Rail stent-graft for repairing abdominal aortic aneurysm

• US 20050033405A1
• Filed: 11/14/2003
• Published: 02/10/2005
• Est. Priority Date: 08/15/2002
• Status: Abandoned Application

• Current Assignee: Gmp/Cardiac Care Incorporated
• Original Assignee: Gmp/Cardiac Care Incorporated
• Inventors: Solovay, Kenneth S.
• Application Number:
  US10/713,855
• Publication Number:
  US 20050033405A1
• Time in Patent Office: Days
• US Class Current: 623/1.130
• CPC Class Codes: A61F 2/07 Stent-grafts
• CPC Class Codes: A61F 2/89 the wire-like elements comprising two or more adjacent rings flexibly connected by separate members
• CPC Class Codes: A61F 2002/075 the stent being loosely attached to the graft material, e.g. by stitching
• CPC Class Codes: A61F 2002/828 Means for connecting a plurality of stents allowing flexibility of the whole structure

Abstract

A rail stent-graft with increased longitudinal flexibility and sealing properties that is deployable within a body lumen, such as the aorta, for repairing an aneurysm. The rail stent-graft includes an anchoring assembly for securing the rail stent-graft to a portion of the vessel above a junction with another vessel.

Claims

1. A rail stent-graft comprising:

an elongated stent assembly comprising at least one vessel support element and being positionable on a first side of a junction of at least two vessels;

an elongated stent-graft assembly comprising at least one vessel support element and at least one graft element, said stent-graft assembly being positionable on a second side of the junction of the at least two vessels, and

at least one rail element extending between said stent assembly and said stent-graft assembly, each said assembly being moveable along and relative to said at least one rail element.

2. The stent-graft according to claim 1, wherein said graft portion includes circumferential rings spaced along said axis, and wherein said at least one rail element is received in a plurality of said longitudinally spaced rings.

3. The stent-graft according to claim 1, wherein said stent assembly and said stent-graft assembly each include a plurality of vessel support elements.

4. The stent-graft according to claim 3, wherein said vessel support elements are substantially circumferential in cross section.

5. The stent-graft according to claim 1, wherein said graft element is formed of expanded Polytetrafluroethylene.