JP5580737B2 - 血管治療用ツイストプライマリワインドコイルおよびその形成方法、セカンダリワインドコイル - Google Patents
血管治療用ツイストプライマリワインドコイルおよびその形成方法、セカンダリワインドコイル Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 14
- 230000002792 vascular Effects 0.000 title description 3
- 239000000463 material Substances 0.000 claims description 21
- 229910052751 metal Inorganic materials 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 21
- 238000005452 bending Methods 0.000 claims description 17
- 206010002329 Aneurysm Diseases 0.000 description 15
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 9
- 238000004804 winding Methods 0.000 description 5
- 229910001260 Pt alloy Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910001092 metal group alloy Inorganic materials 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 230000001225 therapeutic effect Effects 0.000 description 3
- 238000013151 thrombectomy Methods 0.000 description 3
- 229920000954 Polyglycolide Polymers 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 208000007536 Thrombosis Diseases 0.000 description 2
- 229910001080 W alloy Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 description 2
- 229910001000 nickel titanium Inorganic materials 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- ZONODCCBXBRQEZ-UHFFFAOYSA-N platinum tungsten Chemical compound [W].[Pt] ZONODCCBXBRQEZ-UHFFFAOYSA-N 0.000 description 2
- 239000004633 polyglycolic acid Substances 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 206010016717 Fistula Diseases 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000003890 fistula Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000007631 vascular surgery Methods 0.000 description 1
- 210000005166 vasculature Anatomy 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/1214—Coils or wires
- A61B17/12145—Coils or wires having a pre-set deployed three-dimensional shape
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/1214—Coils or wires
- A61B17/12154—Coils or wires having stretch limiting means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00526—Methods of manufacturing
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Reproductive Health (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Description
この出願は、2007年8月17日に出願された仮出願第60/956,509号に基づく。
この発明は、一般に血管インターベンショナル(介入)療法または血管手術用の埋め込み型デバイスに関し、より詳細には、柔軟性が改善されおよび/またはコイル全長に沿ったセカンダリ(二次)コイル形状性能を発揮するねじれパターンを持つコイルに関する。このコイルは、様々な血管介入療法で用いられるより複雑な形状のプライマリ(一次)コイルとして特に有用である。
Claims (12)
- 柔軟性のある金属ワイヤで形成された、縦軸に沿って細長いプライマリワインドコイルであって、
前記縦軸を横切るとともに縦軸に沿って歳差運動する横軸の方向に細長い非円形のコイル断面形状を有するように、前記縦軸の周りにらせん状に前記金属ワイヤが巻かれ、前記縦軸に沿って繰り返されるねじれたコイルパターンが形成されており、
前記縦軸に沿って歳差運動する曲げモーメントが当該プライマリワインドコイルに与えられている
ことを特徴とするプライマリワインドコイル。 - 前記プライマリワインドコイルは二重らせんの外部形状を有することを特徴とする請求項1に記載のプライマリワインドコイル。
- 前記プライマリワインドコイルの断面形状は、楕円形、長円形、および角の丸い略三角形からなるグループから選択されることを特徴とする請求項1または2に記載のプライマリワインドコイル。
- 前記プライマリワインドコイルは、円筒形、円錐形、球形、回転楕円体形状およびそれらの組合せからなるグループから選択されるセカンダリ形状を有するように形成されることを特徴とする請求項1ないし3のいずれかに記載のプライマリワインドコイル。
