JPWO2013065218A1 - ステント - Google Patents
ステント Download PDFInfo
- Publication number
- JPWO2013065218A1 JPWO2013065218A1 JP2013541594A JP2013541594A JPWO2013065218A1 JP WO2013065218 A1 JPWO2013065218 A1 JP WO2013065218A1 JP 2013541594 A JP2013541594 A JP 2013541594A JP 2013541594 A JP2013541594 A JP 2013541594A JP WO2013065218 A1 JPWO2013065218 A1 JP WO2013065218A1
- Authority
- JP
- Japan
- Prior art keywords
- stent
- linear body
- axial direction
- portions
- stent according
- 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
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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
- A61F2/82—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
- A61F2/91—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 made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
- A61F2/915—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 made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
-
- 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
- A61F2/91—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 made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
- A61F2/915—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 made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
- A61F2002/9155—Adjacent bands being connected to each other
-
- 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
- A61F2/91—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 made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
- A61F2/915—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 made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
- A61F2002/9155—Adjacent bands being connected to each other
- A61F2002/91575—Adjacent bands being connected to each other connected peak to trough
-
- 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
- A61F2210/0004—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof bioabsorbable
-
- 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
- A61F2230/0091—Three-dimensional shapes helically-coiled or spirally-coiled, i.e. having a 2-D spiral 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/0071—Additional features; Implant or prostheses properties not otherwise provided for breakable or frangible
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Physics & Mathematics (AREA)
- Vascular Medicine (AREA)
- Optics & Photonics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
Abstract
Description
Claims (11)
- 円筒状の周壁部を有していると共に、該周壁部が軸方向に所定の振幅で往復しながら周方向螺旋状に延びる線状体によって形成されたステントにおいて、
前記線状体における軸方向で隣接する部分を連結する接続部が形成されていると共に、体内管腔への留置によって破断されて該接続部による連結を解除する脆弱部を設けたことを特徴とするステント。 - 前記接続部の連結方向に直交して広がる断面の面積が、前記線状体の長さ方向に直交して広がる断面の面積よりも小さくされることにより前記脆弱部が構成されている請求項1に記載のステント。
- 前記線状体の軸方向での往復振幅が全体に亘って略一定とされている請求項1又は2に記載のステント。
- 前記線状体の軸方向に対する螺旋の傾斜角度が端部になるにつれて次第に大きくなって垂直に近づくようにされている請求項1又は2に記載のステント。
- 前記線状体の長さ方向で複数の前記接続部が形成されており、該線状体の長さ方向の中間部分に位置する該接続部には前記脆弱部が設けられている一方、該線状体の長さ方向の両端部分に位置する該接続部には該脆弱部が設けられておらず、体内管腔への留置後も連結状態に保持される請求項1〜4の何れか1項に記載のステント。
- 複数の前記接続部が一定の間隔で設けられている請求項1〜5の何れか1項に記載のステント。
- 前記線状体における軸方向で隣接する部分がレーザーで相互に溶接されることにより前記脆弱部が形成されている請求項1〜6の何れか1項に記載のステント。
- 前記線状体における軸方向で隣接する部分に近接突出部が設けられており、該近接突出部がレーザーで相互に溶接されることにより前記脆弱部が形成されている請求項7に記載のステント。
- 前記線状体の長さ方向の両端が拡幅された円板状部とされている請求項1〜8の何れか1項に記載のステント。
- 前記線状体に材質の異なる被着体が固着されており、該被着体によって前記脆弱部を有する前記接続部が形成されている請求項1〜9の何れか1項に記載のステント。
- 前記被着体が生分解性樹脂で形成されている請求項10に記載のステント。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011241306 | 2011-11-02 | ||
