82results about How to "Restore motor function" patented technology

A universal closed-loop functional electrical stimulation system comprising at least one electrode assembly adapted to deliver an electrical stimulation signal to the central nervous system, peripheral nervous system, or muscles of a user, a sensor system adapted to detect a mechanical response to a muscle stimulation signal of at least one muscle associated with a muscle group stimulated through the nervous system or proximate to the electrode assembly. An electrical stimulation device operably coupled to at least one electrode assembly and the sensor system, the electrical stimulation device including a control system to automatically receive feedback from at least one characteristic of the muscle from the detected muscle response and adjust at least one parameter of the muscle stimulation signal in real-time and in response thereto and a programmed microprocessor for controlling said electrical stimulation and receiving input from said sensor system.

An exoskeleton finger rehabilitation robot system based on electro-cerebral control is characterized by comprising a working station, a motor control unit, an exoskeleton finger rehabilitation robot, an electro-cerebral electrode, a brain myoelectricity analysis unit, a sensor unit and a human-computer interaction interface. A working method comprises the steps of visual stimulation, signal acquisition and transmission, rehabilitation robot movement, information feedback and training method optimization. The exoskeleton finger rehabilitation robot system based on the electro-cerebral control has the advantages of being intelligent, portable, simple in installation and efficient in training method and utilizing movements of palm finger joints to control rehabilitation exercises of patients.

The invention discloses a finger movement function rehabilitation training device which comprises a supporting seat and a finger training mechanism arranged on the supporting seat. The finger training mechanism consists of a finger motion mechanism and a hybrid driving and sensing mechanism, wherein the finger motion mechanism comprises a driving rod, a driving connection rod, a front-rear-end connecting rod, a front-end connecting rod, a front-end finger sleeve, a rear-end finger sleeve and a fixing seat. One end of the driving rod is fixedly connected with a driving shaft, the fixing seat is fixe to the supporting seat, one end of the front-rear-end connecting rod is rotatably connected to the fixing seat, the other end of the front-rear-end connecting rod is rotatably connected with the front-end connecting rod, one end of the driving connection rod is rotatably connected to the middle of the front-rear-end connecting rod, and the other end of the driving connection rod is rotatably connected with the other end of the driving rod. The finger motion mechanism can accurately control movements of all joints of fingers, enables a hemiplegic patient to perform training in a correct finger movement mode and facilitates rehabilitation of normal movement functions of the fingers of the patient.

The invention discloses a diagnosis and treatment system based on surface myoelectricity. The diagnosis and treatment system comprises an upper computer collection module, an upper computer assessment module, an upper computer circulation electrical stimulation module, an upper computer biological feedback electrical stimulation module, a communication module, a digital processing controller, a multichannel surface myoelectricity electrode, a multichannel amplification filtering module, an analog-digital converter, a digital-analog converter, a multichannel power amplification module and an output current-limiting monitoring module. The diagnosis and treatment system has multiple functions such as collection and diagnostic assessment of surface electromyogram signals, circulation electrical stimulation, biological feedback electrical stimulation and the like, and are applicable to fields such as sports science, rehabilitation medicine, biomedical engineering and the like.

The invention discloses a multi-source information fusion control method for functional electrical stimulation, which belongs to the technical field of rehabilitation medical equipment for the disabled. The user imagines the first specific action, extracts the characteristics of the imagined action, and starts the functional electrical stimulator; For the second specific action or the third specific action and the fourth specific action or the fifth specific action, collect the corresponding EEG and cerebral blood flow signals; adjust the original value of the electrical stimulation time and the electrical stimulation frequency by stimulating the stimulator ; The error and the rate of change of the error are taken as the input of the fuzzy controller, and the precise amount of the stimulus current intensity is taken as the output of the fuzzy controller; the error and the rate of change of the error are deduced by using the control rule and the membership function, and the fuzzy value of the stimulus current intensity is obtained. Defuzzification processing is performed to obtain the precise amount of stimulation current intensity; the user imagines the sixth specific action, and turns off the electrical stimulation system through the corresponding fusion characteristics of EEG and cerebral blood flow signals.