- 前記プライマリワインドコイルは、該プライマリワインドコイルの縦軸に沿った内部空間を有し、該プライマリワインドコイルの縦軸に沿った内部空間を通って延びる軸方向のストランド材料をさらに備えることを特徴とする請求項1ないし4のいずれかに記載のプライマリワインドコイル。
- 柔軟性のある金属ワイヤで形成された縦軸に沿って細長いプライマリワインドコイルから形成されるセカンダリワインドコイルであって、
前記縦軸を横切るとともに縦軸に沿って歳差運動する横軸の方向に細長い非円形のコイル断面形状を有するように、前記縦軸の周りにらせん状に前記金属ワイヤが巻かれ、前記縦軸に沿って繰り返されるねじれたコイルパターンが前記プライマリワインドコイルに形成されており、
前記縦軸に沿って歳差運動する曲げモーメントが前記プライマリワインドコイルに与えられており、
円筒形、円錐形、球形、回転楕円体およびそれらの組合せからなるグループから選択されるセカンダリ形状を有するように形成されることを特徴とするセカンダリワインドコイル。 - 前記プライマリワインドコイルは二重らせんの外部形状を有することを特徴とする請求項6に記載のセカンダリワインドコイル。
- 前記プライマリワインドコイルの断面形状は、楕円形、長円形、および角の丸い略三角形からなるグループから選択されることを特徴とする請求項6または7に記載のセカンダリワインドコイル。
- 前記プライマリワインドコイルは、該プライマリワインドコイルの縦軸に沿った内部空間を有し、該プライマリワインドコイルの縦軸に沿った内部空間を通って延びる軸方向のストランド材料をさらに備えることを特徴とする請求項6ないし8のいずれかに記載のセカンダリワインドコイル。
- 縦軸に沿って細長いプライマリワインドコイルを形成する方法であって、
非円形断面を持つ外部表面を有し、該非円形断面の軸が所定のパターンで長手方向にねじれているマンドレルを提供するステップと、
前記マンドレルの周りに柔軟性のある金属ワイヤを巻き付けて、該マンドレルの外部表面の形状に対応するねじれた形状を有するプライマリワインドコイルを形成するステップと、
を含み、
前記プライマリワインドコイルは、前記縦軸を横切るとともに縦軸に沿って歳差運動する横軸の方向に細長い非円形のコイル断面形状を有するように、前記縦軸の周りにらせん状に前記金属ワイヤが巻かれ、前記縦軸に沿って繰り返されるねじれたコイルパターンが形成されており、
前記縦軸に沿って歳差運動する曲げモーメントが前記プライマリワインドコイルに与えられる
ことを特徴とする方法。 - 円筒形、円錐形、球形および回転楕円体形状からなるグループから選択されるセカンダリ形状を有するように前記プライマリワインドコイルを形成するステップをさらに備えることを特徴とする請求項10に記載の方法。
- 前記プライマリワインドコイルは該プライマリワインドコイルの縦軸に沿った内部空間を有しており、該プライマリワインドコイルの縦軸に沿ってプライマリワインドの内部空間の中にストランドの材料を挿入するステップをさらに備えることを特徴とする請求項10または11に記載の方法。
Applications Claiming Priority (3)
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US95650907P | 2007-08-17 | 2007-08-17 | |
US60/956,509 | 2007-08-17 | ||
PCT/US2008/073517 WO2009026253A2 (en) | 2007-08-17 | 2008-08-18 | A twisted primary coil for vascular therapy |
Related Child Applications (1)
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JP2014088060A Division JP5860499B2 (ja) | 2007-08-17 | 2014-04-22 | 血管治療用ツイストプライマリワインドコイル、セカンダリワインドコイル |
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JP2010536491A JP2010536491A (ja) | 2010-12-02 |
JP5580737B2 true JP5580737B2 (ja) | 2014-08-27 |
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JP2010521971A Active JP5580737B2 (ja) | 2007-08-17 | 2008-08-18 | 血管治療用ツイストプライマリワインドコイルおよびその形成方法、セカンダリワインドコイル |
JP2014088060A Active JP5860499B2 (ja) | 2007-08-17 | 2014-04-22 | 血管治療用ツイストプライマリワインドコイル、セカンダリワインドコイル |
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US (1) | US8870908B2 (ja) |
EP (1) | EP2182854B1 (ja) |
JP (2) | JP5580737B2 (ja) |
CN (1) | CN101959464B (ja) |
CA (1) | CA2696629C (ja) |
ES (1) | ES2773758T3 (ja) |
WO (1) | WO2009026253A2 (ja) |
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US20090069836A1 (en) | 2009-03-12 |
CN101959464B (zh) | 2012-07-04 |
WO2009026253A3 (en) | 2009-05-22 |
EP2182854A2 (en) | 2010-05-12 |
ES2773758T3 (es) | 2020-07-14 |
EP2182854A4 (en) | 2015-07-08 |
JP2014208025A (ja) | 2014-11-06 |
CN101959464A (zh) | 2011-01-26 |
CA2696629A1 (en) | 2009-02-26 |
JP5860499B2 (ja) | 2016-02-16 |
WO2009026253A2 (en) | 2009-02-26 |
EP2182854B1 (en) | 2019-12-11 |
CA2696629C (en) | 2016-01-19 |
JP2010536491A (ja) | 2010-12-02 |
US8870908B2 (en) | 2014-10-28 |
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