CN109172282A - A kind of upper limb rehabilitation robot of seven freedom - Google Patents

A kind of upper limb rehabilitation robot of seven freedom Download PDF

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Publication number
CN109172282A
CN109172282A CN201811208345.0A CN201811208345A CN109172282A CN 109172282 A CN109172282 A CN 109172282A CN 201811208345 A CN201811208345 A CN 201811208345A CN 109172282 A CN109172282 A CN 109172282A
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CN
China
Prior art keywords
joint
upper arm
forearm
wrist
extension
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Pending
Application number
CN201811208345.0A
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Chinese (zh)
Inventor
闫维新
钱阳
赵言正
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Suzhou Emperor Vinda Biological Technology Co Ltd
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Suzhou Emperor Vinda Biological Technology Co Ltd
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Priority to CN201811208345.0A priority Critical patent/CN109172282A/en
Publication of CN109172282A publication Critical patent/CN109172282A/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H1/00—Apparatus for passive exercising; Vibrating apparatus; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
    • A61H1/02—Stretching or bending or torsioning apparatus for exercising
    • A61H1/0274—Stretching or bending or torsioning apparatus for exercising for the upper limbs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H1/00—Apparatus for passive exercising; Vibrating apparatus; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
    • A61H1/02—Stretching or bending or torsioning apparatus for exercising
    • A61H1/0274—Stretching or bending or torsioning apparatus for exercising for the upper limbs
    • A61H1/0277—Elbow
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H1/00—Apparatus for passive exercising; Vibrating apparatus; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
    • A61H1/02—Stretching or bending or torsioning apparatus for exercising
    • A61H1/0274—Stretching or bending or torsioning apparatus for exercising for the upper limbs
    • A61H1/0281—Shoulder
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H1/00—Apparatus for passive exercising; Vibrating apparatus; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
    • A61H1/02—Stretching or bending or torsioning apparatus for exercising
    • A61H1/0274—Stretching or bending or torsioning apparatus for exercising for the upper limbs
    • A61H1/0285—Hand
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/00178—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices for active exercising, the apparatus being also usable for passive exercising
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/00181—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices comprising additional means assisting the user to overcome part of the resisting force, i.e. assisted-active exercising
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
    • A63B23/1245—Primarily by articulating the shoulder joint
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
    • A63B23/1281—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles primarily by articulating the elbow joint
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
    • A63B23/14—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles for wrist joints
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/12—Driving means
    • A61H2201/1207—Driving means with electric or magnetic drive
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/16—Physical interface with patient
    • A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
    • A61H2201/1635—Hand or arm, e.g. handle
    • A61H2201/1638—Holding means therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/50—Control means thereof
    • A61H2201/5058—Sensors or detectors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2205/00—Devices for specific parts of the body
    • A61H2205/06—Arms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2205/00—Devices for specific parts of the body
    • A61H2205/06—Arms
    • A61H2205/062—Shoulders
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2205/00—Devices for specific parts of the body
    • A61H2205/06—Arms
    • A61H2205/065—Hands
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/40—Acceleration
    • A63B2220/44—Angular acceleration
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/80—Special sensors, transducers or devices therefor
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/80—Special sensors, transducers or devices therefor
    • A63B2220/803—Motion sensors

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • Pain & Pain Management (AREA)
  • Rehabilitation Therapy (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Rehabilitation Tools (AREA)

Abstract

The present invention provides a kind of upper limb rehabilitation robot of seven freedom, including receiving outreach joint, shoulder buckling stretching, extension joint, shoulder inward turning outward turning joint, elbow buckling stretching, extension joint, the Pianguan County cubit Pian Rao section, wrist buckling stretching, extension joint, wrist inward turning outward turning joint, upper arm telescopic section, forearm telescopic section, upper arm support section, forearm support section, finger wrist fixed part and control section composition in shoulder, 7 degree of freedom, which is adopted, to be connected serially.Operation of the present invention is convenient, only patient's upper arm and forearm need to be put into upper arm support section and forearm support section, by finger wrist fixed part by patients wrist and finger and wrist inward turning outward turning arthrodesis, to provide patient's adduction of the upper limb abduction exercise, upper arm buckling stretching routine, forward rotation of upper limb outward turning campaign, elbow buckling stretching routine, the inclined oar of cubit move partially, the rehabilitation training of wrist buckling stretching routine and wrist inward turning outward turning campaign 7 degree of freedom.The present invention has good foot shaping effect, has and is widely popularized meaning.

Description

Upper limb rehabilitation robot with seven degrees of freedom
Technical Field
The invention relates to the field of medical equipment, in particular to a seven-degree-of-freedom upper limb rehabilitation robot.
Background
At present, the most effective recovery method after the operation of a stroke patient or a limb injury patient is rehabilitation training, and the upper limb rehabilitation training is a very key link in limb rehabilitation exercise of the patient.
Some seven-degree-of-freedom upper limb rehabilitation robots also appear in the prior art, for example, chinese patent application No. CN201610798842.5, which discloses a seven-degree-of-freedom upper limb rehabilitation robot based on hybrid driving, which includes three modules: a shoulder joint inward/outward rotation motion module; shoulder joint flexion, adduction/abduction and elbow joint flexion, pronation/supination modules; a wrist joint radial/ulnar/lateral flexion and dorsal/palmar flexion movement module; seven degrees of freedom of motion can be achieved. Under the coordination of seven degrees of freedom, the robot can simulate and realize various movements of the upper limbs of a human body, and the seven degrees of freedom can realize independent movement of each joint independently and realize space movement of each joint in a combined manner.
