Insulated conditioned respiratory air transport tube

Details Insulated conditioned respiratory air transport tube Insulated conditioned respiratory air transport tube

1995-12-26

1998-04-07

Asher, Kimberly L.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820714, 12820417, A61M 1600, A62B 700, A62B 906, F24J 300

Patent

active

057352666

ABSTRACT:
The present invention includes a method for preventing heat loss or gain from a conditioned air transport tube in a patient temperature control system thereby reducing internal and/or external vapor condensation commonly associated with such patient temperature control systems while also stabilizing the relative temperature and humidity within such temperature control systems. A thin flexible partially longitudinally compressed casing is provided to surround a corrugated tube of the same or greater thickness to provide an insulating dead air space therebetween. In another arrangement selected enlarged corrugations are provided in spaced relation along the corrugated tube to engage the inner surface of the casing in a preselected spaced arrangement with respect to said corrugated tube to compartmentalize insulating dead air spaces between the tube and the casing.

REFERENCES:
patent: 3383875 (1968-05-01), Haas
patent: 4013122 (1977-03-01), Long
patent: 4415389 (1983-11-01), Medford et al.
patent: 5377670 (1995-01-01), Smith

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