44 results about "Motor area" patented technology

The invention provides a hand rehabilitation training device and training method in a dual-active-control mode. The training method comprises the steps of collecting an electroencephalogram signal ofa brain motor imagery region in real time through electroencephalogram collection equipment, performing signal preprocessing, feature extraction and classification recognition, transmitting a result to a virtual scene for interaction, and controlling the movement of a model hand in the scene; and when the model hand reaches a designated position and then is in a fist-clenching state, collecting myoelectric signals of the uninjured side of a patient at the moment, performing signal preprocessing, feature extraction and classification recognition, transmitting a result to a wearable rehabilitation manipulator in an instruction mode through Bluetooth, driving the wearable rehabilitation manipulator on the affected side to grab through the myoelectric signals of the uninjured side, assisting an examinee to perform rehabilitation training, and achieving hand rehabilitation training in an electroencephalogram and myoelectricity combined mode. Through active and passive rehabilitation training, remodeling of functions of a brain damaged motor area of the examinee and the hand rehabilitation speed and rehabilitation effect are accelerated, and the initiative of hand rehabilitation trainingof a patient is improved.

The invention discloses a brain section coupling analysis method based on synchronous screening. The method comprises first synchronously acquiring EEG signals in 32 channels and EMG signals in 12 channels when different gripping power is output; in order to research a coupling relation of an EEG motor area and a sensory area in a gripping power output process, analyzing the EEG signals and brachioradialis signals of multiple channels, such as leads C3, C4, CP5, and CP6, in the motor area and the sensory area of the brain; then extracting the synchronous information of the EEG and the EMG by using a synchronous screening algorithm to obtain SSEM (Synchronous Screening of EEG Signals Based on EMG Signals); and finally calculating the symbol transfer entropy of the SSEM to determine its coupling relation. The method can remove data unrelated to motion and reduce a data size.

The invention provides a hand rehabilitation training method based on motor imagery. The hand rehabilitation training method comprises the following steps of: firstly, designing a plurality of virtualscenes including text voice, picture voice and virtual actions, and deeply inducing a subject to perform limb motor imagery; and acquiring electroencephalogram signals of a motor imagery area of thebrain in real time through EEG collection equipment; conducting signal preprocessing, feature extraction and classification recognition, sending a result to a wearable rehabilitation manipulator in aninstruction form through Bluetooth, and assisting a subject in grasping training with the wearable rehabilitation manipulator so as to realize hand rehabilitation training in the mode that motor imagery and physical therapy are combined. Meanwhile, hand actions of the subject are collected through Leap Motion and synchronized to a virtual hand in a virtual scene, so virtual-real interaction between the wearable rehabilitation manipulator and the virtual hand is achieved, and the subject is stimulated to conduct active motor imagery. According to the invention, the method accelerates the remodeling of the functions of a damaged motor area in the brain of the subject and the hand rehabilitation speed and rehabilitation effect of the subject, and improves the initiative of a patient in handrehabilitation training.

The invention discloses an intraoperative motor area function localization system based on multi-mode electroencephalogram wavelet analysis, which collects cortex electroencephalogram signals by embedding an electrode array. The cortex electroencephalogram signals are treated by an amplification filter and output into an electroencephalogram signal pretreatment unit through an analog to digital (A/D) converter to perform resolving and reconfiguration of the wavelet analysis. Data collected by all electrodes are previously treated and filtered, the filter signals respectively pass through a mu rhythm feature extraction unit, a mu rhythm and short circuit protection (SCP) signal feature extraction unit and an SCP signal patter classification unit to be feature extracted and classified, and the filtered signals are classified in double-mode combination mode by a combination classification unit to recognize special properties of all electrodes to finally process and output motor area localization images. The intraoperative motor area function localization system based on multi-mode electroencephalogram wavelet analysis can accurately and quickly detect motor area electroencephalogram signals and output brain motor area function localization images without wound. Through specificity analysis on brain motor area cortex electroencephalogram signals, clinical application of function localization in brain cortex motor area operation of human neurosurgery is achieved.

A touch control method, an electronic device and a computer-readable storage medium are provided, wherein the touch control method that is applied to the electronic equipment, a first motor and a second motor area arranged in the electronic device, the first motor is in fault startup mode, and the second motor is in faulted off state. The touch sensing method includes: detecting whether an application that runs currently is a preset application, and if yes, starting the second motor, and controlling the second motor to vibrate. The touch control method, the electronic device and the computer-readable storage medium allow better touch for a user to use the application and provides improved application-development and application.

A transcranial electrical stimulation device 1 having a wearing equipment 2 detachably worn onto a patient's head and at least a pair of electrodes 4 attached to the wearing equipment 2, the device for electrically stimulating a motor area of a patient's cerebral cortex by outputting current from the electrode 4 connected to a current generator. An engagement part 6 capable of engaging the wearing equipment 2 to a scalp with a thread-like body 8 is provided to the wearing equipment 2, and the electrode 4 is attached to the wearing equipment 2 protrudably to the head side of the electrode 4, and tip of the electrode 4 is capable of subcutaneously piercing through the head. It is unnecessary to bore a patient's skull outer layer with a drill, and a mounting of the electrode can be performed in a short time. The electrodes can be accurately positioned at predetermined positions of a patient's head, and the motor area of a cerebral cortex can be effectively stimulated.

