Prosthetic valve with S-shaped tissue anchors
First Claim
1. A prosthetic valve for implantation within a native mitral valve, the prosthetic valve comprising:
- an annular valve body; and
a plurality of ventricular anchoring legs, each ventricular anchoring leg comprising;
a proximal leg end secured to the annular valve body, anda terminal leg end opposite from the proximal leg end,wherein a length of each ventricular anchoring leg that extends between the proximal and terminal leg ends thereof is configured to extend radially outward from the annular valve body,wherein at least one ventricular anchoring leg includes;
a first surface extending between the proximal leg end and terminal leg end of the at least one ventricular anchoring leg, the first surface having a first curved leg portion situated between the proximal leg end and the terminal leg end, wherein the first curved leg portion is configured to have a convex arrangement with respect to a longitudinal axis of the annular valve body, anda second surface extending between the proximal leg end and terminal leg end of the at least one ventricular anchoring leg, the second surface being situated on an opposite side of the ventricular anchoring leg from the first surface and having a second curved leg portion situated between the first curved leg portion and the terminal leg end, wherein the second curved leg portion is configured to have a concave arrangement with respect to the longitudinal axis of the annular valve body,wherein at least one of the first curved leg portion and the second curved leg portion of the at least one ventricular anchoring leg is situated at the same angular position about the longitudinal axis of the annular valve body as the proximal leg end of the at least one ventricular anchoring leg, andwherein a portion of the annular valve body situated downstream from the proximal leg end of the at least one ventricular anchoring leg is configured to remain in a radially-reduced configuration while the at least one ventricular anchoring leg extends radially outward from the annular valve body.
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0 Petitions
Accused Products
Abstract
Embodiments of the present disclosure are directed to prosthetic valves and methods of use thereof. In one implementation, a prosthetic valve may include an annular valve body and a plurality of ventricular anchoring legs configured to extend radially outward from the annular valve body. At least one ventricular anchoring leg may include a first concave portion situated between the valve body and a terminal end of the leg, and a second concave portion situated between the first concave portion and the terminal end of the leg. The first concave portion may face radially outward, while the second concave portion may face radially inward. At least one of the first concave portion and the second concave portion may be angularly aligned with a point of connection between the at least one leg and the valve body.
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Citations
21 Claims
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1. A prosthetic valve for implantation within a native mitral valve, the prosthetic valve comprising:
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an annular valve body; and a plurality of ventricular anchoring legs, each ventricular anchoring leg comprising; a proximal leg end secured to the annular valve body, and a terminal leg end opposite from the proximal leg end, wherein a length of each ventricular anchoring leg that extends between the proximal and terminal leg ends thereof is configured to extend radially outward from the annular valve body, wherein at least one ventricular anchoring leg includes; a first surface extending between the proximal leg end and terminal leg end of the at least one ventricular anchoring leg, the first surface having a first curved leg portion situated between the proximal leg end and the terminal leg end, wherein the first curved leg portion is configured to have a convex arrangement with respect to a longitudinal axis of the annular valve body, and a second surface extending between the proximal leg end and terminal leg end of the at least one ventricular anchoring leg, the second surface being situated on an opposite side of the ventricular anchoring leg from the first surface and having a second curved leg portion situated between the first curved leg portion and the terminal leg end, wherein the second curved leg portion is configured to have a concave arrangement with respect to the longitudinal axis of the annular valve body, wherein at least one of the first curved leg portion and the second curved leg portion of the at least one ventricular anchoring leg is situated at the same angular position about the longitudinal axis of the annular valve body as the proximal leg end of the at least one ventricular anchoring leg, and wherein a portion of the annular valve body situated downstream from the proximal leg end of the at least one ventricular anchoring leg is configured to remain in a radially-reduced configuration while the at least one ventricular anchoring leg extends radially outward from the annular valve body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A prosthetic valve for implantation within a native mitral valve, the prosthetic valve comprising:
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an annular valve body; a plurality of ventricular anchoring legs, each ventricular anchoring leg comprising; a proximal leg end secured to the annular valve body, and a terminal leg end opposite from the proximal leg end, wherein a length of each ventricular anchoring leg that extends between the proximal and terminal leg ends thereof is configured to extend radially outward from the annular valve body; and a plurality of atrial anchoring arms configured to extend radially outward from the annular valve body, wherein each atrial anchoring arm comprises; a proximal arm end secured to the annular valve body, and a terminal arm end opposite from the proximal arm end, wherein at least one ventricular anchoring leg includes; a first surface extending between the proximal leg end and terminal leg end of the at least one ventricular anchoring leg, the first surface having a first curved leg portion situated between the proximal leg end and the terminal leg end, wherein the first curved leg portion is configured to have a convex arrangement with respect to a longitudinal axis of the annular valve body, and a second surface extending between the proximal leg end and terminal leg end of the at least one ventricular anchoring leg, the second surface being situated on an opposite side of the ventricular anchoring leg from the first surface and having a second curved leg portion situated between the first curved leg portion and the terminal leg end, wherein the second curved leg portion is configured to have a concave arrangement with respect to the longitudinal axis of the annular valve body, wherein at least one of the first curved leg portion and the second curved leg portion of the at least one ventricular anchoring leg is situated at the same angular position about the longitudinal axis of the annular valve body as the proximal leg end of the at least one ventricular anchoring leg, and wherein at least one atrial anchoring arm includes; a first curved arm portion situated between the proximal arm end and the terminal arm end of the at least one atrial anchoring arm, the first curved arm portion configured to face in a downstream direction when the prosthetic valve is in a radially-expanded configuration; and a second curved arm portion situated between the first curved arm portion and the terminal arm end of the at least one atrial anchoring arm, the second curved arm portion configured to face in an upstream direction when the prosthetic valve is in the radially-expanded configuration. - View Dependent Claims (10, 11)