Disclosed is a TDOF external bone type finger rehabilitation robot. The TDOF external bone type finger rehabilitation robot is characterized by comprising a motor driving unit, a transmission unit and an execution unit. The working method of the TDOF external bone type finger rehabilitation robot comprises of motor driving force input, finger MCP (metacarpophalangeal) joint movement, finger PIP (proximal interphalangeal) joint movement, finger DIP (distal interphalangeal) joint movement and movement parameter adjustment. The TDOF external bone type finger rehabilitation robot has the advantages of being intelligent, portable, easy to mount and efficient in exercising method and controlling the rehabilitation movement of a patient through the movement of finger joints.

The invention provides a composition with effects of protecting joints and increasing bone mineral density. The composition is prepared from the following components in parts by weight: 250-400 parts of calcium citrate malate, 150-300 parts of N-Sulfo-glucosamine potassium salt, 100-200 parts of chondroitin sulfate, 50-150 parts of bone collagen peptide powder, and 10-50 parts of casein phosphopeptides. According to the composition provided by the invention, the active ingredients achieve the synergistic effect, the bioavailability is high, and the composition can be used for increasing the bone mineral density and restoring the bone functions. Through a preparation method provided by the invention, the composition can be prepared into a compound preparation, the curative effects are definite, the quality is controllable, no toxic or side effect exists, and the composition is suitable for large-scale popularization and application.

The invention discloses a metal hip-joint combination handle including a handle body of a femoral bone handle, a neck body of the femoral bone handle, a near-end lining of the femoral bone handle, positioning pins and fixing bolts. With functional and physical design of each part of the metal hip-joint combination handle, the data of the near-end lining of the femoral bone handle is introduced into an electron beam melting and molding device, the titanium alloy power within the device is scanned, melted and molded into a conic cylinder body with intensity and elasticity similar to those of the biological cancellous bone by means of electron beam, the handle body part and the neck body part of the femoral bone handle are manufactured by precise forging[w2] or machine work, then the handle body of the femoral bone handle, the neck body of the femoral bone handle and the near-end lining of the femoral bone handle are serially assembled as a whole through positioning pins and fixing bolts, thus the metal hip-joint combination handle is configured. The combination handle has advantages of porous structure growing within cells, excellent dynamic and biological performance similar to those of human bones, high friction coefficients, stable configuration, multi combination modes among parts, high anastomosis degree and better matching capability with human medulla ossium lumen, relieving pains, stabilizing arthrosis, straightening monstrosity, improving functions of joint, facilitating operation execution, long service life and popular application.

An exercise therapy device includes pedals, a pedal rotation shaft connected to the pedals, a load motor for driving the pedal rotation shaft, and a load control device for controlling the load motor to cause rotating motion of the pedal rotation shaft to be started by the load motor.

The invention provides a paralyzed patient nursing bed. The nursing bed comprises a bed board, a first supporting plate and a second supporting plate, one end of the bed board is connected with the second supporting plate, the upper end of the second supporting plate is connected with a telescopic rod, and a hanging ring is connected with the lower portion of the end of the telescopic rod; a moving device is arranged at the lower end of the second supporting plate, and the other end of the bed board is connected with the first supporting plate; a control panel is arranged on the first supporting plate, and a lower limb movement mechanism is arranged on the other surface of the first supporting plate; a massage rolling shaft is arranged below the lower limb movement mechanism, a defecationassisting device is arranged in the middle of the bed board, and the bed board is of a double-layer structure; an air cushion device is arranged in the bed board, a table surface is arranged below thebed board, a plurality of electric push rods are arranged on the table surface, and a bed pan placing groove is formed in the middle of the table surface. The nursing bed has the advantages being easy to operate, having the functions of automatic turn-over massage, lower limb movement, air purification and the like, capable of saving energy, being environmentally friendly, making family members and nurses take care of patients conveniently, and being suitable for large-scale popularization.

