Surgery – Respiratory method or device – Means for removing substance from respiratory gas
Patent
1995-09-01
1997-06-24
Millin, Vincent
Surgery
Respiratory method or device
Means for removing substance from respiratory gas
12820527, 12820523, 12820516, 12820427, A62B 700
Patent
active
056409524
ABSTRACT:
The personal emergency breathing system includes a canister with a filtration unit for supplying filtered ambient air to a gas mask. The mask includes a fitting from which a regulator and hose coupled to an air tank may be removed after exhaustion of the supply of air and to which the canister is coupled to supply filtered ambient air to the user. Upon removal of the canister from the mask, the canister affords an indication of prior use of the canister and is simultaneously disabled from resecurement to the gas mask.
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McLean Donald A.
Swann Linsey J.
Millin Vincent
Srivastava V.
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