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12. A prosthetic valve for implantation within a native mitral valve, the prosthetic valve comprising:
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an annular valve body; a plurality of ventricular anchoring legs, each ventricular anchoring leg comprising; a proximal leg end secured to the annular valve body, and a terminal leg end opposite from the proximal leg end, wherein a length of each ventricular anchoring leg that extends between the proximal and terminal leg ends thereof is configured to extend radially outward from the annular valve body; and a plurality of atrial anchoring arms configured to extend radially outward from the annular valve body, wherein each atrial anchoring arm comprises; a proximal arm end secured to the annular valve body, and a terminal arm end opposite from the proximal arm end, wherein at least one ventricular anchoring leg includes; a first surface extending between the proximal leg end and terminal leg end of the at least one ventricular anchoring leg, the first surface having a first curved leg portion situated between the proximal leg end and the terminal leg end, wherein the first curved leg portion is configured to have a convex arrangement with respect to a longitudinal axis of the annular valve body, and a second surface extending between the proximal leg end and terminal leg end of the at least one ventricular anchoring leg, the second surface being situated on an opposite side of the ventricular anchoring leg from the first surface and having a second curved leg portion situated between the first curved leg portion and the terminal leg end, wherein the second curved leg portion is configured to have a concave arrangement with respect to the longitudinal axis of the annular valve body, wherein at least one of the first curved leg portion and the second curved leg portion of the at least one ventricular anchoring leg is situated at the same angular position about the longitudinal axis of the annular valve body as the proximal leg end of the at least one ventricular anchoring leg, and wherein when the prosthetic valve is in a radially-expanded configuration, a portion of the at least one ventricular anchoring leg is configured to be situated at the same position along the longitudinal axis of the annular valve body as a portion of at least one atrial anchoring arm.
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13. A prosthetic valve for implantation within a native mitral valve, the prosthetic valve comprising:
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an annular valve body; and a plurality of ventricular anchoring legs, each ventricular anchoring leg having a proximal leg end secured to the annular valve body and a terminal leg end opposite from the proximal leg end, at least one ventricular anchoring leg including; a first concave portion situated between the proximal leg end and the terminal leg end of the at least one ventricular anchoring leg, the first concave portion configured to face radially outward, and a second concave portion situated between the first concave portion and the terminal leg end of the at least one ventricular anchoring leg, the second concave portion configured to face radially inward, wherein at least one of the first concave portion and the second concave portion of the at least one ventricular anchoring leg is angularly aligned with the proximal leg end of the at least one ventricular anchoring leg, wherein the at least one ventricular anchoring leg is configured to move between a compressed state and a fully-expanded state, wherein a length of the at least one ventricular anchoring leg that extends between the proximal and terminal leg ends thereof is configured to extend radially outward from the annular valve body and in an upstream direction when the at least one ventricular anchoring leg is arranged in the compressed state and in the fully-expanded state, and wherein a portion of the annular valve body situated downstream from the proximal leg end of the at least one ventricular anchoring leg is configured to remain in a radially-reduced configuration while the at least one ventricular anchoring leg extends radially outward from the annular valve body. - View Dependent Claims (14, 15)
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16. A prosthetic valve for implantation within a native mitral valve, the prosthetic valve comprising:
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a valve body including an annular outer frame and an inner frame situated at least partially within the outer frame; a plurality of atrial anchoring arms configured to extend radially outward from the valve body, each atrial anchoring arm comprising; a proximal arm end secured to the inner frame, and a terminal arm end opposite from the proximal arm end; and a plurality of ventricular anchoring legs configured to extend radially outward from the valve body, the prosthetic valve comprising at least as many ventricular anchoring legs as atrial anchoring arms, each ventricular anchoring leg comprising; a proximal leg end secured to the outer frame, and a terminal leg end opposite from the proximal leg end, wherein at least one ventricular anchoring leg includes; a first surface extending between the proximal leg end and terminal leg end of the at least one ventricular anchoring leg, the first surface having a first curved leg portion situated between the proximal leg end and the terminal leg end, wherein the first curved leg portion is configured to have a convex arrangement with respect to a longitudinal axis of the valve body, and a second surface extending between the proximal leg end and terminal leg end of the at least one ventricular anchoring leg, the second surface being situated on an opposite side of the ventricular anchoring leg from the first surface and having a second curved leg portion situated between the first curved leg portion and the terminal leg end, wherein the second curved leg portion is configured to have a concave arrangement with respect to the longitudinal axis of the valve body. - View Dependent Claims (17, 18, 19, 20, 21)
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Specification