JP2013509259A - 改善された可撓性及び耐久性を有する腔内デバイス - Google Patents
改善された可撓性及び耐久性を有する腔内デバイス Download PDFInfo
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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
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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
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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
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/962—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve
- A61F2/966—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod
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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
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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
- A61F2002/91583—Adjacent bands being connected to each other by a bridge, whereby at least one of its ends is connected along the length of a strut between two consecutive apices within a band
-
- 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
- A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2210/0076—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof multilayered, e.g. laminated structures
-
- 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
-
- 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
- A61F2250/0036—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 thickness
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- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
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Abstract
Description
本出願は、2009年10月30日に出願された米国仮出願第61/256,633号の利益を主張するものであり、該仮出願は、参照により本明細書に組み込まれる。
本発明は、疾患によって狭窄又は閉塞した血管を修復するために特に有用である、身体通路又はダクト内での使用のための拡張型腔内移植片(「ステント」)に関する。本発明は更に、自己拡張し、かつニチノール等の超弾性材料から作製されるようなステントにも関する。本発明はまた、かかるステントの送達システムにも関する。
(1) 患者の血管内に挿入するためのステントであって、
前側及び後側の開口端と、それらの間に延在する長手方向軸線と、を有する管状部材であって、前記部材が、前記血管内への挿入のための第1のより小さい直径と、前記血管内への展開のための第2のより大きい直径と、を有し、前記管状部材が、前記長手方向軸線に対して近位及び遠位の開口端をそれぞれが有する、複数の隣接するフープを備え、前記フープが、実質的にS型又はZ型パターンの一連のピーク部及び谷部を形成するように、複数の長手方向の支柱と、周囲方向に隣接する支柱を接続する複数のループと、を備える、管状部材と、
繰り返しパターンで隣接するフープ上のループ間で接続された複数の架橋部であって、前記ループとフープとの間のそれぞれの前記接続が、接続領域を形成し、前記繰り返しパターンが、前記隣接するフープのうちの1つの所与の端に対するループの総数と、同一のフープの同一の端に対する接続領域の数との比率であり、前記比率が、整数である、架橋部と、
を備える、ステント。
(2) 前記比率が、2:1である、実施態様1に記載のステント。
(3) 前記比率が、4:1である、実施態様1に記載のステント。
(4) 前記比率が、8:1である、実施態様1に記載のステント。
(5) 各架橋部が、湾曲した架橋ループ部材の第1の端に各端で直接接続された細長い線形支柱部材を備え、それぞれの湾曲した架橋ループ部材の第2の端が、前記接続領域で前記ループ部材に直接接続される、実施態様1に記載のステント。
(6) 前記管状部材の周囲と、前記細長い線形支柱部材の長さとの比率が、4を超える、実施態様5に記載のステント。
(7) 前記隣接するフープ上のループが、前記長手方向軸線に対して同一の方向に配向される、実施態様1に記載のステント。
(8) 前記隣接するフープ上のループが、前記長手方向軸線に対して回転オフセットされる、実施態様1に記載のステント。
(9) 前記整数が、偶数である、実施態様1に記載のステント。
(10) 前記架橋部が、前記管状部材の前記周囲に沿って均等に離間される、実施態様1に記載のステント。
(12) 前記ステントが、超弾性合金から作製される、実施態様1に記載のステント。
(13) 前記合金が、約50.5パーセント〜約60パーセントのニッケルを含み、残りがチタンを含む、実施態様12に記載のステント。
(14) 前記細長い線形支柱部材が、その長さに沿った中心点に最も狭い地点を有して先細にされる、実施態様5に記載のステント。
Claims (14)
- 患者の血管内に挿入するためのステントであって、
前側及び後側の開口端と、それらの間に延在する長手方向軸線と、を有する管状部材であって、前記部材が、前記血管内への挿入のための第1のより小さい直径と、前記血管内への展開のための第2のより大きい直径と、を有し、前記管状部材が、前記長手方向軸線に対して近位及び遠位の開口端をそれぞれが有する、複数の隣接するフープを備え、前記フープが、実質的にS型又はZ型パターンの一連のピーク部及び谷部を形成するように、複数の長手方向の支柱と、周囲方向に隣接する支柱を接続する複数のループと、を備える、管状部材と、
繰り返しパターンで隣接するフープ上のループ間で接続された複数の架橋部であって、前記ループとフープとの間のそれぞれの前記接続が、接続領域を形成し、前記繰り返しパターンが、前記隣接するフープのうちの1つの所与の端に対するループの総数と、同一のフープの同一の端に対する接続領域の数との比率であり、前記比率が、整数である、架橋部と、
を備える、ステント。 - 前記比率が、2:1である、請求項1に記載のステント。
- 前記比率が、4:1である、請求項1に記載のステント。
- 前記比率が、8:1である、請求項1に記載のステント。
- 各架橋部が、湾曲した架橋ループ部材の第1の端に各端で直接接続された細長い線形支柱部材を備え、それぞれの湾曲した架橋ループ部材の第2の端が、前記接続領域で前記ループ部材に直接接続される、請求項1に記載のステント。
