Surgery – Respiratory method or device – Means for mixing treating agent with respiratory gas
Patent
1976-11-29
1978-10-17
Recla, Henry J.
Surgery
Respiratory method or device
Means for mixing treating agent with respiratory gas
1281458, 137835, A61M 1600
Patent
active
041203003
ABSTRACT:
A breathing apparatus primarily intended to be used in administering oxygen to a patient can be constructed so as to utilize a fluidic control device in such a manner as to conserve oxygen. The control device is connected to a supply of the gas to be administered to the user, to a reservoir type structure for temporarily storing this gas and a respiration structure such as a connected pair of tubes adapted to extend loosely into the nostrils of the user. On inhalation through the respiration structure the control device serves to permit gas flow from both the supply and the reservoir type structure to the respiration structure and to the user while on exhalation by the user the control device is responsive to the pressure exerted by the flow of exhaled gas in order to cause gas flow from the supply to the reservoir type structure.
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City of Hope National Medical Center
O'Brian Edward D.
Recla Henry J.
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