However, the above patents have the following disadvantages:
the seven-degree-of-freedom sequence in the patent is shoulder joint inward/outward rotation movement, shoulder joint flexion and extension, shoulder joint adduction/abduction, elbow joint flexion and extension, elbow joint pronation/supination, wrist joint radial/ulnar flexion and wrist joint dorsal/palmar flexion, and the wrist joint inward/outward rotation movement can not be realized during elbow joint flexion.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a seven-degree-of-freedom upper limb rehabilitation robot, an elbow joint of the robot only provides one degree of freedom, namely elbow flexion and extension, the internal rotation and external rotation degrees of freedom of a wrist joint are added on the wrist joint, the internal rotation and external rotation actions of the wrist joint can be realized during the elbow joint flexion action, the robot is particularly suitable for three-degree-of-freedom wrist joint movement under the targeted elbow joint flexion state, the simultaneous coordination rehabilitation action of a shoulder joint, the elbow joint and the wrist joint can be realized, and a patient can obtain effective multi-degree-of-freedom upper limb rehabilitation training in the rehabilitation movement process.
In order to achieve the above object, the present invention provides a seven-degree-of-freedom upper limb rehabilitation robot, comprising: shoulder adduction abduction joint, shoulder flexion extend joint, shoulder internal rotation external rotation joint, elbow flexion extend joint, wrist ulnar deviation radial deviation joint, wrist flexion extend joint, wrist internal rotation external rotation joint, upper arm pars contractilis, upper arm support part, forearm support part, finger wrist fixed part and control division, seven degrees of freedom adopt the mode of establishing ties to connect, wherein:
the shoulder adduction-abduction joint is a first-degree-of-freedom joint, is concentric with a shoulder adduction and abduction action joint axis of an upper limb of a human body and is used for assisting the upper limb of a patient to carry out adduction and abduction motions of the shoulder joint;
the shoulder flexion and extension joint is a second-degree-of-freedom joint, is connected with the shoulder adduction and abduction joint and is concentric with a shoulder flexion and extension action joint axis of an upper limb of a human body, and is used for assisting the upper limb of a patient to carry out flexion and extension motions of the shoulder joint;
the upper arm telescopic part is connected with the shoulder flexion and extension joint and used for manually adjusting the size according to the length of the upper arm of the human body so as to adapt to the requirements of different limb sizes;
the shoulder internal rotation and external rotation joint is a third-degree-of-freedom joint, is connected with the upper arm telescopic part and is concentric with the shoulder joint internal rotation and external rotation action joint axis of the upper limb of the human body, and is used for assisting the upper limb of the patient to carry out the internal rotation and external rotation movement of the shoulder joint;
the elbow flexion and extension joint is a fourth-degree-of-freedom joint, is connected with the upper arm extension part and is concentric with the elbow flexion and extension action joint shaft of the elbow joint of the human body, and is used for assisting the upper limb of the patient to carry out flexion and extension action motions of the elbow joint;
the forearm stretching part is connected with the elbow flexion and extension joint and used for manually adjusting the size according to the length of the forearm of a human body so as to adapt to the requirements of different limb sizes;
the wrist ulnar deviation and radial deviation joint is a fifth-degree-of-freedom joint, is connected with the forearm extension part and is concentric with a wrist joint ulnar deviation and radial deviation action joint shaft of an upper limb of a human body, and is used for assisting the upper limb of a patient to carry out ulnar deviation and radial deviation movement of the wrist joint;
the wrist flexion and extension joint is a joint with a sixth degree of freedom, is connected with the wrist ulnar deviation and radial deviation joint and is concentric with a wrist flexion and extension action joint shaft of an upper limb of a human body, and is used for assisting the upper limb of a patient to carry out flexion and extension motions of the wrist joint;
the wrist internal rotation and external rotation joint is a seventh degree of freedom joint, is connected with the wrist flexion and extension joint and is concentric with the wrist joint internal rotation and external rotation movement joint axis of the upper limb of the human body, and is used for assisting the upper limb of the patient to carry out the internal rotation and external rotation movement of the wrist joint;
the upper arm supporting part is connected with the upper arm telescopic part and is used for supporting the upper arm part of the human body;
the forearm supporting part is connected with the forearm stretching part and is used for supporting a forearm part of a human limb;
the finger wrist fixing part is used for fixing the wrist and the fingers of the patient with the wrist internal rotation and external rotation joint;
the control part is used for controlling the movement speed and the movement angle of the joints with seven degrees of freedom, carrying out active, passive or resistance control on the patient according to requirements and realizing the rehabilitation effect according to the rehabilitation requirements of different stages.
Preferably, the motion joint axes of the shoulder adduction-abduction joint and the shoulder flexion-extension joint are perpendicular to each other.
Preferably, the shoulder internal rotation and external rotation joint is perpendicular to the motion joint axis of the shoulder adduction and abduction joint and the shoulder flexion and extension joint.
Preferably, the upper arm telescopic part includes: upper arm fixed part, upper arm sliding part and upper arm length locking part, wherein:
the upper arm fixing part is connected with the shoulder flexion and extension joint and is used for bearing an upper arm sliding part and an upper arm length locking part;
the upper arm sliding part and the upper arm fixing part are in linear sliding motion, and the length of the telescopic part of the whole upper arm is adjusted according to the length of the upper arm of the limb of the patient;
the upper arm length locking part is used for locking after the upper arm sliding part slides linearly and meets the length requirement of the upper arm of the patient so as to fix the mutual positions of the upper arm fixing part and the upper arm sliding part.
