US5782904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intraluminal graft
Assignee: W.L. Gore and Associates Inc
•
Filing: 1994-09-29
•
Granted: 1998-07-21
•
Expires: 2014-09-29
Abstract
Abstract An intraluminal graft (10) includes a tubular graft body (11) formed of a film or fabric which is reinforced along its length by a plurality of separate spaced apart maleable wires (17). Each of the wires (17) has a generally closed sinusoidal or zig-zag shape. A wire (17) located adjacent to one end of the graft body (11) has alternate crests or apices that project beyond that end of the graft body (11). The graft (10) may be inserted intraluminally into the body of a patient in a collapsed condition within a catheter. Once positioned to bridge across an aneurysm within the patient's arterial system the graft (10) may be expanded radially by a balloon to bridge the aneurysm and occlude the aneurysmal sack.
Inventors
- 👤 Geoffrey H. White
- 👤 Weiyun Yu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:12
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/04; A61F2/06; A61F2/07; A61F2/95; A61F2/958; A61F2/82; A61F2/86; A61F2/89; A61F2002/075; A61F2230/00; A61F2230/0002; A61F2230/0004; A61F2230/0013
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
95 words
An intraluminal graft comprising a tubular graft body having a length, a first end and a second end, and which is circumferentially reinforced along its length by a plurality of separate, spaced-apart wires, each of which has a generally closed sinusoidal shape, a first wire being located adjacent to the first end of the graft body such that alternate apices of the first wire projects beyond at least part of the first end; and wherein the first end of the graft includes an edge which is scalloped between each projecting apex of the first wire.
Claim 2
Dependent Claim
95 words
An intraluminal graft comprising a tubular graft body having a length, a first end and a second end, and which is circumferentially reinforced along its length by a plurality of separate, spaced-apart wires, each of which has a generally closed sinusoidal shape, a first wire being located adjacent to the first end of the graft body such that alternate apices of the first wire projects beyond at least part of the first end; and wherein the first end of the graft includes an edge which is scalloped between each projecting apex of the first wire.
Claim 3
Dependent Claim
40 words
An intraluminal graft as claimed in claim 1 in which the first and second ends of the graft body are each provided with a wire which has alternate apices extending beyond the first and second ends of the graft body.
Claim 4
Dependent Claim
22 words
An intraluminal graft as claimed in claim 1 in which the first wire has a greater amplitude than the next adjacent wire.
Claim 5
Dependent Claim
32 words
An intraluminal graft as claimed in claim 1 in which wires adjacent the first end of the graft body are more closely spaced than wires intermediate the ends of the graft body.
Claim 6
Dependent Claim
25 words
An intraluminal graft as claimed in claim 1 in which the wavelength of the wires is substantially constant along the length of the graft body.
Claim 7
Dependent Claim
33 words
An intraluminal graft as claimed in claim 1 in which the first wire has a greater amplitude and a smaller wavelength than at least a majority of the other wires in the graft.
Claim 8
Dependent Claim
42 words
An intraluminal graft as claimed in claim 1 in which the wires are interwoven with the graft body such that alternate portions of the wire are outside of the graft body with the remaining portions of the wire inside the graft body.
Claim 9
Dependent Claim
35 words
An intraluminal graft as claimed in claim 7 in which the graft body has an outer surface, and wherein the ends of each wire are twisted together on the outer surface of the graft body.
Claim 10
Dependent Claim
23 words
An intraluminar graft as claimed in claim 1 in which the alternate apices extend completely beyond the first end of the graft body.
Claim 11
Dependent Claim
89 words
A method for positioning an intraluminal graft, comprising introducing a catheter having a proximal end into a vein, artery or other vessel in the body, causing an intraluminal graft as claimed in claim 1 to be carried through the catheter on an inflatable balloon until the graft extends into the vessel from the proximal end of the catheter, inflating the balloon to cause the wires to be urged into contact with the wall of the vessel, deflating the balloon and withdrawing the balloon and the catheter from the vessel.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-07-20 | 2002-01-19 | 2002-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-07-20 | 2006-01-19 | 2006-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-07-20 | 2010-01-19 | 2010-07-21 | $7700.00 | Window Closed / Lapsed |