Gas mixing system for an anaesthetic apparatus

Details Gas mixing system for an anaesthetic apparatus Gas mixing system for an anaesthetic apparatus

1996-05-07

1998-03-17

Millin, Vincent

Surgery

Respiratory method or device

Means for mixing treating agent with respiratory gas

12820314, 12820324, 12820325, 12820422, A61M 1600

Patent

active

057275459

ABSTRACT:
A gas-mixing system for anaesthetic apparatuses has a vaporizer unit for liquid anaesthetic, a first gas line carrying a specific first flow of gas to the vaporizer unit, and a second gas line carrying a second flow of gas past the vaporizer unit. The first gas flow and the second gas flow jointly constitute a total flow of respiratory gas. A first flow regulator is arranged to regulate total flow, and a second flow regulator is arranged to regulate the second flow according to the difference between total flow and a reference value for the first flow.

REFERENCES:
patent: 4313436 (1982-02-01), Schwanbom et al.
patent: 4770168 (1988-09-01), Rusz et al.
patent: 5256594 (1993-10-01), Olsson et al.

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