Preferably, the forearm extension portion comprises: a forearm fixing component, a forearm sliding component and a forearm length locking component, wherein:
the forearm fixing component is connected with the elbow flexion-extension joint and is used for bearing the forearm sliding component and the forearm length locking component;
the forearm sliding component and the forearm fixing component are in linear sliding motion, and the length of the whole forearm stretching part is adjusted according to the length of the forearm of the patient;
the forearm length locking component is used for locking after the forearm sliding component linearly slides and meets the forearm length requirement of a patient so as to fix the mutual positions of the forearm fixing component and the forearm sliding component.
Preferably, the wrist ulnar deviation radial deviation joint is perpendicular to the motion joint axis of the wrist flexion and extension joint;
preferably, the wrist internal rotation and external rotation joint is mutually vertical to the movement joint axis of the wrist ulnar deviation and radial deviation joint and the wrist flexion and extension joint;
preferably, the motion source of the shoulder adduction and abduction joint, the shoulder flexion and extension joint, the shoulder internal rotation and external rotation joint, the elbow flexion and extension joint, the wrist ulnar deviation and radial deviation joint, the wrist flexion and extension joint and the wrist internal rotation and external rotation joint is one of a direct current stepping motor, a direct current permanent magnet motor, a direct current brushless motor, a direct current torque motor and an alternating current servo motor.
More preferably, the motion mode of the shoulder adduction-abduction joint, the shoulder flexion-extension joint, the shoulder internal rotation external rotation joint, the elbow flexion-extension joint, the wrist ulnar deviation radial deviation joint, the wrist flexion-extension joint and the wrist internal rotation external rotation joint is directly driven by a rotating motor, or one of an RV reducer, a planetary reducer, a harmonic reducer, a gear reducer and a worm gear reducer is adopted.
More preferably, the shoulder adduction-abduction joint, the shoulder flexion-extension joint, the shoulder internal rotation external rotation joint, the elbow flexion-extension joint, the wrist ulnar deviation radial deviation joint, the wrist flexion-extension joint and the wrist internal rotation external rotation joint are matched with a driving controller, and a rotating motor, a speed reducer and an encoder are adopted for independent use;
or the rotating motor, the reducer, the encoder and the driving controller are integrated into a module, and the joint shaft is controlled through communication.
More preferably, the shoulder adduction-abduction joint, the shoulder flexion-extension joint, the shoulder internal rotation external rotation joint, the elbow flexion-extension joint, the wrist ulnar deviation radial deviation joint, the wrist flexion-extension joint and the wrist internal rotation external rotation joint are provided with torque sensors to calculate the torque output of the joint shaft in the rotation process for active rehabilitation control and resistance rehabilitation control;
or the torque sensor is not arranged, and the joint shaft is directly driven to rotate for passive rehabilitation control.
More preferably, the shoulder adduction-abduction joint, the shoulder flexion-extension joint, the shoulder internal rotation external rotation joint, the elbow flexion-extension joint, the wrist ulnar deviation radial deviation joint, the wrist flexion-extension joint and the wrist internal rotation external rotation joint are provided with an inertia element of a gyroscope, an angular acceleration sensor or a geomagnetic sensor so as to calculate the postures of the upper arm, the forearm and the hand of the patient;
preferably, the wrist fixing part of the finger adopts a magic tape or a binding band or a nylon tape with a buckle to fix the wrist and the finger of the patient at the internal rotation and external rotation joint of the wrist.
Preferably, the shoulder adduction-abduction joint, the shoulder flexion-extension joint, the shoulder internal rotation external rotation joint, the elbow flexion-extension joint, the wrist ulnar deviation and radial deviation joint, the wrist flexion-extension joint and the wrist internal rotation external rotation joint move independently or are linked in a plurality of degrees of freedom.
Preferably, the control section includes: joint axis motion control component and human-computer interaction component, wherein:
the joint axis motion control component controls the motion speed and the motion angle of the seven-freedom-degree joint of the rehabilitation robot according to the parameters set by the human-computer interaction component;
the human-computer interaction component is used for setting the movement speed and the movement angle of the seven-freedom-degree joint in different time periods.
More preferably, the human-computer interaction part directly sets different movement speeds and movement angles according to different time periods;
or the human-computer interaction component intuitively sets the motion speed and the motion angle of each joint in different time periods based on a virtual reality technology, and performs real-time effect presentation through virtual reality.
Preferably, the joint energy source is directly connected to the mains supply, or the joint energy source provides energy in the form of a lead-acid storage battery, a lithium battery and the like.
Preferably, the upper arm support portion is directly fixed to the upper arm telescoping portion.
Preferably, the upper arm supporting part is connected with the upper arm telescopic part in a fast assembly mode, and the upper arm supporting part comprises: upper arm U template, upper arm fast-assembling guide rail and upper arm fast-assembling locking mechanism, wherein:
the upper arm U-shaped plate is an independent U-shaped plate and is used for supporting the upper arm of the patient; the upper arm U-shaped plate moves along the upper arm quick-mounting guide rail;
the upper arm quick-mounting guide rail is fixed on the upper arm telescopic part and used for restraining the movement direction of the upper arm U-shaped plate;
the upper arm quick-mounting locking mechanism is used for fixing the mutual movement between the upper arm U-shaped plate and the upper arm quick-mounting guide rail after the upper arm U-shaped plate moves in place on the upper arm quick-mounting guide rail.
