Low power ambulatory oxygen concentrator

Details Low power ambulatory oxygen concentrator Low power ambulatory oxygen concentrator

2005-02-09

2008-10-07

Douglas, Steven O (Department: 3771)

Surgery

Respiratory method or device

Using liquified oxygen

C128S201250, C128S205110, C128S205180, C128S202260, C095S102000, C095S128000, C095S138000

Reexamination Certificate

active

07431032

ABSTRACT:
An oxygen concentrator comprises a vacuum swing adsorption (VSA) gas separation system which includes a cartridge containing a mass of adsorbent material for producing oxygen, a drive which activates the gas separation system, and a power source comprising a mass. A ratio of the mass of the power source to a flow rate of oxygen produced by the oxygen concentrator is between 0.047 and 0.29 kg/LPM·hr.

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