Surgery – Respiratory method or device – Means for removing substance from respiratory gas
Patent
1995-01-27
1996-06-11
Burr, Edgar S.
Surgery
Respiratory method or device
Means for removing substance from respiratory gas
12820529, 12820222, A62B 2302, A62B 2500, A62B 1808
Patent
active
055246168
ABSTRACT:
A method of emergency smoke inhalation protection of fire fighters in imminent life-threatening situations includes configuring a canister containing a filter medium to evidence use. The canister has an opening through which air enters and has a coupling for attachment to the mask of a standard self contained breathing apparatus in place of a connection to an air tank. When so connected, air drawn into the mask passes through the filter medium within said canister. A use-evidencing mechanism is operatively connected to the canister to indicate use of the air filtering system. This mechanism can be non-reusable covers applied over the opening and coupling, or a sealed package containing the air filtering system. Such devices provide an indication of previous use of the filtering system and inhibit a fire fighter from using the system in an unauthorized manner.
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Morton Frances G.
Nelson Karen
Smith Dennis
Burr Edgar S.
Colilla Dan
LifePro, Inc.
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