Portable oxygen delivery apparatus

Details Portable oxygen delivery apparatus Portable oxygen delivery apparatus

2007-03-08

2010-11-16

Yu, Justine R (Department: 3771)

Surgery

Respiratory method or device

C128S205250, C128S205240, C128S200140, C128S200230

Reexamination Certificate

active

07832395

ABSTRACT:
A portable breathable gas delivery device including a pressure vessel for storing the breathable gas under pressure and a valve coupled to the pressure vessel through which the breathable gas can be selectively released. The pressure vessel is enclosed in a housing having a first portion that at least partially encloses the pressure vessel and a second portion that partially encloses a chamber coupled to the pressure vessel via the valve into which the breathable gas can be released for breathing by a user. The second portion together with a user's facial structure forms a substantially closed enclosure. The chamber has an opening shaped and formed to interface with the user's facial structure.

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