53 results about "Thumb joint" patented technology

The invention relates to a portable multi-mode controlled hand function rehabilitation training device, wherein a four-fingered driving mechanism and a four-fingered reducing mechanism are arranged on a thumb plate; a thumb driving mechanism and a thumb reducing mechanism are arranged on the thumb plate; the four-fingered driving mechanism is connected with a connecting rod mechanism by the four-fingered reducing mechanism; the connecting rod mechanism is connected with a curved chute mechanism and a self-adaption finger adjusting mechanism; the curved chute mechanism is driven by the four-fingered driving mechanism, so that the movement of metacarpal joints and the movement of proximal phalangeal joints are realized; the thumb driving mechanism is connected with a thumb driving connecting rod mechanism by the thumb reducing mechanism; the driving connecting rod mechanism is connected to a thumb curved chute mechanism; the front end of the thumb curved chute mechanism is connected with a non-elastic bandage for thumbs; the thumb driving mechanism drives the thumb curved chute mechanism to prompt thumb joints to move. According to the portable multi-mode controlled hand function rehabilitation training device, two micro-motors are used for realizing single training of thumbs, and joint training and grabbing training of four fingers; the independent movements of thumb metacarpophalangeal joints, four-finger metacarpophalangeal joints and proximal phalangeal joints under a simple structure are realized.

A multi-purpose glove includes protective or shock absorbing padding over the pulleys and tendons of the boney prominences of the fingers and thumb between adjacent joints of the boney prominences or phalanxes. The center axis of rotation of the individual joints are provided with expandable material positioned to overlie specific finger and thumb joints thereby defining motion or flexion zones at these joints.

The invention relates to a rehabilitation training therapeutic instrument, which is mainly used for hand of patients with hemiplegia at early stage and which can realize the movement of joints of hand, automatic operation and personalized rehabilitation training. The rehabilitation training therapeutic instrument is provided with an arm bracket, a hand bracket, a palm support, a thumb support, a wrist joint driving device, a palm thumb joint driving device, a thumb joint driving device, a forefinger joint driving device, a middle finger joint driving device, a ring finger joint driving device, a little finger joint driving device and a steering engine control device. With the rehabilitation training therapeutic instrument, various movement parameters can be input and set from a human-computer interface and a training proposal can be mapped out and put into effect subsequent to confirmation, or one of the stored movement proposals can be directly selected and put into effect. A variety of steering engines can be controlled via the steering engine control device, and can perform, by means of respective transmission mechanisms, independent or combined corresponding rehabilitation movements on wrist joint, palm thumb joint and finger joints.

The invention discloses an under-actuation exoskeleton recovery mechanical hand which comprises a thumb joint assembly, an index finger joint assembly, a middle finger joint assembly, a ring finger joint assembly, a little finger joint assembly, a motor first assistant supporting plate, a finger bend-stretch drive motor set, a finger sway drive motor set, a motor second assistant supporting plate, a palm assembly and a palm fixer, wherein the thumb joint assembly, the index finger joint assembly, the middle finger joint assembly, the ring finger joint assembly and the little finger joint assembly are connected to the palm assembly; and the mechanical hand can be used to achieve recovery training of five fingers of a patient and can also achieve bending, unbending and left-right swaying of a single finger. An under-actuation form is adopted; the single finger is driven by two motors; the freedom degree is lower than the freedom degree of the single finger; power is transmitted by a flexible belt and a rope; and the mechanical hand is characterized by a simple structure, lower control complexity and higher motion flexibility.

A thumb function rehabilitation exoskeleton robot relates to exoskeleton robots. The thumb function rehabilitation exoskeleton robot solves the problem that existing rehabilitation mechanical arm cannot thoroughly simulate natural motions of finger joints, is poor in rehabilitation treatment effects and lacks a sensing function. According to the thumb function rehabilitation exoskeleton robot, an interphalangeal joint unit and a metacarpophalangeal joint unit drive thumb joints and metacarpophalangeal joints to bend or stretch through flat guide rod mechanisms; a thumb carpal joint unit is centered to the carpal joint of a thumb directly through a metacarpal adjustment mechanism to achieve contracting or extending motions of the carpal joint; a transmission driving mechanism is powered by a direct current motor; a cable reel module transfers the moment output by the direct current motor to the interphalangeal joint unit, the metacarpophalangeal unit and the carpal joint unit through Bowden cables. The thumb function rehabilitation exoskeleton robot is applicable thumb function rehabilitation.

