Device for exchange of gas volume

Details Device for exchange of gas volume Device for exchange of gas volume

2005-03-08

2005-03-08

Bennett, Henry (Department: 3743)

Surgery

Respiratory method or device

Means for mixing treating agent with respiratory gas

C128S910000, C128S205270, C128S205280, C128S205240, C128S203180, C128S203250, C128S205120

Reexamination Certificate

active

06863067

ABSTRACT:
A device for exchanging gas volumes in an anesthetic system has an inlet, an outlet, a first chamber arranged between the inlet and the outlet, a second chamber arranged between the inlet and the outlet, a switching valve for selective connection to the first chamber or the second chamber for forming a flow path between the inlet and the outlet, and a controller for controlling the switching valve.

REFERENCES:
patent: 20010022181 (2001-09-01), Mason et al.
patent: 199 55 078 (2001-05-01), None
patent: WO 8807876 (1988-10-01), None
patent: WO 9940961 (1999-08-01), None
patent: WO 0076569 (2000-12-01), None

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