Cyclical pressure coronary assist pump

Details Cyclical pressure coronary assist pump Cyclical pressure coronary assist pump

2007-02-06

2007-02-06

Pezzuto, Robert E. (Department: 3766)

Surgery

Cardiac augmentation

C600S017000, C623S003110, C623S003160, C623S003170

Reexamination Certificate

active

10822315

ABSTRACT:
An intravascular pump, which may be a left ventricle assist device, comprising a wall defining a pumping chamber, the wall support by struts, the struts attached to or part of an actuation system to move the wall from an expanded position to a contracted position and back to operated the pump, the actuation system may be electrically activated shape memory alloy struts, electroactive polymeric struts, or may be a balloon, struts attached to a slidable member or other suitable system.

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