BREATHING APPARATUS FOR CREATING HYPOXY Russian patent published in 1994 - IPC

FIELD: medicine; therapy. SUBSTANCE: apparatus has cylindrical case which has space to be a blend chamber. Controlled atmospheric air intake provided with filter and spring-loaded valve is mounted in inlet of the case. Elastic bag provided with a jet and condensate collector is fixed to output of the case. Restictor which has removable plate provided with row of holes is mounted at the output of the case as well. Mouth-piece is connected with the case by means of a tip. Nipple is mounted in the wall of the case for connecting equipment which indicates composition of air breathed in. EFFECT: improved efficiency. 1 dwg