JP2007500579A - 脈管用補綴物 - Google Patents
脈管用補綴物 Download PDFInfo
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- JP2007500579A JP2007500579A JP2006533603A JP2006533603A JP2007500579A JP 2007500579 A JP2007500579 A JP 2007500579A JP 2006533603 A JP2006533603 A JP 2006533603A JP 2006533603 A JP2006533603 A JP 2006533603A JP 2007500579 A JP2007500579 A JP 2007500579A
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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 sheets 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 sheets 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 sheets or tubes, e.g. perforated by laser cuts or etched holes
-
- 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 sheets 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 sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
- A61F2002/91533—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 sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other characterised by the phase between adjacent bands
-
- 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 sheets 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 sheets 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
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)
- Prostheses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
Description
本発明は、概して、医療装置およびその使用方法に関する。より具体的には、本発明は、ステントおよびグラフトを含む、放射状に伸展可能な管腔用補綴物の構造に関する。
本発明は、体内管腔内への留置に好適な、改良された管腔用補綴物を提供する。体内管腔とは特に血管を指し、中でも特に冠動脈および末梢動脈を指す。管腔用補綴物は、管腔の開存を維持することを目的としたステントの形態であってもよく、または、管腔壁を保護するかもしくはその強度を高めることを目的としたグラフトの形態であってもよい。概して、「ステント」という用語は、管腔壁に押し付けられる開格子またはフレームワークを伸展時に形成するリングセグメントなどの伸展可能構成要素を含む、脈管構造またはその他の足場構造を意味する。一方、「グラフト」という用語は概して、ライナー、膜、またはその他の透過性もしくは不透過性の層で少なくとも一部が覆われた、管腔状の足場を意味する。本明細書に含まれる図面は概ねステント構造を対象としているが、ステントの外面または内面のいずれかにライナーまたは膜などを組み込むことにより、対応するグラフト構造を提供できることが理解されるものと思われる。
図1に、本発明の特徴を概ね具現化し、且つ、複数の放射状に伸展可能なリングセグメント16で形成されたフレーム13を含む、ステントなどの、放射状に伸展可能な管腔用補綴物10を示す。補綴物10の最終的な形状は概ね円筒形であるが、補綴物は横断面が非円筒形の管腔に順応可能であってもよく、且つ、横方向に湾曲した管腔に順応可能であってもよいことが理解されるべきである。
Claims (9)
- 以下を含む、放射状に伸展可能な管腔用補綴物:
ストラットと、その間に位置するヒンジ領域とを含む、複数の蛇行リングセグメント;
少なくとも1つの曲線部分と、補綴物の仮想縦軸と斜角を形成する少なくとも1つの直線部分とを含む、多重曲りリンクであって、隣り合う蛇行リング上の少なくともいくつかのヒンジ領域を接続するリンク。 - 直接隣り合うリングを接続するリンクが放射状のコラムを形成し、同じ放射状コラムの各リンクの直線部分が補綴物の縦軸と鋭角または鈍角を形成する、請求項1記載の補綴物。
- 同じ放射状コラムの角度がすべて実質的に同程度である、請求項2記載の補綴物。
- 1つの放射状コラムの角度が、隣の放射状コラムの角度の補角である、請求項3記載の補綴物。
- 隣り合う放射状コラムの放射状リンクが互いに鏡像である、請求項3記載の補綴物。
- 多重曲りリンクが、直線部分を間に備えた互いに反対方向に突出する2つの曲線部分を含み、該直線部分の仮想軸の各端部が、該曲線部分の1つを二分する1本の仮想線と仮想角を形成する、請求項1記載の補綴物。
- 多重曲りリンクが、直線部分を間に備えた2つの曲線部分を含み、該直線部分の仮想軸の各端部が、該曲線部分の1つを二分する1本の仮想線と仮想角を形成するように、該曲線部分が互いに反対方向に突出する、請求項1記載の補綴物。
- 各二分線により形成される角度の大きさが実質的に同程度である、請求項7記載の補綴物。
- 多重曲りリンクが、直線部分を間に備えた2つの曲線部分を含み、且つ、少なくともいくつかのリンクについて、所与のリンクの両曲線部分と交差する少なくとも1つの仮想放射平面が存在する、請求項1記載の補綴物。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/458,770 US6916336B2 (en) | 2003-06-09 | 2003-06-09 | Vascular prosthesis |
US10/458,770 | 2003-06-09 | ||
PCT/US2004/018117 WO2004110306A2 (en) | 2003-06-09 | 2004-06-07 | Vascular prosthesis |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011003279A Division JP5259746B2 (ja) | 2003-06-09 | 2011-01-11 | 管腔用補綴物 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007500579A true JP2007500579A (ja) | 2007-01-18 |
JP4782686B2 JP4782686B2 (ja) | 2011-09-28 |
Family
ID=33490458
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006533603A Expired - Fee Related JP4782686B2 (ja) | 2003-06-09 | 2004-06-07 | 管腔用補綴物 |
JP2011003279A Expired - Fee Related JP5259746B2 (ja) | 2003-06-09 | 2011-01-11 | 管腔用補綴物 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011003279A Expired - Fee Related JP5259746B2 (ja) | 2003-06-09 | 2011-01-11 | 管腔用補綴物 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6916336B2 (ja) |
EP (1) | EP1631216A4 (ja) |
JP (2) | JP4782686B2 (ja) |
WO (1) | WO2004110306A2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011015704A (ja) * | 2009-07-07 | 2011-01-27 | Avantec Vascular Corp | ステント |
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2003
- 2003-06-09 US US10/458,770 patent/US6916336B2/en not_active Expired - Fee Related
-
2004
- 2004-06-07 EP EP04754669A patent/EP1631216A4/en not_active Withdrawn
- 2004-06-07 WO PCT/US2004/018117 patent/WO2004110306A2/en active Application Filing
- 2004-06-07 JP JP2006533603A patent/JP4782686B2/ja not_active Expired - Fee Related
-
2011
- 2011-01-11 JP JP2011003279A patent/JP5259746B2/ja not_active Expired - Fee Related
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US5964798A (en) * | 1997-12-16 | 1999-10-12 | Cardiovasc, Inc. | Stent having high radial strength |
US6527799B2 (en) * | 1998-10-29 | 2003-03-04 | Conor Medsystems, Inc. | Expandable medical device with ductile hinges |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011015704A (ja) * | 2009-07-07 | 2011-01-27 | Avantec Vascular Corp | ステント |
Also Published As
Publication number | Publication date |
---|---|
EP1631216A2 (en) | 2006-03-08 |
WO2004110306A2 (en) | 2004-12-23 |
JP2011120920A (ja) | 2011-06-23 |
JP4782686B2 (ja) | 2011-09-28 |
US20040249446A1 (en) | 2004-12-09 |
US6916336B2 (en) | 2005-07-12 |
EP1631216A4 (en) | 2011-03-02 |
WO2004110306A3 (en) | 2005-04-14 |
JP5259746B2 (ja) | 2013-08-07 |
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