List some of the cardiovascular devices and procedures that Michael DeBakey invented and/or prevented?

The roller pump, and the method of correcting aortic aneurysms.

Explanation:

In 1932 DeBakey devised the "roller pump," an essential component of the heart-lung machine that permitted open-heart surgery. He also developed an efficient method of correcting aortic aneurysms by grafting frozen blood vessels to replace diseased vessels.

DeBakey's surgical innovations included coronary bypass operations, carotid endarterectomy, artificial hearts and ventricular assist devices.

Explanation:

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