Prosthetic heart valve
First Claim
1. A prosthetic heart valve for implantation into a selected channel within the heart of a subject, wherein blood flows through the selected channel in a flow direction, the prosthetic heart valve comprising:
- a stent having an inner surface, the inner surface of the stent defining an interior region of the stent, wherein the stent is radially collapsible and expandable to an expanded configuration;
a lining skirt positioned within the interior space of the stent, wherein the lining skirt is radially collapsible and expandable with the stent;
a plurality of leaflets positioned within the interior region of the stent, each leaflet of the plurality of leaflets defining a free edge, an attachment edge, and a pair of spaced commissure regions, the attachment edge of each leaflet being attached to the stent such that each commissure region of each respective leaflet is positioned proximate a commissure region of an adjacent leaflet;
a suspension assembly comprising;
a central support structure coupled to the stent such that the central support structure is spaced from the plurality of leaflets in the flow direction; and
a plurality of elongate suspension members secured thereto the central support structure, at least one suspension member of the plurality of suspension members being secured thereto each respective leaflet,wherein, following implantation of the prosthetic heart valve within the selected channel, the suspension assembly is configured to mechanically reinforce the plurality of leaflets, wherein the attachment edge of each leaflet is attached to the stent through the lining skirt, and wherein the central support structure of the suspension assembly is coupled to the stent through the lining skirt.
2 Assignments
0 Petitions
Accused Products
Abstract
A prosthetic heart valve having a stent, a plurality of leaflets positioned within the stent, and a suspension assembly coupled to the leaflets and the stent. The suspension assembly includes a central support structure that is spaced from the plurality of leaflets in the direction of blood flow. A plurality of elongate suspension members are secured to the central support structure, and at least one elongate suspension member is secured to each leaflet of the valve, thereby providing mechanical reinforcement for the leaflets.
15 Citations
101 Claims
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1. A prosthetic heart valve for implantation into a selected channel within the heart of a subject, wherein blood flows through the selected channel in a flow direction, the prosthetic heart valve comprising:
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a stent having an inner surface, the inner surface of the stent defining an interior region of the stent, wherein the stent is radially collapsible and expandable to an expanded configuration; a lining skirt positioned within the interior space of the stent, wherein the lining skirt is radially collapsible and expandable with the stent; a plurality of leaflets positioned within the interior region of the stent, each leaflet of the plurality of leaflets defining a free edge, an attachment edge, and a pair of spaced commissure regions, the attachment edge of each leaflet being attached to the stent such that each commissure region of each respective leaflet is positioned proximate a commissure region of an adjacent leaflet; a suspension assembly comprising; a central support structure coupled to the stent such that the central support structure is spaced from the plurality of leaflets in the flow direction; and a plurality of elongate suspension members secured thereto the central support structure, at least one suspension member of the plurality of suspension members being secured thereto each respective leaflet, wherein, following implantation of the prosthetic heart valve within the selected channel, the suspension assembly is configured to mechanically reinforce the plurality of leaflets, wherein the attachment edge of each leaflet is attached to the stent through the lining skirt, and wherein the central support structure of the suspension assembly is coupled to the stent through the lining skirt. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A prosthetic heart valve for implantation into a selected channel within the heart of a subject, wherein blood flows through the selected channel in a flow direction, the prosthetic heart valve comprising:
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a stent having an inner surface, the inner surface of the stent defining an interior region of the stent; a plurality of leaflets positioned within the interior region of the stent, each leaflet of the plurality of leaflets defining a free edge, an attachment edge, and a pair of spaced commissure regions, the attachment edge of each leaflet being attached to the stent such that each commissure region of each respective leaflet is positioned proximate a commissure region of an adjacent leaflet; and a suspension assembly comprising; a central support structure coupled to the stent such that the central support structure is spaced from the plurality of leaflets in the flow direction; and a plurality of elongate suspension members secured thereto the central support structure, at least one suspension member of the plurality of suspension members being secured thereto each respective leaflet, wherein, following implantation of the prosthetic heart valve within the selected channel, the suspension assembly is configured to mechanically reinforce the plurality of leaflets, and wherein at least a portion of the central support structure is uniformly spaced from the inner surface of the stent and at least a portion of the central support structure is directly secured to the stent. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
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34. A prosthetic heart valve for implantation into a selected channel within the heart of a subject, wherein blood flows through the selected channel in a flow direction, the prosthetic heart valve comprising:
