Inhalation anaesthesia equipment

Details Inhalation anaesthesia equipment Inhalation anaesthesia equipment

1988-04-13

1990-03-06

Burr, Edgar S.

Surgery

Respiratory method or device

Means for mixing treating agent with respiratory gas

12820418, 12820421, 12820512.205.27, A61M 1600, A62B 700, A62B 702, A62B 710

Patent

active

049056859

ABSTRACT:
Equipment for administering gaseous anesthetic to a patient has at least one anesthetic reservoir serving as the originating source for anesthetic and a ventilator to which the gas is supplied from the reservoir, the ventilator being in communication with the breathing passages of a patient. To maintain the consumption of anesthetic gas as low as possible and to also assure that the patient is constantly ventilated with fresh anesthetic gas having a defined consumption, the exhalation gas from the patient is fed back to the originating anesthetic source via at least one filter in which predetermined gas components, such as water vapor and carbon dioxide are filtered out. The exhalation gas may be returned to the originating source either directly or through a compressor.

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