Cardiac synchronized ventilation

Details Cardiac synchronized ventilation Cardiac synchronized ventilation

1996-02-23

1998-04-21

Millin, Vincent

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820314, 12820418, 12820421, 12820423, 12820513, 12820514, 12820524, A61M 1600

Patent

active

057407975

ABSTRACT:
A cardiac synchronized ventilator includes a balloon, a balloon pump arranged to inflate and deflate the balloon in synchrony with cardiac function, and a conversion unit. The conversion unit includes a chamber which is fillable with a ventilation medium and which contains the balloon and one or more conduction lines arranged to carry ventilation medium from the chamber to the patient's lungs and from the patient's lungs. Inflation of the balloon is synchronized to occur during systole and pressurizes the conduction line to deliver ventilation medium to the patient's lungs. Deflation of the balloon is synchronized to occur during diastole and negatively pressurizes the conduction line to remove ventilation medium from the patient's lungs. The pump is an intraaortic balloon pump. A conduit attached to a source of ventilation medium is in fluid communication with the conduction line. The ventilation medium may be a liquid or gas.

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