Gas ventilating device

Details Gas ventilating device Gas ventilating device

A - Human Necessities

61

M

137/1.5

A61M 16/00 (2006.01)

Patent

CA 1109766

TITLE GAS VENTILATING DEVICE INVENTOR John Phillip STRUPAT ABSTRACT The invention discloses a gas ventilating device where the tidal volume during the inhalation phase of any cycle of patient consumption is constant and fixed; hence, the deliverable volume is independent of the head pressure of the supply source of the gas. Further, the tidal volume can be controlled by altering the differential pressure of the gas in a fixed volume tank which acts as an intermediate storage tank for gas. Control means, using fluidic devices including monostable and bistable devices control the charging and discharging of the fixed volume tank with gas so that the fixed volume of gas can be supplied to the patient.

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