Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Patent
1993-07-01
1994-12-06
Burr, Edgar S.
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
222250, 12820426, 320 61, A61M 1500
Patent
active
053701127
ABSTRACT:
Portable gas dispensing systems of the type in which pulsed doses of a respirating gas such as oxygen are supplied to a patient with breathing difficulties are provided with means to generate electricity from energy extracted from the expanding gas rather than relying solely upon batteries for power to operate the system. A pneumatic motor, which may be integral with the system dose metering means, is powered by expanding gas and drives an electrical generator to produce sufficient electricity to at least supplement that required for system operation allowing for an increase in the service time per fill or a decrease in system weight or both.
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Burr Edgar S.
DeVilbiss Health Care, Inc.
Raciti Eric P.
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