The present invention discloses an electrical stimulation method for observing rat craniotomy motor cortex with the adjustable waveform and amplitude. The method is characterized in that: the motor area of the cerebral cortex is an advanced nerve center for regulating the body motor function, and, through the downward pathway of the pyramidal and extrapyramidal system, controls activities of the brain stem and spinal motor neurons, so as to control muscle movement. Corresponding effects occur after cortical electrical stimulation, experimenters attempt to, through the electrical stimulation of the motor area of the cerebral cortex, cause the effect of body movement, and observe the phenomenon of functional localization of the motor area of the cortex. The rat is fixed to a stereotaxic apparatus, the bone windows are opened, a cortical electrical stimulation using microelectrode is performed, and the electrode is inserted vertically into the position 1.8 mm below the cortex, and adjusted within a range of +/- 200 um so as to cause the maximum movement of the contralateral forelimb, facial hair and neck corresponding to the stimulation points. An electrical stimulator with the adjustable waveform and amplitude is further produced, is capable of accurately completing the experimental observation of electrical stimulation predetermined by experimenters, and provides technical support for the experiment.

The invention discloses a collecting band pipe with detector hole of collecting basin fleece device, which is installed between spinning drafting system and twister. The invention is characterized by the following: installing unilateral test hole in the non-mesh coil motor area of collecting body by collecting pipe with test hole and body; sealing test hole by airtight cover; opening test hole directly to check negative pressure in spinning course; avoiding rechecked inappropriate operation; improving spinning quality and production efficiency; simplifying the operation.

The invention relates to a household refrigeration appliance (2) comprising a housing (4) and a machine room (5), which is formed in a rear lower region of the housing (4) and is delimited by a wall (13) when facingon one side of the front side (11) of the housing (4), wherein said wall (13) comprises an inclined first wall portion (13c) at a lower end. The first wall portion is designed to be inclined forwardly to the front side (11), starting from an upper wall portion of the edge (131c), and orientedly extends towards a lower edge (13b). The invention also relates to an arrangement (1) with a household refrigeration appliance (2) and a packaging apparatus (3).

The invention discloses a high-reliability brushless motor which comprises a motor main body and a motor shell. An axially-through rotor is arranged in the motor main body, the motor main body is arranged in the motor shell, and a top cover is arranged at one end of the motor shell. A bottom cover is arranged at the other end of the motor shell, and a movable impeller is arranged on the rotor. Themotor is scientific and reasonable in structure and IS safe and convenient to use, compared with an existing mode that air enters from a motor opening to cool the motor, and the phenomenon that airflow impacts the motor is avoided, a motor area is cooled directly through a second airflow pipeline penetrating through the interior of the motor body and by means of the negative pressure generated during operation of the motor. The motor does not generate excessive noise, so that the use performance of the motor is greatly improved.

A patient-initiated automatic neural tissue control system and methods of providing patient-initiated automatic control of neural tissues are disclosed. The patient-initiated automatic neural tissue control system and methods allow for patient-defined internal initiation of motor control, by initiation of the controlling signals in the contralateral motor area the patient controls (e.g., previously damaged motor areas). The patient-initiated automatic neural tissue control system and methods involve brain signals that initiate from patient-defined motor actions from the contralateral motor area of the patient's brain which stimulates brain areas near the damaged brain areas. The brain areas stimulated near the damaged brain area include brain areas adjacent to the damaged brain area and brain areas below the damaged brain area.

The invention belongs to the technical field of ultrasonic probes and particularly relates to an industrial control ultrasonic probe and a method for improving the industrial control ultrasonic probe. The industrial control ultrasonic probe comprises a matching layer, a metal shell, a positive electrode PIN, a negative electrode PIN, a PCB and a piezoelectric ceramic piece; the piezoelectric ceramic piece is composed in the manner that a plurality of single-layer ceramic piece bodies are stacked in an up-down manner; motor areas of the plurality of single-layer ceramic piece bodies are correspondingly conducted; the bottom end of the metal shell and the matching layer are glued; the piezoelectric ceramic piece is glued to the portion, corresponding to the interior of the metal shell, of the matching layer; the inner side of the upper end of the metal shell is of a step structure; the PCB is glued to the position of the step structure of the metal shell; the positive electrode of the piezoelectric ceramic piece is connected with the positive electrode of the PCB through a positive electrode line; the negative electrode of the piezoelectric ceramic piece is connected with the negative electrode of the PCB through a negative electrode line; the positive electrode PIN is connected with the positive electrode of the PCB in a riveted manner; the negative electrode PIN is connected with the negative electrode of the PCB in a riveted manner; and the top end of the metal shell is sealed through silica gel, and the sensitivity of the industrial control ultrasonic probe is substantially improved.