Sinus-engaging Valve Fixation Member
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Accused Products
Abstract
A prosthesis is provided for implantation at a native semilunar valve of a native valve complex, the native valve complex having three semilunar sinuses and three native commissures. The prosthesis includes a valve prosthesis support, which comprises a support structure comprising exactly three engagement arms that meet one another at three respective junctures. The engagement arms are shaped so as define three peak complexes at the three respective junctures, and three trough complexes, each of which is between two of the peak complexes. Upon implantation of the prosthesis, each of the engagement arms is at least partially disposed within a respective one of the semilunar sinuses, such that each of the peak complexes is disposed distal to and in rotational alignment with a respective one of the native commissures, and each of the trough complexes is disposed at least partially within the respective one of the semilunar sinuses.
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Citations
102 Claims
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1-90. -90. (canceled)
- 91. A self-expandable prosthesis for treating a diseased native heart valve, comprising a plurality of arms configured to be respectively positioned within a plurality of aortic sinuses of the native heart valve, a skirt portion configured to anchor the prosthesis within a patient, and at least one coupling member for releasably connecting the prosthesis to a catheter.
- 99. A catheter tip configured to sequentially release a prosthesis having a first plurality of arms, a second plurality of arms, and a plurality of male coupling members, the catheter tip comprising a device holder having a plurality of female coupling openings, each configured to receive a respective one of the plurality of male coupling member, each female coupling opening substantially complementary in shape to a respective one of the male coupling members.
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101. A catheter system for use in treating a heart valve, the catheter system comprising a catheter tip at a proximal end of the catheter system and including a device holder having at least one female coupling opening formed therein and configured to releasably connect to and retain a prosthesis via the at least one female coupling opening in a first pre-definable mode and sequentially release the prosthesis to a second pre-definable mode, wherein the prosthesis is in a folded state in its first mode and in an expanded state in its second mode.
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102. A catheter for implanting a prosthesis having a first plurality of arms, a second plurality of arms, and a skirt portion, comprising:
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a device holder configured to selectively fix the prosthesis to the catheter via a plurality of female coupling openings formed in the device holder; an overtube configured to selectively retain the first plurality of arms in a collapsed state; and a delivery tube configured to selectively retain the second plurality of arms and the skirt portion in a collapsed state.
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Specification