, scissors, graspers, stylus holders, cutting blades, staplers, and the like.
- the instrument tip 310 may also include a serpentine joint located at the proximal end of the end effector, so that the end effector can be adjusted in a larger range and in a more flexible manner.
- the first transmission disc 1100, the second transmission disc 1200, and the third transmission disc 1300 may be in any orientation. However, after the surgical instrument system is assembled, the first transmission disc 1100, the second transmission disc 1200, and the third transmission disc 1300 should be in a predetermined orientation.
- the predetermined orientation is referred to as a zero position, and other orientations are referred to as non-zero positions. In practice, the zero position can be artificially set according to actual conditions.
- the surgical instrument system is assembled, and the transmission module is connected to the instrument end 310 through the instrument rod 320.
- the orientation of the first transmission disc 1100, the second transmission disc 1200 and the third transmission disc 1300 is defined as the zero position.
- some positions are not conducive to assembly or rotation of the drive disc.
- the second joint 1030 can contact the wave crest of the first guide surface 1010, and the fourth joint 1060 can contact the These positions of the wave crest contact of the second guide surface 1040 are all referred to as the worst positions of the transmission assembly 1000.
- the surgical instrument system may further include at least one set of upright magnet sets 6000 (specifically, the instrument box assembly includes the upright magnet set 6000), and the upright magnet set 6000 It is used to assist the third transmission plate 1300 to reach the zero position.
- the positive magnet group 6000 includes a first magnet 6100 and a second magnet 6200. The first magnet 6100 is disposed on the second box 5000, and the second magnet 6200 is disposed on the first magnet 6200. On the three-drive plate 1300.
- the specific positions of the first magnet 6100 and the second magnet 6200 are not specifically limited, as long as the third drive plate 1300 reaches the zero position, the first magnet 6100 and the The second magnet 6200 is arranged to attract each other, and at this time, the attractive force between the first magnet 6100 and the second magnet 6200 reaches the maximum value in the entire circumferential direction.
- the second magnet 6200 can be arranged on the sixth end. As shown in FIG. 5g, the sixth end of the third transmission disc 1300 is provided with a second magnet 6200. The receiving hole 1340.
- the surgical instrument system may also be provided with at least one set of anti-dislocation magnets 7000 (specifically, the sterile assembly 200 includes the anti-dislocation magnet set 7000), and the anti-dislocation magnet set 7000 It is used to prevent the transmission assembly 1000 from reaching the worst position.
- the anti-dislocation magnet group 7000 includes a third magnet 7100 and a fourth magnet 7200.
- the third magnet 7100 can be arranged on the circumferential side wall of the second transmission disc 1200.
- the four magnets 7200 can be arranged on the wall of the transmission hole.
- the third magnet 7100 and the fourth magnet 7200 are arranged to repel each other, and then the repulsive force Under the action, the second transmission disc 1200 rotates and staggers the worst position.
- the surgical instrument system further includes a circumferential limiter (specifically, the instrument box assembly includes the circumferential limiter) for limiting the rotation range of the third transmission disc 1300
- the The circumferential limiting member may include a limiting protrusion 1350 arranged on the circumferential side wall of the third transmission disk 1300
- the second box body 5000 may be provided with a sliding groove that cooperates with the limiting protrusion 1350 ( (Not shown in the figure), the limiting protrusion 1350 is disposed in the sliding groove and sliding along the sliding groove.
- the surgical instrument system further includes an axial limiter for preventing the second transmission disc 1200 from falling out of the sterile plate 4000.
- the sterile plate 4000 includes a sterile base plate 4100 and a sterile cover plate 4200.
- the aseptic substrate 4100 is provided with a first through hole 4110
- the aseptic cover plate 4200 is provided with a second through hole 4210.
- the second through hole 4210 and the first through hole 4110 jointly form the transmission hole.
- the aseptic cover plate 4200 and the aseptic base plate 4100 are detachably connected.
- the sterile substrate 4100 is detachably connected to the power box (for example, a snap connection).
- a limit stop ring 1230 is provided on the circumferential side wall of the second transmission disc 1200.
- the second through hole 4210 of the aseptic cover plate 4200 is a variable diameter hole.
- the inner diameter of the portion of the second through hole 4210 close to the first through hole 4110 is larger than the inner diameter of the portion of the second through hole 4210 far away from the first through hole 4110, and also larger than the inner diameter of the first through hole 4110.
- the inner diameter of the portion of the second through hole 4210 close to the first through hole 4110 matches the outer diameter of the stop ring 1230, and the inner diameter of the portion of the second through hole 4210 away from the first through hole 4110 matches the first through hole 4110.
- the outer diameters of the two drive discs 1200 match.
- the first through hole 4110 and the second through hole 4210 jointly form a limiting groove, and the limiting retaining ring 1230 is located in the limiting groove, so that the second transmission disc 1200 cannot be separated from the transmission
- the hole, that is, the limiting groove and the limiting retaining ring 1230 together constitute the axial limiting member.
- the stop ring 1230 may be a flange continuously arranged along the circumferential direction of the second transmission disc 1200, or may be a plurality of flanges arranged at intervals along the circumferential direction of the second transmission disc 1200.
- the driving mechanism 2000, the first transmission disc 1100, the second transmission disc 1200, the third transmission disc 1300, and the surgical instrument 300 are all in the non-zero position.
- the driving mechanism 2000, the first transmission disc 1100, the second transmission disc 1200, the third transmission disc 1300, and the surgical instrument 300 should all be located at the zero position.
