Hypoxic delivery apparatus producing from ambient air a product gas having a lower levels of oxygen concentration and delivering the product gas to a user of the apparatus in pulse doses. Alternatively, the apparatus may include a selector (17) for alternately delivering either a nitrogen enriched gas or an oxygen enriched gas to the user.
申请公布号
WO2004054493(A3)
申请公布日期
2005.03.31
申请号
WO2003US38676
申请日期
2003.12.05
申请人
AIRSEP CORPORATION;MCCOMBS, NORMAN, R.;VALVO, MICHAEL, R.
