Tubular grafts and methods for use
AssigneeThe Board of Trustees of the Leland Stanford Junior University
InventorsY. Joseph Woo, Yuanjia Zhu
Life of this patent
Estimating the term…
Abstract
Prosthetic grafts are provided that include a tubular body formed from fabric comprising an open proximal end, an open distal end, and a passage extending along a central axis between the proximal and distal ends, wherein the tubular body comprises a first section extending from the proximal end towards the distal end having a first diameter, and a second section at the distal end having a second diameter greater than the first diameter to facilitate folding the second section over an adjacent region of the first section, e.g., to provide a thicker distal end having a substantially uniform diameter. Prosthetic grafts are provided, e.g., for implantation during Ross procedures.
Claims27
A prosthetic graft, comprising:
- a tubular body formed from fabric comprising an open proximal end, an open distal end, and a passage extending along a central axis between the proximal and distal ends,
- wherein the tubular body comprises a first section extending from the proximal end towards the distal end having a first diameter and an axial first length, and a second section at the distal end having a second diameter greater than the first diameter to facilitate folding the second section over an adjacent region of the first section, the second section having an axial second length shorter than the first length.
4-6. (canceled)
8-10. (canceled)
12-40. (canceled)
A prosthetic graft, comprising:
- a tubular body formed from fabric comprising an open proximal end, an open distal end, and a passage extending along a central axis between the proximal and distal ends;
- a sewing cuff extending around the perimeter of the proximal end;
- and
- a plurality of linear markings spaced apart from one another around a circumference of the tubular body, each linear marking extending along a wall of the tubular body at least partially between the proximal and distal ends.
The prosthetic graft of claim wherein the enclosed markings are spaced apart from one another at locations approximating locations of coronary arteries relative to an aortic root.
(canceled)
(canceled)
57-81. (canceled)
A method for replacing an aortic valve within a heart of a patient, comprising:
- providing a prosthetic graft including a tubular body formed from fabric comprising an open proximal end, an open distal end, and a passage extending along a central axis between the proximal and distal ends, a sewing cuff extending around the perimeter of the proximal end, and a plurality of linear markings spaced apart from one another around a circumference of the tubular body;
- attaching a prosthetic valve to the prosthetic graft to provide a composite inclusion graft;
- removing the aortic root adjacent a valve annulus of the aortic valve to create a separated end of the aorta;
- excising the native aortic valve from the valve annulus;
- introducing the composite inclusion graft such that the linear markings are aligned with commissures of the valve annulus;
- securing the sewing cuff adjacent the valve annulus;
- and
- securing the distal end of the tubular body to the separated end of the aorta.
83-103. (canceled)
Dependencies are inferred from the claim text.