610 results about "Little finger" patented technology

The invention discloses a multi-freedom wearable robot for hand function recovery. The robot comprises mechanical arms and mechanical fingers; the mechanical fingers consist of a mechanical thumb, a forefinger, a middle finger, a ring finger and a little finger, wherein the forefinger, the middle finger, the ring finger and the little finger have the same structure as that of the thumb; the mechanical forefinger mainly comprises air muscle, a finger end bracket, a first middle connecting piece, a finger front end bracket and a second middle connecting piece which are connected in turn through a connecting rod; the air muscle drives the second middle connecting piece to move through a rigid string so that the finger of a patient makes lituate and adduction exercises; the inside of each connecting piece is provided with a pressure spring; and inside walls of the two connecting pieces are distributed with rolling beads to reduce friction between the connecting rod and the connecting pieces. The invention also provides a control system and an integrated electricity stimulation system of the robot to assist a patient to rebuild muscle function. The robot provides an assisted exercise mechanism for the fingers, has multiple freedom degrees and dimension adjustable movement mechanism, and can effectively assist the patient to finish repeated training of composite exercise for fingers and complicated finger dividing exercise.

An anthropomorphic multi-finger hand device for robot is composed of palm, thumb, forefinger, middle finger, ring finger, little finger, root joint for thumb and the root joints for other fingers. The root joints are active ones driven by motors. Each finger has three joints, and the joints have 11 degrees of freedom in total. All the other joints are under-driven ones. Its advantages are highly integrated level, easy control, small size and light weight.

A batting glove particularly for baseball and softball includes padding along the palmar side of at least the proximal ends of the metacarpals of the ring finger and the small finger. Padding is absent over the hook of the hamate and preferably the carpometacarpal joints of the ring finger and the small finger.

Disclosed herein is a golf glove. The golf glove includes a finger part, a back hand part, a palm part and an opening. The finger part includes a thumb part, a forefinger part, a middle finger part, a ring finger part and a little finger part. The back hand part and the palm part are connected to the finger part and cover the palm and back of the hand of a user. The opening is defined by the back hand part and the palm part. The finger part has at least one cut portion formed by stitching fabric portions on opposite sides of a cut formed in a bottom of a knuckle portion of the finger part. The cut portion can have various shapes. Frictional force between the golf glove and a grip of a golf club can be enhanced by the cut portion.

The invention provides a multi-finger flexible hand of a robot based on a pneumatic flexible driver, which comprises five fingers and a palm, wherein five finger mounting seats are arranged inside the palm; the five fingers are a thumb, a forefinger, a middle finger, a ring finger and a little finger respectively; a bent joint comprises the pneumatic flexible driver, a hinge rotary pair and two positioning plates; two sides of the hinge rotary pair are fixedly connected with the positioning plates; a front end closure and a rear end closure of the pneumatic flexible driver are fixedly connected with the two positioning plates; a side-sway joint comprises two pneumatic flexible drivers and an axial telescopic hinge; the axial telescopic hinge is a telescopic rotary pair formed by two movable components through a gain structure; the movable components are connected with front end closures and rear end closures of the pneumatic flexible drivers; and axial lines of the two pneumatic flexible drivers are parallel and vertical to the axial line of a hinge pin roll. The multi-finger flexible hand has the advantages of simple structure, good flexibility and good applicability.

The invention discloses a hand exoskeleton device for rehabilitation training. The hand exoskeleton device comprises an opisthenar mechanism, a power source, an index finger exoskeleton, a middle finger exoskeleton, a ring finger exoskeleton, a little finger exoskeleton and a thumb exoskeleton. The opisthenar mechanism comprises an opisthenar platform, a motor support and a screw support. The power source comprises an index finger part, a middle finger part, a ring finger part and a little finger part. The index finger exoskeleton, the middle finger exoskeleton, the ring finger exoskeleton and the little finger exoskeleton each comprise a connecting rod, a far knuckle support, a transition connecting rod, a middle knuckle support, a transmission connecting rod, a driving connecting rod and a near knuckle support. The thumb exoskeleton comprises a thumb driving rod, a thumb transmission rod, a thumb connecting rod, a thumb near knuckle support, a thumb far knuckle support, a thumb motor, a thumb screw rod, a thumb sliding block, a thumb screw rod support, a thumb sliding block connecting rod, a thumb motor support and a thumb back platform. The whole device is light, low in cost and easy to assemble, and solves the problems that in an existing hand rehabilitation device, all fingers are not independent from one another, the bending angle is limited, fine actions are difficult to achieve, and cost is high.

A bionic robot under-driven flexible hand device belongs to the technical field of anthropomorphic robot, and mainly comprises a thumb, a forefinger, a middle finger, a ring finger, a little finger and a palm. The device is provided with five independently controller fingers and fifteen joint freedoms, and is controlled by ten motors. The structures of four fingers (the forefinger, the middle finger, the ring finger and the little finger) are same. The variable initial configuration of finger and special effect of partial-coupling self-adapting grasping are realized through double motors, a transmission mechanism, a flexible component and reed component. The four fingers bend the second middle finger segment before grasping an object and the bottom finger segment bends for obtaining an excellent grasping preparing gesture. The robot hand is closer to man hand. The device of the invention has the advantages of compact structure, high integrity, external appearance, dimension and shape closer to man hand, capability for stably grasping and automatically adopting for objects with different shapes and dimensions. The device of the invention is used for anthropomorphic robot.