Basal thumb joint implant has a head with a smooth, generally hemispherical, medio-proximally directed, articulating surface, and a generally abrupt, distally directed, truncation thereto; and a stem attached to the head, which arises from the truncation of the head and includes at least one of the following features:

• • A) a general angle of attachment to the head which is acute in relation to the truncation of the head;
  • B) a flanged cross-sectional stem profile;
  • C) an inwardly curved stem;
  • D) an eccentric head attachment site for the stem.

The implant may be one-piece or modular in construction. The modular basal thumb joint implant, however, which is not necessarily limited by requiring inclusion of the aforesaid additional features A-D, includes a head with a smooth, generally hemispherical, medio-proximally directed, articulating surface, a generally abrupt, distally directed truncation thereto, and a stem trunion-receiving cup in the truncation; and a stem attachable to the head, which stem has intracarpal spike-like distal end, and a proximally directed trunion, which trunion is insertable into the stem trunion-receiving cup of the head. Other digits may be provided with analogous implants, particularly with respect to those digital implants amenable to modularity.

The present invention provides a rigidity-flexibility coupled extensible joint type soft exoskeleton glove and a finger rehabilitation training method of the rigidity-flexibility coupled extensible joint type soft exoskeleton glove. The glove comprises a glove body, the glove body comprises a hand back area, a hand center area and a finger area, at least one of a forefinger joint rehabilitation soft exoskeleton, a middle finger joint rehabilitation soft exoskeleton, a ring finger joint rehabilitation soft exoskeleton, a little finger joint rehabilitation soft exoskeleton and a thumb joint rehabilitation soft exoskeleton is arranged in the finger area, a soft exoskeleton glove base seat is arranged in the hand center area and fixed on a hand palm, an inflation control module is arranged inthe hand back area, the five finger joint rehabilitation soft exoskeletons are separately fixed on the soft exoskeleton glove base seat through a pressing plate, and the five finger joint rehabilitation soft exoskeletons separately communicate with the inflation control module through an inflation pipe. The rigidity-flexibility coupled extensible soft exoskeleton glove is high in position rigidity, large in bearing capacity and large in effective driving range, and can also drive a single finger to move.

The invention relates to the technical field of novel services and bionic robots, in particular to a light-weight humanoid five-finger dexterous hand mechanism. Including palm, thumb mount, thumb, index finger, middle finger, ring finger and little finger, wherein the thumb is mounted on the palm through the thumb mount, the index finger, middle finger, ring finger and little finger are mounted on the palm in turn, and the thumb contains two joints , has two degrees of freedom, the index finger, middle finger, ring finger and little finger all contain three joints, all have three degrees of freedom, the joints of the thumb, index finger, middle finger, ring finger and little finger respectively pass through a braking element Connected wire rope drive. The invention is light, dexterous, has many degrees of freedom, good flexibility, high transmission efficiency, simple mechanism and low manufacturing cost, and is suitable for prosthesis production, research on control methods of scientific research institutions, and the like.

The invention belongs to the technical field of rehabilitation training instruments, particularly relates to a hand rehabilitation device based on a spherical connecting rod mechanism, and a hand thumb control device, and aims to solve the problems that an existing hand rehabilitation device is poor in flexibility and compatibility. According to the hand thumb control device disclosed by the invention, a movement compatibility scheme of three-degree-of-freedom independent driving of a thumb is provided, a two-degree-of-freedom driving mechanism is designed by adopting the spherical connecting rod mechanism and a gear and rack mechanism, and two-degree-of-freedom independent driving of a CMC joint of the thumb is realized; a PRRP space mechanism is adopted to design a motion compatibility mechanism of the thumb CMC joint, the adaptive capacity of the thumb CMC joint can be achieved, and the wearing comfort is improved; and according to the scheme provided by the invention, each finger can move independently, so that the flexibility of the fingers is greatly improved, and motion forms such as spherical mastering, two-fingertip pinching and multi-fingertip pinching are realized.

