1041 results about "Middle finger" patented technology

An ultrasonic clamp coagulator assembly that is configured to permit selective cutting, coagulation, and fine dissection required in fine and delicate surgical procedures. The assembly includes a clamping mechanism, including a clamp arm cam-mounted at the distal portion of the instrument, which is specifically configured to create a desired level of tissue clamping forces. The balanced blade provides a functional asymmetry for improved visibility at the blade tip and a multitude of edges and surfaces, designed to provide a multitude of tissue effects: clamped coagulation, clamped cutting, grasping, back-cutting, dissection, spot coagulation, tip penetration and tip scoring. The assembly also features hand activation configured to provide an ergonomical grip and operation for the surgeon. Hand switches are placed in the range of the natural axial motion of the user's index or middle fingers, whether gripping the surgical instrument right-handed or left handed.

A control system for operation of a remote vehicle comprises a twin-grip hand-held controller having a volume of less than 1 liter and a weight of less than 1 lb. The twin-grip hand-held controller includes: a left grip shaped to be held between a user's left little finger, ring finger, and the ball of the thumb, leaving the user's left index finger, middle finger, and thumb free; a left control zone adjacent to the left grip, including a first analog joystick and a first 4-way directional control manipulable by the left thumb, and a left rocker control located on a shoulder portion of the controller; a right handed grip shaped to be held between the user's right little finger, ring finger, and the ball of the thumb, leaving the user's left index finger, middle finger, and thumb free; a right control zone adjacent the right grip, including a second analog joystick and a second 4-way directional control manipulable by the right thumb, and a right rocker control located on a shoulder portion of the controller; a tether zone between the left control zone and the right control zone, including a tether anchor configured to tether the hand controller between the left grip and the right grip and to permit the hand controller to hang with the left grip and right grip pointing upward; a tether extending from the tether anchor to the right shoulder of an operator, the tether including a strain relief section. A quick-release pad is worn on an operator's chest, the quick-release pad including a first fastener for affixing the quick-release pad to available mounts on the operator, and a second quick-release fastener for holding the hand-held controller to the quick-release pad to be readily removable by pulling on the hand-held controller.

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 accessory for improved comfort and security of grasping of a handheld electronic device is disclosed. In a preferred embodiment, the accessory comprises TYVEK® material, or paper-like material made from synthetic fibers that has significant strength properties and repels water. The paper-like material is rolled to form a first loop that is configured to receive an index finger of a user. Also in a preferred embodiment, a second loop is formed to receive a middle finger. The accessory makes holding the electronic device easier and further a user has more freedom to operate the device with a thumb without losing secure grasp of the device. In yet a separate embodiment, the invention may be incorporated into an exterior protective case of the device.

An improved controller (10) for a game console that is intended to be held by a user in both hands in the same manner as a conventional controller (1), which has controls on the front operable by the thumbs (2), (3), (4), (5), and has two additional controls (11) located on the back in positions to be operated by the middle fingers of a user.

The invention discloses a wearable hand exoskeleton rehabilitation training robot. The wearable hand exoskeleton rehabilitation training robot comprises a hand fixing device which is fixed with a hand back and a wrist, wherein the hand fixing device is connected with a thumb rehabilitation system and a four-finger rehabilitation system; the thumb rehabilitation system comprises a thumb power source and a thumb mechanism connected with the thumb power source; the four-finger rehabilitation system comprises a four-finger linear motor, an index finger mechanism, a middle finger mechanism, a ring finger mechanism and a little finger mechanism which are connected with the four-finger linear motor; the thumb mechanism, the index finger mechanism, the middle finger mechanism, the ring finger mechanism and the little finger mechanism are respectively connected with all joints of the fingers; pressure sensors are arranged at the connecting ends; the thumb rehabilitation and the four-finger rehabilitation system are driven by a thumb middle motor, a thumb linear motor and a four-finger linear motor to move, so as to drive the fingers to perform exoskeleton rehabilitation training. The device is small in size, intelligent, easy to wear and good in portability.

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.

An improved sports glove covering the index finger, middle finger, thumb, a portion of the palm, and a portion of the wrist of a human hand is disclosed. The pinky finger and ring finger, and a portion of the palm and a portion of the dorsal side of the hand are left uncovered with the glove of the present invention, which allows for greater aeration throughout the glove during use and greater control when gripping a sporting implement such as a tennis racquet handle, a golf club handle, or the like.

