Anesthesia system and method of filtering respiratory gas

Details Anesthesia system and method of filtering respiratory gas Anesthesia system and method of filtering respiratory gas

1979-12-20

1982-11-23

Recla, Henry J.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820529, 55DIG35, 55521, A61M 1600

Patent

active

043600182

ABSTRACT:
An anesthesia system with a filter located between a Y-connector and a mask or endotracheal tube for connecting with a patient. The filter operates two ways in that it filters during both inhalation and exhalation of the patient. The filter has a very low pressure drop and is small and compact, with a body having an internal volume of 50 cc or less to prevent the patient from rebreathing large volumes of unfiltered exhaled gas.

REFERENCES:
patent: 3556097 (1971-01-01), Wallace
patent: 3713440 (1973-01-01), Nicholes
patent: 3800510 (1974-04-01), Lamond
patent: 3815754 (1974-06-01), Rosenberg
patent: 3867294 (1975-02-01), Paul et al.
patent: 3932153 (1976-01-01), Byrns
patent: 3960148 (1976-06-01), Dryden
patent: 4133656 (1979-01-01), Kippel et al.
patent: 4159954 (1979-07-01), Gangemi

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