The invention discloses a four-DOF (degree of freedom) rehabilitation training robot with adjustable posture, which comprises a lifting base, a U-shaped frame and a motion output assembly, wherein the U-shaped frame is positioned above the lifting base, and the U-shaped frame is rotationally connected with the lifting base through a first rotating mechanism; the motion output assembly is rotationally connected with the U-shaped frame through a second rotating mechanism; the first rotating mechanism comprises a first bracket arranged on the lifting base and a first worm wheel and a first worm arranged on the first bracket, wherein a second step motor is arranged on the first bracket, the output shaft of the second step motor is connected with the first worm, a turntable is arranged on a first rotating shaft connected with the first worm wheel, and the turntable is connected with the U-shaped frame; and the second rotating mechanism comprises a second worm wheel and a second worm arranged on the U-shaped frame and engaged mutually, a third step motor and left and right rotating shafts coaxially arranged with the second worm wheel, wherein the output shaft of the third step motor is connected with the second worm, and a second rotating shaft connected with the second worm wheel is connected with the right rotating shaft.

The invention provides a rehabilitation training system and method based on a motor imagery-brain-computer interface and virtual reality. An electroencephalogram signal of a subject in a rehabilitation process is collected in real time through an electroencephalogram signal collection device, and the electroencephalogram signal is preprocessed; feature extraction is performed on the preprocessed electroencephalogram signal, and a motor imagery intention recognition model is established based on extracted features; training exercise scenes in a first-person visual angle and a third-person visual angle are developed, and the training exercise scenes are rendered through a VR helmet; the subject selects two different visual angles for training in the VR environment, the subject performs motor imagery according to prompts, and when the subject imagery is recognized, corresponding limbs in a scene complete corresponding actions; rehabilitation training is scored according to quantitative indexes of the brain region activation degree related to the motor imagery of the subject obtained by performing brain network analysis on the electroencephalogram signals of the subject, and a rehabilitation report is generated. The rehabilitation training system can achieve a good rehabilitation training effect.

The invention discloses a bionic joint and an exoskeleton robot. The bionic joint comprises a bionic joint assembly, a first connecting rod and a joint rotating assembly; the bionic joint assembly comprises a first joint and a second joint, and the second joint and the first joint are oppositely arranged; the first connecting rod is provided with a first rotating shaft hole and a second rotating shaft hole which are formed in the length direction of the first connecting rod in a spaced mode; the joint rotating assembly comprises a first gear fixedly connected with the first joint and a secondgear fixedly connected with the second joint, and the first gear meshes with the second gear; a first rotating shaft is rotatably connected to the first gear and stretches out from the first gear to form a first stretching end, and the first stretching end is rotatably connected to the first rotating shaft hole; and a second rotating shaft is fixedly connected to the second gear and stretches outfrom the second gear to form a second stretching end, and the second stretching end is rotatably connected to the second rotating shaft hole. The bionic joint is used for improving the freedom degreeof the bionic joint and can achieve axis-variable movement to help a human body restore a movement function, and the comfortableness of the human body is improved.

The invention relates to the technical field of tissue engineering, in particular to a tissue engineering material for nerve injury repair as well as a preparation method and application of the tissueengineering material. The tissue engineering material for nerve injury repair is a linear ordered collagen stent of crosslinked N-cadherin. The tissue engineering material prepared by crosslinkingtheN-cadherin in the linear ordered collagen stent can efficiently induce neural stem cells to migrate towards an injury region, enrich neutral stem cells in the injury region, effectively inhibit deposition of inhibitors such as chondroitin sulfate proteolgycan and promote differentiation of the neutral stem cells towards neurons so as to promote recovery of electrophysiological and motion functions; and meanwhile, the N-cadherin crosslinked linear ordered collagen stent also has stable and ordered topological structures and excellent mechanical properties and thus can be used for repairing nerve injuries such as spinal cord injury.