Belonging to the technical field of anthropomorphic robots, a variable holding power underactuated modularized anthropomorphic robot multi-finger hand device with belt wheels mainly comprises a thumb, a index finger, a middle finger, a ring finger, a little finger and a palm; the structures of the middle finger, the ring finger, the little finger and the index finger are the same, and each finger applies a motor to drive three joints to rotate; the palm applies a motor to drive the root of the thumb to sway sidewise and rotate, and the thumb applies a motor to drive two joints to rotate. The device has five independently controlled fingers, fifteen joint freedom degrees, six driving joints and nine underactuated joints; each underactuated joint applies the same modularized structure, the motors and the transmission mechanisms are hidden into the hand, the structure is simple, the weight is light, control is easy, and the degree of integration is high; the appearance, size and motion of the whole device imitate a human hand, and the device, which is suitably used on an anthropomorphic robot, can automatically grasp objects with different shapes and sizes and can change the holding power to grasp objects.

The invention discloses a fixed exoskeleton rehabilitation training manipulator, which comprises a wrist support, a thumb, a power source, a forefinger, a middle finger, and so on, wherein the power source is fixed on the wrist support, and the thumb, the forefinger and the middle finger are all connected with the power source. The fixed exoskeleton rehabilitation training manipulator disclosed by the invention has the advantages of small volume, ingenious design, intelligentization and good operating performance. The manipulator is powered by driving a feed screw nut through a motor, has simple structure, and is easy for implementation. The hand exoskeletons bear weight through the support part, so as not to be burdensome on patients. Also, the manipulator provides multi-freedom movement, and can complete more and more skillful rehabilitation training actions.

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 discloses a hand and wrist exoskeleton rehabilitation training device, comprising a wrist, a thumb, a power source, an index finger, a middle finger and a ring finger, wherein the power source is fixed on the wrist, and the thumb, the index finger, the middle finger and the ring finger are respectively connected with the power source. A motor drives a feed screw nut, so that the rehabilitation training device obtains power; the rehabilitation training device is simple in structure and easy to implement; weight of hand exoskeleton is born by a support part, so that a patient has no burden; and the rehabilitation training device realizes movements with more degrees of freedom, and can complete more and more skillful rehabilitation training actions.

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.

The invention relates to a dual-motor drive cooperatively-controlled under-actuated manipulator. The dual-motor drive cooperatively-controlled under-actuated manipulator is composed of a driving component and two under-actuated finger components. Each finger component is composed of a finger root joint, a middle finger joint and a fingertip joint. Two stepper motors convert rotational motion into linear motion through a leading screw and nut mechanism and push the finger root joints and the middle finger joints of the two finger components. The fingertip joints overcome the torsion spring action by adopting the under-actuated principle. The dual-motor drive cooperatively-controlled under-actuated manipulator is optimally designed according to the characteristics of to-be-grabbed objects which are inconsistent in shape and size or loose, soft, hard and brittle in material and is applied to the occasions where the shape and size change needs to be met, the grabbing force needs to be strictly controlled, and reliable grabbing of the objects needs to be ensured; and the under-actuated manipulator belongs to the technical field of robot and mechanical and electrical integration application and is connected with a robot body and especially suitable for grabbing, sorting and the like of food, agricultural products and light industrial products in the production and logistics fields.

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 relates to a smart under-actuated bionic robot finger device with parallel-connected tendon ropes, which belongs to the technical field of anthropomorphic robots. A diarticular finger device comprises a pedestal, a first motor, a second motor, a juxta-articular shaft, a first finger segment, a distal-articular shaft, an tail end finger segment and a return spring. The device also comprises a first rope wheel, a second rope wheel, a third rope wheel, a first tendon rope, a second tendon rope and a third tendon rope. A polyarticular finger device also comprises at least one middle finger segment and at least one middle rope wheel. The device comprehensively realizes the special effect of combining finger original configuration variability and self-adaptive grasp by utilizing the motors, the rope wheels, the tendon ropes and the return spring. The device can flexibly bend the middle joints of fingers before grasp to achieve a stable and anthropomorphic prebent gesture and grasps an object in a self-adaptive under-actuated mode when in grasp. The grasping action of the device more approaches to a human hand, and the device can self-adaptively and stably grasp different objects and is applicable to an anthropomorphic robot hand.

The invention provides an ergonomic handle for precision, surgical, and dental tools including electro-surgical devices and surgical devices used in microsurgery designed to facilitate the positioning of the user's hand grip comprising a longitudinally extending body substantially oval in cross-section and being provided with four, substantially concave indentations positioned towards the proximal end of the handle, a first concave indentation being provided along a top surface of the handle, second and third indentations being provided along lateral surfaces, and a fourth indentation being provided along the bottom surface of the body respectively and positioned relative to each other to provide a contiguous interface respectively with the user's thumb, index finger and middle finger.

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.

