Heart wall tension reduction apparatus and method
First Claim
Patent Images
1. A heart wall tension reduction apparatus, comprising:
- a first tension member having two oppositely disposed ends; and
first and second anchor members, the first anchor member being disposed proximate one end of the tension member and the second anchor member being disposed proximate the opposite end of the tension member.
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Accused Products
Abstract
An apparatus for treatment of a failing heart by reducing the wall tension therein. In one embodiment, the apparatus includes a tension member for drawing at least two walls of a heart chamber toward each other. Methods for placing the apparatus on the heart are also provided.
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Citations
24 Claims
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1. A heart wall tension reduction apparatus, comprising:
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a first tension member having two oppositely disposed ends; and
first and second anchor members, the first anchor member being disposed proximate one end of the tension member and the second anchor member being disposed proximate the opposite end of the tension member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. The heart wall tension reduction apparatus, comprising:
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an elongate compression member having first and second ends;
first and second elongate lever members, the first lever member extending from the first end of the compression member, and the second lever member extending from the second end of the compression member; and
a tension member extending between the first and second lever members. - View Dependent Claims (10)
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11. A method of disposing a heart wall tension reduction apparatus on a human heart having a plurality of chambers, comprising the steps of:
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providing a heart wall tension reduction apparatus including an elongate compression member having first and second ends;
first and second elongate lever members, the first lever member extending from the first end of the compression member, and the second lever member extending from the second end of the compression member;
a tension member extending between the first and second lever members; and
extending the tension member through at least one chamber of the human heart. - View Dependent Claims (12, 13)
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14. A heart wall tension reduction apparatus, comprising:
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a rigid elongate frame member having a first end and a second end;
a first cantilever member disposed at the first end of the frame member; and
a second cantilever member disposed at the second end of the frame member. - View Dependent Claims (15, 16)
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17. The method of placing a heart wall tension reduction apparatus on a human heart having a plurality of chambers, comprising the steps of:
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extending a hollow needle through at least one chamber the heart such that each end of the needle is external to the chamber;
providing a tension member having first and second ends, and a flexible leader connected to the first end of the tension member;
connecting the second end of the tension member to a first atraumatic pad;
advancing the leader through the needle from one end of the needle to the other;
further advancing the leader until the first atraumatic pad engages the heart and the first end of the tension member is external to the at least one chamber; and
connecting the first end of the tension member to a second atraumatic pad such chat the second atraumatic pad engages the heart. - View Dependent Claims (18)
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19. The method of placing a heart wall tension reduction apparatus on a heart having a plurality of chambers, comprising the steps of:
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extending a guide member through at least one chamber of the heart such that each end of the guide member is external to the chamber;
providing a tension member having at least one lumen extending therethrough;
extending a portion of the guide member through the lumen;
advancing the tension member on the guide member such that a first end of the tension member is disposed to one side of and external to the at least one chamber, and a second end of the tension member is disposed to an opposite side of and external to the at least one chamber; and
connecting a first atraumatic pad to the first end and a second atraumatic pad to the second end of the tension member. - View Dependent Claims (20, 21, 22)
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23. The method of placing a heart wall tension reduction apparatus on a heart having a plurality of chamber comprising the steps of:
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extending a needle having a flexible tension member releasably connected thereto through at least one chamber of the heart such that opposite ends of the tension member are external to the chamber and exposed on opposite sides thereof;
removing the needle from the tension member; and
connecting a first atraumatic pad to one end of the tension member and a second atraumatic pad to the opposite end of the tension member. - View Dependent Claims (24)
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Specification