Minimally invasive treatment system for aortic aneurysms
First Claim
Patent Images
1. An endoluminal prosthesis comprising:
- a radially expandable tubular segment having a first end, a second end, a lumen interconnecting the first end and the second end, and a connection portion defining an opening in the tubular segment in fluid communication with the lumen, the connection portion including a converging portion, an annular diverging portion and an annular neck portion interconnecting the converging portion and the diverging portion.
1 Assignment
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Accused Products
Abstract
An endoluminal prosthesis (10) comprises a radially expandable tubular segment (12) having a first end (32), a second end (34), a lumen interconnecting the first end (32) and the second end (34). A connection portion (52) defines an opening in the tubular segment (12) in fluid communication with the lumen. The connection portion (52) includes a converging portion (54), an annular diverging portion (56) and an annular neck portion (58) interconnecting the converging portion (52) and the diverging portion (56).
324 Citations
57 Claims
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1. An endoluminal prosthesis comprising:
a radially expandable tubular segment having a first end, a second end, a lumen interconnecting the first end and the second end, and a connection portion defining an opening in the tubular segment in fluid communication with the lumen, the connection portion including a converging portion, an annular diverging portion and an annular neck portion interconnecting the converging portion and the diverging portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. An endoluminal prosthesis comprising:
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a first radially expandable tubular segment that includes a first lumen;
a second radially expandable tubular segment that includes a second lumen; and
a junction connecting the first radially expandable tubular segment and the second radially expandable tubular segment, the junction allowing fluid flow from the first lumen to the second lumen, the junction comprising an annular converging portion, an annular diverging portion and an annular neck portion interconnecting the converging portion and the diverging portion. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. An endoluminal prosthesis for treating a suprarenal abdominal aortic aneurysm, the endoluminal prosthesis comprising:
a radially expandable tubular trunk segment having a first end, a second end, a lumen interconnecting the first end and the second end, and at least two connection portions defining openings in a mid-portion of the trunk segment between the first end and the second end of the trunk segment, the openings in the mid-portion being in fluid communication with the lumen of the trunk segment, at least one of the connection portions comprising an annular converging portion, an annular diverging portion and an annular neck portion interconnecting the converging portion and the diverging portion. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35)
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36. A method of treating an aortic aneurysm, said method comprising the steps of:
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deploying a first radially expandable tubular segment, the first segment having a first end, a second end, a lumen interconnecting the first end and the second end, and a first connection portion defining an opening in a mid-portion of the first segment between the first end and the second end, the first connection portion including a converging portion, an annular diverging portion and an annular neck portion interconnecting the converging portion and the diverging portion; and
deploying a second radially expandable tubular segment, the second segment including a distal end, a proximal end, a lumen interconnecting the distal end and the proximal end, and a second connection portion defining an opening in the either end in fluid communication with the lumen, the second connection portion including a converging portion, an annular diverging portion and an annular neck portion interconnecting the converging portion and the diverging portion, the second connection portion and the first connection portion forming an end-to-side junction which allows fluid flow between the first segment and the second segment.
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37. A method of treating an infrarenal abdominal aortic aneurysm requiring only unilateral arterial access, said method comprising the steps of:
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advancing a guide wire through an arterial access site in the ipsilateral iliac or femoral artery, over the aortic bifurcation and at least partially into the contralateral iliac artery, advancing over the guide wire a first delivery system containing a first radially expandable tubular segment, the first segment having a first end, a second end, a lumen interconnecting the first end and the second end, and a first connection portion defining an opening in a mid-portion of the first segment between the first end and the second end, the first connection portion including a converging portion, an annular diverging portion and an annular neck portion interconnecting the converging portion and the diverging portion, deploying the first segment into both iliac arteries, over the aortic bifurcation, such that said the opening is deployed near the apex of the bifurcation or directly into the aorta, re-positioning the guide wire, or placing a new wire, so that it extends from the arterial access site through the opening in the mid-portion of the first segment and into the aorta, advancing over the guide wire placed into the aorta a second delivery system containing a second radially expandable tubular segment, the second segment including a distal end, a proximal end, a lumen interconnecting the distal end and the proximal end, and a second connection portion defining an opening in the distal end in fluid communication with the lumen, the second connection portion including a converging portion, an annular diverging portion and an annular neck portion interconnecting the converging portion and the diverging portion, and deploying the second segment into the aorta such that the second connection portion and the first connection portion form and end-to-side junction that allows fluid flow between the first segment and the second segment.
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38. A method of treating an suprarenal abdominal aortic aneurysm requiring only unilateral arterial access, said method comprising the steps of:
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deploying a radially expandable tubular trunk segment having a first end, a second end, a lumen interconnecting the first end and the second end, and at least two connection portions defining openings in a mid-portion of the trunk segment between the first end and the second end of the trunk segment, the openings in the mid-portion being in fluid communication with the lumen of the trunk segment, at least one of the connection portions comprising an annular converging portion, an annular diverging portion and an annular neck portion interconnecting the converging portion and the diverging portion; and
deploying a radially expandable tubular branch segment, the branch segment having a first end, a second end, a lumen interconnecting the first end and the second end, and a second connection portion, the second connection portion including a converging portion, an annular diverging portion and an annular neck portion interconnecting the converging portion and the diverging portion, the second connection portion being capable of joining with at least one of the connection portions of the trunk segment in situ to form a mechanical junction that allows fluid flow between the trunk segment and the branch segment.
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39. An endovascular prosthesis comprising,
a radially expandable tubular graft layer having a first end, a second end and a lumen extending between the first end and the second end, the first end including a plurality of substantially radially oriented hooks that extend from the graft layer to provide a fluid tight seal between graft layer of the first end and a wall of the vasculature.
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47. An endovascular prosthesis comprising,
a radially expandable tubular graft layer having a first end, a second end and a lumen extending along an axis between the first end and the second end, the first end including a plurality of substantially radially oriented hooks, the hooks being curved to enter a wall of a vasculature upon axial rotation of the endovascular prosthesis and draw the first end into close apposition to the wall so as to form a fluid tight seal between the graft layer of the first end and the wall of the vasculature
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53. An endovascular prosthesis comprising,
a radially expandable tubular graft layer having a first end, a second end and a lumen extending along an axis between the first end and a second end, the first end including an anchoring means for substantially inhibiting axial motion of the endovascular prosthesis relative to the vasculature and a sealing means to provide a fluid tight seal between graft layer of the first end and a wall of the vasculature, the anchoring means and sealing means being separate from one another.
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56. A method of deploying an endovascular prosthesis within a vasculature, the method comprising the steps of:
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providing an endovascular prosthesis that includes a radially expandable tubular graft layer having a first end, a second end, a lumen extending between the first end and the second end, and a plurality of substantially radially oriented hooks extending from the first end, the hooks being curved to enter a wall of the vasculature upon axial rotation of the endovascular prosthesis, and rotationally embedding the substantially radially oriented hooks of the first end into the wall of the vasculature to achieve a fluid-tight seal.
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57. A method of forming a fluid tight seal between an endovascular prosthesis and a wall of a vasculature, the method comprising the steps of:
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providing an endovascular prosthesis that includes a radially expandable tubular graft layer having a first end, a second end, a lumen extending between the first end and the second end, and a plurality of substantially radially oriented hooks extending from the first end, the hooks being curved to enter a wall of the vasculature upon axial rotation of the endovascular prosthesis, and rotationally embedding the substantially radially oriented hooks of the first end into the wall of the vasculature.
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Specification