Recirculating respirator

Details Recirculating respirator Recirculating respirator

1990-09-07

1991-12-17

Burr, Edgar S.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820522, 12820513, 12820512, 12820524, A61M 1600, A62B 700

Patent

active

050727281

ABSTRACT:
The present invention pertains to a recirculating respirator for positive pressure operation, in which it is possible to switch off the elements generating the over pressure in case of excessively high oxygen consumption.
A flow-measuring device is provided in the oxygen supply line, which is connected to a control unit. A warning device 36, and a switching device, for switching off the over pressure is also provided.

REFERENCES:
patent: 2406888 (1946-08-01), Meidenbauer
patent: 2456130 (1948-12-01), Lambertsen
patent: 3805779 (1974-04-01), Kowalski
patent: 3923056 (1975-12-01), Bingmann et al.
patent: 3957044 (1976-05-01), Fletcher et al.
patent: 4302640 (1981-11-01), Vicenzi et al.
patent: 4440166 (1984-04-01), Winkler et al.
patent: 4498470 (1985-02-01), Warncke
patent: 4567889 (1986-02-01), Lehmann
patent: 4667669 (1987-05-01), Pasternack

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