JP2011241306 | 2011-11-02 | ||
PCT/JP2012/005248 WO2013065218A1 (ja) | 2011-11-02 | 2012-08-22 | ステント |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2013065218A1 true JPWO2013065218A1 (ja) | 2015-04-02 |
JP6218115B2 JP6218115B2 (ja) | 2017-10-25 |
Family
ID=48191603
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013541594A Active JP6218115B2 (ja) | 2011-11-02 | 2012-08-22 | ステント |
Country Status (7)
Country | Link |
---|---|
US (1) | US9925075B2 (ja) |
EP (1) | EP2774585B1 (ja) |
JP (1) | JP6218115B2 (ja) |
CN (1) | CN103906484B (ja) |
MY (1) | MY167271A (ja) |
SG (1) | SG11201401398XA (ja) |
WO (1) | WO2013065218A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8382821B2 (en) | 1998-12-03 | 2013-02-26 | Medinol Ltd. | Helical hybrid stent |
US20040267349A1 (en) | 2003-06-27 | 2004-12-30 | Kobi Richter | Amorphous metal alloy medical devices |
US9155639B2 (en) * | 2009-04-22 | 2015-10-13 | Medinol Ltd. | Helical hybrid stent |
CN105848611B (zh) * | 2013-12-24 | 2019-01-29 | 尼普洛株式会社 | 支架 |
JP2016112388A (ja) * | 2014-12-16 | 2016-06-23 | ニプロ株式会社 | ステントデリバリカテーテル |
EP3238668A4 (en) * | 2014-12-26 | 2018-08-15 | Terumo Kabushiki Kaisha | Stent |
EP3263073A4 (en) * | 2015-02-27 | 2018-10-24 | Terumo Kabushiki Kaisha | Stent and method for manufacturing stent |
JP6598152B2 (ja) * | 2015-09-18 | 2019-10-30 | テルモ株式会社 | ステント |
CN106420127B (zh) * | 2016-10-15 | 2019-03-15 | 郑州大学第一附属医院 | 一种顺应食管蠕动性全贴合食管支架 |
JP6955189B2 (ja) * | 2016-12-05 | 2021-10-27 | ニプロ株式会社 | ステントデリバリカテーテルおよびステントデリバリカテーテルの製造方法 |
US11432950B2 (en) * | 2017-03-23 | 2022-09-06 | Nipro Corporation | Stent |
CN109091275B (zh) * | 2018-08-24 | 2024-01-30 | 四川大学 | 生物可降解支架 |
CN113133856B (zh) * | 2021-04-20 | 2022-12-13 | 北京弘海微创科技有限公司 | 一种z型编织支架 |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04126558U (ja) * | 1991-04-30 | 1992-11-18 | 加藤発条株式会社 | 管状器官の拡張具 |
JP2000316983A (ja) * | 1999-03-05 | 2000-11-21 | Terumo Corp | 生体留置用ステントおよび生体器官拡張器具 |
JP2002052086A (ja) * | 2000-05-16 | 2002-02-19 | Cordis Corp | ステント |
US20050125051A1 (en) * | 2003-12-05 | 2005-06-09 | Scimed Life Systems, Inc. | Detachable segment stent |
JP2008511424A (ja) * | 2004-09-01 | 2008-04-17 | ピーエスティー リミテッド ライアビリティ カンパニー | ステント及びステント製造方法 |
JP2009502307A (ja) * | 2005-07-25 | 2009-01-29 | インヴァテック エス.アール.エル. | 生体吸収可能部位を備えた内腔プロテーゼ |
JP2009082245A (ja) * | 2007-09-27 | 2009-04-23 | Terumo Corp | 生体内留置用ステントおよび生体器官拡張器具 |
JP2009082244A (ja) * | 2007-09-27 | 2009-04-23 | Terumo Corp | 生体内留置用ステントおよび生体器官拡張器具 |
JP2010516340A (ja) * | 2007-01-18 | 2010-05-20 | メドトロニック ヴァスキュラー インコーポレイテッド | 可撓性を向上させたステントおよびこのステントの製造方法 |
JP2011502636A (ja) * | 2007-11-06 | 2011-01-27 | メドトロニック カルディオ ヴァスキュラー インコーポレイテッド | 改善された機械特性を有するステント |
US20110060401A1 (en) * | 2007-02-16 | 2011-03-10 | Universität Zürich | Tubular Supporting Prosthesis Capable of Growing |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
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US5913897A (en) * | 1993-09-16 | 1999-06-22 | Cordis Corporation | Endoprosthesis having multiple bridging junctions and procedure |
US6042597A (en) * | 1998-10-23 | 2000-03-28 | Scimed Life Systems, Inc. | Helical stent design |
US7029492B1 (en) | 1999-03-05 | 2006-04-18 | Terumo Kabushiki Kaisha | Implanting stent and dilating device |
US6409754B1 (en) * | 1999-07-02 | 2002-06-25 | Scimed Life Systems, Inc. | Flexible segmented stent |