The invention relates to a cord transmitted 3D printing prosthetic arm, and belongs to the technical field of medical equipment. The cord transmitted 3D printing prosthetic arm comprises an upper arm shell, a lower arm shell, a palm shell, elastic lines, traction lines, finger joints and finger front ends, the upper arm shell is provided with cord fixing holes and fixing bandages, and the upper arm shell is movably connected with the lower arm shell through concentric circle screws; the lower arm shell is provided with threading holes and two fixing bandages, and the lower arm shell is movably connected with the palm shell through concentric circle screws; the palm shell is internally provided with five wiring channels, the side face of the palm shell is provided with the thumb joint, and the thumb front end is movably connected to one side of the thumb joint through concentric circle screws; the front end of the palm shell is provided with four finger joints; the lower portion of each finger joint is movably connected with the front end of the corresponding finger through a concentric circle screw. The prosthesis obtained through a 3D printing technology is simple in structure, reliable in performance, convenient to master and use, low in price and capable of being used at home commonly.

The invention relates to a robot bionic finger, comprising a palm component that is connected with four common finger components and a thumb component. The thumb component comprises a thumb tail joint, a thumb middle joint and a thumb tip joint which are connected in sequence; an independent swing mechanism is arranged in each of the three thumb joints for the purpose of driving; the three swing mechanisms can drive the three thumb joints to bend and wing to the longitudinal axis of the palm; the thumb tip joint is connected with a second rotating mechanism that may drive the whole thumb component to rotate along the transverse axis of the palm; the second rotating mechanism is connected with a first rotating mechanism that may drive the whole thumb component to rotate along the longitudinal axis of the palm. The robot bionic finger has high flexibility; the thumb component has five degrees of freedom and is available for independent control; the thumb component can cooperate with other finger components to arrive at the moves, such as opening and closing of the part of the hand between the thumb and the index finger, flexible nipping of each finger, fist making, palm standing, andgrabbing.

A prosthesis member of a joint prosthesis for a thumb joint comprises a screw-like part (4) and an articulating socket element (6) with a mounting pin (9) which is insertable into a hole (8) in the screw-like part for attaching the articulating socket element thereto. The screw-like part (4) of the prosthesis member (2) is configured with a first fixing portion (15) which is provided with a first external thread (17) for attachment by screwing and fastening of said prosthesis member to the hard outer part (T1) of the trapezium (T), and a second fixing portion (18) having a less diameter than the diameter of the first fixing portion and being provided with a second external thread (19) which is configured to permit attachment by screwing and fastening of said prosthesis member to the soft inner part (T2) of the trapezium. The first fixing portion (15) is provided with a surface (20) which connects the threads (17, 19) on said fixing portions (15, 18) to each other and which converges substantially arcuate towards the second fixing portion (18). Hereby, optimum fixation of the prosthesis member (2) in the trapezium (T) is achieved.

The invention relates to a wrister used for medical rehabilitation. The wrister comprises a wrister main body, a locking rotary knob, fixing belts, pull ropes, lining cloth, a thumbstall and a fastening belt, wherein the wrister main body is semi-cylindrical and is fixedly sewn together with two side edges of the lining cloth; a tensioning system reinforcing area is fixedly arranged at the edge ofone side of the wrister main body, and the plurality of fixing belts are fixedly arranged on the tensioning system reinforcing area; a locking rotary knob reinforcing area is fixedly arranged at theedge of the other side of the wrister main body, the locking rotary knob is fixedly mounted in the middle part of the locking rotary knob reinforcing area, the thumbstall is arranged on the left sideor the right side of the upper part of the wrister main body, and the fastening belt is fixedly connected to the tail end of the thumbstall and winds and is fastened to the thumb. For the wrister usedfor medical rehabilitation, the stable fixing technology is adopted, the wearing is convenient, the tightness is moderate and adjustable, the use is safe and reliable, the thumb joint is effectivelyprotected, meanwhile, the wrist joint and other metacarpophalangeal joints also can be effectively protected, and thus the demands of patients are satisfied.

