公开(公告)号：AU634986B2

公开(公告)日：1993-03-11

申请号：AU4462189

申请日：1989-11-13

Applicant: NELLCOR INCORPORATED

Inventor： CARL G. FEHDER

IPC: G01N33/497 ,  A61B5/08 ,  A61B5/083 ,  A61B5/097 ,  A61M16/04 ,  G01N21/77 ,  G01N21/80 ,  G01N31/22

Abstract: A rapid response device for the detection of carbon dioxide in a concentration of more than 2% in a gas mixture comprising an indicator component 9 mounted within an enclosure 1 with a transparent window, said component comprising a carrier having fixedly attached thereto an indicating element formed from an aqueous solution of a colorless base, a hygroscopic, high boiling, transparent, colorless, water-miscible liquid and a pH-sensitive indicator, the enclosure being sealed for storage with sealing means 14.