FIELD: medical engineering.
SUBSTANCE: device has tube, attached bite-board and casing having dead space volume as labyrinth canals. The labyrinth canals are formed by elastic porous medium. The casing has spring-loaded piston and tube brought through the piston and rigidly connected to it.
EFFECT: simplified design; smooth carbon dioxide concentration control.
1 dwg, 1 tbl
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Authors
Dates
2007-10-27—Published
2005-06-14—Filed