Humidifier with structure to prevent backflow of liquid...

Details Humidifier with structure to prevent backflow of liquid... Humidifier with structure to prevent backflow of liquid...

2005-08-30

2005-08-30

Bennett, Henry (Department: 3743)

Surgery

Respiratory method or device

Means for mixing treating agent with respiratory gas

C128S203170, C128S204140, C128S204170, C239S338000, C261S154000, C261SDIG006

Reexamination Certificate

active

06935337

ABSTRACT:
An apparatus for humidifying breathable gas includes (a) at least one humidifier part configured to retain a body of liquid therein and defining at least one chamber therein, (b) an inlet communicated with an interior of the at least one humidifier part and connectable to a blower outlet, and (c) an oulet communicated with the interior of the at least one humidifier part and connectable to a patient supply conduit. The at least one chamber is arranged such that liquid from the body of liquid is prevented from exiting the at least one humidifier part through the inlet thereof when the at least one humidifier part is rotated from a working, upright orientation.

REFERENCES:
patent: 4913140 (1990-04-01), Orec et al.
patent: 5598837 (1997-02-01), Sirianne et al.
patent: 6435180 (2002-08-01), Hewson et al.
patent: 6718974 (2004-04-01), Moberg
patent: 0 589 429 (1994-03-01), None
patent: 1 055 431 (2000-11-01), None

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