Preferably, the forearm support portion is secured directly to the forearm extension portion.
Preferably, the forearm support part is connected with the forearm extension part in a quick-assembly manner, and comprises: forearm U template, forearm fast-assembling guide rail and forearm fast-assembling locking, wherein:
the forearm U-shaped plate is an independent U-shaped plate and is used for supporting the forearm of a patient; the front arm U-shaped plate moves along the front arm quick-mounting guide rail;
the forearm fast-assembling guide rail is fixed on a forearm telescopic part and used for restraining the movement direction of the forearm U-shaped plate;
the forearm fast-assembling locking mechanism is used for fixing the mutual movement between the forearm U-shaped plate and the forearm fast-assembling guide rail after the forearm U-shaped plate moves in place on the forearm fast-assembling guide rail.
Compared with the prior art, the invention has the following beneficial effects:
the invention has simple structure, only needs to place the upper arm and the forearm of the patient into the upper arm supporting part and the forearm supporting part, fixes the wrist and the finger of the patient at the wrist internal rotation and external rotation joint through the finger wrist fixing part, can provide the rehabilitation training of seven joint degrees of freedom for the upper arm adduction and abduction movement, the upper arm flexion and extension movement, the upper arm internal rotation and external rotation movement, the elbow flexion and extension movement, the wrist ulnar deviation and radial deviation movement, the wrist flexion and extension movement and the wrist internal rotation and external rotation movement of the wrist of the patient, can realize the internal rotation and external rotation movement of the wrist joint during the elbow joint flexion movement, and is suitable for the wrist joint three-degree-of-freedom movement under the targeted elbow joint flexion state.
The foot shaping device is simple in structure, convenient and fast to operate, has a good foot shaping effect, and has wide popularization significance.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
figure 1 is a schematic overall structure of a preferred embodiment of the present invention,
in the figure: 010-shoulder adduction abduction joint, 020-shoulder flexion extension joint, 030-shoulder internal rotation external rotation joint, 040-elbow flexion extension joint, 050-carpometacarpal deviation radial deviation joint, 060-wrist flexion extension joint, 070-wrist internal rotation external rotation joint, 080-upper arm extension part, 090-forearm extension part, 100-upper arm support part, 110-forearm support part, 120-finger wrist fixation part;
FIGS. 2a and 2b are schematic views illustrating the shoulder adduction-abduction movement according to a preferred embodiment of the present invention;
FIGS. 3a and 3b are schematic diagrams of the shoulder flexion-extension movement according to a preferred embodiment of the present invention;
FIGS. 4a and 4b are schematic views illustrating the inward and outward rotation of the shoulder according to a preferred embodiment of the present invention;
FIGS. 5a and 5b are schematic views illustrating elbow flexion and extension movements according to a preferred embodiment of the present invention;
FIGS. 6a and 6b are schematic views illustrating a wrist ulnar deviation and radial deviation movement in accordance with a preferred embodiment of the present invention;
FIGS. 7a and 7b are schematic views illustrating flexion and extension movements of a wrist according to a preferred embodiment of the present invention;
FIGS. 8a and 8b are schematic views illustrating the inward and outward rotation of the wrist according to a preferred embodiment of the present invention;
figure 9 is a schematic view of the upper arm telescoping portion of a preferred embodiment of the present invention,
in the figure: 081-upper arm fixing part, 082-upper arm sliding part, 083-upper arm length locking part;
FIGS. 10a and 10b are schematic views illustrating the operation of the upper arm telescoping portion according to a preferred embodiment of the present invention;
figure 11 is a schematic view of the forearm extension of a preferred embodiment of the invention,
in the figure: 091-forearm fixation part, 092-forearm sliding part, 093-forearm length locking part;
FIGS. 12a and 12b are schematic views of the forearm extension and retraction portion of a preferred embodiment of the invention;
figure 13 is a schematic structural view of an upper arm support portion of a preferred embodiment of the present invention,
in the figure: 101-upper arm U-shaped plate, 102-upper arm quick-mounting guide rail and 103-upper arm quick-mounting locking;
FIGS. 14a and 14b are schematic views showing the operation of the upper arm support part according to a preferred embodiment of the present invention;
figure 15 is a schematic structural view of a forearm support portion of a preferred embodiment of the invention,
in the figure: 111-forearm U-shaped plate, 112-forearm fast-assembling guide rail, 113-forearm fast-assembling and locking;
fig. 16a and 16b are schematic views illustrating the operation of the forearm support part according to a preferred embodiment of the invention.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.
As shown in fig. 1, a seven-degree-of-freedom upper limb rehabilitation robot includes: shoulder adduction and abduction joint 010, shoulder flexion and extension joint 020, shoulder internal rotation and external rotation joint 030, elbow flexion and extension joint 040, wrist ulnar deviation and radial deviation joint 050, wrist flexion and extension joint 060, wrist internal rotation and external rotation joint 070, upper arm extension part 080, forearm extension part 090, upper arm support part 100, forearm support part 110, finger wrist fixing part 120 and a control part, wherein:
the shoulder adduction-abduction joint 010 is a first degree-of-freedom joint, the shoulder flexion-extension joint 020 is a second degree-of-freedom joint, the shoulder internal rotation-external rotation joint 030 is a third degree-of-freedom joint, the elbow flexion-extension joint 040 is a fourth degree-of-freedom joint, the carpal-ulnar deviation-radial deviation joint 050 is a fifth degree-of-freedom joint, the wrist flexion-extension joint 060 is a sixth degree-of-freedom joint, the wrist internal rotation-external rotation joint 070 is a seventh degree-of-freedom joint, the seven degree-of-freedom joints are connected in a series connection mode, and the seven degree-of-freedom joints move independently or are linked with a plurality of degree-of-freedom joints.
