Cardiac sleeve apparatus, system and method of use
First Claim
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1. A cardiac assist sleeve, comprising:
- first elongate strips of a first shape-memory alloy, the first elongate strips having a cross-sectional shape taken perpendicularly across a lengthwise line of symmetry; and
second elongate strips of a second shape-memory alloy that intersect and pass the first elongate strips, where the first elongate strips and the second elongate strips define a volume that changes as the cross-sectional shape of the first elongate strips reversibly change between a first cross-sectional shape having two flat surfaces that are opposite of each other and a second cross-sectional shape having one convex surface and one concave surface opposite the convex surface to change the volume of the cardiac assist sleeve.
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Abstract
Cardiac assist sleeve and methods for using and making the cardiac assist sleeve that includes first elongate strips and second elongate strips of memory alloy that change shape to change a volume of cardiac assist sleeve.
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Citations
15 Claims
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1. A cardiac assist sleeve, comprising:
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first elongate strips of a first shape-memory alloy, the first elongate strips having a cross-sectional shape taken perpendicularly across a lengthwise line of symmetry; and second elongate strips of a second shape-memory alloy that intersect and pass the first elongate strips, where the first elongate strips and the second elongate strips define a volume that changes as the cross-sectional shape of the first elongate strips reversibly change between a first cross-sectional shape having two flat surfaces that are opposite of each other and a second cross-sectional shape having one convex surface and one concave surface opposite the convex surface to change the volume of the cardiac assist sleeve. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification