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383 results about "Dyskinesia" patented technology

Dyskinesia refers to a category of movement disorders that are characterized by involuntary muscle movements, including movements similar to tics or chorea and diminished voluntary movements. Dyskinesia can be anything from a slight tremor of the hands to an uncontrollable movement of the upper body or lower extremities. Discoordination can also occur internally especially with the respiratory muscles and it often goes unrecognized. Dyskinesia is a symptom of several medical disorders that are distinguished by their underlying cause.

Intelligentized rehabilitation training equipment for hand functions of patients suffering from cerebral injury

The invention relates to hand function rehabilitation training equipment based on a spontaneous movement imagery electroencephalograph. Hardware of the instrument consists of an electroencephalograph signal acquisition and processing module, a hand force signal real-time detection sensor array, a control module based on multisource information fusion and a rehabilitation manipulator module, and software for supporting the active rehabilitation training of hand functions is arranged in a computer. The rehabilitation training equipment provides external compensation assistance or resistance hierarchically by taking movement imagery electroencephalographs of patients who suffer from cerebral injury as a starting signal and the muscle force of hands as a feedback signal in a self-adaptive mode according to the myasthenia state of the patients to assist patients who suffer from dyskinesia in performing passive, assisted and active rehabilitation training, displays the state information of the hand movement functions and the provided external power information for doctors and the patients and provides an objective and quantitative assessment method and an index for clinical rehabilitation diagnosis and treatment. The instrument is easy to use, has a friendly interface and is accepted by the doctors and the patients easily. A user can operate a system of the instrument without programming experiences, and the operating environment is not complex.
Owner:XI AN JIAOTONG UNIV

Robot system based on brain-computer interface and implementation method

The invention relates to a robot system based on a brain-computer interface and an implementation method. The robot system is mainly characterized in that a brain-computer interface sub-system obtains a brain electrical signal through a measurement electrode and performs feature extraction of the brain electrical signal to obtain the intention of a user; the brain-computer interface sub-system converts the intention of the user into a control command and transmits the control command to a robot sub-system through a communication sub-system; the robot sub-system receives the control command of the brain-computer interface sub-system and controls a robot to move; the robot sub-system transmits video information acquired by self to the brain-computer interface sub-system; and the brain-computer interface sub-system forms a stimulation interface fed back to the user. According to the invention, mobility control of the robot in eight directions through the steady-state visual evoked potential brain-computer interface can be realized; furthermore, the system can control the robot rapidly and precisely without being trained; because the brain-computer interface is free from body movement participation, the user suffering from severe dyskinesia can move to an expected position; and thus, the living quality is increased.
Owner:INST OF BIOMEDICAL ENG CHINESE ACAD OF MEDICAL SCI +1

Recombinant vector for knock-in of human Huntington gene, construction method of recombinant vector and application of recombinant vector in construction of model pig

ActiveCN107988256AIncreased probability of knock-in positive clonesEfficient FeasibilityStable introduction of DNANucleic acid vectorHuman studiesExon
The invention discloses a recombinant vector for the knock-in of a human Huntington gene, a construction method of the recombinant vector and application of the recombinant vector in the constructionof a model pig. According to the recombinant vector, a human mutated Huntington exon gene is knocked in a fixed point manner for the first time, a virulence gene is knocked in by virtue of a CRISPR / Cas9 technique for the first time, and a donor vector is optimized by optimizing sfRNA, so that the probability that the gene is knocked into a positive cloned cell is increased; and by combining with apig cell nucleus transplantation technique, the probability that a directly obtained positive cell is knocked into the pig is increased, and a small human Huntington gene knock-in pig is obtained, thereby proving the efficient feasibility of the method for constructing gene modified pigs. The constructed Huntington gene knock-in model pig has behavioral characteristics such as respiratory disturbance and dyskinesia similar to human Huntington diseases, and stable heritable passage can be realized, so that a reliable model is provided for the research of the human Huntington diseases; and thenumber can be guaranteed so as to realize drug screening, gene treatment, stem cell treatment and the like, and the model can be a good human disease model.
Owner:JINAN UNIVERSITY +1

Joint compound motion mechanical arm used for rehabilitation training of upper limb

The invention discloses a joint compound motion mechanical arm used for rehabilitation training of an upper limb. The mechanical arm comprises a base, an electric lifting column, a T type supporting frame, a main fixed base and an outer skeleton mechanical arm system, wherein the base is placed on the ground; the electric lifting column is fixedly connected with the base; the electric lifting column is fixedly connected with the T type supporting frame; the main fixed base is mounted on a supporting frame; the outer skeleton mechanical arm system is connected with driving motors through the main fixed base; and the driving motors are all mounted on the main fixed base. When the mechanical arm is in use, only the outer skeleton mechanical arm system moves according to a control instruction; the motors are motionless relative to the base; the mechanical arm is light, convenient and flexible, creative in structure, small in occupied space, and stable and reliable in movement; the joint compound motion mechanical arm can be used for assisting a patient with upper limb dyskinesia to finish all kinds of rehabilitation training actions; and meanwhile, the mechanical arm can be used for single-joint rehabilitation training for a shoulder joint and an elbow joint, and also can be used for compound motion rehabilitation training for multiple joints of the upper limb.
Owner:国家康复辅具研究中心

Quantization evaluating device and method for dyskinesia symptoms of Parkinson and related extrapyramidal diseases

ActiveCN104434129AComprehensive assessment of movement disorder symptomsAchieve acquisitionDiagnostic recording/measuringSensorsGaitAdhd symptoms
The invention discloses a quantization evaluating device and method for dyskinesia symptoms of Parkinson and related extrapyramidal diseases. The device comprises an S-shaped gait channel, a finger inertia element node, a body inertia element node, a high-speed image collection unit, a central computer, an inertia element synchronization box, a synchronization state lamp, a wireless router, a switch and a power supply. The method comprises the steps of starting initialization of devices and starting the devices, adding basic information of testing personnel or searching existing testing personnel, selecting a collection mode, synchronizing a data collection unit module, collecting, displaying and storing data under assigned actions in real time, analyzing the data, and storing and printing quantization evaluating results. According to the quantization evaluating device and method for the dyskinesia symptoms of the Parkinson and related extrapyramidal diseases, the subjective evaluating method depending on the experiment of clinicians is thoroughly changed, and the device and method have improved theoretical value and realistic guidance significance on treatment of patients with dyskinesia, making of rehabilitation schemes and judgment of the curative effect and a prognosis.
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI +1

Brain machine interface system based on human face recognition specific wave N170 component

The present invention relates to a brain-machine interface system based on face recognition specific wave N170 component, which implements sorting of facial pictures and object pictures, and comprises a picture stimulator, a cortical electric signal collector, a face recognition specific wave N170 detector, and a picture sorter. Pictures to be sorted are presented by the visual picture stimulator as visual stimulations to a user, and the cortical electric signals of the user generated in response are recorded and subjected to amplification and A/D conversion, and then processed and analyzed by the face recognition specific wave N170 detector, whereby a determination is made whether the collected cortical electric signals contain specific wave N170 component related to facial picture stimulation, and accordingly, the cortical electric signals are transformed into picture sorting control commands for identifying facial pictures and object pictures. The advantages of the present invention are: the present invention utilizes the specific cortical electric signal N170 component generated in the facial picture recognition process in response to facial picture stimulations, and employs an effective online feature extraction and sorting algorithm in the cortical electric signal analyzer; therefore, the discrimination ratio of the system is increased. The present invention provides a novel means for persons who suffer from dyskinesia but can think normally to communicate with and control the external environment.
Owner:BEIJING NORMAL UNIVERSITY
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