Chordae tendinae restraining ring
First Claim
1. A device for surrounding a plurality of chordae tendinae attached to leaflets of a heart valve comprising:
- an elongated, body being constructed from a material having shape memory properties;
the body having an open first end, a second, and a cavity that extends at least partially along the length of the body from the first end;
the first end of the body being larger in size than the second end of the body;
the device having a linear delivery configuration such that the device can be delivered to a location adjacent the chordae tendinae of a heart valve in an elongate delivery device; and
the device having an annular treatment configuration with a shape such that after the device is expelled from the delivery device the second end of the body is co-axially aligned with and inserted into the first end of the body and the device can surround at least two of the chordae tendinae of a heart valve.
1 Assignment
0 Petitions
Accused Products
Abstract
A ring for surrounding the chordae tendinae of a heart valve, and a system for delivering the ring. The ring gathers the chordae tendinae into a bundle to effectively shorten the chordae tendinae to resolve or reduce valve leaflet prolapse. The body of the ring has an elongated generally linear delivery configuration and a plurality of annular treatment configurations. The body of the ring is releasably carried within a delivery catheter to a treatment location, and a push rod expels the ring from the delivery catheter. Upon being expelled from the delivery catheter, a second end of the ring body will co-axially align with and insert into a first end of the body to form the ring.
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Citations
20 Claims
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1. A device for surrounding a plurality of chordae tendinae attached to leaflets of a heart valve comprising:
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an elongated, body being constructed from a material having shape memory properties;
the body having an open first end, a second, and a cavity that extends at least partially along the length of the body from the first end;
the first end of the body being larger in size than the second end of the body;
the device having a linear delivery configuration such that the device can be delivered to a location adjacent the chordae tendinae of a heart valve in an elongate delivery device; and
the device having an annular treatment configuration with a shape such that after the device is expelled from the delivery device the second end of the body is co-axially aligned with and inserted into the first end of the body and the device can surround at least two of the chordae tendinae of a heart valve. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A device for surrounding a plurality of chordae tendinae attached to leaflets of a heart valve comprising:
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an elongated, generally hollow body being constructed from a material having shape memory properties;
the body having an open first end, an open second end, and a channel communicating therethrough;
the first end of the body being larger in diameter than the second end of the body;
the device having a linear delivery configuration such that the device can be delivered to a location adjacent the chordae tendinae of a heart valve in an elongate delivery device; and
the device having an annular treatment configuration with a shape such that after the device is expelled from the delivery device the second end of the body is co-axially aligned with and inserted into the first end of the body and the device can surround at least two of the chordae tendinae of a heart valve. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A system for treating a heart valve by surrounding a plurality of the chordae tendinae attached to the valve leaflets comprising
an elongate delivery catheter having a lumen; - and
a treatment device having an elongated, generally hollow body being constructed from a material having shape memory properties;
the body having an open first end, an open second end, and a channel communicating therethrough;
the first end of the body being larger in diameter than the second end of the body;
the device having a linear delivery configuration such that the device can be releasably disposed in the delivery catheter; and
the device having an annular treatment configuration with a shape such that after the device is expelled from the delivery device the second end of the body is co-axially aligned with and inserted into the first end of the body and the device can surround at least two of the chordae tendinae of a heart valve. - View Dependent Claims (19, 20)
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Specification