- the "zero position" is the benchmark for measuring the amount of movement (such as direction, displacement, angle, etc.) of the drive plate, surgical instrument, etc. during the operation.
- the surgical instrument 300 is in the zero position, the instrument end 310 is set to be collinear or parallel to the axis of the instrument shaft 320.
- the assembly process of the surgical instrument system is introduced.
- an encoder (not shown in the figure) is provided on the driving mechanism 2000, so that the position information of the first drive disc 1100 can be obtained through the encoder when the power is turned on, and then the driving mechanism 2000 can drive the The rotation of the first transmission disc 1100 is returned to zero.
- This process can be controlled by a preset program.
- the first transmission disc 1100 reaches the zero position, it remains stationary, and then the second transmission disc 1200 can be docked with the first transmission disc 1100 from any orientation and directly Reach the zero position.
- the second transmission disc 1200 is connected to the first transmission disc 1100.
- the second transmission disc 1200 in the non-zero position is in contact with the first transmission disc 1100 under the action of external force, and the second engagement portion 1030 is accurately slid into the first engagement portion 1020 along the first guide surface. It is internally engaged with the first engaging portion 1020. At this time, the second driving disc is accurately rotated to the zero position.
- the surgical instrument includes an instrument rod 320 and an instrument end 310 that are connected to each other, and the instrument end 310 is, for example, a clamp.
- the instrument end 310 is, for example, a clamp.
- the inner diameter of the poking card 400 is equivalent to the outer diameter of the instrument end 310, in order to insert the clamp smoothly into the poking card 400, it is necessary to straighten the clamp so that the symmetry axis of the clamp is aligned with the instrument rod.
- the axis of 320 is collinear.
- the third transmission disc 1300 will be rotated by force.
- the symmetry axis of the clamp is collinear with the axis of the instrument rod 320, the third transmission disc 1300 is located at the zero position.
- manual adjustment can only make the third drive plate 1300 roughly located near the zero position.
- the third transmission disc 1300 is in contact with the second transmission disc 1200, and the fourth engagement portion 1060 accurately slides into the third engagement portion 1050 along the second guide surface. It is joined to the third joining portion 1050 inside. At this time, the third transmission disc 1300 rotates accurately to reach the zero position.
- the position information of the first transmission plate 1100 can be measured before the surgical instrument system is assembled, the position information of the third transmission plate 1300 cannot be obtained.
- the third transmission disc 1300 can be positioned near the zero position through manual adjustment, but there will be a certain angular deviation. When the angle deviation is less than the tolerance angle, the third transmission disc 1300 can accurately realize the zero return of the instrument.
- the tolerance angle is related to the number of joints provided on the third transmission disc 1300.
- the allowable positive and negative deviation angles of the third transmission disk 1300 relative to the zero position are not Is greater than 90°.
- the fourth joint 1060 can slide into the third joint 1500 to complete the joint.
- the angle between two adjacent crests is called This is the fault-tolerant angle, and the fault-tolerant angle in this embodiment is 180°.
- the fault tolerance angle in this embodiment is 360°/N, where N is the number of fourth joints 1060.
- the posture of the instrument end 310 is unique during multiple assembly processes. This feature is helpful for judging the absolute position information of each drive plate of the surgical instrument system after the assembly is completed. In this way, the safety of the surgical operation can be guaranteed.
- the third object of the present invention is to provide a surgical robot, which includes the surgical instrument system as described above. Further, the surgical robot also includes a mechanical arm for clamping the surgical instrument system.
- the driving assembly 100 is fixed to the end of the mechanical arm. For example, if the end of the robot arm includes a moving joint, the driving assembly 100 is arranged at the moving joint and moves with the movement of the moving joint.
- the sterile assembly 200 is located on the sterile bag and is detachably connected to the driving assembly 100; the surgical instrument is detachably connected to the sterile assembly 200 through the instrument box assembly.
- the surgical robot is sterilized by a special sterilization method (for example, ozone sterilization, hydrogen peroxide sterilization, etc.).
- the surgical instrument system may include a driving assembly 100 and a surgical instrument 300.
- the drive assembly 100 and the transmission interface provided in the instrument box assembly are connected to each other to form a drive assembly to directly transmit the power provided by the drive assembly 100 to the instrument box assembly.
- the fourth object of the present invention is to provide a driving assembly 100.
- the driving assembly 100 includes: a driving mechanism 2000 and a first box body 3000.
- the first box body 3000 is used for accommodating the driving mechanism 2000 and the first box body 3000 is provided with at least one output hole (in the figure) (Not labeled); and, at least one transmission disk that cooperates with another transmission disk including another engagement portion, the transmission disk is rotatably disposed at the output hole and has two opposite ends, one of which is The part is used to connect with the driving mechanism 2000, the end surface of the other end is formed with a guide surface, and the guide surface is provided with at least one joint part, and the guide surface is used to move the other joint part along the guide surface Until combined with the joint.
- the drive assembly 100 includes a drive plate that cooperates with another drive plate that includes another engagement portion and a guide surface, and the drive plate is disposed at the output hole and has two opposite sides. One end is used to connect with the drive mechanism 2000, and the end surface of the other end is provided with at least one joint, and the joint is used to move along the guide surface of the other drive plate until it is connected to the other The other joint of the drive disc is combined.
- the transmission disk may be a first transmission disk 1100, and the other transmission disk may be a second transmission disk 1200 or a third transmission disk 1300.
