JP5140675B2 - 長手方向において可撓性を有する拡張可能なステント - Google Patents
長手方向において可撓性を有する拡張可能なステント Download PDFInfo
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- JP5140675B2 JP5140675B2 JP2009527341A JP2009527341A JP5140675B2 JP 5140675 B2 JP5140675 B2 JP 5140675B2 JP 2009527341 A JP2009527341 A JP 2009527341A JP 2009527341 A JP2009527341 A JP 2009527341A JP 5140675 B2 JP5140675 B2 JP 5140675B2
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- Prior art keywords
- stent
- serpentine
- connector
- band
- struts
- 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
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Classifications
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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
-
- 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
- A61F2002/91525—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 within the whole structure different bands showing different meander characteristics, e.g. frequency or amplitude
-
- 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
- A61F2002/91533—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 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 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 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
- 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
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)
Description
本発明の範囲を限定することなく、特許が請求される本発明の実施形態のいくつかについて、概略を以下に記載する。要約された本発明の実施形態のさらなる詳細及び/又は本発明のさらなる実施形態については、以下の発明の詳細な説明に見ることができる。
図面を参照すると、図1及び図2はそれぞれ、非拡張ステント形態の部分平面図及び実際の管状ステント(非拡張状態)を示す。すなわち、ステントは便宜上平面にて示されており、平面パターン10(図1)から形成することができる。該平面パターンは、後に端12及び14が接するように該パターンを巻く(図1)ことにより管状体に形成される。その後、端12及び14を、図2に示すような形状となるように、溶接等により接合することができる。
図8は、図7よりも拡張された状態にあるステント10の例を示す。
図9は、図8よりも拡張された状態にあるステント10の例を示す。
Claims (7)
- 第1蛇行帯(85)及び第2蛇行帯(89)ならびにこれらを接続するコネクタ列(44)を備えるステントであって、
各蛇行帯(85,89)は、交互に配置される複数の直線状蛇行帯ストラット(22)及び複数の屈曲部(28)を備え、
第1蛇行帯(85)と第2蛇行帯(89)は周方向において互いからずらして配置され、
第1蛇行帯(85)及び第2蛇行帯(89)は、複数のコネクタストラット(20)によってコネクタ列を渡って接続され、各コネクタストラット(20)は、一端においては第1蛇行帯(85)の屈曲部(28)に接続され、他端においては第2蛇行帯(89)の屈曲部(28)に接続され、
各蛇行帯(85,89)は、隣接する接続された屈曲部(28)の間に延びる第1の個数の蛇行帯ストラット(22)と、隣接する接続された屈曲部(28)の間に延びる、第1の個数とは異なる第2の個数の蛇行帯ストラット(22)とを備え、
前記蛇行帯(85,89)の屈曲部(28)が、交互に配置される基端側山部(24)及び先端側谷部(26)を備え、第1蛇行帯(85)の基端側山部(24)及び先端側谷部(26)は、第2蛇行帯(89)の基端側山部(24)及び先端側谷部(26)のいずれともステントの長手方向において整合しないステント。 - 前記ステントが複数の第1蛇行帯(85)を備え、第1蛇行帯(16a)の接続された屈曲部(58c)が、ステント長手方向において、隣接する第1蛇行帯(16c)の接続されていない屈曲部(55a)と整合する、請求項1に記載のステント。
- 複数の第1蛇行帯(85)及び複数の第2蛇行帯(89)がステントの長さに沿って交互に配置される、請求項1又は2に記載のステント。
- 前記ステントが、複数の第1蛇行帯(85)及び複数の第2蛇行帯(89)と、複数のコネクタ列(44)とを備え、複数のコネクタ列(44)が第1コネクタ列(44a)及び第2コネクタ列(44b)を含み、第1コネクタ列(44a)のコネクタストラット(20)同士は互いに平行であり、第2コネクタ列(44b)のコネクタストラット(20)は第1コネクタ列(44a)のコネクタストラット(20)に非平行である、請求項1乃至3のいずれか一項に記載のステント。
- 前記第1コネクタ列(44a)及び第2コネクタ列(44b)がステントの長さに沿って交互に配置される、請求項4に記載のステント。
- 前記第1コネクタ列(44a)のコネクタストラット(20)とステント長手方向軸線との間の角度が、前記第2コネクタ列(44b)のコネクタストラット(20)とステント長手方向軸線との間の角度と等しい大きさである、請求項4又は5に記載のステント。
- 蛇行帯ストラット(22)の最大幅が屈曲部(28)の最大幅より小さい、請求項1に記載のステント。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/519,552 | 2006-09-12 | ||
US11/519,552 US20070073384A1 (en) | 1995-03-01 | 2006-09-12 | Longitudinally flexible expandable stent |
PCT/US2007/013714 WO2008033174A2 (en) | 2006-09-12 | 2007-06-12 | Longitudinally flexible expandable stent |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2010503425A JP2010503425A (ja) | 2010-02-04 |
JP2010503425A5 JP2010503425A5 (ja) | 2010-07-22 |
JP5140675B2 true JP5140675B2 (ja) | 2013-02-06 |
Family
ID=39032125
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009527341A Expired - Fee Related JP5140675B2 (ja) | 2006-09-12 | 2007-06-12 | 長手方向において可撓性を有する拡張可能なステント |
Country Status (6)
Country | Link |
---|---|
US (1) | US20070073384A1 (ja) |
EP (1) | EP2059199B1 (ja) |
JP (1) | JP5140675B2 (ja) |
CA (1) | CA2661339A1 (ja) |
ES (1) | ES2390982T3 (ja) |
WO (1) | WO2008033174A2 (ja) |
Families Citing this family (26)
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-
2006
- 2006-09-12 US US11/519,552 patent/US20070073384A1/en not_active Abandoned
-
2007
- 2007-06-12 CA CA002661339A patent/CA2661339A1/en not_active Abandoned
- 2007-06-12 ES ES07809466T patent/ES2390982T3/es active Active
- 2007-06-12 JP JP2009527341A patent/JP5140675B2/ja not_active Expired - Fee Related
- 2007-06-12 WO PCT/US2007/013714 patent/WO2008033174A2/en active Application Filing
- 2007-06-12 EP EP07809466A patent/EP2059199B1/en active Active
Also Published As
Publication number | Publication date |
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ES2390982T3 (es) | 2012-11-20 |
WO2008033174A2 (en) | 2008-03-20 |
JP2010503425A (ja) | 2010-02-04 |
WO2008033174A3 (en) | 2008-05-08 |
EP2059199B1 (en) | 2012-08-01 |
CA2661339A1 (en) | 2008-03-20 |
EP2059199A2 (en) | 2009-05-20 |
US20070073384A1 (en) | 2007-03-29 |
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