As shown in fig. 1 and fig. 2a and 2b, the shoulder adduction-abduction joint 010 is concentric with a shoulder adduction-abduction joint axis of an upper limb of a human body, and is used for helping the upper limb of a patient to perform adduction and abduction motions of the shoulder joint;
as shown in fig. 1 and fig. 3a and 3b, the shoulder flexion and extension joint 020 is connected with the shoulder adduction and abduction joint 010, the shoulder flexion and extension joint 020 is concentric with the shoulder flexion and extension action joint axis of the upper limb of the human body for helping the upper limb of the patient to carry out flexion and extension movement of the shoulder joint, and the movement joint axis of the shoulder adduction and abduction joint 010 is perpendicular to that of the shoulder flexion and extension joint 020;
the upper arm extension part 080 is connected with the shoulder flexion and extension joint 020, and the size of the upper arm extension part 080 is manually adjusted according to the length of the upper arm of the human body so as to adapt to the requirements of different limb sizes;
as shown in fig. 1, 4a and 4b, the shoulder internal rotation and external rotation joint 030 is connected with an upper arm extension part 080, the shoulder internal rotation and external rotation joint 030 is concentric with a shoulder joint internal rotation and external rotation action joint axis of a human upper limb, and meanwhile, the shoulder internal rotation and external rotation joint 030 is perpendicular to movement joint axes of a shoulder adduction and abduction joint 010 and a shoulder flexion and extension joint 020, so as to help the upper limb of the patient to carry out internal rotation and external rotation movement of the shoulder joint;
as shown in fig. 1 and fig. 5a and 5b, the elbow flexion-extension joint 040 is connected with the upper arm extension part 080, and the elbow flexion-extension joint 040 is concentric with the elbow flexion-extension joint axis of the elbow joint of the human body and is used for helping the upper limb of the patient to perform flexion-extension movement of the elbow joint;
the forearm extension part 090 is connected with the elbow flexion-extension joint 040, and the size of the forearm extension part 090 is manually adjusted according to the length of the forearm of a human body so as to adapt to the requirements of different limb sizes;
as shown in fig. 1, 6a and 6b, the ulnar deviation and radial deviation joint 050 is connected with a forearm extension part 090, and the ulnar deviation and radial deviation joint 050 is concentric with an ulnar deviation and a radial deviation acting joint axis of a wrist joint of an upper limb of a human body and is used for helping the upper limb of a patient to perform ulnar deviation and radial deviation movements of the wrist joint;
as shown in fig. 1 and fig. 7a and 7b, the wrist flexion and extension joint 060 is connected to the wrist ulnar deviation and radial deviation joint 050, the wrist flexion and extension joint 060 is concentric with the wrist flexion and extension joint axis of the upper limb of the human body, and the wrist flexion and radial deviation joint 050 is perpendicular to the motion joint axis of the wrist flexion and extension joint 060, so as to help the upper limb of the patient to perform flexion and extension motions of the wrist joint;
as shown in fig. 1, 8a and 8b, the wrist internal rotation and external rotation joint 070 is connected with the wrist flexion and extension joint 060, the wrist internal rotation and external rotation joint 070 is concentric with the wrist joint internal rotation and external rotation movement joint axis of the upper limb of the human body, and the wrist internal rotation and external rotation joint 070 is perpendicular to the movement joint axis of the wrist ulnar deviation and radial deviation joint 050 and the wrist flexion and extension joint 060, so as to help the upper limb of the patient to carry out the internal rotation and external rotation movement of the wrist joint.
As shown in fig. 1, the upper arm supporting part 100 is a U-shaped plate for supporting the upper arm part of a human limb;
the forearm support part 110 is a U-shaped plate for supporting the forearm part of a human limb;
the finger and wrist fixing part 120 is a flexible binding band and is used for fixing the wrist and the fingers of the patient with the wrist internal rotation and external rotation joint 070, and the finger and wrist fixing part 120 adopts a magic tape and a sticky buckle belt or adopts a mode of binding band, nylon belt and eye-splice to fix the fingers with the wrist rehabilitation mechanism;
the control part is a set of control system with certain computing power, controls the movement speed and the movement angle of each joint shaft, performs active, passive or anti-resistance control on a patient according to requirements, and achieves rehabilitation effects according to rehabilitation requirements of different stages.
Further, the control section includes: joint axis motion control component and human-computer interaction component, wherein:
the joint shaft motion control part controls the motion speed and the motion angle of each joint of the rehabilitation robot;
the human-computer interaction component is used for setting the movement speed and the movement angle of each joint shaft in different time periods; the human-computer interaction component can directly set different movement speeds and movement angles according to different time periods, can also visually set the movement speeds and the movement angles of all joints in different time periods based on a virtual reality technology, and can display effects in real time through virtual reality; the joint energy can be directly connected to commercial power, and can also be provided in the form of lead-acid storage batteries, lithium batteries and the like.