- the first end of the first transmission disk 1100 is used to connect with the driving mechanism 2000.
- a first connecting post 1110 is provided on the first end, and a first connecting hole 1120 is opened on the first connecting post 1110 for accommodating the output shaft of the driving mechanism.
- a locking hole 1130 communicating with the first connecting hole 1120 is opened on the side wall of the first connecting column 1110 for synchronously rotating the output shaft of the driving mechanism and the first driving disc 1100.
- the second end of the first transmission disc 1100 forms the first guide surface 1010, and the first guide surface 1010 has two wave crests and two wave troughs circumferentially distributed along the end surface of the end.
- Two first joint portions 1020 are provided on the first guide surface 1010, and the first joint portions 1020 are grooves and are arranged at the wave valleys.
- the first guide surface 1010 is used to move the second engaging portion of the second driving disc 1200 or the third driving disc 1300 along the first guide surface until it is combined with the first engaging portion 1020, so as to realize torque transmission.
- the fifth object of the present invention is to provide a sterile assembly 200.
- the aseptic assembly 200 includes: at least one aseptic plate 4000, the aseptic plate 4000 is provided with at least one transmission hole; at least one transmission that cooperates with another transmission plate including another joint part
- the drive plate is rotatably arranged at the drive hole and has two opposite ends, the end surface of at least one of the two ends is formed with a guide surface, and the guide surface At least one engagement portion is provided, and the guide surface is used to move the other engagement portion along the guide surface until it engages with the engagement portion.
- the aseptic assembly 200 not only includes a sterile plate 4000 provided with at least one transmission hole, but also includes at least one interface with a guide surface and another joint provided on the guide surface.
- Another transmission disk is matched with a transmission disk, the transmission disk is rotatably disposed at the transmission hole and has two opposite ends, at least one of the two ends is formed with a joint, and the The engaging portion is used to move along the guide surface until it engages with another engaging portion.
- the transmission disk may be the second transmission disk 1200.
- the second transmission disc 1200 is used to cooperate with the first transmission disc 1100 and the third transmission disc 1300 respectively.
- the end surfaces at both ends of the second transmission disc 1200 are formed with guide surfaces, and the guide surfaces are provided with joints. Accordingly, the first transmission disc 1200 1100. Another joint is provided on the end surface of the third transmission disc 1300.
- the end surface of the second end of the first transmission disk 1100 is provided with a second joint 1030
- the end surface of the fifth end of the third transmission disk 1300 is provided with a fourth joint 1060
- the end surface of the third end of the second transmission disk 1200 can be
- the first guide surface 1010 is formed, and at least one first engaging portion 1020 for engaging with the second engaging portion 1030 can be provided on the first guide surface 1010.
- the first engaging portion 1020 is preferably a groove;
- the end surface of the fourth end of the disk 1200 forms the second guide surface 1040, and at least one third engaging portion 1050 for combining with the fourth engaging portion is provided on the second guide surface 1040.
- the third engaging portion 1050 is preferably concave. groove.
- first guide surface 1010 is used to move the second engaging portion 1030 along the first guide surface 1010 until it engages with the first engaging portion 1020, so as to realize the gap between the first transmission disc 1100 and the second transmission disc 1200.
- the second guide surface 1040 is used to make the fourth joint 1060 move along the second guide surface 1040 until it engages with the third joint 1050, so as to realize the second transmission disc 1200 and the third transmission disc 1300 Torque transmission between.
- the sterile plate 4000 includes a sterile base plate 4100 and a sterile cover plate 4200.
- the aseptic substrate 4100 is provided with a first through hole 4110
- the aseptic cover plate 4200 is provided with a second through hole 4210.
- the first through hole 4110 and the second through hole 4210 jointly form the transmission hole.
- the aseptic cover plate 4200 and the aseptic base plate 4100 are detachably connected.
- the aseptic cover plate 4200 can prevent the drive disc from falling out of the aseptic base plate 4100.
- the stop ring 1230 on the circumferential side wall of the second transmission disc 1200, and the second through hole 4210 of the aseptic cover plate 4200 is a diameter reducing hole.
- the inner diameter of the portion of the second through hole 4210 close to the first through hole 4110 is larger than the inner diameter of the portion of the second through hole 4210 far away from the first through hole 4110, and also larger than the inner diameter of the first through hole 4110. Further, the inner diameter of the portion of the second through hole 4210 close to the first through hole 4110 matches the outer diameter of the stop ring 1230, and the inner diameter of the portion of the second through hole 4210 away from the first through hole 4110 matches the first through hole 4110.
- the outer diameters of the two drive discs 1200 match. In addition, the inner diameter of the first through hole 4110 is also matched with the outer diameter of the second transmission disc 1200.
- the end surface of one end of the second transmission disc 1200 forms the guide surface, and at least one first engaging portion 1020 in the form of a groove is provided on the guide surface.
- the end surface of the third end of the second transmission disc 1200 forms the first guide surface 1010
- the first guide surface 1010 is provided with at least one first engaging portion 1020
- the first engaging portion 1020 is a groove
- the end surface of the fourth end of the second transmission disc 1200 is provided with at least one raised fourth engaging portion 1060
- the fourth engaging portion 1060 is a protrusion.
- the second mating surface 1003 may be formed on the end surface of the fourth end, and the fourth engaging portion 1060 is disposed on the second mating surface 1003.
- the end surface of the fourth end may also be provided with an annular second shielding wall 1006 surrounding the fourth joint 1060, and the second shielding wall 1006 and the first shielding wall 1006 The four joints 1060 are connected.
