Adjustable and retrievable graft and graft delivery system for stent-graft system and methods of implantation
First Claim
1. A method of implanting a graft of a stent-graft system within an aneurysm in a hollow-body organ or vessel, the method comprising steps of:
- providing a graft having first and second end regions, a loop affixed to the graft near the first end region, the loop having first and second ends and a predetermined circumference, the loop assuming an elongated shape when compressed for delivery and resuming an expanded shape when the draft is deployed, the loop spreading the graft to an expanded diameter when the graft is deployed, substantially without the loop sliding relative to the graft;
providing a delivery device having a manipulation lead disposed in an outer sheath, the manipulation lead including engagement means for releasably engaging the first and second ends;
engaging the engagement means with the first and second ends;
inserting the graft into the outer sheath of the delivery device by compressing the loop to assume an elongated shape;
inserting the delivery device transluminally to deliver the graft to a position in the vicinity of the aneurysm;
deploying the graft by retracting the outer sheath, the loop resuming the expanded shape and spreading the graft to the expanded diameter, substantially without the loop sliding relative to the graft; and
moving the manipulation lead to adjust the graft to a desired position relative to the aneurysm.
1 Assignment
0 Petitions
Accused Products
Abstract
Graft apparatus, delivery devices and methods for use in stent-graft systems are provided for use in treating aneurysms occurring in hollow-body organs or vessels and for treating arterio-venous fistulas. The graft and graft delivery devices provide the clinician with complete control over the location of the graft at any time prior to implantation of the stents, even when the graft is completely deployed from its introducer catheter. The graft and graft delivery devices also permit retrieval of the graft should it be desired to substitute a graft of a different size or to abort the procedure.
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Citations
14 Claims
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1. A method of implanting a graft of a stent-graft system within an aneurysm in a hollow-body organ or vessel, the method comprising steps of:
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providing a graft having first and second end regions, a loop affixed to the graft near the first end region, the loop having first and second ends and a predetermined circumference, the loop assuming an elongated shape when compressed for delivery and resuming an expanded shape when the draft is deployed, the loop spreading the graft to an expanded diameter when the graft is deployed, substantially without the loop sliding relative to the graft; providing a delivery device having a manipulation lead disposed in an outer sheath, the manipulation lead including engagement means for releasably engaging the first and second ends; engaging the engagement means with the first and second ends; inserting the graft into the outer sheath of the delivery device by compressing the loop to assume an elongated shape; inserting the delivery device transluminally to deliver the graft to a position in the vicinity of the aneurysm; deploying the graft by retracting the outer sheath, the loop resuming the expanded shape and spreading the graft to the expanded diameter, substantially without the loop sliding relative to the graft; and moving the manipulation lead to adjust the graft to a desired position relative to the aneurysm. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of implanting a graft of a stent-graft system within an aneurysm in a hollow-body organ or vessel, the method comprising steps of:
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providing a graft having first and second end regions, a loop affixed to the graft near the first end region, the loop having first and second ends and a predetermined circumference, the loop assuming an elongated shape when compressed for delivery and resuming an expanded shape when the graft is deployed, the loop spreading the graft to an expanded diameter when the graft is deployed, substantially without the loop sliding relative to the graft; providing a delivery device having a first manipulation lead and an outer sheath, the first manipulation lead including engagement means for releasably engaging the graft; engaging the engagement means with the first and second ends of the loop; inserting the graft into the outer sheath of the delivery device by compressing the loop to assume an elongated shape; inserting the delivery device transluminally to deliver the graft to a position in the vicinity of the aneurysm; deploying the graft by retracting the outer sheath, the loop resuming the expanded shape and spreading the graft to the expanded diameter, substantially without the loop sliding relative to the graft; and moving the first manipulation lead to adjust the graft to a desired position relative to the aneurysm. - View Dependent Claims (11, 12, 13, 14)
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Specification