- 前記管状部材の周囲と、前記細長い線形支柱部材の長さとの比率が、4を超える、請求項5に記載のステント。
- 前記隣接するフープ上のループが、前記長手方向軸線に対して同一の方向に配向される、請求項1に記載のステント。
- 前記隣接するフープ上のループが、前記長手方向軸線に対して回転オフセットされる、請求項1に記載のステント。
- 前記整数が、偶数である、請求項1に記載のステント。
- 前記架橋部が、前記管状部材の前記周囲に沿って均等に離間される、請求項1に記載のステント。
- 前記管の前記周囲と、前記隣接するフープ間の距離との比率が、20:1〜50:1である、請求項1に記載のステント。
- 前記ステントが、超弾性合金から作製される、請求項1に記載のステント。
- 前記合金が、約50.5パーセント〜約60パーセントのニッケルを含み、残りがチタンを含む、請求項12に記載のステント。
- 前記細長い線形支柱部材が、その長さに沿った中心点に最も狭い地点を有して先細にされる、請求項5に記載のステント。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US25663309P | 2009-10-30 | 2009-10-30 | |
US61/256,633 | 2009-10-30 | ||
PCT/US2010/054455 WO2011053693A1 (en) | 2009-10-30 | 2010-10-28 | Intraluminal device with improved flexibility and durability |
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JP2013509259A true JP2013509259A (ja) | 2013-03-14 |
JP6033685B2 JP6033685B2 (ja) | 2016-11-30 |
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JP2012537056A Expired - Fee Related JP6033685B2 (ja) | 2009-10-30 | 2010-10-28 | 改善された可撓性及び耐久性を有する腔内デバイス |
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US (1) | US11399971B2 (ja) |
EP (1) | EP2493430B1 (ja) |
JP (1) | JP6033685B2 (ja) |
KR (1) | KR101846034B1 (ja) |
CN (2) | CN106901881B (ja) |
AU (2) | AU2010313389A1 (ja) |
BR (1) | BR112012011466B1 (ja) |
CA (1) | CA2779080C (ja) |
IL (1) | IL219435A (ja) |
MX (1) | MX357659B (ja) |
WO (1) | WO2011053693A1 (ja) |
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CN113218210A (zh) * | 2013-10-11 | 2021-08-06 | 喷气发动机有限公司 | 热交换器 |
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US9028540B2 (en) | 2011-03-25 | 2015-05-12 | Covidien Lp | Vascular stent with improved vessel wall apposition |
WO2014042900A1 (en) * | 2012-09-12 | 2014-03-20 | The Regents Of The University Of California | Apparatus and methods for precise stent placement |
US9254205B2 (en) | 2012-09-27 | 2016-02-09 | Covidien Lp | Vascular stent with improved vessel wall apposition |
JP2015043728A (ja) * | 2013-08-28 | 2015-03-12 | 株式会社シマノ | コイルドウェーブスプリング、及びドラグつまみ |
US9968472B2 (en) * | 2015-10-27 | 2018-05-15 | Contego Medical, Llc | Transluminal angioplasty devices and methods of use |
US10940030B2 (en) * | 2017-03-10 | 2021-03-09 | Serenity Medical, Inc. | Method and system for delivering a self-expanding stent to the venous sinuses |
AU2018332801B2 (en) | 2017-09-12 | 2020-09-10 | W. L. Gore & Associates, Inc. | Substrate with rotatable struts for medical device |
CN114533355A (zh) * | 2020-11-19 | 2022-05-27 | 上海鸿脉医疗科技有限公司 | 一种医用支架 |
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JPH08509899A (ja) * | 1994-04-01 | 1996-10-22 | プログラフト メディカル,インコーポレイテッド | 自己拡張可能なステントおよびステント−グラフトならびにそれらの使用方法 |
JP2002524135A (ja) * | 1998-09-05 | 2002-08-06 | ヨーメト インプランターテ ゲーエムベーハー | ステント |
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CA2779080A1 (en) | 2011-05-05 |
US11399971B2 (en) | 2022-08-02 |
CN106901881A (zh) | 2017-06-30 |
AU2010313389A1 (en) | 2012-05-31 |
IL219435A0 (en) | 2012-06-28 |
BR112012011466A2 (pt) | 2016-05-10 |
IL219435A (en) | 2016-04-21 |
RU2012122199A (ru) | 2013-12-10 |
KR101846034B1 (ko) | 2018-04-05 |
CN106901881B (zh) | 2019-06-18 |
MX2012005082A (es) | 2012-09-12 |
MX357659B (es) | 2018-07-18 |
US20110106238A1 (en) | 2011-05-05 |
BR112012011466B1 (pt) | 2020-10-27 |
KR20120101410A (ko) | 2012-09-13 |
JP6033685B2 (ja) | 2016-11-30 |
AU2015243099A1 (en) | 2015-11-05 |
WO2011053693A1 (en) | 2011-05-05 |
CN102753119A (zh) | 2012-10-24 |
EP2493430A1 (en) | 2012-09-05 |
AU2015243099B2 (en) | 2018-02-01 |
EP2493430B1 (en) | 2020-12-02 |
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