- the end surface of the fourth end of the second transmission disc can form a second guide surface, and the end surface of the third end is provided with a second joint portion, so that the end surface of the third end The first mating surface can be formed.
- the end surface of the third end of the second transmission disc is provided with an annular first shielding wall surrounding the second joint portion, and the first shielding wall is connected to the second joint portion (not shown).
- the end surfaces at both ends of the second transmission disc 1200 respectively form a second joint portion and a fourth joint portion, and the second joint portion is used to move along the first guide surface until it engages with the first joint on the first guide surface.
- the fourth joint is used to move along the second guide surface until it is combined with the third joint on the second guide surface to realize the torque transmission between the first transmission disc and the second transmission disc. Torque transmission between the second drive disc and the third drive disc.
- the aseptic assembly 200 may include two detachably connected aseptic plates 4000.
- the two sterile plates 4000 are the first sterile plate 4000a and the second sterile plate 4000b, respectively.
- the structure of the first sterile plate 4000a and the second sterile plate 4200 may be completely the same, and both include a sterile base plate 4100 and a sterile cover plate 4200 detachably connected to the sterile base plate 4100.
- This aseptic component is suitable for occasions that require multiple layers of aseptic protection. It should be understood that only two sterile plates 4000 are used as an example for description here, and in practice, the number of sterile plates 4000 may also be three or more.
- the sixth object of the present invention is to provide an instrument box assembly for a surgical instrument 300 including an instrument shaft 320 and an instrument tip 310.
- the instrument box assembly includes: an instrument box and a drive plate for cooperating with another drive plate including another joint.
- the instrument box includes a second box body 5000 and a transmission module (not shown in the figure). Further, the second box 5000 may include a base, and at least one input hole is opened on the base, and the transmission module is used to connect with the instrument rod 320 and/or the instrument end 310 for driving The instrument shaft 320 and/or the instrument end 310 move.
- the transmission disc is rotatably arranged at the input hole and has two opposite ends, one of which is connected to the transmission module, and the end surface of the other end is formed with a guide surface, the guide surface There is at least one joint part on the upper part, and the guide surface is used to move the other joint part on the other driving disc along the guide surface until the other joint part is combined with the joint part.
- a transmission disk for cooperating with another transmission disk including a guide surface and another engagement portion includes two opposite ends disposed at the input hole, one of which is It is connected with the transmission module, and the end surface of the other end is provided with a joint part, and the joint part is used to move along the guide surface until the joint part is combined with the other joint part.
- the transmission disk may be a third transmission disk 1300, and the other transmission disk may be a second transmission disk 1200 or a first transmission disk 1100.
- the second guide surface 1040 is formed on the fifth end of the third transmission disc 1300, and the second guide surface 1040 has at least one wave crest and at least one wave trough distributed along the circumferential direction of the corresponding end.
- the second guiding surface 1040 is provided with the third joining portion 1050, and the third joining portion 1050 may specifically be a groove and arranged at the wave valley.
- the instrument tip 310 includes multiple joints.
- the transmission module includes a rotating part, a flexible structure and a guide wheel set.
- the flexible structure is used to connect the rotating part and the joint of the instrument end 310;
- the guide wheel set is used to change the extension direction of the flexible structure;
- the rotating part is used to drive the joint movement of the instrument end 310 through the flexible structure.
- one end of the instrument rod 320 is connected with the instrument end 310, and the other end of the instrument rod 320 is rotatably connected with the second box body 5000.
- the transmission module is also used to drive the instrument rod 320 to rotate. In this embodiment, there is no particular limitation on the specific manner of driving the instrument rod 320 to rotate.
- the rotating member and the instrument rod 320 are connected by gears.
- the sixth end of the third transmission disk 1300 is used to pass through the input hole to connect with the rotating member.
- the third transmission disk 1300 and the rotating member can be connected in a detachable manner or integrated Molding process manufacturing.
- the instrument box assembly further includes a circumferential limiter for constraining the rotation angle of the third transmission disc 1300.
- the circumferential limiting member includes a limiting protrusion 1350 provided on the circumferential side wall of the third transmission disc 1300, and a sliding groove (not shown in the figure) can be correspondingly provided on the second box body 5000 ), the rotation angle of the third transmission plate 1300 is limited by the cooperation of the limiting protrusion 1350 and the sliding groove.
- the circumferential limiter By providing the circumferential limiter, the rotation angle of the third transmission disc 1300 can be accurately controlled, thereby ensuring the safety of the instrument box assembly.
- the limiting protrusion 1350 is arranged at a position where the third transmission plate 1300 is relatively thick and has a good force-bearing condition.
- the instrument box assembly further includes a positive magnet group 6000 for assisting the third transmission plate 1300 to reach the zero position.
- the positive magnet group includes a first magnet 6100 and a second magnet 6200, the first magnet 6100 is arranged on the third drive plate 1300, and the second magnet 6200 is arranged on the second box 5000 . Further, the first magnet 6100 and the second magnet 6200 are configured such that when the third transmission disk 1300 is at a zero position, the magnetic attraction force between the first magnet 6100 and the second magnet 6200 is the largest.
