Patent US6792979B2 successfully refreshed from Google Patents.
US6792979B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods for creating woven devices
Assignee: The University of Texas System
•
Filing: 2002-09-16
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Granted: 2004-09-21
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Expires: 2022-09-16
Abstract
Abstract Self-expandable, woven intravascular devices for use as stents (both straight and tapered), filters (both temporary and permanent) and occluders for insertion and implantation into a variety of anatomical structures. The devices may be formed from shape memory metals such as nitinol. The devices may also be formed from biodegradable materials. Delivery systems for the devices include two hollow tubes that operate coaxially. A device is secured to the tubes prior to the implantation and delivery of the device by securing one end of the device to the outside of the inner tube and by securing the other end of the device to the outside of the outer tube. The stents may be partially or completely covered by graft materials, but may also be bare. The devices may be formed from a single wire. The devices may be formed by either hand or machine weaving. The devices may be created by bending shape memory wires around tabs projecting from a template, and weaving the ends of the wires to create the body of the device such that the wires cross each other to form a plurality of angles, at least one of the angles being obtuse. The value of the obtuse angle may be increased by axially compressing the body.
Inventors
- 👤 Andras Konya
- 👤 Hideki Hyodoh
- 👤 Kenneth C. Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:40
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/82; A61F2/86; A61F2/88; A61F2/01; A61F2/0105; A61F2/0108; A61F2/011; A61F2/02; A61F2/04; A61F2/06; A61F2/07; A61F2/90; D; D04; D04C; D04C1/00; D04C1/06; D04C3/00; D04C3/48; A61B; A61B17/00; A61B2017/00526; A61F2/95; A61F2/962; A61F2002/016; A61F2002/018; A61F2002/075; A61F2002/077; A61F2002/9505; A61F2002/9511; A61F2210/00; A61F2210/0004; A61F2210/0014; A61F2220/00; A61F2220/0008; A61F2220/0016; A61F2220/0025; A61F2220/005; A61F2220/0058; A61F2220/0075; A61F2230/00; A61F2230/0002; A61F2230/0004; A61F2230/0006; A61F2230/001; A61F2230/0015; A61F2230/0063; A61F2230/0065; A61F2230/0067; A61F2230/0069; A61F2230/0073; A61F2230/0076; A61F2230/0078; A61F2230/008; A61F2230/0091; A61F2230/0093; A61F2250/00; A61F2250/0014; A61F2250/0039; D10; D10B; D10B2509/00; D10B2509/06
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
126 words
A method of creating a body suitable for implantation into an anatomical structure, the body having two ends, the method comprising: providing a weaving system comprising: a template having first template projections; bending shape memory wires around the first template projections to create bent portions in the shape memory wires, the bent portions being arranged to define one end of the body, each shape memory wire having two ends; and weaving the ends of the shape memory wires around the template to create the body such that the shape memory wires cross each other to form a plurality of angles, at least one of the angles being obtuse; wherein the value of the at least one obtuse angle may be increased by axially compressing the body.
Claim 2
Independent Claim
126 words
A method of creating a body suitable for implantation into an anatomical structure, the body having two ends, the method comprising: providing a weaving system comprising: a template having first template projections; bending shape memory wires around the first template projections to create bent portions in the shape memory wires, the bent portions being arranged to define one end of the body, each shape memory wire having two ends; and weaving the ends of the shape memory wires around the template to create the body such that the shape memory wires cross each other to form a plurality of angles, at least one of the angles being obtuse; wherein the value of the at least one obtuse angle may be increased by axially compressing the body.
Claim 3
Dependent Claim
13 words
The method of claim 1 , wherein the first template projections comprise tabs.
Claim 4
Dependent Claim
13 words
The method of claim 1 , wherein the first template projections comprise pins.
Claim 5
Dependent Claim
18 words
The method of claim 3 , wherein the pins are attached to a ring engaged with the template.
Claim 6
Dependent Claim
26 words
The method of claim 1 , wherein the weaving system further comprises a first weaving plate configured to rotate in a first direction during the weaving.
Claim 7
Dependent Claim
37 words
The method of claim 5 , wherein the weaving system further comprises first bobbins arranged on the first weaving plate, one end of each shape memory wire being attached to each first bobbin prior to the weaving.
Claim 8
Dependent Claim
38 words
The method of claim 5 , wherein the weaving system further comprises a second weaving plate configured to rotate in a second direction during the weaving, the second weaving plate being spaced apart from the first weaving plate.
Claim 9
Dependent Claim
37 words
The method of claim 7 , wherein the weaving system further comprises second bobbins arranged on the second weaving plate, one end of each shape memory wire being attached to each second bobbin prior to the weaving.
Claim 10
Dependent Claim
16 words
The method of claim 1 , further comprising securing the shape memory wires to the template.
Claim 11
Dependent Claim
32 words
The method of claim 1 , further comprising forming closed structures with the ends of the shape memory wires, the closed structures being arranged to define the other end of the body.
Claim 12
Dependent Claim
14 words
The method of claim 1 , further comprising heating the body and the template.
