PNEUMATIC SUPERCHARGER OF INSTRUMENT FOR MEASURING ARTERIAL PRESSURE (VERSIONS) Russian patent published in 1999 - IPC

FIELD: medical engineering. SUBSTANCE: pneumatic supercharger has case, air delivery through channel, tubular vale for cutting-off of air pressure when air is supplied to cuff, with membrane designed to shut off circular channel, and outlet port in which regulating rod is positioned. Pneumatic supercharger also contains sealing ring, pressure washer, compression spring resting on pressure washer for spring loading of regulating rod relative to case. Regulating rod is installed with its head in seat hole of case. Provision is made for button with limiting ring. Regulating rod has longitudinal groove formed by edges and step for quick release of air pressure from cuff. Pear-shaped delivery chamber made of elastic material is mounted with its orifice on connecting pipe. EFFECT: enhanced accuracy and truth of measurements. 5 cl, 16 dwg