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Abstract
Description
Claims (57)
- 一种传动组件,用于手术器械,其特征在于,包括第一传动盘和第二传动盘;所述第一传动盘具有第二端,所述第二传动盘具有与所述第二端面对面设置的第三端;所述第二端的端面和所述第三端的端面中的一个端面上形成有第一导向面,同时另一个端面上设置有第二接合部,所述第一导向面上设置有至少一个第一接合部,所述第二接合部被配置为能够与所述第一接合部相接合;其中,所述第二接合部用于沿所述第一导向面运动直至与所述第一接合部接合,以允许所述第一传动盘与所述第二传动盘间的力矩传递。
- 根据权利要求1所述的传动组件,其特征在于,所述第一导向面具有沿该端所在端面周向分布的至少一个波峰和至少一个波谷,所述第一接合部设置于所述第一导向面的波谷处。
- 根据权利要求2所述的传动组件,其特征在于,所述第一导向面沿轴向的投影的直径大于或等于所述第一导向面的波峰到波谷的轴向距离的十分之一。
- 根据权利要求1所述的传动组件,其特征在于,所述第一传动盘的第二端还设有沿轴向延伸的第一定位柱;所述第二传动盘的第三端还设有沿轴向延伸的第一定位孔,所述第一定位柱和所述第一定位孔相互配合以辅助实现所述第一传动盘和所述第二传动盘的同心定位。
- 根据权利要求4所述的传动组件,其特征在于,所述第一接合部为凹槽,所述第二接合部为凸起;所述第二接合部所在的端面上设置有环绕所述凸起的第一遮挡壁,所述第一遮挡壁呈环形并与所述凸起连接;所述第一导向面所在的端面沿轴向的投影直径小于或等于所述第一遮挡壁的内径。
- 根据权利要求5所述的传动组件,其特征在于,所述第二接合部包括第一导向部和第一动力传输部;所述第一导向部用于与所述第一导向面接触以引导所述第二接合部沿所述第一导向面滑移;所述第一动力传输部用于在所述第一接合部与所述第二接合部接合时传递动力。
- 根据权利要求6所述的传动组件,其特征在于,所述第一接合部和所述第一动力传输部沿轴向的投影均呈腰圆形;或,所述第一接合部和所述第一动力传输部沿轴向的投影均呈扇形,且所述第一接合部所形成的扇形的角度大于或等于所述第一动力传输部所形成的扇形的角度。
- 根据权利要求5所述的传动组件,其特征在于,所述第二接合部包括第一导向部,所述第一导向部用于与所述第一导向面接触以引导所述第二接合部沿所述第一导向面滑移,并用于在所述第二接合部与所述第一接合部接合时传递动力。
- 根据权利要求8所述的传动组件,其特征在于,所述第一导向部和所述第一接合部被配置为面接触,以增加两者间的摩擦力。
- 根据权利要求6-9中任一项所述的传动组件,其特征在于,所述第二接合部的数量至少为两个,所述第一导向面和所述第二接合部被配置为当所述第二传动盘受到轴向外力,且所述第一导向面与所述第二接合部接触时,所述第二接合部受到的作用力不平衡。
- 根据权利要求10所述的传动组件,其特征在于,每个所述第二接合部包括第一导向部,每个所述第一导向部包括两个楔形面,所述两个楔形面形成第一相交线;所述第一导向面包括多个依次连接的子导向面,相邻两个所述子导向面在所述第一导向面的波峰处形成第二相交线;所述第一相交线与所述第二相交线被配置为,当所述第二接合部与所述第一导向面在所述第一导向面的波峰处接触时,所述第一相交线沿轴向的投影与对应的所述第二相交线沿轴向的投影至少部分重合;或者,所述第一相交线与所述第二相交线被配置为,当所述第二接合部与所述 第一导向面在所述第一导向面的波峰处接触时,多个所述第一相交线沿轴向的投影中至少有两个共线,且多个所述第二相交线沿轴向的投影中至少有两个共线。
- 根据权利要求10所述的传动组件,其特征在于,每个所述第二接合部包括第一导向部,每个所述第一导向部包括两个楔形面,以及位于所述两个楔形面之间的第一过渡面;所述第一过渡面被一组切割平面或切割曲面切割,所述第一过渡面与所述切割平面或切割曲面之间形成一组切割交线,取每个切割交线的特征点形成的连线作为第一相交线;所述第一导向面包括多个子导向面,相邻两个所述子导向面在所述第一导向面的波峰处由第二过渡面连接;所述第二过渡面被所述一组切割平面或切割曲面切割,所述第二过渡面与所述切割平面或切割曲面之间形成一组切割交线,取每个切割交线的特征点形成的连线作为第二相交线;所述第一相交线与所述第二相交线被配置为,当所述第一接合部和所述第二接合部接合时,所述第一相交线沿轴向的投影与对应的所述第二相交线沿轴向的投影至少部分重合;或者,多个所述第一相交线与多个所述第二相交线被配置为,当所述第一接合部和所述第二接合部接合时,多个所述第一相交线沿轴向的投影中至少有两个共线,且多个所述第二相交线沿轴向的投影中至少有两个共线。
- 根据权利要求1所述的传动组件,其特征在于,所述第二接合部所在的端面形成有第一配合面,所述第二接合部设置于所述第一配合面,所述第一配合面被配置为不阻止所述第二接合部沿所述第一导向面运动并与所述第一接合部接合。
- 根据权利要求13所述的传动组件,其特征在于,所述第一配合面被配置为当所述第二接合部与所述第一接合部接合时,所述第一配合面与所述第一导向面至少部分贴合。
