CA2515438C - Stent - Google Patents
Stent Download PDFInfo
- Publication number
- CA2515438C CA2515438C CA2515438A CA2515438A CA2515438C CA 2515438 C CA2515438 C CA 2515438C CA 2515438 A CA2515438 A CA 2515438A CA 2515438 A CA2515438 A CA 2515438A CA 2515438 C CA2515438 C CA 2515438C
- Authority
- CA
- Canada
- Prior art keywords
- expandable stent
- stent according
- section
- cross
- lumen
- 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.)
- Expired - Fee Related
Links
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
- A61F2/82—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
-
- 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
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/844—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents folded prior to deployment
-
- 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
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/92—Stents in the form of a rolled-up sheet expanding after insertion into the vessel, e.g. with a spiral shape in cross-section
-
- 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
- A61F2002/047—Urethrae
-
- 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
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30108—Shapes
- A61F2002/30199—Three-dimensional shapes
-
- 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
- A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2210/0014—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof using shape memory or superelastic materials, e.g. nitinol
-
- 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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0004—Rounded shapes, e.g. with rounded corners
- A61F2230/001—Figure-8-shaped, e.g. hourglass-shaped
-
- 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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0017—Angular shapes
- A61F2230/0023—Angular shapes triangular
-
- 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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0028—Shapes in the form of latin or greek characters
- A61F2230/0054—V-shaped
-
- 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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0063—Three-dimensional shapes
Abstract
A stent with at least one cross-section having either a vertex or having first and second contour points where the radius of curvature of the first point is at least 2.5 times the radius of curvature of the second point.
Claims (15)
1. An expandable stent for maintaining the patency of a body lumen, the stent having a lumen having at least one cross-section having a shape selected from:
(a) a closed triangular cross-section having bent sides; and (b) an open triangular cross-section having curved sides.
(a) a closed triangular cross-section having bent sides; and (b) an open triangular cross-section having curved sides.
2. The expandable stent according to claim 1, having a lumen having at least one cross-section having a shape containing at least one vertex.
3. The expandable stent according to claim 1, having a lumen having at least one cross-section having a shape containing first and second outer contour points where the radius of curvature of the boundary of the cross-section at the first outer contour point is at least 2.5 times the radius of curvature of the boundary of the cross-section at the second outer contour point.
4. The expandable stent according to any of claims 1-3 having a lumen having at least one cross-section having a contour including at least one line segment.
5. The expandable stent according to any of claims 1-3 formed from an elastic material.
6. The expandable stent according to any of claims 1-3 formed from a shape memory alloy.
7. The expandable stent according to any of claims 1-3 formed from a shape memory polymer.
8. An expandable stent according to any of claims 1-3 wherein the stent is fenestrated.
9. The expandable stent according to any of claims 1-3 being a permanent stent.
10. The expandable stent according to any of claims 1-3 being a temporary stent.
11. A system comprising an expandable stent according to any of claims 1-3 attached to a lumenal lining.
12. A system comprising an expandable stent according to any of claims 1-3 attached to a lumenal anchor.
13. A system comprising an expandable stent according to any of claims 1-3, attached to a lumenal lining and a lumenal anchor.