The invention provides an exoskeleton-type hand function rehabilitation robot, relates to medical instruments applied in injured finger rehabilitation, and aims to solve the problems that according to an existing hand function optimizing and recovering manner, hand rehabilitation is difficult, the rehabilitation period after treatment is long and hand functions are influenced. The exoskeleton-type hand function rehabilitation robot comprises an exoskeleton finger drive mechanism, a self-adaptive dorsal metacarpal adjusting platform and a rear artificial muscle module. The exoskeleton finger drive mechanism comprises an exoskeleton thumb, an exoskeleton index finger, an exoskeleton middle finger, an exoskeleton ring finger and an exoskeleton little finger. Proximal interphalangeal exoskeleton joints are arranged between metacarpophalangeal exoskeleton joints and distal interphalangeal exoskeleton joints, and the proximal interphalangeal exoskeleton, the metacarpophalangeal exoskeleton joints and the distal interphalangeal exoskeleton joints are in slidable connections detachably. The self-adaptive dorsal metacarpal adjusting platform covers the upper surface of the exoskeleton finger drive mechanism, and the self-adaptive dorsal metacarpal adjusting platform and the exoskeleton finger drive mechanism are in slidable connections detachably. The exoskeleton-type hand function rehabilitation robot is applied in injured finger rehabilitation.

The invention discloses a mechanism of a humanoid robot hand, which is composed of a palm, five fingers and a mechanical interface. The five fingers are installed on the palm, and the root of the palm is provided with a mechanical interface. The connection between the mechanism and the robot arm. In the humanoid robotic hand mechanism of the present invention, the thumb and forefinger each have a degree of freedom and are respectively driven by a motor; the middle finger, ring finger and little finger share a degree of freedom and are driven by the same motor, and the transmission of the three fingers adopts the same modular design, The only difference lies in the length of the distal knuckles of the three fingers. The first two joints of the index, middle, ring, and little fingers are kinematically coupled individually. There is a motion decoupling device at the connection shaft between the proximal knuckles of each finger and the palm. When the proximal knuckles of the fingers are blocked from touching the object, the other knuckles can continue to move to complete the envelope grasping of the object.

A pneumatically artificial muscle driven flexible manipulator simulating human hand is composed of the bones of index finger, middle finger, ring finger and little finger and consisting of three units, the thumb bone consisting two units, thumb linking palm, middle palm, little finger linking palm, and artificial tendons. The hand bone system has 21 joints and 17 freedoms.

The invention provides a bionic artificial hand. The bionic artificial hand comprises a palm part, a finger part, and a thumb-index web part, the finger part includes a forefinger assembly, a middle finger assembly, a ring finger assembly, a little finger assembly, and a thumb assembly, wherein the forefinger assembly, the middle finger assembly, the ring finger assembly, and the little finger assembly are respectively connected to the upper end of the palm part in a detachable manner, the thumb-index web part is vertically and rotatably connected to the inside of the palm part, and the thumb assembly is detachably connected to the thumb-index web part. According to the bionic artificial hand, the thumb assembly can internally or externally rotate, and the forefinger assembly, the middle finger assembly, the ring finger assembly, the little finger assembly and the thumb assembly can be stretched or bent. The bionic artificial hand is light in weight and convenient for long time wearing and use for patients.

This disclosure includes a hand motion-capturing device with a force feedback system. In some embodiments the device includes a base, a microcontroller connected to the base, a thumb sensor module and four-finger sensor modules each electrically connected to the microcontroller. In some embodiments, the device may include five-link rods that interconnect the thumb sensor module to the base and each of the four-finger sensor modules to the base. In some embodiments, the device includes a thumb force feedback system adapted and configured to receive a human thumb and a four-finger force feedback system adapted and configured to receive an index finger, a middle finger, a ring finger, and a little finger. The thumb force feedback system and the four-finger force feedback system may each be movably connected to respective link rods and the thumb sensor module and four-finger sensor modules, respectively.

The invention discloses a fingerprint permutation and combination password, which comprises a fingerprint permutation and combination method. The fingerprint permutation and combination password is put into a chip to be integrated into a computer, a mobile phone, an identity card, a bank card, various door locks and the like, and the program authentication and identification of the computer (mobile phone) is carried out. The method comprises the following steps of: independently marking the fingerprints of left fingers as 1,2,3,4 and 5 from a thumb to a little finger, independently marking the fingerprints of right fingers as 6,7,8,9 and 0 from a thumb to a little finger, and carrying out permutation and combination on the fingerprints to obtain the fingerprint permutation and combination password. According to the method, the fingerprints can be subjected to permutation and combination again to obtain a new fingerprint password, a user does not need to worry about that the fingerprints are stolen, and the fingerprint permutation and combination password can be used alone. Under triple protection that fingerprints, fingerprint combination and software need to be authorized by a fingerprint combination password, the fingerprint combination password fingerprint permutation and combination password can not be easily cracked.

