Protective sheath apparatus and method for use with a heart...

Details Protective sheath apparatus and method for use with a heart... Protective sheath apparatus and method for use with a heart...

2005-08-01

2010-02-16

Layno, Carl H (Department: 3766)

Surgery

Cardiac augmentation

Reexamination Certificate

active

07662085

ABSTRACT:
An actuation system for assisting the operation of the natural heart includes a framework for interfacing with a natural heart and which is coupled with tissue of the heart. An actuator element is adapted to be coupled to the framework and is configured for extending along a portion of a heart wall exterior surface. The actuator element is operable for deforming the portion of the heart wall to effect a reduction in the volume of the heart. A protective sheath is configured to extend along the heart wall between the actuator element and the heart wall portion for protecting the heart wall portion from damage by the actuator element. The protective sheath is flexible and operable to transmit, to the heart wall portion, a force thereon by the actuator element for indenting the heart wall portion.

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