Evacuation manifold for medical anesthesia circuits

Details Evacuation manifold for medical anesthesia circuits Evacuation manifold for medical anesthesia circuits

A - Human Necessities

61

M

137/1.521

A61M 16/00 (2006.01)

Patent

CA 1136949

RMR1??079 PP38 TITLE EVACUATION MANIFOLD FOR MEDICAL ANESTHESIA CIRCUITS ABSTRACT A manifold is described for use with anesthesia breath- ing circuits and which is adapted to receive exhaust anesthetic gases from the anesthesia breathing circuit for disposal there- of. The manifold is connectible to a vacuum system for such disposal and includes a needle valve which may be set to estab- lish a desired flow of exhaust anesthetic gas to the vacuum system. Because the pressures (either positive or negative) within the manifold will also have an effect on pressures with- in the anesthesia breathing circuit from which the exhaust anes- thetic gas is received, it is necessary to control the pressure inside the manifold within certain predetermined limits. Relief valves are thus provided and which relieve the pressure within the manifold at certain predetermined positive and negative limits. The relief valves are so arranged that both may be opened manually by a common member which is accessible exterior of the manifold and can readily be displaced by personnel. The displacement simultaneously opens both valves to free the same from sticking.

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