In a preferred embodiment, as shown in fig. 9, the upper arm extension 080 includes: upper arm fixing member 081, upper arm sliding member 082 and upper arm length locking member 083, as shown in fig. 9 and fig. 10a, 10 b:
the upper arm fixing part 081 is connected with the shoulder flexion and extension joint 020 and is used for bearing an upper arm sliding part 082 and an upper arm length locking part 083; the upper arm sliding component 082 and the upper arm fixing component 081 perform linear sliding motion, and the length of the whole upper arm extension part 080 is adjusted according to the length of the upper arm of the limb of the patient; the upper arm length locking component 083 is used for locking after the upper arm sliding component 082 slides linearly and meets the length requirement of the upper arm of the patient so as to fix the mutual positions of the upper arm fixing component 081 and the upper arm sliding component 082.
In a preferred embodiment, the forearm extension 090 includes: a forearm fixing member 091, a forearm sliding member 092 and a forearm length locking member 093, as shown in fig. 11 and fig. 12a and 12 b:
the forearm fixing component 091 is connected with the elbow flexion and extension joint 040 and is used for bearing the forearm sliding component 092 and the forearm length locking component 093; the forearm sliding member 092 and the forearm fixing member 091 perform a linear sliding motion, and the length of the entire forearm telescopic portion 090 is adjusted according to the forearm length of the patient's limb; the forearm length locking member 093 is used to lock the forearm sliding member 092 after it has slid linearly and meets the forearm length requirement of the patient, so as to fix the mutual positions of the forearm fixing member 091 and the forearm sliding member 092.
In a preferred embodiment, the motion sources of the shoulder adduction-abduction joint 010, the shoulder flexion-extension joint 020, the shoulder internal rotation and external rotation joint 030, the elbow flexion-extension joint 040, the ulnar deviation and radial deviation joint 050, the wrist flexion-extension joint 060 and the wrist internal rotation and external rotation joint 070 are one of a direct current stepping motor, a direct current permanent magnet motor, a direct current brushless motor, a direct current torque motor and an alternating current servo motor.
In a preferred embodiment, the motion modes of the shoulder adduction-abduction joint 010, the shoulder flexion-extension joint 020, the shoulder internal rotation and external rotation joint 030, the elbow flexion-extension joint 040, the ulnar deviation and radial deviation joint 050, the wrist flexion-extension joint 060 and the wrist internal rotation and external rotation joint 070 are directly driven by a rotating motor;
or one of an RV reducer, a planetary reducer, a harmonic reducer, a gear reducer and a worm and gear reducer is adopted.
In a preferred embodiment, the shoulder adduction-abduction joint 010, the shoulder flexion-extension joint 020, the shoulder internal rotation-external rotation joint 030, the elbow flexion-extension joint 040, the ulnar deviation-radial deviation joint 050, the wrist flexion-extension joint 060 and the wrist internal rotation-external rotation joint 070 can be matched with a driving controller, and a rotating motor, a reducer and an encoder are independently used;
or the rotating motor, the reducer, the encoder and the driving controller are integrated into a module, and the joint shaft is controlled through communication.
In a preferred embodiment, the shoulder adduction-abduction joint 010, the shoulder flexion-extension joint 020, the shoulder internal rotation-external rotation joint 030, the elbow flexion-extension joint 040, the ulnar deviation-radial deviation joint 050, the wrist flexion-extension joint 060 and the wrist internal rotation-external rotation joint 070 are provided with torque sensors as required to calculate the torque output of the joint shaft in the rotation process for active rehabilitation control and resistance rehabilitation control;
or the torque sensor is not arranged, and the joint shaft is directly driven to rotate for passive rehabilitation control.
In a preferred embodiment, the shoulder adduction-abduction joint 010, the shoulder flexion-extension joint 020, the shoulder internal rotation-external rotation joint 030, the elbow flexion-extension joint 040, the carpal and ulnar deviation-radial deviation joint 050, the wrist flexion-extension joint 060, and the wrist internal rotation-external rotation joint 070 are provided with inertia elements such as a gyroscope, an angular acceleration sensor, a geomagnetic sensor, and the like as required to calculate the postures of the upper arm, the forearm, and the hand of the patient.
In a preferred embodiment, the upper arm support section 100 is directly fixed to the upper arm extension section 080;
alternatively, the upper arm support section 100 is connected to the upper arm extension section 080 in a quick-assembly manner, and if the upper arm support section 100 is connected in a quick-assembly manner, the upper arm support section 100 includes: an upper arm U-shaped plate 101, an upper arm quick-mounting guide rail 102 and an upper arm quick-mounting lock 103 (shown in figures 13, 14a and 14 b):
the upper arm U-shaped plate 101 is an independent U-shaped plate and is used for supporting the upper arm of a patient; the upper arm quick-mounting guide rail 102 is fixed to an upper arm telescopic part 080 and used for restraining the movement direction of an upper arm U-shaped plate 101; and the upper arm quick-mounting locking 103 is used for fixing the mutual movement between the upper arm U-shaped plate 101 and the upper arm quick-mounting guide rail 102 after the upper arm U-shaped plate moves in place on the upper arm quick-mounting guide rail 102.
