Retaining mechanisms for prosthetic valves
First Claim
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1. A method, comprising:
- advancing a support member so that the support member at least partially surrounds native leaflets of a heart valve, the support member comprising a locking member coupled to a proximal end of the support member;
advancing a distal end of the support member to engage the locking member and couple the distal end of the support member to the locking member to form a closed loop support band that at least partially surrounds the native leaflets; and
expanding a prosthetic heart valve inside the closed loop support band so that the native leaflets are in contact with an outside surface of the prosthetic device and an inside surface of the support band.
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Abstract
Disclosed herein are representative embodiments of methods, apparatus, and systems used to deliver a prosthetic heart valve to a deficient valve. In one embodiment, for instance, a support member is positioned to at least partially surround the native leaflets of a valve. A locking member is used to couple both ends of the support member, forming a support band. An expandable prosthetic heart valve is delivered into the native heart valve and expanded while the expandable prosthetic valve is at least partially within the support band, thereby causing one or more of the native leaflets of the native heart valve to be frictionally secured between the support band and the expanded prosthetic heart valve.
444 Citations
11 Claims
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1. A method, comprising:
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advancing a support member so that the support member at least partially surrounds native leaflets of a heart valve, the support member comprising a locking member coupled to a proximal end of the support member; advancing a distal end of the support member to engage the locking member and couple the distal end of the support member to the locking member to form a closed loop support band that at least partially surrounds the native leaflets; and expanding a prosthetic heart valve inside the closed loop support band so that the native leaflets are in contact with an outside surface of the prosthetic device and an inside surface of the support band. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification