Wick arrangement for an anesthetic evaporator

Details Wick arrangement for an anesthetic evaporator Wick arrangement for an anesthetic evaporator

2007-10-02

2007-10-02

Welch, Gary L. (Department: 3772)

Surgery

Respiratory method or device

Means for mixing treating agent with respiratory gas

C128S204140, C128S203120, C128S203140, C165S165000, C165S907000, C165SDIG039

Reexamination Certificate

active

10131716

ABSTRACT:
A wick arrangement for an anesthetic evaporator includes a wick with a carrier material (2) that is essentially impermeable to gas provided with wick material (3, 4) on both sides. A great path length is provided for saturating the gas with anesthetic vapor in the smallest possible installation volume by providing flow channels such as helical flow channels (10, 11) extending helically on both sides of the wick. The gas flow is led in counterflow in the flow channels (10, 11) by a housing (9).

REFERENCES:
patent: 3954920 (1976-05-01), Heath
patent: 4774032 (1988-09-01), Coates et al.
patent: 6325063 (2001-12-01), Volgyesi
patent: 0 220 258 (1987-05-01), None
patent: 0 220 258 (1990-08-01), None

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