The invention discloses a hand/thumb joint linkage unit which is mainly provided with a palm body, a plurality of finger modules and a thumb module, wherein the thumb module and the finger modules are arranged on the palm body; a plurality of knuckles capable of doing joint movement are arranged; the knuckles are mutually connected by connecting rods; and a single actuator can simultaneously drive all the knuckles to move, therefore, a manipulator can do multi-joint and multi-degree-of-freedom gesture movement.

The invention discloses an intelligent portal positioning blood oxygen instrument. The intelligent portal positioning blood oxygen instrument has a finger sleeve type body ring equipped with a signal collection device, a signal processing device and a number displaying device. A human body signal collected by the signal collection device is processed by the signal processing device in a calculation way into pulse rate and blood oxygen saturation degree measuring values and then is displayed via the number displaying device; during the use, as long as the finger sleeve type body ring sleeves a thumb joint of a user, the signal collection device on the body ring can collect the human body signal ad transmit the human body signal to the signal processing device for calculation and processing; and the user can see the pulse rate and the blood oxygen saturation degree measuring values via the number displaying device. The intelligent portable positioning blood oxygen instrument can be comfortably worn and has thorough contact with a human body detection part; small measuring errors are caused; and the intelligent portable finger ring blood oxygen instrument has auxiliary functions of positioning and health-caring.

The invention relates to a pair of half-finger gloves, each glove comprises a glove body, the glove body comprises a finger part, a palm part and a wrist part, the finger part is provided with an easy-to-take-off pull ring, a microfiber silica gel is filled in the finger part, a thumb position of the finger part is filled with a microfiber foam, the palm part is covered with a breathable mesh, the palm part below the breathable mesh is provided with a supporting bump, a hand-guard sleeve is sewed on the wrist part, and the hand-guard sleeve is provided with sticky hairs. The half-finger glove disclosed by the invention has the advantages that due to the easy-to-take-off pull ring, the glove can be taken off easily; both the microfiber silica gel and the microfiber foam have anti-skidding and shockproof functions, so that the pair of half-finger gloves both can protect hands, and materials are not hard; the breathable mesh facilitates the sweaty permeability of the half-finger gloves; and the joint of the palm part and the thumb joint is provided with a zipper, therefore, the half-finger glove is removable, high in mobility, and facilitates manual labors.

The invention provides a mechanism for detecting and driving a distal thumb joint of a human hand, relates to a device for detecting the motion state of the distal thumb joint of the human hand and feeding back force on the distal thumb joint of the human hand, and aims to overcome the defects that a joint measurement mechanism is separated from a force feedback mechanism of a conventional force feedback device, the conventional force feedback device is complex in system, bloated in structure and difficult to maintain, two-way active driving cannot be achieved, and the price is high. According to the mechanism provided by the invention, a joint measurement mechanism and a force feedback mechanism are integrated, and a unique connection mode and the ingenious layout of joint measurement points are adopted, so that the flexibility of the detected thumb can be kept to the greatest extent when the mechanism is used by an operator. Meanwhile, the motion state can be precisely detected, so that corresponding thumb joints of a controlled slave manipulator can collaboratively act with those of the operator, the force condition of the slave manipulator in a specific working environment can be fed back to the operator, and then the presence of virtual reality or teleoperation can be enhanced.