In a preferred embodiment, the forearm support portion 110 is secured directly to the forearm extension portion 090;
alternatively, the forearm support portion 110 is connected to the forearm extension portion 090 by a quick-assembly method, which if the connection is made by a quick-assembly method, the forearm support portion includes: a forearm U-shaped plate 111, a forearm quick-assembly guide rail 112 and a forearm quick-assembly lock 113 (as shown in fig. 15, 16a and 16 b):
the forearm U-shaped plate 111 is an independent U-shaped plate for supporting the forearm of the patient; the ss forearm fast-assembling guide rail 112 is fixed on the forearm telescopic part 090 and used for restricting the movement direction of the forearm U-shaped plate 111; the ss front arm quick-mounting locking 113 fixes the mutual movement between the front arm U-shaped plate 111 and the front arm quick-mounting guide rail 112 after the front arm U-shaped plate moves in place on the front arm quick-mounting guide rail 112;
the upper limb rehabilitation robot with seven degrees of freedom has simple structure and convenient operation, and can provide rehabilitation training with seven degrees of freedom for the upper arm adduction-abduction movement, the upper arm flexion-extension movement, the upper arm internal rotation-outward rotation movement, the elbow flexion-extension movement, the carpometacarpal deviation-radial movement, the wrist flexion-extension movement and the wrist internal rotation-outward rotation movement of a patient only by placing the upper arm and the forearm of the patient into the upper arm supporting part 100 and the forearm supporting part 110 and fixing the wrist and the finger of the patient and the wrist internal rotation-outward rotation joint through the finger wrist fixing part 120, thereby playing the role of limb rehabilitation. The foot shaping device is simple in structure, convenient and fast to operate, has a good foot shaping effect, and has wide popularization significance.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.

Claims (10)

1. A seven-degree-of-freedom upper limb rehabilitation robot is characterized by comprising: shoulder adduction abduction joint, shoulder flexion extend joint, shoulder internal rotation external rotation joint, elbow flexion extend joint, wrist ulnar deviation radial deviation joint, wrist flexion extend joint, wrist internal rotation external rotation joint, upper arm pars contractilis, upper arm support part, forearm support part, finger wrist fixed part and control division, wherein:
the shoulder adduction-abduction joint is a first-degree-of-freedom joint, is concentric with a shoulder adduction and abduction action joint axis of an upper limb of a human body and is used for assisting the upper limb of a patient to carry out adduction and abduction motions of the shoulder joint;
the shoulder flexion and extension joint is a second-degree-of-freedom joint, is connected with the shoulder adduction and abduction joint and is concentric with a shoulder flexion and extension action joint axis of an upper limb of a human body, and is used for assisting the upper limb of a patient to carry out flexion and extension motions of the shoulder joint;
the upper arm telescopic part is connected with the shoulder flexion and extension joint and is used for manually adjusting the size according to the length of the upper arm of the human body so as to adapt to the requirements of different limb sizes;
the shoulder internal rotation and external rotation joint is a third-degree-of-freedom joint, is connected with the upper arm telescopic part and is concentric with the shoulder joint internal rotation and external rotation action joint axis of the upper limb of the human body, and is used for assisting the upper limb of the patient to carry out the internal rotation and external rotation movement of the shoulder joint;
the elbow flexion and extension joint is a fourth-degree-of-freedom joint, is connected with the upper arm extension part and is concentric with the elbow flexion and extension action joint shaft of the elbow joint of the human body, and is used for assisting the upper limb of the patient to carry out flexion and extension action motions of the elbow joint;
the forearm stretching part is connected with the elbow flexion-extension joint and used for manually adjusting the size according to the length of the forearm of a human body so as to adapt to the requirements of different limb sizes;
the wrist ulnar deviation and radial deviation joint is a fifth-degree-of-freedom joint, is connected with the forearm extension part and is concentric with a wrist joint ulnar deviation and radial deviation action joint shaft of an upper limb of a human body, and is used for assisting the upper limb of a patient to carry out ulnar deviation and radial deviation movement of the wrist joint;
the wrist flexion and extension joint is a joint with a sixth degree of freedom, is connected with the wrist ulnar deviation and radial deviation joint and is concentric with a wrist flexion and extension action joint shaft of an upper limb of a human body, and is used for assisting the upper limb of a patient to carry out flexion and extension motions of the wrist joint;
the wrist internal rotation and external rotation joint is a seventh degree of freedom joint, is connected with the wrist flexion and extension joint and is concentric with the wrist joint internal rotation and external rotation movement joint axis of the upper limb of the human body, and is used for assisting the upper limb of the patient to carry out the internal rotation and external rotation movement of the wrist joint;
the upper arm supporting part is connected with the upper arm telescopic part and is used for supporting the upper arm part of the human body;
the forearm supporting part is connected with the forearm stretching part and is used for supporting a forearm part of a human limb;
the finger wrist fixing part is used for fixing the wrist and the fingers of the patient with the wrist internal rotation and external rotation joint;
the control part is used for controlling the movement speed and the movement angle of the joints with seven degrees of freedom, carrying out active, passive or resistance control on the patient according to requirements and realizing the rehabilitation effect according to the rehabilitation requirements of different stages.
2. The seven-degree-of-freedom upper limb rehabilitation robot according to claim 1, wherein the kinematic joint axes of the shoulder adduction-abduction joint and the shoulder flexion-extension joint are perpendicular to each other;
the motion joint axes of the shoulder internal rotation external rotation joint, the shoulder adduction and abduction joint and the shoulder flexion and extension joint are mutually vertical;
the wrist ulnar deviation radial deviation joint is perpendicular to the motion joint axis of the wrist flexion and extension joint;
the wrist internal rotation and external rotation joint is mutually vertical to the movement joint axis of the wrist ulnar deviation and radial deviation joint and the wrist flexion and extension joint.
