Patent ID: 6488028
Filing Date: 2002-12-03
Classification: A61M

Abstract:
A device for recovering anaesthetic during use of inhaled anesthetics and adapted for connection to a patient breathing circuit comprising a housing having an inlet adapted for connection to a respirator and an outlet adapted for connection to a patient, the interior of said housing forming a bidirectional passageway between the inlet and the outlet, an anaesthetic evaporator for supplying anaesthetic to a patient and an anaesthetic absorption filter for absorbing and desorbing anaesthetic, wherein the evaporator and the absorption filter are arranged in series in the housing between the inlet and the outlet with the evaporator located between the absorption filter and the outlet, and whereby gases breathed by the patient and flowing between the inlet and the outlet pass across both the evaporator and the absorption filter within the housing during inhalation and during exhalation.