Breathing protection hood has heat and moisture exchange element that alternately carries flow of fresh, water-free breathing gas and expired, water-enriched breathing gas

摘要

The device (10) is hermetically attachable over at least one breathing body orifice and has an inlet opening (12) with a connection for supplying with fresh, water-free breathing gas (14) and an outlet opening for expired breathing gas (18). The hood has a heat and moisture exchange element (20) that alternately carries a flow of fresh, water-free breathing gas and expired, water-enriched breathing gas.