- 根据权利要求13所述的传动组件,其特征在于,所述第一导向面具有沿所在端面周向分布的至少一个波峰和至少一个波谷,所述第一接合部设置于所述第一导向面的波谷处;所述第一配合面具有沿对应端面周向分布的至少一个波峰和至少一个波谷,所述第二接合部设置在所述第一配合面的波峰处;所述第一配合面的波峰与所述第一导向面的波谷对应配置,所述第一配合面的波谷与所述第一导向面的波峰对应配置;所述第一配合面的波谷被配置为不阻止所述第一接合部和所述第二接合部接合。
- 根据权利要求15所述的传动组件,其特征在于,所述第一配合面的波谷被配置为当所述第一传动盘和所述第二传动盘接合时,第一配合面的波谷与对应的所述第一导向面的波峰完全没有接触;或,所述第一配合面的波谷与对应的所述第一导向面的波峰没有接触,但所述第一配合面的波谷两侧与对应的所述第一导向面的波峰两侧形成线接触或面接触。
- 根据权利要求13所述的传动组件,其特征在于,所述第一导向面具有沿所在端面周向分布的至少一个波峰和至少一个波谷,所述第一接合部设置于所述第一导向面的波谷处;所述第一配合面的波峰和所述第一导向面的波谷对应配置,所述第一配合面的波谷与所述第一导向面的波峰对应配置;所述第一配合面上还设置有第一退让槽,所述第一退让槽用于容纳所述第一导向面的波峰。
- 根据权利要求1所述的传动组件,其特征在于,还包括第三传动盘,所述第一传动盘、所述第二传动盘和所述第三传动盘依次连接;所述第二传动盘还具有与所述第三端相对的第四端,所述第三传动盘具有与所述第四端面对面设置的第五端;所述第四端的端面和所述第五端的端面中的一个端面上形成有第二导向面,同时另一个端面上设置有第四接合部,所述第二导向面上设置有至少一个第三接合部,所述第四接合部被配置为能够与所述第三接合部相接合;其中,所述第四接合部用于沿所述第二导向面滑移直至与所述第三接合部接合,以允许所述第二传动盘与所述第三传动盘间的力矩传递。
- 根据权利要求18所述的传动组件,其特征在于,所述第一接合部与所述第三接合部的形状以及尺寸均相同;所述第二接合部与所述第四接合部的形状以及尺寸均相同,所述第一导向面和所述第二导向面的形状相同。
- 根据权利要求18所述的传动组件,其特征在于,所述传动组件包括至少两个相互接合的第二传动盘,其中一个所述第二传动盘与所述第一传动盘接合,另一个所述第二传动盘与所述第三传动盘接合。
- 根据权利要求18所述的传动组件,其特征在于,所述第二接合部与所述第四接合部沿所述传动组件的周向交错布置。
- 一种手术器械系统,用于手术机器人,其特征在于,包括:动力盒,包括第一盒体和驱动机构,所述驱动机构设置于所述第一盒体内,且所述第一盒体上设置有至少一个输出孔;手术器械,包括器械杆、器械末端及器械盒;所述器械盒包括第二盒体和传动模组,所述传动模组设置于所述第二盒体内,并用于驱动所述器械杆和/或所述器械末端运动,同时所述第二盒体上设置有至少一个输入孔;以及,如权利要求1所述的传动组件;其中,所述第一传动盘设置于所述输出孔中,所述第二传动盘设置在所述输入孔中,当所述第一传动盘和第二传动盘接合后,所述驱动机构提供的动力经由所述传动组件传递至所述传动模组,进而所述传动模组驱动所述器械杆和/或所述器械末端运动。
- 一种手术器械系统,用于手术机器人,其特征在于,包括:动力盒,包括第一盒体和驱动机构,且所述驱动机构设置于所述第一盒体内,同时所述第一盒体上设置有至少一个输出孔;无菌板,至少为一个并设置有至少一个传动孔;手术器械,包括器械杆、器械末端及器械盒,所述器械盒包括第二盒体和传动模组,所述传动模组设置于所述第二盒体内,并用于驱动所述器械杆和/或所述器械末端运动,同时所述第二盒体上设置有至少一个输入孔;以及,如权利要求18所述的传动组件;所述动力盒、所述无菌板和所述器械盒依次布置;其中,设置于所述输出孔内的第一传动盘,还包括与第二端相对设置的第一端,且所述第一传动盘的第一端与所述驱动机构连接;所述第二传动盘设置于所述传动孔内;所述第三传动盘设置于所述输入孔内,且所述第三传动盘还包括与第五端相对设置的第六端,所述第三传动盘的第六端与所述传动模组连接;当所述第一传动盘、所述第二传动盘及所述第三传动盘依次接合后,所述驱动机构提供的动力经由所述传动组件传递至所述传动模组,进而所述传动模组驱动所述器械杆和/或所述器械末端运动。
- 根据权利要求23所述的手术器械系统,其特征在于,所述手术器械系统还包括至少一组正位磁铁组;所述第三传动盘具有零位位置,所述正位磁铁组用于辅助所述第三传动盘到达所述零位位置。
- 根据权利要求24所述的手术器械系统,其特征在于,所述正位磁铁组包括第一磁铁和第二磁铁,所述第一磁铁设置于所述第三传动盘上,所述第二磁铁设置于所述器械盒上,所述第一磁铁和所述第二磁铁相吸设置以辅助所述第三传动盘到达所述零位位置。
- 根据权利要求23所述的手术器械系统,其特征在于,所述手术器械系统还包括至少一组防错位磁铁组;所述传动组件具有最劣位置,所述防错位磁铁组用于阻止所述传动组件位于所述最劣位置。
