Venous valve, system, and method with sinus pocket
First Claim
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1. A valve comprising:
- a first structural member that defines an elongate base portion having a first end, a second end, and an outer surface concentrically arranged relative a longitudinal axis, wherein the outer surface provides at least two points of a perimeter of a first elliptical plane orthogonal to and passing through the longitudinal axis, and wherein the first structural member at each of the first end and the second end includes a first curve and a second curve opposite the first curve with the first curve and the second curve of the first end positioned radially orthogonal to the first curve and the second curve of the second end of the base portion;
a second structural member that extends between the first end and the second end of the elongate base portion to define a bulbous portion, wherein the outer surface of the elongate base portion and the second structural member provide at least four points of a perimeter of a plane orthogonal to the longitudinal axis, wherein the plane has an area that is greater than the area of the first elliptical plane;
a valve leaflet connection location along the first structural member of the venous valve frame; and
at least two valve leaflets, each leaflet connected to the valve leaflet connection location.
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Abstract
A valve with a frame and valve leaflets that provide a sinus pocket. The valve provides for unidirectional flow of a liquid through the valve.
743 Citations
10 Claims
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1. A valve comprising:
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a first structural member that defines an elongate base portion having a first end, a second end, and an outer surface concentrically arranged relative a longitudinal axis, wherein the outer surface provides at least two points of a perimeter of a first elliptical plane orthogonal to and passing through the longitudinal axis, and wherein the first structural member at each of the first end and the second end includes a first curve and a second curve opposite the first curve with the first curve and the second curve of the first end positioned radially orthogonal to the first curve and the second curve of the second end of the base portion; a second structural member that extends between the first end and the second end of the elongate base portion to define a bulbous portion, wherein the outer surface of the elongate base portion and the second structural member provide at least four points of a perimeter of a plane orthogonal to the longitudinal axis, wherein the plane has an area that is greater than the area of the first elliptical plane; a valve leaflet connection location along the first structural member of the venous valve frame; and at least two valve leaflets, each leaflet connected to the valve leaflet connection location. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A system comprising:
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a delivery catheter defining a lumen; a valve joined to the delivery catheter, the valve comprising; a first structural member that defines an elongate base portion having a first end, a second end, and an outer surface concentrically arranged relative a longitudinal axis, wherein the outer surface provides at least two points of a perimeter of a first elliptical plane orthogonal to and passing through the longitudinal axis, and wherein the first structural member at each of the first end and the second end includes a first curve and a second curve opposite the first curve with the first curve and the second curve of the first end positioned radially orthogonal to the first curve and the second curve of the second end of the base portion; a second structural member that extends between the first end and the second end of the elongate base portion to define a bulbous portion, wherein the outer surface of the elongate base portion and the second structural member provide at least four points of a perimeter of a plane orthogonal to the longitudinal axis, wherein the plane has an area that is greater than the area of the first elliptical plane; a valve leaflet connection location along the first structural member of the venous valve frame; and at least two valve leaflets, each leaflet connected to the valve leaflet connection location; a deployment shaft disposed within the lumen of the catheter; and a sheath positioned at a distal end of the catheter, the valve configured to be at least partially positioned within the sheath.
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Specification