The invention discloses an intelligent bionic prosthetic hand which comprises a palm assembly and a finger assembly; the finger assembly at least comprises a thumb assembly and an index finger assembly; the palm assembly comprises a shell and a driving device; a cavity is formed in the shell; the driving device is arranged in the cavity; a circuit board electrically connected with the driving device is further arranged in the palm assembly; the driving device is a linear motor and is in independent driving connection with each finger in the finger assembly connected with the upper end of the shell; and the thumb assembly comprises an upper thumb joint and a lower thumb joint, the upper thumb joint and the lower thumb joint are rotationally connected through a rotating shaft, the lower end of the upper thumb joint is in an arc shape, a plurality of sawtooth structures are arranged on the arc-shaped end face of the upper thumb joint, and an elastic jacking mechanism is arranged on the end face, corresponding to the arc-shaped end face of the upper thumb joint, of the lower thumb joint, the jacking mechanism is matched with the sawtooth structure, and the bending angle of the upper joint of the thumb is manually controlled. Accurate grabbing and pinching of the prosthetic hand are achieved, and the hand suitable for grabbing a wider size range of objects.

The invention relates to a spatial mechanism-based finger function rehabilitation device. The spatial mechanism-based finger function rehabilitation device comprises a bracket which is used for supporting a palm of a patient to be rehabilitated; a thumb rehabilitation mechanism is arranged beside the bracket, and comprises a thumb far finger baffle and a thumb near finger baffle; the thumb far finger baffle and the thumb near finger baffle are connected with a connecting rod unit; the plate end of the thumb far finger baffle is hinged to the plate end of the thumb near finger baffle; a driving mechanism drives the thumb far finger baffle and the thumb near finger baffle to rotate relatively; a thumb is placed on the thumb far finger baffle and the thumb near finger baffle of the thumb rehabilitation mechanism; the thumb rehabilitation mechanism drives the connecting rod unit to act through the driving mechanism to link the thumb far finger baffle and the thumb near finger baffle of the thumb rehabilitation mechanism to rotate relatively, so that the folding and unfolding actions of a thumb joint are simulated to achieve the purpose of rehabilitating the function of the thumb of the patient; the spatial mechanism-based finger function rehabilitation device can adapt to the use of patients with different hand shapes by adjusting the length of the thumb near finger baffle of the thumb rehabilitation mechanism.

The invention discloses a HPM high precision minimally invasive ablation orthotic device and an ablation orthotic method thereof; the method and device can solve the disadvantages of a conventional treatment method, push the minimally invasive treatment of Hallux Valgus symptom to a whole new level, combine the whole new minimally invasive technology with the shaping technology to cure the HalluxValgus, leave no wound on soft tissues, cannot hurt leg nerves, do not move ligaments, cannot hurt joints, can reset foot thumb joints, and can realize stitch-free, scar-free, painless, hospitalization-free, leave-at-cure, and sequelae-free advantages; sequelae does not appear after treatment according to clinic patient application observation. The biomagnetism technology, the microscopic technology, the nanometer minimally invasive technology and the ablation technology are combined so as to greatly improve the minimally invasive shaping effect, thus starting a Hallux Valgus treatment new era.

The invention relates to a thumb driving mechanism of a hand function rehabilitation training system, which comprises a motor support and is characterized in that a driving motor is hinged to the upper end of the motor support, the front end of the driving motor is hinged to one end of a driving rod, the other end of the driving rod is hinged to the lower end of the motor support, and the middle of the driving rod is hinged to one end of a first driven rod; the other end of the first driven rod is hinged to the top of the thumb phalanx support, the middle of the first driven rod is hinged to one end of the second driven rod, the other end of the second driven rod is hinged to the lower end of the motor support, the middle of the second driven rod is hinged to the upper end of the third driven rod, and the lower end of the third driven rod is hinged to the front end of the thumb phalanx support. The device has the advantages that passive rehabilitation treatment with fixed time is changed into active treatment rehabilitation of a patient, and the movement ability of the thumb is improved; the device is simple in structure and convenient to use, improves the movement ability of the thumb joint of a stroke patient, and achieves a better rehabilitation effect in combination with rehabilitation exercise training.

A glove for pugilistic sports is disclosed and includes a wrist compartment (B), a hand compartment (A) and a closing system, in form of a velcro strap (1). The closing system is arranged from the inner side of the thumb joint (2) and the radiocarpal joint (3), and extends substantially diagonal across carpus (4) and the inside of the wrist, and encompassing the wrist.