14. A system comprising an expandable stent according to any of claims 1-3 and a device for deploying the stent.
15. An expandable stent according to any of claims 1-3 configured to release one or more substances.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/370,592 | 2003-02-24 | ||
US10/370,592 US9333102B2 (en) | 2003-02-24 | 2003-02-24 | Stent |
PCT/IL2004/000174 WO2004073556A1 (en) | 2003-02-24 | 2004-02-23 | Stent |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2515438A1 CA2515438A1 (en) | 2004-09-02 |
CA2515438C true CA2515438C (en) | 2012-08-21 |
Family
ID=32868191
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2515438A Expired - Fee Related CA2515438C (en) | 2003-02-24 | 2004-02-23 | Stent |
Country Status (8)
Country | Link |
---|---|
US (1) | US9333102B2 (en) |
EP (1) | EP1599153B1 (en) |
JP (1) | JP4771425B2 (en) |
AT (1) | ATE487437T1 (en) |
CA (1) | CA2515438C (en) |
DE (1) | DE602004029986D1 (en) |
ES (1) | ES2356079T3 (en) |
WO (1) | WO2004073556A1 (en) |
Families Citing this family (47)
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US8668705B2 (en) | 2005-05-20 | 2014-03-11 | Neotract, Inc. | Latching anchor device |
US7645286B2 (en) | 2005-05-20 | 2010-01-12 | Neotract, Inc. | Devices, systems and methods for retracting, lifting, compressing, supporting or repositioning tissues or anatomical structures |
US8628542B2 (en) | 2005-05-20 | 2014-01-14 | Neotract, Inc. | Median lobe destruction apparatus and method |
US9549739B2 (en) | 2005-05-20 | 2017-01-24 | Neotract, Inc. | Devices, systems and methods for treating benign prostatic hyperplasia and other conditions |
US10195014B2 (en) | 2005-05-20 | 2019-02-05 | Neotract, Inc. | Devices, systems and methods for treating benign prostatic hyperplasia and other conditions |
US10925587B2 (en) | 2005-05-20 | 2021-02-23 | Neotract, Inc. | Anchor delivery system |
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US20030093142A1 (en) * | 2001-10-16 | 2003-05-15 | Elazer Edelman | Stent concept for minimization of deployment related wall shear and injury |
US20030083746A1 (en) * | 2001-10-31 | 2003-05-01 | Kuslich Stephen D. | Vertebral spacer for spinal stabilization |
US7186237B2 (en) * | 2002-02-14 | 2007-03-06 | Avantec Vascular Corporation | Ballon catheter for creating a longitudinal channel in a lesion and method |
US20030187498A1 (en) * | 2002-03-28 | 2003-10-02 | Medtronic Ave, Inc. | Chamfered stent strut and method of making same |
IL149828A (en) | 2002-05-23 | 2007-09-20 | Ronnie Levi | Medical device having a tubular portion |
US6733536B1 (en) * | 2002-10-22 | 2004-05-11 | Scimed Life Systems | Male urethral stent device |
US8282678B2 (en) * | 2002-11-13 | 2012-10-09 | Allium Medical Solutions Ltd. | Endoluminal lining |
US7004971B2 (en) * | 2002-12-31 | 2006-02-28 | Depuy Acromed, Inc. | Annular nucleus pulposus replacement |
US20040193141A1 (en) * | 2003-02-14 | 2004-09-30 | Leopold Eric W. | Intravascular flow modifier and reinforcement device and deployment system for same |
-
2003
- 2003-02-24 US US10/370,592 patent/US9333102B2/en not_active Expired - Lifetime
-
2004
- 2004-02-23 EP EP04713627A patent/EP1599153B1/en not_active Expired - Lifetime
- 2004-02-23 ES ES04713627T patent/ES2356079T3/en not_active Expired - Lifetime
- 2004-02-23 CA CA2515438A patent/CA2515438C/en not_active Expired - Fee Related
- 2004-02-23 DE DE602004029986T patent/DE602004029986D1/en not_active Expired - Lifetime
- 2004-02-23 JP JP2006502643A patent/JP4771425B2/en not_active Expired - Fee Related
- 2004-02-23 AT AT04713627T patent/ATE487437T1/en not_active IP Right Cessation
- 2004-02-23 WO PCT/IL2004/000174 patent/WO2004073556A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
JP4771425B2 (en) | 2011-09-14 |
EP1599153A1 (en) | 2005-11-30 |
WO2004073556A1 (en) | 2004-09-02 |
CA2515438A1 (en) | 2004-09-02 |
DE602004029986D1 (en) | 2010-12-23 |
US9333102B2 (en) | 2016-05-10 |
EP1599153B1 (en) | 2010-11-10 |
JP2006518626A (en) | 2006-08-17 |
US20040167635A1 (en) | 2004-08-26 |
ATE487437T1 (en) | 2010-11-15 |
WO2004073556B1 (en) | 2004-10-07 |
ES2356079T3 (en) | 2011-04-04 |
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EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20180223 |