Cardiac implant configured to receive a percutaneous prosthetic heart valve implantation
First Claim
1. An annuloplasty ring comprising an annuloplasty support frame, the support frame consisting of a single rigid curved segment defining a circumference surrounding a ring opening and having a first end and a second end, wherein in a first configuration the first end is positioned against and rigidly secured to the second end via a plastically-deformable connection to form a continuous loop, and in a second configuration the plastically-deformable connection is plastically deformed and the first end is permitted to move circumferentially with respect to the second end and expand the ring opening, wherein the annuloplasty support frame is configured to transform from the first configuration to the second configuration when subjected to a significant radially expansive force in vivo of at least 2 atm, and wherein the first and second ends remain rigidly secured together in the first configuration prior to being subjected to the radially expansive force and the transition from the first configuration to the second configuration occurs suddenly.
1 Assignment
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Accused Products
Abstract
The invention is a cardiac implant, and associated methods therefore, configured to repair and/or replace a native heart valve, and having a support frame configured to be reshaped into an expanded/changed form in order to receive and/or support an expandable prosthetic heart valve therein. The implant may be configured to have a generally rigid and/or expansion-resistant configuration when initially implanted to replace/repair a native valve (or other prosthetic heart valve), but to assume a generally non-rigid and/or expanded/expandable form when subjected to an outward force such as that provided by a dilation balloon. The implant may be configured to have a generally D-shaped configuration when initially implanted, but to assume a generally circular form when subjected to an outward force such as that provided by a dilation balloon.
148 Citations
18 Claims
- 1. An annuloplasty ring comprising an annuloplasty support frame, the support frame consisting of a single rigid curved segment defining a circumference surrounding a ring opening and having a first end and a second end, wherein in a first configuration the first end is positioned against and rigidly secured to the second end via a plastically-deformable connection to form a continuous loop, and in a second configuration the plastically-deformable connection is plastically deformed and the first end is permitted to move circumferentially with respect to the second end and expand the ring opening, wherein the annuloplasty support frame is configured to transform from the first configuration to the second configuration when subjected to a significant radially expansive force in vivo of at least 2 atm, and wherein the first and second ends remain rigidly secured together in the first configuration prior to being subjected to the radially expansive force and the transition from the first configuration to the second configuration occurs suddenly.
Specification