Cardiac arrest treatment

Details Cardiac arrest treatment Cardiac arrest treatment

1991-08-12

1993-03-23

Kamm, William E.

Surgery

Cardiac augmentation

Aortic balloon pumping

600 16, 606194, 604 67, 604 96, 604101, 604 53, A61M 2902

Patent

active

051959429

ABSTRACT:
A method and apparatus are described for resuscitating a person who has suffered cardiac arrest. The method includes threading a balloon through the aorta until it lies along the ascending aorta, and then inflating the balloon (40, FIG. 1) to block the ascending aorta to thereby increase blood flow into the coronary arteries (30, 32). A tube (42) extends through the balloon, and blood-compatible fluid which is preferable oxygen rich, is injected past the balloon to provide additional oxygen-carrying fluid to flow through the coronary arteries when the balloon is inflated. The balloon is repeatedly deflated and inflated, so after a period of perhaps 30 seconds during which blood flows only to the coronary arteries, the balloon is deflated to allow some blood flow to the brain. During the entire procedure, pressure is repeatedly applied to the chest and therefore to the heart to sustain blood circulation.

REFERENCES:
patent: 4527549 (1985-07-01), Gabbay
patent: 4531936 (1985-07-01), Gordon
patent: 4697574 (1987-10-01), Karcher et al.
patent: 5024668 (1991-06-01), Peters et al.
Cardiac Resuscitation by Extracorporeal Circulation After Failure of Conventional CPR by Raul J. Gaxmuri et al, Jul., 1991, pp. 65-73.
Effect of Continuous Intra-Aortic Balloon Inflation in Canine Open Chest Cardiopulmonary Resuscitation by Robert C. Weley, Jr. et al, 1990, vol. 18, No. 6 pp. 630-633.

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