Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Reexamination Certificate
2006-12-05
2009-11-17
Yu, Justine R (Department: 3771)
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
C128S204230, C128S204260, C128S204180
Reexamination Certificate
active
07617824
ABSTRACT:
A ventilator of the present invention includes a housing, a gas flow generator disposed in the housing, a gas outlet port provided on an exterior surface of the housing, and a first conduit coupling the gas flow generator to the gas outlet port. A gas inlet port is also provided on an exterior surface of the housing. A second conduit couples the gas inlet port to a first exhaust valve in the housing that regulates a flow of exhaust gas from the second conduit. A second exhaust valve in the housing is coupled to the first conduit and regulates a flow of exhaust gas from the first conduit. A controller coupled to second exhaust valve causes the second exhaust valve to change a degree of flow restriction based on a respiratory phase of a patient coupled to the ventilator when the ventilator is operating in a single-limb ventilation configuration.
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Hamilton Medical, “Raphael Intelligent Ventilation”, product brochure.
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Dixon Annette F
RIC Investments LLC
Yu Justine R
LandOfFree
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