Differentiation and stability of neural stem cells can be enhanced by in vitro or in vivo culturing with one or more extracellular matrix (ECM) compositions, such as collagen I, IV, laminin and/or a heparan sulfate proteoglycan. In one aspect of the invention, adult mammalian enteric neuronal progenitor cells can be induced to differentiate on various substrates derived from components or combinations of neural ECM compositions. Collagen I and IV supported neuronal differentiation and extensive glial differentiation individually and in combination. Addition of laminin or heparan sulfate to collagen substrates unexpectedly improved neuronal differentiation, increasing neuron number, branching of neuronal processes, and initiation of neuronal network formation. In another aspect, neuronal subtype differentiation was affected by varying ECM compositions in hydrogels overlaid on intestinal smooth muscle sheets. The matrix compositions of the present invention can be used to tissue engineer transplantable innervated GI smooth muscle constructs to remedy aganglionic disorders.

The invention discloses an intermittent stimulating type rehabilitation bed, aiming at solving the problem of the prior art which cannot conduct aided training on muscles of patients, and capable of conducting massaging and electric stimulation of patients' bodies in an intermittent mode, so that patients' muscle motor functions can be gradually recovered under the intermittent massaging and stimulation. According to the technical scheme, the rehabilitation bed comprises a bed-head frame and a bed-tail frame, wherein a bed surface, which is formed by connecting a plurality of connecting parts, is arranged between the bed-head frame and the bed-tail frame; gaps, from which massaging and stimulating parts can run through, are kept in the bed surface; the massaging and stimulating parts comprise round massaging heads; the bottoms of the round massaging heads are connected to cranks by virtue of first connecting rods; the cranks are connected to a first power device; and the massaging and stimulating parts, which are driven by the cranks, can do a vertical motion in an intermittent mode; and the round massaging heads are additionally connected to a power supply device by virtue of leads.

The present invention relates to a compound joint-improving oral liquor made up by using (by wt%) 1.5-6% of pseudo-black multispinous ant, 0.5-5% of collagen, 0.5-4% of glycosamine hydrochlorate, 0.2-3% of chondroitin sulfate, 1-20% of honey, 0.01-0.03% of Ansaimi and 0.01-0.8% of sodium carboxymethyl cellulose as main raw material. Said oral liquor can provide nutrients for joint, can improve joint lubrication, accelerate joint repair, raise immunity of human body and promote articular metabolism normalization, etc.

The invention provides a facial paralysis microelectrode rehabilitation mask which comprises a flexible mask and a controller. The flexible mask is provided with eye exposing holes, nose exposing holes and a mouth exposing hole. The middle area of the two eye exposing holes is provided with a forehead conductive region which is provided with a first electrode. The other sides of the two eye exposing holes are provided with a first eye contour part conductive area and a second eye contour part conductive area, the first eye contour part conductive area is provided with a second electrode, and the second eye contour part conductive area is provided with a third electrode. Two cheeks of the flexible mask are symmetrically provided with a first cheek conductive area and a second cheek conductive area, the first cheek conductive area is provided with a fourth electrode, and the second cheek conductive area is provided with a fifth electrode. The middle area of the nose exposing holes and the mouth exposing hole is provided with a nose and lip part conductive area which is provided with a sixth electrode. Micro electrodes are arranged in several areas of the flexible mask, and the microelectrodes discharge to energize corresponding conductive areas.

The invention relates to an absorbable high-performance nanofiber woven tendon patch. The absorbable high-performance nanofiber woven tendon patch is formed by weaving warp yarns and weft yarns, the weft yarns form the longitudinal direction of the tendon patch, and the warp yarns form the transverse direction of the tendon patch; the warp yarns are biodegradable nanofiber yarns or biodegradable micron fiber yarns, and the weft yarns are biodegradable nanofiber yarns; and the biodegradable nanofiber yarns are pure twisted nanofiber yarns which are prepared by twisting initial twisted yarns formed by twisting oriented nanofibers obtained by adopting an electrostatic spinning technology and then carrying out hot drafting treatment on the initial twisted yarns. The invention also provides a preparation method. The tendon patch prepared by the preparation method provided by the invention can effectively simulate a nanofiber multilevel structure of a natural tendon extracellular matrix, has an ultrahigh specific surface area, can provide more sites for adhesion and growth of cells, has ultrahigh mechanical properties, can provide a reliable mechanical support for new tissue regeneration, and is beneficial to regeneration and reconstruction of injured tendon tissues.

