Anesthetic metering device

Details Anesthetic metering device Anesthetic metering device

1992-02-10

1993-08-17

Burr, Edgar S.

Surgery

Respiratory method or device

Means for mixing treating agent with respiratory gas

12820422, 12820421, 12820312, A61M 1601

Patent

active

052359719

ABSTRACT:
An anesthetic metering device is provided with a temperature-stabilized anesthetic vapor source, from which anesthetic vapor 14 is metered into a carrier gas stream via a delivery line 8 with a metering valve 11 that can be controlled by a control unit 6. The arrangement is provided so that uncontrolled evaporation of anesthetic is prevented. To accomplish this task, the anesthetic vapor source is designed as a vaporizer chamber 2 filled with liquid anesthetic 3, and a gas delivery element 9 generating the metering pressure P.sub.I is present in front of the metering valve 11.

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patent: 5146915 (1992-09-01), Montgomery
patent: 5168866 (1992-12-01), Montgomery

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