US20030045923A1 (en) * | 2001-08-31 | 2003-03-06 | Mehran Bashiri | Hybrid balloon expandable/self expanding stent |
CN100591385C (zh) * | 2003-04-30 | 2010-02-24 | 尼普洛株式会社 | 对血管具有极好跟随能力的可延伸的柔软的支架 |
US7837726B2 (en) | 2005-03-14 | 2010-11-23 | Abbott Laboratories | Visible endoprosthesis |
US20060248698A1 (en) | 2005-05-05 | 2006-11-09 | Hanson Brian J | Tubular stent and methods of making the same |
US20070100431A1 (en) | 2005-11-03 | 2007-05-03 | Craig Bonsignore | Intraluminal medical device with strain concentrating bridge |
WO2008028964A2 (en) * | 2006-09-07 | 2008-03-13 | Angiomed Gmbh & Co. Medizintechnik Kg | Helical implant having different ends |
FR2911063B1 (fr) * | 2007-01-09 | 2009-03-20 | Stentys S A S Soc Par Actions | Structure de pont ruptible pour un stent, et stent incluant de telles structures de pont. |
US20080319534A1 (en) | 2007-06-22 | 2008-12-25 | Medtronic Vascular, Inc. | Stent With Improved Mechanical Properties |
WO2009041664A1 (ja) | 2007-09-27 | 2009-04-02 | Terumo Kabushiki Kaisha | ステントおよび生体器官拡張器具 |
CN102458304B (zh) * | 2009-05-14 | 2016-07-06 | 奥巴斯尼茨医学公司 | 具有多边形过渡区的自膨式支架 |
US8206434B2 (en) | 2010-03-02 | 2012-06-26 | Medtronic Vascular, Inc. | Stent with sinusoidal wave form and orthogonal end and method for making same |
-
2012
- 2012-08-22 EP EP12846004.5A patent/EP2774585B1/en active Active
- 2012-08-22 MY MYPI2014001000A patent/MY167271A/en unknown
- 2012-08-22 US US14/349,439 patent/US9925075B2/en active Active
- 2012-08-22 SG SG11201401398XA patent/SG11201401398XA/en unknown
- 2012-08-22 JP JP2013541594A patent/JP6218115B2/ja active Active
- 2012-08-22 CN CN201280053289.2A patent/CN103906484B/zh active Active
- 2012-08-22 WO PCT/JP2012/005248 patent/WO2013065218A1/ja active Application Filing
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04126558U (ja) * | 1991-04-30 | 1992-11-18 | 加藤発条株式会社 | 管状器官の拡張具 |
JP2000316983A (ja) * | 1999-03-05 | 2000-11-21 | Terumo Corp | 生体留置用ステントおよび生体器官拡張器具 |
JP2002052086A (ja) * | 2000-05-16 | 2002-02-19 | Cordis Corp | ステント |
US20050125051A1 (en) * | 2003-12-05 | 2005-06-09 | Scimed Life Systems, Inc. | Detachable segment stent |
JP2008511424A (ja) * | 2004-09-01 | 2008-04-17 | ピーエスティー リミテッド ライアビリティ カンパニー | ステント及びステント製造方法 |
JP2009502307A (ja) * | 2005-07-25 | 2009-01-29 | インヴァテック エス.アール.エル. | 生体吸収可能部位を備えた内腔プロテーゼ |
JP2010516340A (ja) * | 2007-01-18 | 2010-05-20 | メドトロニック ヴァスキュラー インコーポレイテッド | 可撓性を向上させたステントおよびこのステントの製造方法 |
US20110060401A1 (en) * | 2007-02-16 | 2011-03-10 | Universität Zürich | Tubular Supporting Prosthesis Capable of Growing |
JP2009082245A (ja) * | 2007-09-27 | 2009-04-23 | Terumo Corp | 生体内留置用ステントおよび生体器官拡張器具 |
JP2009082244A (ja) * | 2007-09-27 | 2009-04-23 | Terumo Corp | 生体内留置用ステントおよび生体器官拡張器具 |
JP2011502636A (ja) * | 2007-11-06 | 2011-01-27 | メドトロニック カルディオ ヴァスキュラー インコーポレイテッド | 改善された機械特性を有するステント |
Also Published As
Publication number | Publication date |
---|---|
EP2774585A1 (en) | 2014-09-10 |
US9925075B2 (en) | 2018-03-27 |
WO2013065218A1 (ja) | 2013-05-10 |
CN103906484A (zh) | 2014-07-02 |
EP2774585A9 (en) | 2014-11-19 |
EP2774585A4 (en) | 2015-05-27 |
JP6218115B2 (ja) | 2017-10-25 |
EP2774585B1 (en) | 2016-07-06 |
US20140358218A1 (en) | 2014-12-04 |
MY167271A (en) | 2018-08-15 |
CN103906484B (zh) | 2016-05-25 |
SG11201401398XA (en) | 2014-06-27 |
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