Heat and moisture exchangers

Details Heat and moisture exchangers Heat and moisture exchangers

1996-06-13

1997-07-15

Millin, Vincent

Surgery

Respiratory method or device

Inhaled gas heated or humidified by exhaled gas

12820413, 12820417, 12820512, 604406, A61M 1500

Patent

active

056473443

ABSTRACT:
An HME has an exchange element comprising a bundle of hollow fibers parallel to the direction of gas flow through the HME. The fibers are of a polymeric material, such as a sulphone, and are treated with a hygroscopic material. The bundle of fibers is held together by an outer sleeve and a porous cap at each end.

REFERENCES:
patent: 4327717 (1982-05-01), Oetjen et al.
patent: 4612019 (1986-09-01), Langhorst
patent: 4840227 (1989-06-01), Schmidt
patent: 5067971 (1991-11-01), Bikson et al.
patent: 5282964 (1994-02-01), Young et al.

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