BIOELECTRICAL PROSTHESIS CONTROL SYSTEM Russian patent published in 2018 - IPC A61F2/54 A61F2/72 

FIELD: medicine.

SUBSTANCE: invention relates to medicine. Bioelectrical prosthesis control system contains an artificial electromechanical brush, electrodes, control unit for moving fingers of an artificial brush, pressure sensor, compression force converter, vibrator and a unit for temporarily limiting the operation of the vibrator, as well as an angular displacement sensor (for example, in the form of a potentiometer), reinforced on the axis of the hinge of the first finger. In the control system a tactile sensing device was introduced for positional mobility of the fingers of the artificial hand and control system is its moveable actuators. Positional sensing device is made in the form of a module, comprising a base with longitudinal grooves, in which are inserted with the possibility of longitudinal displacement contact elements of two activators, kinematically by way of running nuts connected with the screw, which is pivoted on the base, one end of which has a right, and the second left thread. Contact elements of the activators are made spring-loaded, and the lead screw is made kinematically, for example, by means of a gear train is connected to a micro-electro drive, fixed on the base. One of the activators is connected to the mobile link of the activators fixed on the base of the sensor, for example, made in the form of a potentiometer of translational type. In the control channel of the actuator micro-actuator, the sensor of the angular movements of the first finger and the displacement sensor of the activators, which is a feedback sensor, is connected to the input of the adder, at the output of which the first and second impulse converters are connected, connected to a power amplifier, output of which is connected to the actuator drive actuator.

EFFECT: invention provides an increase in the convenience of the disabled operator when performing targeted self-service actions by increasing the naturalness of control and the accuracy of control actions due to the introduction of a positional sensing device for the mobility of the fingers of the artificial brush and the control system of its movable activators.

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