초록 ▼

The present application discloses an apparatus for treating vascular aneurysms and includes a radially expandable substantially cylindrical structure formed from a plurality of support members and defining a plurality of openings, and at least one reactive material strand selectively integrated into

The present application discloses an apparatus for treating vascular aneurysms and includes a radially expandable substantially cylindrical structure formed from a plurality of support members and defining a plurality of openings, and at least one reactive material strand selectively integrated into the substantially cylindrical structure. The reactive material is configured to assume a non-reacted state and a reacted state. The reactive material in the reacted state is configured to restrict a flow of blood to an aneurysm.

대표청구항 ▼

1. An intra-aneurysmal bridge device, comprising: a first engagement member having an elongated shape;a second engagement member having an elongated shape and being located adjacent to said first engagement member so as to cooperatively form a joint;a body member connected to said first engagement m

1. An intra-aneurysmal bridge device, comprising: a first engagement member having an elongated shape;a second engagement member having an elongated shape and being located adjacent to said first engagement member so as to cooperatively form a joint;a body member connected to said first engagement member and said second engagement member;a reactive material selectively applied to said first engagement member and said second engagement member, wherein expansion of said reactive material is activated a physiological pH for a period of time. 2. The intra-aneurysmal bridge device of claim 1, wherein said reactive material has a non-reacted state and a reacted state, wherein said reacted state further restricts blood flow to an aneurysm. 3. The intra-aneurysmal bridge device of claim 2, wherein said reactive material volumetrically expands in said reacted state. 4. The intra-aneurysmal bridge device of claim 3, wherein said reactive material is a hydrogel. 5. The intra-aneurysmal bridge device of claim 1, wherein said first engagement member, said second engagement member and said body member are a single, unitary member. 6. The intra-aneurysmal bridge device of claim 1, wherein said first engagement member and said second engagement member are curved. 7. The intra-aneurysmal bridge device of claim 6, wherein said first engagement member and said second engagement member are curved toward said body member. 8. The intra-aneurysmal bridge device of claim 1 wherein said intra-aneurysmal bridge is controllably detachable from an elongated delivery apparatus. 9. An intra-aneurysmal bridge device, comprising: an elongated member having a plurality of curves that form a body region, a first elongated engagement region, a second elongated engagement region, and a reactive material selectively applied to said first elongated engagement region and said second elongated engagement region, wherein expansion of said reactive material is activated by a physiological pH for a period of time;wherein said first elongated engagement region and said second elongated engagement region are positioned adjacent to each other so as to form a joint. 10. The intra-aneurysmal bridge device of claim 9, wherein said first elongated engagement region and said second elongated engagement region extend in opposite directions from each other. 11. The intra-aneurysmal bridge device of claim 9, wherein said reactive material has a non-reacted state and a reacted state, wherein said reacted state further restricts blood flow to an aneurysm. 12. The intra-aneurysmal bridge device of claim 11, wherein said reactive material volumetrically expands in said reacted state. 13. The intra-aneurysmal bridge device of claim 12, wherein said reactive material is a hydrogel. 14. The intra-aneurysmal bridge device of claim 9, wherein said first elongated engagement region and said second elongated engagement region are curved. 15. The intra-aneurysmal bridge device of claim 14, wherein said first elongated engagement region and said second elongated engagement region are curved toward said body region. 16. A method of aneurysm treatment comprising: advancing a bridge device within an aneurysm;engaging an inner surface of said aneurysm with a first elongated portion of said bridge device and a second elongated portion of said bridge device;maintaining said first elongated portion of said bridge device adjacent said second elongated portion of said bridge device;causing volumetric expansion of a reactive material disposed on said first elongated portion of said bridge device and said second elongated portion of said bridge device by exposure to a physiological pH for a period of time;allowing volumetric expansion of said reactive material after said exposure to said physiological pH for said period of time;reducing blood flow into said aneurysm with said first elongated portion of said bridge device and said second elongated portion of said bridge device. 17. The method of claim 16, wherein said first elongated portion of said bridge device and said second elongated portion of said bridge device have a radius of curvature of said inner surface of said aneurysm.