Automatic regulation of respirators

Details Automatic regulation of respirators Automatic regulation of respirators

1974-09-03

1976-06-08

Michell, Robert W.

Surgery

Truss

Pad

128DIG29, A61M 1600

Patent

active

039616274

ABSTRACT:
Regulation of the flow and pressure of the respiration gas in a respirator coupled to a patient is disclosed in regard to a respirator arrangement having a flow and pressure measuring device arranged proximate the patient connection for determining the flow and pressure of the respiration gas and converting the magnitudes, measured into electrical signals and also valve means arranged between the respiration gas source and the measuring device for controlling the flow and pressure of the respiration gas. Means are provided for obtaining a control signal for modulating the valve means by comparing the actual values measured for the flow and pressure with nominal values which themselves are calculated from preselected fixed values and said actual values.

REFERENCES:
patent: 3033195 (1962-05-01), Gilroy et al.
patent: 3756229 (1973-09-01), Ollivier
patent: 3794059 (1974-02-01), Burt, Jr.
patent: 3831596 (1974-08-01), Cavallo

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