Liquid drain for patient breathing apparatus

Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure

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Details

210490, 2105002, A61M 1600

Patent

active

044175744

ABSTRACT:
A patient breathing apparatus is disclosed which includes a liquid drain connected to receive liquid condensation. The drain includes a barrier which is water permeable and gas impermeable when wet. The barrier may be provided with a water soluble layer that is gas impermeable when dry.

REFERENCES:
patent: 3556305 (1971-01-01), Shorr
patent: 3603313 (1971-09-01), Arblaster
patent: 3968812 (1976-07-01), Eross
patent: 4221381 (1980-09-01), Ericson
patent: 4249000 (1981-02-01), Batzer et al.
patent: 4327718 (1982-05-01), Cronenberg
MEM Medical, Inc. 11/79.
Instrumentation Industries Inc., p. 12.

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