A brain-machine interface is provided that incorporates a neural dynamical structure in the control of a prosthetic device to restore motor function and is able to significantly enhance the control performance compared to existing technologies. In one example, a neural dynamical state is inferred from neural observations, which are obtained from a neural implant. In another example, the neural dynamical state can be inferred from both the obtained neural observations and from the kinematics. A controller interfaced with the prosthetic device uses the inferred neural dynamical state as input to the controller to control kinematic variables of the prosthetic device.

The invention relates to a Parkinson's disease microneedle patch based on an L-DOPA space-time controllable administration strategy. The Parkinson's disease microneedle patch comprises a back lining and a drug-loaded microneedle array attached to one side surface of the back lining, wherein the drug-loaded microneedle array comprises a plurality of microneedles, each microneedle comprises a large number of mesoporous-silica-coated up-conversion microrods, common drugs for treating Parkinson's disease are loaded into mesopores, and an azo compound is used as a pore sealing agent. After the microneedle patch is applied to skin and irradiated with 1.56W/cm<2> near-infrared light (980nm), both ultraviolet light and visible light are emitted. Photons can be absorbed by photoresponsive azo molecules in mesoporous silica on surfaces of UCMRs, then, reversible photoisomerization occurs immediately, continuous rotational-reversal motion of azo is caused, and thus, controlled release of levodopa from the microneedles is triggered. Under the same administration condition, the microneedle patch has a higher blood drug concentration and a higher brain drug concentration and meanwhile also has sensitive light-controlled drug release characteristic, and a drug concentration can be controlled within a proper range.

The invention provides a device for hand rehabilitation exercise, and relates to the field of medical instruments. The device for the hand rehabilitation exercise comprises: a base, wherein a first through hole is formed in the base, and the two opposite ends of the base are penetrated through by the first through hole; a flexible glove, wherein the open end of the flexible glove is communicated with the first through hole in one end of the base; a plurality of shape memory alloy wires which are respectively arranged in the length direction of each finger of the flexible glove, wherein the shape memory alloy wires are connected with a lead of a power supply, and the shape memory alloy wires are stretched out and drawn back by electrifying or de-electrifying the lead; and a controller whichis arranged at the base, is connected with the wire and is used for controlling the wire to be powered on or powered off. Therefore, the flexible glove is enabled to perform corresponding actions, aneffective driving effect is achieved, the characteristic of convenience in use is realized, and the power-to-weight ratio of the whole system is correspondingly improved.

This document relates to decellularized nerve allografts. For example, decellularized nerve allografts and methods and materials for using decellularized nerve allografts to repair nerve injuries or bridge a severed nerve are provided.

A finger-assisted training device and an application method thereof are provided. An electric cylinder drives the sliding sleeve to slide; the sliding sleeve drives two connecting rod mechanisms; the connecting rod mechanism includes four connecting rod assemblies; the connecting rod assembly includes a rocker, a connecting rod and a movable rod; one end of the support is hinged on the support plate, the support is fixed on the support plate; the middle of the rocker is hinged with one end of the connecting rod, and the other end of the connecting rod is hinged with the sliding sleeve; the other end of the rocker is hinged with one end of the movable rod; the other end of the movable rod is fixed with a collar; the fixed arc rod is connected with the movable rod of each link assembly through a spring.

The invention discloses externally used paste for treating rheumatic and rheumatoid arthritis and its preparation method and use. The externally used paste comprises methyl glucse sesquistearate, pentaerythritol distearate, glyceryl stearate, shea butter, cyclomethicone, polydimethylsiloxane, cetearyl alcohol, tocopheryl acetate, bisabolol, methyl salicylate, disodium EDTA, allantoin, glycerinum, jojoba wax PEG-120 ester, sodium hyaluronate, carbomer, hydroxyethylurea, trehalose, beta-glucan, D-glucosamine hydrochloride, chondroitin sulfate, dimethyl sulfone, caprylic/capric triglyceride, capsaicin, a sodium acrylate/sodium acryloyldimethyl taurate copolymer, bis(hydroxymethyl)imidazolidinyl urea, essence and distilled water. The externally used paste has good treatment effects, lasting curative effects and no side effect.