Endoluminal prosthesis having expandable graft sections
First Claim
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1. An endoluminal prosthesis to provide a lumen for the flow of body fluid therethrough, the endoluminal prosthesis comprising:
- a tubular graft comprising a graft material forming a lumen for the flow of body fluid therethrough; and
at least one annular support member coupled to the graft material for supporting the graft material;
wherein the graft material comprises a first graft material and at least one section of a second graft material attached to the first graft material, wherein the second graft material is different from the first graft material;
the prosthesis comprises a semi-cylindrical portion configured to curve to define a smaller curved portion of the prosthesis; and
wherein the at least one section of the second graft material is located on said semi-cylindrical portion and the second graft material is configured to bend to form the smaller curved portion without obstructing the lumen for the flow of body fluid.
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Abstract
An endoluminal prosthesis comprises a tubular member having a proximal opening and a distal opening providing a lumen through which body fluids may flow. The tubular member is constructed of a graft material. The tubular graft is formed of a first material such as a woven fiber or other suitable material for conducting fluid, and sections of a second material configured to extend or contract to permit the tubular graft to flex or straighten to conform to the anatomy in which it is deployed.
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Citations
10 Claims
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1. An endoluminal prosthesis to provide a lumen for the flow of body fluid therethrough, the endoluminal prosthesis comprising:
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a tubular graft comprising a graft material forming a lumen for the flow of body fluid therethrough; and at least one annular support member coupled to the graft material for supporting the graft material; wherein the graft material comprises a first graft material and at least one section of a second graft material attached to the first graft material, wherein the second graft material is different from the first graft material;
the prosthesis comprises a semi-cylindrical portion configured to curve to define a smaller curved portion of the prosthesis; and
wherein the at least one section of the second graft material is located on said semi-cylindrical portion and the second graft material is configured to bend to form the smaller curved portion without obstructing the lumen for the flow of body fluid. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of conforming an endoluminal prosthesis to the anatomical curvatures of a body lumen comprising the steps of:
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providing an endoluminal prosthesis comprising; a tubular graft comprising a graft material forming a lumen for the flow of body fluid therethrough wherein the graft material comprises a first graft material and at least one section of a second graft material coupled to the first graft material wherein the second graft material is different from the first graft material;
the at least one section of a second graft material comprises a semi-cylindrical portion configured to curve to define a smaller curved portion of the prosthesis; and
wherein the at least one section of the second graft material is located on said semi-cylindrical portion and the second graft material is configured to bend to form the smaller curved portion without obstructing the lumen for the flow of body fluid;delivering the endoluminal prosthesis within a body lumen to a treatment site; and
deploying the prosthesis so second graft material curves or straightens to conform to the curvature of the vessel without obstructing flow of blood through the lumen. - View Dependent Claims (8, 9, 10)
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Specification