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a stent having an inner surface, the inner surface of the stent defining an interior region of the stent; a plurality of leaflets positioned within the interior region of the stent, each leaflet of the plurality of leaflets defining a free edge, an attachment edge, and a pair of spaced commissure regions, the attachment edge of each leaflet being attached to the stent such that each commissure region of each respective leaflet is positioned proximate a commissure region of an adjacent leaflet; and a suspension assembly comprising; a central support structure coupled to the stent such that the central support structure is spaced from the plurality of leaflets in the flow direction; and a plurality of elongate suspension members secured thereto the central support structure, at least one suspension member of the plurality of suspension members being secured thereto each respective leaflet, wherein, following implantation of the prosthetic heart valve within the selected channel, the suspension assembly is configured to mechanically reinforrce the plurality of leaflets, and wherein at least a portion of the central support structure is coupled to the stent by at least one connecting member and at least a portion of the central support structure is directly secured to the stent. - View Dependent Claims (35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50)
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51. A prosthetic heart valve for implantation into a selected channel within the heart of a subject, wherein blood flows through the selected channel in a flow direction, the prosthetic heart valve comprising:
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a stent having an inner surface, the inner surface of the stent defining an interior region of the stent; a plurality of leaflets positioned within the interior region of the stent, each leaflet of the plurality of leaflets defining a free edge, an attachment edge, and a pair of spaced commissure regions, the attachment edge of each leaflet being attached to the stent such that each commissure region of each respective leaflet is positioned proximate a commissure region of an adjacent leaflet; and a suspension assembly comprising; a central support structure coupled to the stent such that the central support structure is spaced from the plurality of leaflets in the flow direction; and a plurality of elongate suspension members secured thereto the central support structure, at least one suspension member of the plurality of suspension members being secured thereto each respective leaflet, wherein, following implantation of the prosthetic heart valve within the selected channel, the suspension assembly is configured to mechanically reinforce the plurality of leaflets, and wherein at least one suspension member of the plurality of suspension members is secured to each commissure region of at least one leaflet of the plurality of leaflets. - View Dependent Claims (52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67)
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68. A prosthetic heart valve for implantation into a selected channel within the heart of a subject, wherein blood flows through the selected channel in a flow direction, the prosthetic heart valve comprising:
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a stent having an inner surface, the inner surface of the stent defining an interior region of the stent; a plurality of leaflets positioned within the interior region of the stent, each leaflet of the plurality of leaflets defining a free edge, an attachment edge, and a pair of spaced commissure regions, the attachment edge of each leaflet being attached to the stent such that each commissure region of each respective leaflet is positioned proximate a commissure region of an adjacent leaflet; and a suspension assembly comprising; a central support structure coupled to the stent such that the central support structure is spaced from the plurality of leaflets in the flow direction; and a plurality of elongate suspension members secured thereto the central support structure, at least one suspension member of the plurality of suspension members being secured thereto each respective leaflet, wherein, following implantation of the prosthetic heart valve within the selected channel, the suspension assembly is configured to mechanically reinforce the plurality of leaflets, and wherein at least one suspension member of the plurality of suspension members is secured to the free edge of at least one leaflet of the plurality of leaflets. - View Dependent Claims (69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84)
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85. A prosthetic heart valve for implantation into a selected channel within the heart of a subject, wherein blood flows through the selected channel in a flow direction, the prosthetic heart valve comprising:
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a stent having an inner surface, the inner surface of the stent defining an interior region of the stent; a plurality of leaflets positioned within the interior region of the stent, each leaflet of the plurality of leaflets defining a free edge, an attachment edge, and a pair of spaced commissure regions, the attachment edge of each leaflet being attached to the stent such that each commissure region of each respective leaflet is positioned proximate a commissure region of an adjacent leaflet, wherein the free edge of at least one leaflet of the plurality of leaflets comprises an extended edge portion that, following implantation of the prosthetic heart valve within the selected chamber of the heart of the subject, is configured to project from the leaflet in the flow direction; and a suspension assembly comprising; a central support structure coupled to the stent such that the central support structure is spaced from the plurality of leaflets in the flow direction; and a plurality of elongate suspension members secured thereto the central support structure, at least one suspension member of the plurality of suspension members being secured thereto each respective leaflet, wherein, following implantation of the prosthetic heart valve within the selected channel, the suspension assembly is configured to mechanically reinforce the plurality of leaflets, and wherein at least one suspension member of the plurality of suspension members is secured to the extended edge portion of the at least one leaflet of the plurality of leaflets. - View Dependent Claims (86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101)
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Specification