The invention discloses a bipolar coagulation clean cover for brain operation. The bipolar coagulation clean cover is characterized by comprising an one-piece three-finger cover, wherein a clean layer is arranged outside a finger clamp of the one-piece three-finger cover; the clean layer is a frictional surface with spots; a little finger ring cover is arranged at one side of the one-piece three-finger cover; and the length of the little finger ring cover is smaller than the length of the one-piece three-finger cover. The bipolar coagulation clean cover has the advantages that points of bipolar coagulation forceps are rubbed by the cleaning layer at the finger clamp in the operation; adhesion materials on the surface of a cleaner are cleaned, then the cleaned bipolar coagulation forceps can be put into use, thereby greatly reducing the time for cleaning the bipolar coagulation forceps in the whole operation, and the operation speed is improved.

An ambidextrous glove that includes a thumb region, an index finger region, a middle finger region, a ring finger region and little finger region all aligned along a common axis. The index finger region is rotated through ninety degrees relative to the orientations of all of the middle, ring and little finger regions to provide for easier insertion of a hand into the glove. A textured pattern is provided on the surfaces of the glove used to grip objects. The pattern is one of a raised fan shape and raised diamond shape.

A glove for baseball or softball includes a thumb stall receiving a thumb, an index finger stall receiving an index finger, a middle finger stall receiving a middle finger, a ring finger stall receiving a ring finger, a little finger stall receiving a little finger, a back portion located on a back surface and covering the back of a hand, a web portion provided between the thumb stall and the index finger stall, and a hand inserting portion for inserting a hand into the glove. On the back surfaces of the index finger stall, the middle finger stall and the ring finger stall, thin leather portions are provided, which are curved toward the thumb stall on the back portion.

The invention relates to an underactuated humanoid dexterous robotic hand device, which is provided with five independently controlled modular fingers and has 16 freedom degrees. The whole hand is driven by 11 motors; the dimension and the shape are similar to those of the hand of an adult. Except for a thumb, the other four fingers have the completely identical structures; the thumb has one freedom degree of doing longitudinal rotation around the palm base; through the arrangement of a rotating shaft, when the whole hand grasps objects, the grasping force of the forefinger, the ring finger and the small finger on the objects can be in symmetrical distribution at the two sides of the middle finger; the grasping stability is improved. Modular fingers are used; the two motors are respectively used for driving a finger base part joint, a middle joint and a tail end joint; the middle joint and the tail end joint are coupled by a structure-variable connecting mechanism; through a connecting rod mechanism, the relative positions of the two coupled finger joints after the contact with the objects can be actively regulated, so that the fingers can wrap the objects according to the shape of the grasped objects; the self adaptability to the appearance of the objects is high; the grasping action better conforms to the human hand. The structure of the whole hand is simple; the grasping force is great; the grasping rigidity is high; the control is simple; the grasping self adaptability is high; the underactuated humanoid dexterous robotic hand device is applicable to the fields of disabled people artificial hands, explosive handling, nuclear equipment detection and humanoid robots.

A grip comprises a grip body forming a gripping control portion of a manually operable device to be held with the operator's palm and fingers. The grip body includes a ball-receiving surface coming into contact with the ball of the thumb, a palm-receiving surface coming into contact with a middle portion of the palm and the ball of the little finger, a finger-receiving surface coming into contact with the fingers, an open surface positioned between the tips of the fingers and the ball of the thumb for receiving the thumb when the grip body is held, and a switch mounted on a top portion of the grip body to be operable with the thumb. The grip body further comprises a thumb-guiding portion in the form of a shallow groove formed at an upper part of the ball-receiving surface of the grip body, the inside of the first joint of the thumb being placed along the thumb-guiding portion when the switch is operated, and a rising portion formed on at least either one of portions between the thumb-guiding surface and the open surface and between the thumb-guiding surface and the palm-receiving surface for applying resistance when the operator's hand advances into the switch.

The invention discloses a mechanical simulated hand with multi-degree of freedom. The mechanical simulated hand comprises five fingers including a thumb, an index finger, a middle finger, a ring finger and a little finger, and the five fingers are connected with a base mechanical palm. The index finger, the middle finger, the ring finger and the little finger are identical in structure and provided with two bending and stretching degrees of freedom, and each of them comprises a housing, a finger root, a finger tip and a transmission connecting rod; a motor and a transmission worm gear worm are mounted in the housing; one end of the transmission worm gear worm is connected with an output shaft of the motor, the other end of the transmission worm gear worm is rotationally connected with one end of the finger root, and the other end of the finger root is rotationally connected with the rear section of the finger tip; one end of the transmission connecting rod is rotationally connected with the housing, and the other end of the transmission connecting rod is rotationally connected with the inner side of the rear section of the finger tip. The mechanical simulated hand with multi-degree of freedom is simple and convenient in technical operation, and abundance finger motion abilities such as clenching, key and ball holding can be provided for patients in limited space by the aid of computer control.