3. The seven-degree-of-freedom upper limb rehabilitation robot according to claim 1, characterized by one or more of the following features:
-the shoulder adduction and abduction joint, the shoulder flexion and extension joint, the shoulder internal rotation and external rotation joint, the elbow flexion and extension joint, the wrist ulnar deviation and radial deviation joint, the wrist flexion and extension joint and the wrist internal rotation and external rotation joint move independently in seven degrees of freedom, or any number of degrees of freedom in seven degrees of freedom are linked;
-said shoulder adduction-abduction joint, shoulder flexion extension joint, shoulder pronation supination joint, elbow flexion extension joint, wrist ulnar deviation and radial deviation joint, wrist flexion extension joint and wrist pronation supination joint are provided with torque sensors to calculate the torque output of the joint axis during rotation for active rehabilitation control and resistance rehabilitation control; or the torque sensor is not arranged, the joint shaft is directly driven to rotate, and the joint shaft is used for passive rehabilitation control;
-said shoulder adduction-abduction joint, shoulder flexion extension joint, shoulder pronation supination joint, elbow flexion extension joint, carpal ulnar deviation and radial deviation joint, wrist flexion extension joint and wrist pronation supination joint are provided with inertial elements of gyroscopes, angular acceleration sensors or geomagnetic sensors to calculate the posture of the patient's upper arm, forearm and hand.
4. The seven-degree-of-freedom upper limb rehabilitation robot according to any one of claims 1-3, wherein the upper arm extension and retraction part comprises: upper arm fixed part, upper arm sliding part and upper arm length locking part, wherein:
the upper arm fixing part is connected with the shoulder flexion and extension joint and is used for bearing the upper arm sliding part and the upper arm length locking part;
the upper arm sliding part and the upper arm fixing part are in linear sliding motion, and the length of the telescopic part of the whole upper arm is adjusted according to the length of the upper arm of the limb of the patient;
the upper arm length locking part is used for locking after the upper arm sliding part slides linearly and meets the length requirement of the upper arm of the patient so as to fix the mutual positions of the upper arm fixing part and the upper arm sliding part.
5. The seven-degree-of-freedom upper limb rehabilitation robot according to any of claims 1-3, wherein the forearm extension and retraction part comprises: a forearm fixing component, a forearm sliding component and a forearm length locking component, wherein:
the forearm fixing component is connected with the elbow flexion-extension joint and is used for bearing the forearm sliding component and the forearm length locking component;
the forearm sliding component and the forearm fixing component are in linear sliding motion, and the length of the whole forearm stretching part is adjusted according to the length of the forearm of the patient;
the forearm length locking component is used for locking after the forearm sliding component linearly slides and meets the forearm length requirement of a patient so as to fix the mutual positions of the forearm fixing component and the forearm sliding component.
6. The seven-degree-of-freedom upper limb rehabilitation robot according to any one of claims 1-3, wherein the wrist fixing part of the finger adopts a magic tape, a thread gluing tape, or a binding band, a nylon tape and a buckle to fix the wrist and the finger of the patient in the wrist internal rotation and external rotation joint.
7. The seven-degree-of-freedom upper limb rehabilitation robot according to any one of claims 1-3, wherein the control part comprises: joint axis motion control component and human-computer interaction component, wherein:
the joint axis motion control component controls the motion speed and the motion angle of the seven-freedom-degree joint of the rehabilitation robot according to the parameters set by the human-computer interaction component;
the human-computer interaction component is used for setting the movement speed and the movement angle of the seven-freedom-degree joint in different time periods.
8. The seven-degree-of-freedom upper limb rehabilitation robot according to claim 7, wherein the human-computer interaction component sets different motion speeds and motion angles according to different time periods; or the human-computer interaction component intuitively sets the motion speed and the motion angle of each joint in different time periods based on a virtual reality technology, and performs real-time effect presentation through virtual reality.
9. The seven-degree-of-freedom upper limb rehabilitation robot according to any of claims 1-3, wherein the upper arm support part is directly fixed to the upper arm extension part;
or, the upper arm supporting part is connected with the upper arm telescopic part in a fast-assembling mode, and the upper arm supporting part comprises: upper arm U template, upper arm fast-assembling guide rail and upper arm fast-assembling locking mechanism, wherein:
the upper arm U-shaped plate is an independent U-shaped plate and is used for supporting the upper arm of the patient; the upper arm U-shaped plate moves along the upper arm quick-mounting guide rail;
the upper arm quick-mounting guide rail is fixed on the upper arm telescopic part and used for restraining the movement direction of the upper arm U-shaped plate;
the upper arm quick-mounting locking mechanism is used for fixing the mutual movement between the upper arm U-shaped plate and the upper arm quick-mounting guide rail after the upper arm U-shaped plate moves in place on the upper arm quick-mounting guide rail.
10. The seven-degree-of-freedom upper limb rehabilitation robot according to any of claims 1-3, wherein the forearm support portion is directly fixed to the forearm extension portion; or,
the forearm support part is connected with the forearm telescopic part in a quick-assembling mode, and the forearm support part comprises: forearm U template, forearm fast-assembling guide rail and forearm fast-assembling locking mechanism, wherein:
the forearm U-shaped plate is an independent U-shaped plate and is used for supporting the forearm of a patient; the front arm U-shaped plate moves along the front arm quick-mounting guide rail;
the forearm fast-assembling guide rail is fixed on the forearm telescopic part and used for restraining the movement direction of the forearm U-shaped plate;
and the forearm fast-assembly locking is used for fixing the mutual movement between the forearm U-shaped plate and the forearm fast-assembly guide rail after the forearm U-shaped plate moves in place on the forearm fast-assembly guide rail.
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Application publication date: 20190111