JP6262712B2 - ステントおよびステント送達装置 - Google Patents
ステントおよびステント送達装置 Download PDFInfo
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- JP6262712B2 JP6262712B2 JP2015500672A JP2015500672A JP6262712B2 JP 6262712 B2 JP6262712 B2 JP 6262712B2 JP 2015500672 A JP2015500672 A JP 2015500672A JP 2015500672 A JP2015500672 A JP 2015500672A JP 6262712 B2 JP6262712 B2 JP 6262712B2
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- stent
- layer
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- distal
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- A61F2230/00—Geometry 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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- 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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- 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
- A61F2250/0023—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 porosity
-
- A—HUMAN NECESSITIES
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- A61F2250/0039—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 diameter
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- A—HUMAN NECESSITIES
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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
- A61F2250/0096—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers
- A61F2250/0098—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers radio-opaque, e.g. radio-opaque markers
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- A—HUMAN NECESSITIES
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- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00035—Other metals or alloys
- A61F2310/00131—Tantalum or Ta-based alloys
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- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Transplantation (AREA)
- Oral & Maxillofacial Surgery (AREA)
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- Reproductive Health (AREA)
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- Prostheses (AREA)
- Surgical Instruments (AREA)
Description
本出願は、ステントと題され2012年7月3日に出願された米国仮出願第61/667,895号、ステント展開装置と題され2012年3月30日に出願された米国仮出願第61/618,375号、およびステント展開システムと題され2012年3月16日に出願された米国仮出願第61/612,158号に対する優先権を主張し、これら全ては、参照することによりその全体が本明細書に援用される。
以下の出願全ては、参照することによりその全体が本明細書に援用される:ステントと題され2010年12月13日に出願された米国仮特許出願第61/422、604)、ポリマーステントおよび製造方法と題され2010年12月20日に出願された米国仮特許出願第61/425,175号、ステントと題され2010年12月21日に出願された国際特許出願第PCT/US2010/061627号、ポリマーステントおよび製造方法2と題され2010年12月28日に出願された米国仮特許出願第61/427,773号、およびステントと題され2011年1月7日に出願された米国非仮特許出願第13/003,277号。
あるいは、コイル部材106は、ループ104上に配置されループ104に接着されたX線不透過性スリーブであり得る。
一例において、ワイヤ102は、直径約.001インチ〜.010インチのニチノールなどの形状記憶弾性材料によって構成される。
別の変更例において、事前に織り込まれたワイヤ102を単一の方向に沿ってテーパー状にし、共に織り込んでステント100を形成することができる。
本発明による別の好適な実施形態において、流れ方向転換層202は、固定ステント100中に織り込まれてもよい。
Claims (16)
- 単一の形状記憶金属ワイヤから形成された第1の層であって、第1の気孔率を有し、中を通る空間を備える概して管状の形状を形成する、第1の層と、
前記第1の気孔率よりも低い第2の気孔率を有し、形状記憶金属ワイヤから形成された第2の層であって、前記管状の形状内の前記空間内に配置される、前記第2の層と、
を含み、
前記第2の層は、1つ以上の位置において前記第1の層に接続される、
装置。 - 前記第2の気孔率は、45%〜70%である、請求項1の装置。
- 前記装置の長さに沿った前記1つ以上の位置において前記第1の層を前記第2の層に接続させるように織り込まれる支持ワイヤをさらに含む、請求項1の装置。
- 前記支持ワイヤは、らせんパターンに織り込まれている、請求項3の装置。
- 前記支持ワイヤの近位端部および前記支持ワイヤの遠位端部はそれぞれ、前記第1の層の一部の周囲に巻かれている、請求項3の装置。
- 前記装置の前記長さに沿った前記1つ以上の位置は、前記装置の遠位端部と、前記装置の近位端部とを含む、請求項1の装置。
- 前記装置の前記長さに沿った前記1つ以上の位置において前記第1の層を前記第2の層に接続するようにらせん状に織り込まれた第2の支持ワイヤと第3の支持ワイヤとをさらに含む、請求項3の装置。
- 前記装置の第1の端部および中間の近くにおいて前記第1の層を前記第2の層に接続させるように織り込まれた第1の支持ワイヤと、前記装置の第1の端部および中間の近くにおいて前記第1の層を前記第2の層に接続させるように織り込まれた前記第2の支持ワイヤとをさらに含む、請求項1の装置。
- 前記第1の層および前記第2の層は、実質的に同一の編み込みピッチを有する、請求項1の装置。
- 前記第1の層および前記第2の層は、それらの間に実質的に隙間を有していない、請求項1の装置。
- 前記第1の層および第2の層は、実質的に同一のピッチを有し、前記層の間に実質的に隙間を有していない、請求項1の装置。
- 前記第2の層は、前記第1の層の内径と等しい直径を有するように編み込まれかつヒートセットされる、請求項11の装置。
- 前記第1の層および前記第2の層は、実質的に同一の編み込みピッチを有する、請求項11の装置。
- 前記第1の層および前記第2の層は、実質的に同一の速度で拡張し、実質的に同一の量だけ縮小する、請求項11の装置。
- 前記第1の層および前記第2の層は、前記装置の近位端部の近くでかつ前記装置の遠位端部において相互に取り付けられる、請求項11の装置。
- 前記第1の層および前記第2の層は、前記第1の層と前記第2の層との間でらせんパターンに織り込まれた支持ワイヤによって取り付けられる、請求項11の装置。
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US201261612158P | 2012-03-16 | 2012-03-16 | |
US61/612,158 | 2012-03-16 | ||
US201261618375P | 2012-03-30 | 2012-03-30 | |
US61/618,375 | 2012-03-30 | ||
US201261667895P | 2012-07-03 | 2012-07-03 | |
US61/667,895 | 2012-07-03 | ||
PCT/US2013/032636 WO2013138789A1 (en) | 2012-03-16 | 2013-03-15 | Stent and stent delivery device |
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JP2017239236A Division JP6830054B2 (ja) | 2012-03-16 | 2017-12-14 | ステントおよびステント送達装置 |
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JP2017239236A Active JP6830054B2 (ja) | 2012-03-16 | 2017-12-14 | ステントおよびステント送達装置 |
JP2020176556A Active JP7234190B2 (ja) | 2012-03-16 | 2020-10-21 | ステントおよびステント送達装置 |
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JP2020176556A Active JP7234190B2 (ja) | 2012-03-16 | 2020-10-21 | ステントおよびステント送達装置 |
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