TRANSAPICAL MITRAL CHORDAE REPLACEMENT
First Claim
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1. A chordae replacement device, comprising:
- a first anchor for coupling to a native valve leaflet;
a second anchor for coupling to heart tissue; and
a filament adapted for connection between the first anchor and the second anchor so as to limit the movement of the native valve leaflet away from the second anchor.
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Abstract
A chordae replacement device includes a first anchor for coupling to a native valve leaflet, a second anchor for coupling to heart tissue and a filament adapted for connection between the first anchor and the second anchor so as to limit the movement of the native valve leaflet away from the second anchor.
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Citations
20 Claims
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1. A chordae replacement device, comprising:
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a first anchor for coupling to a native valve leaflet; a second anchor for coupling to heart tissue; and a filament adapted for connection between the first anchor and the second anchor so as to limit the movement of the native valve leaflet away from the second anchor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A delivery device for implanting a chordae replacement device having a first anchor, a second anchor and a filament at a deployment site in a patient, the delivery device comprising:
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an outer shaft; an inner sheath disposed within the outer shaft and translatable relative to the outer shaft, the inner sheath being coupleable to the first anchor; and a piercing wire disposed within the inner sheath and translatable relative to the inner sheath. - View Dependent Claims (14, 15, 16)
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17. A method of deploying a chordae replacement device at a target site, the chordae replacement device including a first anchor for coupling to a native valve leaflet, a second anchor for coupling to heart wall tissue and a filament having one end connected to the first anchor, and a free end, the method comprising:
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introducing a delivery device to the target site, the delivery device including an outer shaft, an inner sheath disposed within the outer shaft and translatable relative to the outer shaft, and a piercing wire disposed within the inner sheath and translatable relative to the inner sheath; penetrating the native valve leaflet with the piercing wire; advancing the first anchor over the piercing wire to deploy the first anchor in engagement with the native valve leaflet; withdrawing the delivery system toward the heart wall; deploying the second anchor in engagement with the heart wall; and connecting the filament to the second anchor to define a fixed length of filament between the first anchor and the second anchor. - View Dependent Claims (18, 19, 20)
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Specification