Surgery – Respiratory method or device – Means for mixing treating agent with respiratory gas
Patent
1992-02-14
1993-08-03
Burr, Edgar S.
Surgery
Respiratory method or device
Means for mixing treating agent with respiratory gas
12820024, 12820312, A61M 1500, A61M 1100
Patent
active
052319792
ABSTRACT:
A humidifier (10) is provided which includes a body (16) defining a plenum (32) for receiving air and a quantity of water therewithin, said body (16) further presenting a tubular inlet (18) and a-tubular outlet (20), and a baffle (34) for directing the flow of air therethrough, said body (16) being integrally formed. A shelf (58) is provided adjacent the outlet (20) for minimizing the effect of waves generated by the flow of circulating air and inhibiting the discharge of water droplets through the outlet (20) which would otherwise be carried by the circulating air. The body (16) is preferably provided with a U-shaped sidewall (55) with the baffle (34) positioned between first and second sidewalls (36, 38) thereof so that the air introduced through the inlet (18) is directed in a U-shaped flow path to enhance humidification before it is exhausted through the outlet (20). The baffle (34) preferably extends between the upper panel (40) and the lower panel ( 42) of the body (16) to provide strength and prevent the collapse of the humidifier body when heavy objects are placed thereon, as well as ballooning of the body (16) caused by internal pressurization.
REFERENCES:
patent: 2710178 (1955-06-01), Froelich
patent: 3043573 (1962-07-01), Chandler
patent: 4014382 (1977-03-01), Heath
patent: 4060576 (1977-11-01), Grant
patent: 4152379 (1979-05-01), Suhr
patent: 4461735 (1984-07-01), Wirt
Dolida Roger
Kidd Lisa
Rose Fred
Burr Edgar S.
Puritan-Bennett Corporation
Raciti Eric P.
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