Jet ventilator control system

Details Jet ventilator control system Jet ventilator control system

1981-02-10

1984-05-29

Howell, Kyle L.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

128696, A61M 1600

Patent

active

044508387

ABSTRACT:
A jet ventilator control system produces a periodic pulse signal either asynchronous or synchronous with a patient's pulse rate. It is proportional in frequency to the number of jet ventilation pulses to be applied to the patient per unit time and is digitally programmable to adjust the delay and duty cycle of the pulse signal within the period defined by the produced pulse. The duration and duty cycle adjusted pulse signals effect the application of jet ventilation pulses corresponding thereto to the patient.

REFERENCES:
patent: 4155356 (1979-05-01), Venegas
patent: 4215681 (1980-08-01), Zalkin et al.
Engelman, F. A. et al., "Digital Electronic Control of Automatic Ventilators", IEEE BME Trans., vol. 24, #2, Mar. 1977, pp. 188-190.
Woo, J. et al., "Analysis & Simulation of an Adoptive System for Forced Ventilation of the Lungs", IEEE BME Trans., vol. BME-22, No. 5, Sep. 1975.
Marsh, W. I. et al., "A Flexible System for Closed Loop Ventilator Development", Proc. 14th Hawaii Intnl. Conf. on System Sciences, pp. 457-462, (1981).
Cook & Webster's Therapeutic Medical Devices, Ch. 13, Prentice-Hall, 1982.

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