Endovascular graft including substructure for positioning and sealing within vasculature
First Claim
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1. An endovascular graft system, comprising:
- a graft body;
an elongate positioning mechanism, the positioning mechanism facilitating intraluminally positioning the graft into a corporeal lumen; and
a sleeve attached to the graft body, the sleeve configured to route the elongate positioning mechanism through the graft.
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Abstract
An endovascular graft having an improved positioning mechanism capable of positioning and securing a bifurcated graft into a bifurcated vessel described. The graft can include a sleeve affixed to graft that is used in combination with a contralateral wire loop for placement of the graft within vasculature. The graft may include a structure for post deployment positioning into the bifurcated aneurysm area. Furthermore, the endovascular graft may be configured to form a sealing pocket that expands with induced fluid pressure and prevents fluid leaks at an attachment site.
214 Citations
40 Claims
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1. An endovascular graft system, comprising:
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a graft body;
an elongate positioning mechanism, the positioning mechanism facilitating intraluminally positioning the graft into a corporeal lumen; and
a sleeve attached to the graft body, the sleeve configured to route the elongate positioning mechanism through the graft. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 11)
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9. A system for treating a body lumen, comprising:
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a graft body;
an attachment system capable of intraluminally attaching a graft to a vessel wall, the attachment system including a frame configured to be affixed to the graft body and to assert an outwardly directed bias, the frame having a plurality of wall engaging members when the attachment system is expanded; and
a graft pocket formed in the graft body, the graft pocket being responsive to pressure provided by blood flow, the graft pocket acting as a sealing member. - View Dependent Claims (10, 12, 13, 14)
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15. An endovascular graft, comprising:
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a bifurcated graft formed of a superior member having a graft bifurcation and extending into an ipsilateral member and a contralateral member; and
a mating structure that releasably attaches the ipsilateral member and the contralateral members of the bifurcated graft, wherein the members are in the attached position during deployment and separated after post deployment positioning of the graft into the corporeal lumen. - View Dependent Claims (16, 17, 18, 19)
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20. An endovascular graft system, comprising:
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a graft body;
a sleeve attached to the graft body;
an expandable attachment system capable of intraluminally attaching the graft body to a vessel; and
a sealing member configured to radially surround the graft body. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. An endovascular graft for repairing a blood vessel, comprising:
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a graft body having a plurality of openings;
an expandable attachment system capable of intraluminally attaching a superior opening to a vessel; and
a sealing member radially affixed to the graft member attachment site to prevent blood leakage at the attachment site, the sealing member defined by tufted material formed of a suture that is stitched circumferentially in an in-and-out pattern forming suture loops around a circumference of the graft body. - View Dependent Claims (32)
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33. An endovascular graft for repairing a blood vessel, comprising:
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a graft body having a plurality of openings;
an expandable attachment system capable of intraluminally attaching a superior opening to a vessel; and
a sealing member radially affixed to the graft member attachment site to prevent blood leakage at the attachment site, the sealing member defined by tufted material is fabric formed from a non-woven web of loose fibers attached to the graft member walls by a suture thread, wherein the non-woven web has an in-air thickness of approximately 0.01 in. and a compressed thickness in the range of 0.007 in. to 0.008 in., and a width of approximately 5 cm. - View Dependent Claims (34)
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35. An endovascular graft, comprising:
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a bifurcated graft formed of a superior member having a graft bifurcation and extending into an ipsilateral member and a contralateral member; and
a mating structure that releasably attaches the ipsilateral member and the contralateral members of the bifurcated graft, wherein the members are in the attached position during deployment and separated after post deployment positioning of the graft into the corporeal lumen. - View Dependent Claims (36, 37, 38, 39, 40)
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Specification