JP5657637B2 - 圧潰可能な端部を有する分岐ステント - Google Patents
圧潰可能な端部を有する分岐ステント Download PDFInfo
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- JP5657637B2 JP5657637B2 JP2012287042A JP2012287042A JP5657637B2 JP 5657637 B2 JP5657637 B2 JP 5657637B2 JP 2012287042 A JP2012287042 A JP 2012287042A JP 2012287042 A JP2012287042 A JP 2012287042A JP 5657637 B2 JP5657637 B2 JP 5657637B2
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- 239000003814 drug Substances 0.000 claims description 13
- 229940079593 drug Drugs 0.000 claims description 12
- 210000004204 blood vessel Anatomy 0.000 claims description 11
- 230000002792 vascular Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 description 22
- 229920002120 photoresistant polymer Polymers 0.000 description 6
- 230000017531 blood circulation Effects 0.000 description 5
- 240000001549 Ipomoea eriocarpa Species 0.000 description 4
- 235000005146 Ipomoea eriocarpa Nutrition 0.000 description 4
- 239000003550 marker Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 208000007536 Thrombosis Diseases 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003486 chemical etching Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
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- 239000007943 implant Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000002399 angioplasty Methods 0.000 description 1
- 238000007887 coronary angioplasty Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229940124597 therapeutic agent Drugs 0.000 description 1
- 210000005166 vasculature Anatomy 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
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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
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/856—Single tubular stent with a side portal passage
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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
- A61F2/82—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
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/954—Instruments specially adapted for placement or removal of stents or stent-grafts for placing stents or stent-grafts in a bifurcation
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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
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/958—Inflatable balloons for placing stents or stent-grafts
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- 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
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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
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- A61F2002/91541—Adjacent bands are arranged out of phase
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- 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
- A61F2002/91558—Adjacent bands being connected to each other connected peak to peak
-
- 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
- A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
- A61F2250/0018—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in elasticity, stiffness or compressibility
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- 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
- A61F2250/0067—Means for introducing or releasing pharmaceutical products into the body
- A61F2250/0068—Means for introducing or releasing pharmaceutical products into the body the pharmaceutical product being in a reservoir
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Prostheses (AREA)
Description
従来より、通路の開通性を維持するために身体通路内に埋め込むように、永久又は生分解性の装置が開発されてきた。これらの装置は一般的に、経皮的に導入されて、身体通路内の所望位置に位置付けられるまで、管腔内を運搬される。
本発明は、分岐した身体管腔を支持する方法であって、分岐ステントを未拡張形態で身体管腔内の分岐部に送出するステップであって、分岐ステントは、遠位部分と、遠位部分より小さい力で変形可能である圧潰可能な近位部分とを有する、送出するステップと、遠位部分が分岐部の側枝血管内に実質的に位置し、近位部分が主血管内に実質的に位置するように、分岐ステントを位置付けるステップと、分岐ステントを側枝血管内で着座する形態に拡張させるステップと、主血管ステントを分岐ステントの脇で拡張させ、それにより、分岐ステントの圧潰可能な近位部分の少なくとも一部分を圧潰して主血管壁に当てるステップと、を含む方法に関する。
本明細書で使用する「圧潰」又は「圧潰された」という表現は、管状部材の対向側部の一方又は両方が、その対向側部が互いに接触、又は実質的に接触するように潰れることを表す。
Claims (8)
- 分岐ステント及び送出システムであって、
送出形態から拡張した組織支持形態に拡張可能な連続管状本体を備えるステントであって、
前記本体が、
分岐部の側枝血管内に位置付けられるように構成された血管支持端部と、
前記血管支持端部に連結されるとともに、前記分岐部に隣接した主血管内に位置付けられるように構成された圧潰可能な端部とを有し、