The invention relates to an analog robot, comprising the elastic lever structure and the finger gap difference structure. The finger structure part introduces the length changeable spring lever structure, realizing self adaptation to random article surface, getting rid of the insufficient flexibility of the middle finger, through gear or rack to drive the rotary movement of the motor to linear movement, one end of the active rack connected to a gear, which is teething with two passive racks simultaneously and two passive racks connected to fingers to complete the grasp of the finger through the back and forth movement of the passive racks to as to improve the force distribution between fingers with less power loss and for the benefit of robot miniaturization.

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.

A soft piece coupling type handyman finger device belongs to the technical field of anthropomorphic robot hands, and comprises a base, a middle finger section, a tail end finger section, a joint close shaft, a joint far-away shaft, a soft piece transmission mechanism, two sets of motors and a reducer. The soft piece coupling type handyman finger device achieves four two-degree-of-freedom capture modes: (1) a double-joint coupling rotating capture mode; (2) a double-joint independent rotating capture mode; (3) a mode of double-joint independent rotating capture after double-joint coupling rotation; and (4) a mode of double-joint coupling rotating capture after double-joint independent rotation. The soft piece coupling type handyman finger device can not only achieve the coupling effect that a single motor drives a plurality of joints to simultaneously rotate achieved by a traditional coupling finger, but also have the decoupling capture effect which does not exist in the traditional coupling finger, achieves by independently rotating a single joint and is easy to control when capturing an object. All motors and reducer are hidden in the base, and the finger rotation portion is small in volume and light in weight.

The invention relates to a finger device of a double-joint parallel under-actuated robot, belonging to the technical field of human simulation robot hands and comprising a pedestal, an electric motor, a reducer, a near joint shaft, a middle finger section, a far joint shaft, an end finger section, a coupling transmission mechanism, an under-actuated transmission mechanism and a plurality of springs. The device comprehensively realizes the fusion of a coupling grasping effect and a self-adaptive under-actuated grasping effect by adopting the electric motor, the coupling transmission mechanism, the under-actuated transmission mechanism and a plurality of springs, i.e. the effect of multi-joint coupling rotation is presented before the fingers touch an object, thereby being exceedingly anthropomorphic and simultaneously being also beneficial to grasping the object by a pinching mode; the effect of a multi-joint under-actuated mode is adopted after the fingers touch the object, thereby having the advantage of the self adaption to the size dimensions of the grasped object and simultaneously being beneficial to grasping the object by a holding mode; in addition, the device has low cost and easy control; the appearance and the motion are similar to those of hands, and therefore, the finger device is suitable for the human simulation robot hands.

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.

The invention discloses a minimally invasive surgical robot master control data glove comprising a hand position mechanism, the hand position mechanism comprises a base and a four-bar mechanism; the four-bar mechanism comprises an upper arm, an upper forearm, a lower forearm and a lower arm hinged in sequence; a tail end joint is arranged on the hinge shaft between the upper forearm and the lower forearm; a hand control mechanism is arranged on the tail end joint; the hand control mechanism comprises an arm control mechanism, a wrist joint control mechanism and a palm sequentially connected in series, a thumb control mechanism, an index finger control mechanism and a middle finger control mechanism are connected on the palm in parallel, and each parallel connecting position is provided with a joint shaft; both the arm control mechanism and the wrist joint control mechanism are provided with joint shafts; each joint shaft is connected with a potentiometer. The invention is used for collecting the position signals of human hand moving in a three-dimensional space and the acting signals of the thumb, index finger, middle finger of hand, the wrist joint and the arms, and is applicable to control a minimally invasive surgical robot multifunctional tail end tool to carry out robot enterocoelia and thoracic cavity part minimally invasive surgery.

The invention relates to a finger device of a double-joint parallel under-actuated robot, belonging to the technical field of human simulation robot hands and comprising a pedestal, an electric motor, a reducer, a near joint shaft, a middle finger section, a far joint shaft, an end finger section, a coupling transmission mechanism, an under-actuated transmission mechanism and a plurality of springs. The device comprehensively realizes the fusion of a coupling grasping effect and a self-adaptive under-actuated grasping effect by adopting the electric motor, the coupling transmission mechanism,the under-actuated transmission mechanism and a plurality of springs, i.e. the effect of multi-joint coupling rotation is presented before the fingers touch an object, thereby being exceedingly anthropomorphic and simultaneously being also beneficial to grasping the object by a pinching mode; the effect of a multi-joint under-actuated mode is adopted after the fingers touch the object, thereby having the advantage of the self adaption to the size dimensions of the grasped object and simultaneously being beneficial to grasping the object by a holding mode; in addition, the device has low cost and easy control; the appearance and the motion are similar to those of hands, and therefore, the finger device is suitable for the human simulation robot hands.