Computer gated positive expiratory pressure method

Details Computer gated positive expiratory pressure method Computer gated positive expiratory pressure method

1992-09-21

1995-05-09

Sykes, Angela D.

Surgery

Truss

Pad

12820423, 12820524, A61M 1600

Patent

active

054131103

ABSTRACT:
The computer gated positive expiratory pressure method alters pressure in a patient breathing pathway in a respiratory ventilator during specified periods of a patient's heart cycle. Heartbeats of a patient are detected in patient cardiac cycles, and an electrical heartbeat signal is generated in response to the heartbeats. In a presently preferred embodiment, the electrical heartbeat signal is squared to amplify the signal. A variable moment following a detected heartbeat is determined, and positive ventilation pressure in the patient breathing pathway is altered commencing at the variable moment following a detected heartbeat, for a variable time interval during selected cardiac cycles.

REFERENCES:
patent: 4074710 (1978-02-01), Tiep
patent: 5020516 (1991-06-01), Biondi et al.

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