- 根据权利要求26所述的手术器械系统,其特征在于,所述防错位磁铁组包括第三磁铁和第四磁铁,所述第三磁铁设置于所述第二传动盘上,所述第四磁铁设置于所述无菌板上,所述第三磁铁和所述第四磁铁相斥布置以在斥力的作用下使所述传动组件避开所述最劣位置。
- 根据权利要求23所述的手术器械系统,其特征在于,所述手术器械系统还包括周向限位件,用于约束所述第三传动盘的转动范围。
- 根据权利要求28所述的手术器械系统,其特征在于,所述周向限位件包括设置于所述第三传动盘周向侧壁上的限位凸块和设置于所述输入孔内 壁上的滑槽,所述限位凸块位于所述滑槽内并可沿所述滑槽转动。
- 根据权利要求23所述的手术器械系统,其特征在于,所述手术器械系统还包括轴向限位件,用于防止所述第二传动盘从所述无菌板中脱出。
- 根据权利要求30所述的手术器械系统,其特征在于,所述无菌板包括无菌基板和无菌盖板,所述无菌基板与所述动力盒连接,且所述无菌基板上设有第一通孔,所述无菌盖板上设有第二通孔,所述第一通孔与所述第二通孔构成所述传动孔;所述轴向限位件包括所述第二传动盘的周向侧壁上设置的限位挡圈,所述第二通孔靠近所述第一通孔部分的内径大于所述第二通孔远离所述第一通孔部分的内径,也大于所述第一通孔的内径,并与所述限位挡圈的外径相匹配。
- 一种手术机器人,其特征在于,包括如权利要求22所述的手术器械系统。
- 根据权利要求32所述的手术机器人,其特征在于,所述手术机器人还包括机械臂,所述动力盒固定于所述机械臂的末端,所述器械盒可拆卸地连接于所述动力盒上。
- 一种手术机器人,其特征在于,包括如权利要求23所述的手术器械系统。
- 根据权利要求34所述的手术机器人,其特征在于,所述手术机器人还包括机械臂,所述动力盒固定于所述机械臂的末端,所述无菌板可拆卸地设置于所述动力盒上,所述器械盒可拆卸地连接于所述无菌板上。
- 一种驱动组件,用于手术器械,其特征在于,包括:第一盒体,所述第一盒体上开设有至少一个输出孔;驱动机构,设置于所述第一盒体内;以及用于与设有第二接合部的第二传动盘或设有第四接合部的第三传动盘接合的第一传动盘,设置于所述输出孔内,且所述第一传动盘具有相对的两个端部,其中一个端部与所述驱动机构连接,另一个端部的端面上形成有导向面,所述导向面上设置有至少一个第一接合部,所述导向面用于使第二传动盘的第二接合部或第三传动盘的第四接合部沿导向面运动直至与所述第一接 合部接合。
- 根据权利要求36所述的驱动组件,其特征在于,所述第一传动盘的所述导向面具有沿相应端部的周向分布的至少一个波峰和至少一个波谷,所述第一接合部设置于所述导向面的波谷处。
- 根据权利要求36所述的驱动组件,其特征在于,所述第一传动盘的所述导向面上设置有至少两个所述第一接合部,两个所述第一接合部在所述导向面上中心对称设置。
- 一种驱动组件,用于手术器械,其特征在于,包括:第一盒体,所述第一盒体上开设有至少一个输出孔;驱动机构,设置于所述第一盒体内;以及,用于与设有第一导向面以及第一接合部的第二传动盘或设有第二导向面以及第三接合部的第三传动盘接合的第一传动盘,所述第一传动盘设置于所述输出孔内,且所述第一传动盘具有相对的两个端部,其中一个端部与所述驱动机构连接,另一个端部的端面上形成有至少一个第二接合部,所述第二接合部用于沿所述第一导向面运动直至与所述第一接合部接合,或者用于沿所述第二导向面运动直至与所述第三接合部接合。
- 根据权利要求39所述的驱动组件,其特征在于,所述第一传动盘的所述另一个端部的端面形成有第一配合面,所述第一配合面具有沿对应端面周向分布的至少一个波峰和至少一个波谷,所述第二接合部位于所述第一配合面的波峰处。
- 一种无菌组件,其特征在于,包括:无菌板,至少为一个并设置有至少一个传动孔;以及用于与第一传动盘和第三传动盘接合的第二传动盘,至少为一个并设置于所述传动孔内,且所述第二传动盘具有相对的两个端部,至少一个端部的端面形成有导向面,且所述第二传动盘的两个端部的端面上各设置有至少一个接合部,所述导向面和接合部用于使所述第二传动盘分别与所述第一传动盘和所述第三传动盘接合。
- 根据权利要求41所述的无菌组件,其特征在于,所述第二传动盘的 所述导向面具有沿相应端部的周向分布的至少一个波峰和至少一个波谷,设置于所述导向面上的接合部位于所述导向面的波谷处。
- 根据权利要求41所述的无菌组件,其特征在于,所述第二传动盘的两个端部的端面均形成有所述导向面,在每个所述导向面上设置有至少一个接合部,且所述接合部为凹槽。
- 根据权利要求41所述的无菌组件,其特征在于,所述第二传动盘上仅一个端部的端面形成有所述导向面,且设置于所述导向面上的接合部为凹槽,而设置于另一端部的端面上的接合部为凸起。
- 根据权利要求41所述的无菌组件,其特征在于,所述无菌组件还包括至少一组防错位磁铁组;所述第二传动盘具有一最劣位置,所述防错位磁铁组用于阻止所述第二传动盘位于所述最劣位置。
- 根据权利要求44所述的无菌组件,其特征在于,所述无菌组件包括至少两个层叠设置的无菌板,且至少两个所述无菌板上的传动孔对准设置,每一所述传动孔内均设置有一个所述传动盘。
