Braided Flange Branch Graft for Branch Vessel
First Claim
1. An assembly comprising a braided flange branch graft around a tubular opening, said braided flange branch graft formed from a braided super elastic memory material, said braided flange branch graft comprising:
- a first flange;
a second flange;
a neck between said first flange and said second flange; and
a trunk extending longitudinally from said second flange;
wherein said tubular opening is the beginning of a substantially unobstructed passageway through and substantially along an axis of the braided flange.
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Accused Products
Abstract
A braided flange branch graft formed of a braided super elastic memory material includes a neck between an inner flange and an outer flange. The neck is positioned in a side opening in a sidewall of a main stent graft and the inner flange and outer flange are deployed on opposite sides of the sidewall. The inner flange and the outer flange have a diameter greater than a diameter of the side opening in the sidewall of the main stent graft. Thus, the sidewall of the main stent graft is sandwiched between the inner flange and the outer flange securely and simply mounting the braided flange branch graft to the main stent graft. The braided flange has a substantially unobstructed fluid communication passage therethrough. Further, when stretched into a substantially cylindrical shape for delivery, the braided flange branch graft has a small delivery profile and is extremely flexible.
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Citations
31 Claims
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1. An assembly comprising a braided flange branch graft around a tubular opening, said braided flange branch graft formed from a braided super elastic memory material, said braided flange branch graft comprising:
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a first flange; a second flange; a neck between said first flange and said second flange; and a trunk extending longitudinally from said second flange; wherein said tubular opening is the beginning of a substantially unobstructed passageway through and substantially along an axis of the braided flange. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. An assembly comprising:
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a main stent graft comprising a sidewall with a side opening therein; and a braided flange branch graft connected to said main stent graft, said braided flange branch graft formed from a braided super elastic memory material, said braided flange branch graft elements comprising; a first flange on an inside of said main stent graft; a second flange on an outside of said main stent graft; a neck between said first flange and said second flange, said neck being located in said side opening; and a trunk extending longitudinally from said second flange, where a substantially unobstructed side passage provides fluid communication through said braided flange elements through said side opening. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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21. A delivery system comprising:
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a braided flange branch graft formed from a braided super elastic memory material, said braided flange branch graft comprising; a first flange; a second flange; a neck between said first flange and said second flange; and a trunk extending longitudinally from said second flange, said braided flange branch graft being stretched into a substantially cylindrical shape; a handle; an inner member extending distally from said handle, said braided flange branch graft being located over a distal end of said inner member; a neck hook connected to said neck of said braided flange branch graft; an inner end hook connected to an inner end of said braided flange branch graft, said first flange being stretched between said inner end hook and said neck hook; and a base hook connected to a base of said trunk, said second flange being stretched between said neck hook and said base hook. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29)
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30. A method of forming an intra-vascular assembly comprising:
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deploying a main stent graft comprising a sidewall having a side opening therein; stretching a braided flange branch graft into a substantially cylindrical shape, said braided flange branch graft formed from a braided super elastic memory material, said braided flange branch graft element comprising; a first flange; a second flange; a neck between said first flange and said second flange; and a trunk extending longitudinally from said second flange, where a substantially unobstructed passage for fluid communication is provided through said braided flange element; positioning said neck within said side opening; deploying said first flange inside of said main stent graft; and deploying said second flange outside of said main stent graft, wherein said sidewall of said main stent graft is sandwiched between said first flange and said second flange. - View Dependent Claims (31)
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Specification