公开(公告)号：EP0941136A4

公开(公告)日：2001-09-12

申请号：EP98946956

申请日：1998-09-14

申请人： AIRSEP CORP

发明人： MC COMBS NORMAN R ,  MIZERKIEWICZ MARK R

IPC分类号： A62B18/08 ,  A61M16/06 ,  A62B18/00

CPC分类号： A62B18/003 ,  A61M16/0666 ,  A61M16/0672 ,  A61M16/0683 ,  A61M16/101 ,  A61M16/1055 ,  A61M16/107

摘要： A non-contact gas dispenser (200) comprising a headset apparatus (202), a gas source (210), a conduit (208) for directing the desired gas to a region proximate to the user's nose, and mouth. The gas source preferably is a pressure swing adsorption apparatus (Fig. 9) that allows the user to select at least two predetermined settings of product gas, each setting having a distinct concentration, and flow rate different from the other settings.