Artificial valve with center leaflet attachment
First Claim
Patent Images
1. An artificial valve prosthesis for regulating fluid flow through a body vessel, comprising:
- a support structure comprising an outer frame defining a lumen and a transverse member traversing the lumen and dividing the lumen into a first lumen segment and a second lumen segment;
a first valve leaflet and a second valve leaflet, wherein portions of a perimeter of the first valve leaflet and portions of a perimeter of the second valve leaflet are attached to the transverse member and to the outer frame, and wherein portions of the perimeter of the first and the second valve leaflets are not attached to the transverse member or the outer frame, wherein the first valve leaflet is positioned within the first lumen segment and the second valve leaflet is positioned within the second lumen segment, and wherein the first and second valve leaflets are deformable between a first position allowing fluid flow in a first, antegrade, direction to a second position restricting fluid flow in a second, retrograde, direction.
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Abstract
The present invention provides self-expanding or otherwise expandable artificial valve prostheses for deployment within a bodily passageway, such as a vessel or duct of a patient. The valve prostheses include a support structure having an outer frame and supporting a valve leaflet.
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Citations
20 Claims
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1. An artificial valve prosthesis for regulating fluid flow through a body vessel, comprising:
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a support structure comprising an outer frame defining a lumen and a transverse member traversing the lumen and dividing the lumen into a first lumen segment and a second lumen segment;
a first valve leaflet and a second valve leaflet, wherein portions of a perimeter of the first valve leaflet and portions of a perimeter of the second valve leaflet are attached to the transverse member and to the outer frame, and wherein portions of the perimeter of the first and the second valve leaflets are not attached to the transverse member or the outer frame, wherein the first valve leaflet is positioned within the first lumen segment and the second valve leaflet is positioned within the second lumen segment, and wherein the first and second valve leaflets are deformable between a first position allowing fluid flow in a first, antegrade, direction to a second position restricting fluid flow in a second, retrograde, direction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 20)
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10. An artificial valve prosthesis for regulating fluid flow through a body vessel, comprising:
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a support structure comprising an outer frame defining a lumen and a plurality of radial members each having a first end and a second end, wherein the first ends of the plurality of radial members are joined within the lumen and wherein the second end of each of the plurality of radial members is attached to the outer frame at a position proximal of the first ends of the radial members;
a plurality of valve leaflets, wherein a first portion of a perimeter of each of the plurality of valve leaflets is attached to adjacent radial members, wherein a second portion of the perimeter of each of the plurality of valve leaflets extends between the adjacent radial members and wherein the plurality of valve leaflets form an enclosure having an proximal opening defined by the portions of the perimeter of the plurality of valve leaflets extending between the adjacent radial members, wherein each of the plurality of valve leaflets is deformable between a first position allowing fluid flow in a first, antegrade, direction to a second position restricting fluid flow in a second, retrograde, direction. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. An artificial valve prosthesis for regulating fluid flow through a blood vessel, comprising:
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a support structure comprising an outer frame which defines a lumen with two ends and comprises a transverse member located near one end of the lumen and attached to the outer frame so as to divide the lumen into two portions, two valve leaflets each having an end attached to the transverse member, an end partially attached to the outer frame near the end opposite the transverse member and two sides attached along a length of the outer frame, wherein the valve leaflets are deformable between a first position that permits fluid flow in an antegrade direction through the blood vessel and a second position that restricts fluid flow in a retrograde direction.
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19. An artificial valve prosthesis for regulating fluid flow through a blood vessel, comprising:
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a support structure comprising an outer frame defining a lumen with two ends, two valve leaflets joined at one end to form a joined end, the joined end extending across the lumen near one end of the lumen so as to divide the lumen into two portions, each valve leaflet having an end partially attached to the outer frame near the end of the lumen opposite the joined end and two sides attached along a length of the outer frame, wherein the valve leaflets are deformable between a first position that permits fluid flow in an antegrade direction through the blood vessel and a second position that restricts fluid flow in a retrograde direction.
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Specification