Claim 13
Independent Claim
129 words
A method of creating a body suitable for implantation into an anatomical structure, the body having two ends, the method comprising: providing a weaving system comprising: a template having first template projections; bending shape memory wires around the first template projections to create bent portions in the shape memory wires, the bent portions being arranged to define one end of the body, each shape memory wire having two ends; and weaving the ends of the shape memory wires around the template to create the body such that the shape memory wires cross each other in non-interlocking fashion to form a plurality of angles, at least one of the angles being obtuse; where the value of the at least one obtuse angle may be increased by axially compressing the body.
Claim 14
Independent Claim
129 words
A method of creating a body suitable for implantation into an anatomical structure, the body having two ends, the method comprising: providing a weaving system comprising: a template having first template projections; bending shape memory wires around the first template projections to create bent portions in the shape memory wires, the bent portions being arranged to define one end of the body, each shape memory wire having two ends; and weaving the ends of the shape memory wires around the template to create the body such that the shape memory wires cross each other in non-interlocking fashion to form a plurality of angles, at least one of the angles being obtuse; where the value of the at least one obtuse angle may be increased by axially compressing the body.
Claim 15
Dependent Claim
13 words
The method of claim 12 , where the first template projections comprise tabs.
Claim 16
Dependent Claim
13 words
The method of claim 12 , where the first template projections comprise pins.
Claim 17
Dependent Claim
18 words
The method of claim 14 , where the pins are attached to a ring engaged with the template.
Claim 18
Dependent Claim
26 words
The method of claim 12 , where the weaving system further comprises a first weaving plate configured to rotate in a first direction during the weaving.
Claim 19
Dependent Claim
35 words
The method of claim 16 , weaving system further comprises first bobbins arranged on the first weaving plate, one end of each shape memory wire being attached to each first bobbin prior to the weaving.
Claim 20
Dependent Claim
38 words
The method of claim 16 , where the weaving system further comprises a second weaving plate configured to rotate in a second direction during the weaving, the second weaving plate being spaced apart from the first weaving plate.
Claim 21
Dependent Claim
37 words
The method of claim 18 , where the weaving system further comprises second bobbins arranged on the second weaving plate, one end of each shape memory wire being attached to each second bobbin prior to the weaving.
Claim 22
Dependent Claim
16 words
The method of claim 12 , further comprising securing the shape memory wires to the template.
Claim 23
Dependent Claim
32 words
The method of claim 12 , further comprising forming closed structures with the ends of the shape memory wires, the closed structures being arranged to define the other end of the body.
Claim 24
Dependent Claim
14 words
The method of claim 12 , further comprising heating the body and the template.
References Cited (Backward Citations)
US1945195A
Cited
US2836181A
Cited
US2936257A
Cited
US3620218A
Cited
US3463197A
Cited
GB1205743A
Cited
GB1183497A
Cited
US4850999A
Cited
US4655771B1
Cited
US4655771A
Cited
US4954126B1
Cited
GB2135585A
Cited
US4954126A
Cited
US4503569A
Cited
US5597378A
Cited
US5669936A
Cited
US4619246A
Cited
US4580568A
Cited
US5102417A
Cited
US4733665A
Cited
US4739762A
Cited
US4733665C2
Cited
US4776337A
Cited
US4733665B1
Cited
US4776337B1
Cited
US4739762B1
Cited
US5061275A
Cited
US4969458A
Cited
US5902332A
Cited
US5425739A
Cited
US4893543A
Cited
US5026377A
Cited
US5104404A
Cited
US5851217A
Cited
WO1991017789A1
Cited
US5360443A
Cited
US5219355A
Cited
US5135536A
Cited
US5419231A
Cited
US5350398A
Cited
USD359802S
Cited
US5425984A
Cited
US5551954A
Cited
US5395390A
Cited
US5772668A
Cited
US5643339A
Cited
US5707376A
Cited
US5443458A
Cited
US5478355A
Cited
US5679400A
Cited
US5411549A
Cited
US5632771A
Cited
US5485774A
Cited
US5716396A
Cited
US5389106A
Cited
US6007574A
Cited
EP0782841A2
Cited
US5876432A
Cited
US5683411A
Cited
US5800519A
Cited
US5766710A
Cited
WO1996001591A1
Cited
US5527324A
Cited
EP0701800A1
Cited
US5733327A
Cited
US5507769A
Cited
US6059752A
Cited
US5695469A
Cited
US5755708A
Cited
US5527282A
Cited
US5674277A
Cited
US6237460B1
Cited
US5769882A
Cited
US5591195A
Cited
US5713917A
Cited
WO1997016133A1
Cited
US5913896A
Cited
US5968088A
Cited
US5891191A
Cited
EP0804909A2
Cited
US5670161A
Cited
US5709701A
Cited
US5928279A
Cited
WO1998011847A1
Cited
WO1998019630A2
Cited
US5860998A
Cited
WO1998029043A1
Cited
DE19703482A1
Cited
US20010003801A1
Cited
WO1998033454A1
Cited
US5720735A
Cited
US5830229A
Cited
US5824053A
Cited
WO1998046168A1
Cited
EP0893108A2
Cited
WO1999032051A1
Cited
US5944738A
Cited
WO2000009059A2
Cited
WO2000044308A2
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2007-09-21 | 2008-03-22 | 2008-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2011-09-21 | 2012-03-22 | 2012-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2015-09-21 | 2016-03-22 | 2016-09-21 | $7700.00 | Window Closed / Lapsed |