Xenon external recycling unit for recovery, purification and...

Details Xenon external recycling unit for recovery, purification and... Xenon external recycling unit for recovery, purification and...

2003-04-30

2008-10-28

Lawrence, Frank M (Department: 1797)

Gas separation: apparatus

Solid sorbent apparatus

With control means responsive to sensed condition

C096S134000, C128S205120, C128S205280

Reexamination Certificate

active

07442236

ABSTRACT:
The present invention concerns the application of adsorption gas separation technologies to anaesthesia equipment and falls within the technical domains of adsorption separation units and medical devices. The invention concerns a device and processes for recovering xenon from gas mixtures released from anaesthesia gas machines (1) using xenon as anaesthetic. The purged xenon is collected using a system which includes a shift valve (6), and then separated and purified (38-40). The recycled xenon is then pressurised (31) and reintroduced in the anaesthesia circuit (48) using a shift valve (12). The separation and purification process combines different adsorption separation/purification technologies. The device is external to the anaesthesia gas machine and is compatible with any standard anaesthesia circuit able of perform xenon anaesthesia.

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patent: WO 02/32550 (2002-04-01), None

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