JP5491491B2 - 選択フレア型クラウンを有するステント補綴具 - Google Patents
選択フレア型クラウンを有するステント補綴具 Download PDFInfo
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- JP5491491B2 JP5491491B2 JP2011501870A JP2011501870A JP5491491B2 JP 5491491 B2 JP5491491 B2 JP 5491491B2 JP 2011501870 A JP2011501870 A JP 2011501870A JP 2011501870 A JP2011501870 A JP 2011501870A JP 5491491 B2 JP5491491 B2 JP 5491491B2
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Images
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
-
- 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
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/958—Inflatable balloons for placing stents or stent-grafts
-
- 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
- A61F2002/821—Ostial stents
-
- 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
- A61F2230/005—Rosette-shaped, e.g. star-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
- A61F2230/0002—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
Claims (11)
- 身体管腔内で使用するためのステントであって、
真っ直ぐなセグメントおよびクラウンの正弦波パターンを有するステントストラットであって、前記ステントストラットの前記クラウンは全て、ステントが前記身体管腔内への送出のために非拡張態様にあるとき、ステントの長手方向軸線にほぼ平行である、ステントストラットと、
前記ステントストラットの少なくとも1つのクラウンに取り付けられたY字型部材であって、前記少なくとも1つのクラウンおよび前記少なくとも1つのクラウンに取り付けられた第1の真っ直ぐなセグメントと第2の真っ直ぐなセグメント内で実質的に中心にあるY字型部材と、を備え、前記Y字型部材は、V形状ベース及びテザーを含み、前記V形状ベースは、前記第1の真っ直ぐなセグメントに直接接続された第1端と、前記第2の真っ直ぐなセグメントに直接接続された第2端と、前記テザーに接続された頂点を有し、前記テザーは前記V形状ベースの頂点から前記少なくとも1つのクラウンによって形成された谷部まで延在し、
前記ステントが前記身体管腔の血管壁に接触するために拡張態様にあるとき、前記少なくとも1つのクラウンに取り付けられた前記Y字型部材を有する前記少なくとも1つのクラウンは、ステントの前記長手方向軸線に対して鋭角になるように、ステントの外側表面から半径方向外方にフレア形成される、
ことを特徴とするステント。 - 前記少なくとも1つのクラウンは、前記ステントが前記拡張態様にあるとき、前記ステントの前記長手方向軸線に対して約45°を形成する、
請求項1に記載のステント。 - 円柱形状管状本体を形成するために、前記長手方向軸線に実質的に平行に整列した複数の半径方向に拡張可能な円柱リングになるように形成された複数のステントストラットを含む、
請求項1に記載のステント。 - 前記複数の半径方向に拡張可能な円柱リングは、隣接するステントストラットのクラウンが整列し、隣接するステントストラットの整列したクラウン間に少なくとも1つの接続部が形成されるように整列する、
請求項3に記載のステント。 - 前記少なくとも1つのクラウンは、隣接するステントストラットのクラウンに接続されない、
請求項4に記載のステント。 - 前記Y字型部材は、ステントが前記拡張態様にあるとき、T形状に近づく、
請求項1に記載のステント。 - 前記テザーは、前記ステントが前記拡張態様にあるとき、前記少なくとも1つのクラウンがステントの外側表面から外側に持ち上がるかまたは突出するように、前記少なくとも1つのクラウンに長手方向張力を加える、
請求項6に記載のステント。 - 前記少なくとも1つのクラウンは、前記ステントの近位端または遠位端に位置する最も外側のクラウンである、
請求項1記載のステント。 - 前記少なくとも1つのクラウンは、前記ステントの近位端と遠位端との間に位置する内部クラウンである、
請求項1記載のステント。 - 前記ステントストラットは、前記真っ直ぐなセグメントの長さに沿って一定である厚さを有する、
請求項1記載のステント。 - 前記ステントストラットは、前記真っ直ぐなセグメントの長さに沿って変動する厚さを有する、
請求項1記載のステント。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/057,032 US8034099B2 (en) | 2008-03-27 | 2008-03-27 | Stent prosthesis having select flared crowns |
US12/057,032 | 2008-03-27 | ||
PCT/US2009/035879 WO2009120458A2 (en) | 2008-03-27 | 2009-03-03 | Stent prosthesis having select flared crowns |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011515191A JP2011515191A (ja) | 2011-05-19 |
JP5491491B2 true JP5491491B2 (ja) | 2014-05-14 |
Family
ID=41114567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011501870A Active JP5491491B2 (ja) | 2008-03-27 | 2009-03-03 | 選択フレア型クラウンを有するステント補綴具 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8034099B2 (ja) |
EP (1) | EP2268235B1 (ja) |
JP (1) | JP5491491B2 (ja) |
DK (1) | DK2268235T3 (ja) |
WO (1) | WO2009120458A2 (ja) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009061389A2 (en) | 2007-11-05 | 2009-05-14 | St. Jude Medical, Inc. | Collapsible/expandable prosthetic heart valves with non-expanding stent posts and retrieval features |
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WO2009120458A3 (en) | 2009-11-26 |
DK2268235T3 (en) | 2018-02-26 |
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EP2268235A2 (en) | 2011-01-05 |
JP2011515191A (ja) | 2011-05-19 |
US8034099B2 (en) | 2011-10-11 |
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