A - Human Necessities – 62 – B
Patent
A - Human Necessities
62
B
A62B 7/02 (2006.01)
Patent
CA 2139723
A protective system has a mask (1) communicating with a motor-driven ventilator (4) via a tube (3). A pressure sensor (5) is operatively arranged to sense the pressure differential across the mask. Such sensed pressure differential is provided to a controller (8) which adjusts the amount of electrical energy supplied from a battery (7) to the ventilator. The response of the sensor and ventilator to changes in the wearer's breathing demand is less than one second.
Schegerin Robert
Smart & Biggar
LandOfFree
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