Method of providing ambulatory oxygen

Details Method of providing ambulatory oxygen Method of providing ambulatory oxygen

2011-06-07

2011-06-07

Bianco, Patricia M (Department: 3772)

Surgery

Respiratory method or device

Including body or head supported means covering user's scalp

C128S205110, C128S205180, C128S202260, C096S121000, C096S130000, C096S133000, C096S147000, C095S096000, C095S097000, C095S098000, C095S099000, C095S100000, C095S101000, C095S102000, C095S103000

Reexamination Certificate

active

07954490

ABSTRACT:
Concentrated oxygen product gas is produced and delivered to a patient. Product gas is produced by (a) introducing ambient air into a first end of a column containing an adsorbent material that preferentially adsorbs nitrogen and removes oxygen-rich product gas out a second end of the column; (b) evacuating the column through the first end to remove adsorbed gas from the column; (c) repressurizing the column by introducing ambient air into the first end of the column until the column is near 1.0 atmosphere; and (d) repeating steps (a)-(c). Product gas is delivered as needed to the patient.

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