CA2593239A1 - Filament-wound implantable devices - Google Patents

Filament-wound implantable devices Download PDF

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Publication number
CA2593239A1
CA2593239A1 CA002593239A CA2593239A CA2593239A1 CA 2593239 A1 CA2593239 A1 CA 2593239A1 CA 002593239 A CA002593239 A CA 002593239A CA 2593239 A CA2593239 A CA 2593239A CA 2593239 A1 CA2593239 A1 CA 2593239A1
Authority
CA
Canada
Prior art keywords
implantable device
filament
nitinol wire
group
crossing pattern
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002593239A
Other languages
French (fr)
Other versions
CA2593239C (en
Inventor
Edward H. Cully
Joseph A. Huppenthal
Craig T. Nordhausen
Michael J. Vonesh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WL Gore and Associates Inc
Original Assignee
Gore Enterprise Holdings, Inc.
Edward H. Cully
Joseph A. Huppenthal
Craig T. Nordhausen
Michael J. Vonesh
W. L. Gore & Associates, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gore Enterprise Holdings, Inc., Edward H. Cully, Joseph A. Huppenthal, Craig T. Nordhausen, Michael J. Vonesh, W. L. Gore & Associates, Inc. filed Critical Gore Enterprise Holdings, Inc.
Priority to CA2671930A priority Critical patent/CA2671930C/en
Publication of CA2593239A1 publication Critical patent/CA2593239A1/en
Application granted granted Critical
Publication of CA2593239C publication Critical patent/CA2593239C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
    • A61F2/06—Blood vessels
    • A61F2/07—Stent-grafts
    • A—HUMAN NECESSITIES
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    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/01—Filters implantable into blood vessels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
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    • A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
    • A—HUMAN NECESSITIES
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    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
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    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
    • A61B17/12109—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
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    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
    • A61B17/12109—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
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    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
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    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
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    • A61B2017/00526—Methods of manufacturing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
    • A61B2017/00575—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect for closure at remote site, e.g. closing atrial septum defects
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    • A61B2017/00575—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect for closure at remote site, e.g. closing atrial septum defects
    • A61B2017/00592—Elastic or resilient implements
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    • A61B2017/00575—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect for closure at remote site, e.g. closing atrial septum defects
    • A61B2017/00597—Implements comprising a membrane
    • A—HUMAN NECESSITIES
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    • A61B2017/00575—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect for closure at remote site, e.g. closing atrial septum defects
    • A61B2017/00606—Implements H-shaped in cross-section, i.e. with occluders on both sides of the opening
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/01—Filters implantable into blood vessels
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
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    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
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    • A61F2230/0073—Quadric-shaped
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Abstract

A self-expanding implantable medical device formed from one or more non-interlocking filaments. Stents, stent-grafts, occluder devices, and filters are manufactured from one or more filaments utilizing a non-interlocking crossing pattern.

Claims (33)

1. An implantable device comprising a self-expanding structure having a crossing pattern of at least one filament;

wherein the crossing pattern is non-interlocking.
2. The implantable device of claim 1 wherein the non-interlocking crossing pattern allows the expandable structure to be removed after deployment by pulling on one end of the filament.
3. The implantable device of claim 1 wherein the crossing pattern includes bonded crossover points.
4. The implantable device of claim 3 wherein the filament comprises nitinol wire.
5. The implantable device of claim 4 wherein the nitinol wire has an outer surface of which at least a portion is provided with a covering of polytetrafluoroethylene.
6. The implantable device of claim 1 wherein the filament comprises nitinol wire.
7. The implantable device of claim 6 wherein the nitinol wire has an outer surface of which at least a portion is provided with a covering of polytetrafluoroethylene.
8. The implantable device of claim 1 configured for use as a stent.
9. The implantable device of claim 8 wherein the crossing pattern includes bonded crossover points.
10. The implantable device of claim 8 wherein the filament comprises nitinol wire.
11. The implantable device of claim 1 configured for use as a stent-graft.
12. The implantable device of claim 11 wherein the crossing pattern includes bonded crossover points.
13. The implantable device of claim 11 wherein the filament comprises nitinol wire.
14. The implantable device of claim 1 configured for use as an occluder.
15. The implantable device of claim 14 wherein the crossing pattern includes bonded crossover points.
16. The implantable device of claim 14 wherein the filament comprises nitinol wire.
17. The implantable device of claim 1 configured for use as a vena cava filter.
18. The implantable device of claim 17 wherein the crossing pattern includes bonded crossover points.
19. The implantable device of claim 17 wherein the filament comprises nitinol wire.
20. An implantable device comprising at least one filament forming multiple layers of a self-expanding tubular structure;
wherein an innermost layer of the tubular structure consists of a single winding of the filament forming a full revolution of the tubular structure that does not cross over itself.
21. The implantable device of claim 20 wherein multiple layers include a crossing pattern having bonded crossover points.
22. The implantable device of claim 21 wherein the filament comprises nitinol wire.
23. The implantable device of claim 21 wherein the nitinol wire has an outer surface of which at least a portion is provided with a covering of polytetrafluoroethylene.
24. The implantable device of claim 20 wherein the filament comprises nitinol wire.
25. The implantable device of claim 24 wherein the nitinol wire has an outer surface of which at least a portion is provided with a covering of polytetrafluoroethylene.
26. An implantable device comprising a diametrically expandable tubular structure made of at least one filament wherein said filament has a multiplicity of length portions separated by apices wherein the filament is bent to form each of said apices;
wherein said length portions are arranged in two directions such that a first group of said length portions are oriented at an angle to a second group of said length portions;
wherein said length portions of said first group cross multiple length portions of said second group such that a length portion of said first group either crosses over or under a length portion of said second group; and wherein a length portion of said first group crosses over a number of length portions of said second group that is a different number than that crossed over by an adjacent length portion of said first group.
27. The implantable device of claim 26 wherein the crossing pattern includes bonded crossover points.
28. The implantable device of claim 26 wherein the filament comprises nitinol wire.
29. The implantable device of claim 28 wherein the nitinol wire has an outer surface of which at least a portion is provided with a covering of polytetrafluoroethylene.
30. The implantable device of claim 26 configured for use as a stent.
31. The implantable device of claim 26 configured for use as a stent-graft.
32. The implantable device of claim 26 configured for use as an occluder.
33. The implantable device of claim 26 configured for use as a vena cava filter.
CA2593239A 2004-12-22 2005-12-15 Filament-wound implantable devices Active CA2593239C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2671930A CA2671930C (en) 2004-12-22 2005-12-15 Filament-wound implantable devices

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/020,867 US9545300B2 (en) 2004-12-22 2004-12-22 Filament-wound implantable devices
US11/020,867 2004-12-22
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