前記圧潰可能な端部は、前記血管支持端部より圧潰強度が低い、
ステントと、
細長いカテーテル軸の遠位端部に連結されたバルーンを有するバルーンカテーテルであって、前記ステントが、該バルーン上に位置付けられる、バルーンカテーテルと
を備え、
前記ステントの前記圧潰可能な端部の半径方向の厚さは、前記ステントの前記血管支持端部の半径方向の厚さよりも小さい、システム。 - 前記圧潰可能な端部は、前記血管支持端部を圧潰するために必要な力の80%以下の力で圧潰可能である、請求項1に記載のステント。
- 前記ステントは、変形可能なヒンジによって相互連結された実質的に変形しないストラットの構造を有する、請求項1に記載のステント。
- 前記圧潰可能な端部内の前記ヒンジは、前記血管支持端部内の前記ヒンジより断面が小さい、請求項3に記載のステント。
- 前記血管支持端部は、薬剤を含む、請求項1に記載のステント。
- 前記圧潰可能な端部は、薬剤を含まない、請求項5に記載のステント。
- 前記圧潰可能な端部は、前記血管支持端部を圧潰するために必要な力の60%以下の力で圧潰可能である、請求項1に記載のステント。
- 前記ステントは、薬剤を含み、
前記ステントの、前記分岐部の口に対応する部分は、該ステントの残りの部分より高濃度の薬剤を含む、請求項1に記載のステント。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US61027904P | 2004-09-15 | 2004-09-15 | |
US60/610,279 | 2004-09-15 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2007532331A Division JP5207737B2 (ja) | 2004-09-15 | 2005-08-10 | 圧潰可能な端部を有する分岐ステント |
Publications (2)
Publication Number | Publication Date |
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JP2013099547A JP2013099547A (ja) | 2013-05-23 |
JP5657637B2 true JP5657637B2 (ja) | 2015-01-21 |
Family
ID=36119329
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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JP2007532331A Expired - Fee Related JP5207737B2 (ja) | 2004-09-15 | 2005-08-10 | 圧潰可能な端部を有する分岐ステント |
JP2012287042A Expired - Fee Related JP5657637B2 (ja) | 2004-09-15 | 2012-12-28 | 圧潰可能な端部を有する分岐ステント |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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JP2007532331A Expired - Fee Related JP5207737B2 (ja) | 2004-09-15 | 2005-08-10 | 圧潰可能な端部を有する分岐ステント |
Country Status (4)
Country | Link |
---|---|
US (1) | US20060079956A1 (ja) |
EP (1) | EP1799151A4 (ja) |
JP (2) | JP5207737B2 (ja) |
WO (1) | WO2006036319A2 (ja) |
Families Citing this family (74)
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DE69736676T2 (de) * | 1996-11-04 | 2007-01-11 | Advanced Stent Technologies, Inc., Pleasanton | Aufweitbarer doppelstent |
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US6835203B1 (en) | 1996-11-04 | 2004-12-28 | Advanced Stent Technologies, Inc. | Extendible stent apparatus |
US6599316B2 (en) * | 1996-11-04 | 2003-07-29 | Advanced Stent Technologies, Inc. | Extendible stent apparatus |
US7341598B2 (en) | 1999-01-13 | 2008-03-11 | Boston Scientific Scimed, Inc. | Stent with protruding branch portion for bifurcated vessels |
US7208010B2 (en) | 2000-10-16 | 2007-04-24 | Conor Medsystems, Inc. | Expandable medical device for delivery of beneficial agent |
US6241762B1 (en) | 1998-03-30 | 2001-06-05 | Conor Medsystems, Inc. | Expandable medical device with ductile hinges |
US8257425B2 (en) * | 1999-01-13 | 2012-09-04 | Boston Scientific Scimed, Inc. | Stent with protruding branch portion for bifurcated vessels |
EP1152711B1 (en) * | 1999-01-27 | 2005-07-06 | Boston Scientific Limited | Bifurcation stent delivery system |
AU7714500A (en) * | 1999-09-23 | 2001-04-24 | Advanced Stent Technologies, Inc. | Bifurcation stent system and method |
ES2243556T3 (es) | 2000-10-16 | 2005-12-01 | Conor Medsystems, Inc. | Dispositivo medico expandible para proporcionar un agente beneficioso. |
US20030097169A1 (en) | 2001-02-26 | 2003-05-22 | Brucker Gregory G. | Bifurcated stent and delivery system |
US7842083B2 (en) | 2001-08-20 | 2010-11-30 | Innovational Holdings, Llc. | Expandable medical device with improved spatial distribution |
US7578841B2 (en) * | 2001-09-24 | 2009-08-25 | Boston Scientific Scimed, Inc. | Stent with protruding branch portion for bifurcated vessels |
US7147661B2 (en) | 2001-12-20 | 2006-12-12 | Boston Scientific Santa Rosa Corp. | Radially expandable stent |
US8083791B2 (en) | 2003-04-14 | 2011-12-27 | Tryton Medical, Inc. | Method of treating a lumenal bifurcation |
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2012
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JP2013099547A (ja) | 2013-05-23 |
EP1799151A4 (en) | 2014-09-17 |
WO2006036319A3 (en) | 2007-12-13 |
JP5207737B2 (ja) | 2013-06-12 |
JP2008513108A (ja) | 2008-05-01 |
US20060079956A1 (en) | 2006-04-13 |
WO2006036319A2 (en) | 2006-04-06 |
EP1799151A2 (en) | 2007-06-27 |
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