Apparatus for providing a breathing gas with an overpressure and

Details Apparatus for providing a breathing gas with an overpressure and Apparatus for providing a breathing gas with an overpressure and

1992-03-20

1995-08-22

Asher, Kimberly L.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820418, 12820423, D06F 5802, A61M 1600, A62B 700, F16V 3102

Patent

active

054430615

ABSTRACT:
The turbine which generates overpressure for a breathing gas is controlled by detecting recurring variations in the operation of the turbine and correspondingly modifying the control signal which is set to a level which determines the overpressure of the turbine, thereby modulating the overpressure supplied by the turbine.

REFERENCES:
patent: 3886419 (1975-05-01), Omura et al.
patent: 4169990 (1979-10-01), Lerdman
patent: 4561261 (1985-12-01), Kornrumpf et al.
patent: 4621503 (1986-11-01), Woods et al.
patent: 4825330 (1989-04-01), Walchle
patent: 4905687 (1990-03-01), Ponkala
patent: 5117819 (1992-06-01), Servidio et al.
patent: 5134995 (1992-08-01), Gruenke et al.
patent: 5166592 (1992-11-01), Bashark

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