A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
137/1.5
A61M 16/00 (2006.01)
Patent
CA 1042308
PATIENT VENTILATOR ABSTRACT OF THE DISCLOSURE An improved patient ventilator for providing a mode of operation wherein mandatory breaths are supplied to a patient intermittently, and wherein those mandatory breaths are synchro- nized with the patient's normal breathing cycle. An adjustable timer provides an output signal for controlling the duration between mandatory breaths, and a delay circuit prevents the output signal from the timer from initiating the mandatory breath for a predetermined delay period to permit the patient to initiate that breath himself. The intermittent mandatory breaths are made "mandatory" by closing off an exhalation valve while a fixed quantity or pressure level of oxygen is-supplied to the patient.
259392
Dahl William R.
LandOfFree
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