- 根据权利要求41所述的无菌组件,其特征在于,还包括轴向限位件,用于防止所述传动盘从所述传动孔中脱出。
- 根据权利要求47所述的无菌组件,其特征在于,所述无菌板包括无菌基板和无菌盖板,所述无菌基板用于与动力盒组件连接,且所述无菌基板上设有第一通孔,所述无菌盖板上设有第二通孔,所述第一通孔与所述第二通孔构成所述传动孔;所述轴向限位件包括所述第二传动盘的周向侧壁上设置的限位挡圈,所述第二通孔靠近所述第一通孔部分的内径大于所述第二通孔远离所述第一通孔部分的内径,也大于第一通孔的内径,并与所述限位挡圈的外径相匹配。
- 一种无菌组件,其特征在于,包括:无菌板,至少为一个并设置有至少一个传动孔;以及,用于与设有第一导向面和第一接合部的第一传动盘以及设有第二导向面和第三接合部的第三传动盘接合的第二传动盘,至少为一个并设置于所述传 动孔内,且所述第二传动盘具有相对的两个端部,两个所述端部的端面各形成有至少一个接合部,所述接合部用于使所述第二传动盘分别与所述第一传动盘和所述第三传动盘接合。
- 根据权利要求49所述的无菌组件,其特征在于,所述第二传动盘的两个端部的端面均形成有配合面,所述配合面具有沿对应端面的周向分布的至少一个波峰和至少一个波谷,每个所述接合部设置在对应的所述配合面的波峰处。
- 一种器械盒组件,用于包含器械杆和器械末端的手术器械,其特征在于,包括:器械盒,包括第二盒体及设置于所述第二盒体内的传动模组,所述传动模组用于驱动器械杆和/或器械末端运动,且所述第二盒体上设置有至少一个输入孔;以及,用于与设有第二接合部的第一传动盘或设有第四接合部的第二传动盘接合的第三传动盘,设置于所述输入孔内,所述第三传动盘具有相对的两个端部,其中一个端部与所述传动模组连接,另一个端部的端面形成有导向面,且所述导向面上设置有至少一个第三接合部,所述导向面用于使所述第一传动盘的第二接合部沿所述导向面运动直至与所述第三接合部接合,或所述导向面用于使所述第二传动盘的第四接合部沿所述导向面运动直至与所述第三接合部接合。
- 根据权利要求51所述的器械盒组件,其特征在于,所述第三传动盘的所述导向面具有沿相应端部的周向分布的至少一个波峰和至少一个波谷,所述第三接合部设置于所述导向面的波谷处。
- 根据权利要求51所述的器械盒组件,其特征在于,所述传动模组包括旋转件、柔性结构和导向轮组,其中,所述导向轮组用于改变所述柔性结构的延伸方向;所述旋转件用于通过所述柔性结构驱动所述器械末端运动,所述第三传动盘与所述旋转件可拆卸连接,或者与所述旋转件一体成型。
- 根据权利要求51所述的器械盒组件,其特征在于,所述手术器械还包括至少一组正位磁铁组;所述第三传动盘具有一零位位置,所述正位磁铁组用于辅助所述第三传动盘到达所述零位位置。
- 根据权利要求51所述的器械盒组件,其特征在于,所述手术器械还包括周向限位件,用于约束所述第三传动盘的转动范围。
- 一种器械盒组件,用于包含器械杆和器械末端的手术器械,其特征在于,包括:器械盒,包括第二盒体及设置于所述第二盒体内的传动模组,所述传动模组用于驱动器械杆和/或器械末端运动,且所述器械盒上设置有至少一个输入孔;以及,用于与设有第一导向面以及第一接合部的第一传动盘或设有第二导向面以及第三接合部的第二传动盘接合的第三传动盘,设置于所述输入孔内,所述第三传动盘具有相对的两个端部,其中一个端部与所述传动模组连接,另一个端部的端面形成有至少一个第四接合部,所述第四接合部用于沿所述第一导向面运动直至与所述第一传动盘的第一接合部接合,或所述第四接合部用于沿所述第二导向面运动直至与所述第二传动盘的第三接合部接合。
- 根据权利要求56所述的器械盒组件,其特征在于,所述第三传动盘的所述另一端的端面形成有第一配合面,所述第一配合面具有沿对应端面周向分布的至少一个波峰和至少一个波谷,所述第四接合部位于所述第一配合面的波峰处。
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CN112957127A (zh) | 2021-06-15 |
BR112022003631A2 (pt) | 2022-05-24 |
EP4023184A1 (en) | 2022-07-06 |
CN112957128B (zh) | 2022-07-01 |
CN112957127B (zh) | 2022-06-17 |
US20220287781A1 (en) | 2022-09-15 |
CN112957128A (zh) | 2021-06-15 |
CN110464467B (zh) | 2021-03-12 |
KR20220051211A (ko) | 2022-04-26 |
EP4023184A4 (en) | 2022-11-09 |
JP7324364B2 (ja) | 2023-08-09 |
CN110464467A (zh) | 2019-11-19 |
JP2022546401A (ja) | 2022-11-04 |
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