JP4667758B2 - スプリットブリッジ・ステントデザイン - Google Patents
スプリットブリッジ・ステントデザイン Download PDFInfo
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- JP4667758B2 JP4667758B2 JP2004080539A JP2004080539A JP4667758B2 JP 4667758 B2 JP4667758 B2 JP 4667758B2 JP 2004080539 A JP2004080539 A JP 2004080539A JP 2004080539 A JP2004080539 A JP 2004080539A JP 4667758 B2 JP4667758 B2 JP 4667758B2
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- JP
- Japan
- Prior art keywords
- stent
- marker
- bridge
- bridges
- medical device
- 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
-
- 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
- A61F2/82—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
- A61F2002/91541—Adjacent bands are arranged out of phase
-
- 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
- A61F2230/005—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
Description
(実施態様A)
腔内医療装置であって、
複数のストラット、及び近接した前記ストラットを連結している複数のループを備えた、前端開口及び後端開口を有する実質的に管状の部材を形成する複数のフープと、
前記実質的に管状の部材を形成するべく、所定の位置で複数のフープを相互に連結している1または複数のブリッジと、
前記複数のフープのそれぞれの間に配置された少なくとも1つのスプリットブリッジとを含み、
前記少なくとも1つのスプリットブリッジが、前記腔内医療装置が拘束されて軸方向の圧縮荷重を受けると、当接する第1の独立部分及び第2の独立部分を含むことを特徴とする腔内医療装置。
(1)前記複数のフープ、前記1または複数のブリッジ、及び前記少なくとも1つのスプリットブリッジが超弾性合金を含むことを特徴とする実施態様Aに記載の腔内医療装置。
(2)前記長弾性合金が、約55%〜約60%がニッケルで残りがチタンからなることを特徴とする実施態様(1)に記載の腔内医療装置。
(3)前記複数のストラット及び前記複数のループが実質的にS字型構造を形成していることを特徴とする実施態様Aに記載の腔内医療装置。
(4)前記複数のフープを連結している前記1または複数のブリッジのそれぞれが第1の端部及び第2の端部を含み、前記第1の端部があるフープの1つのループに連結されており、前記第2の端部が近接したフープの1つのループに連結されていることを特徴とする実施態様Aに記載の腔内医療装置。
(5)前記複数のフープのそれぞれの間に配置された前記少なくとも1つのスプリットブリッジが、前記複数のフープを相互に連結している前記1または複数のブリッジ間に配置されていることを特徴とする実施態様(4)に記載の腔内医療装置。
(7)前記少なくとも1つのスプリットブリッジの前記第1の独立部分の前記第1の端部が1つのフープの1つのループに連結されており、前記少なくとも1つのスプリットブリッジの前記第2の独立部分の前記第1の端部が近接したフープの1つのループに連結されていることを特徴とする実施態様(6)に記載の腔内医療装置。
(8)前記腔内装置が拘束されて軸方向に圧縮荷重されると、前記少なくとも1つのスプリットブリッジの前記第1の独立部分の前記第2の端部が、前記少なくとも1つのスプリットブリッジの前記第2の独立部分の前記第2の端部に少なくとも部分的に当接するように構成されていることを特徴とする実施態様(7)に記載の腔内医療装置。
(9)前記第1の独立部分の前記第2の端部及び前記第2の独立部分の前記第2の端部が、当接のための増大したプロフィールを有することを特徴とする実施態様(8)に記載の腔内医療装置。
(10)前記腔内医療装置が拡張すると、前記第1の独立部分と前記第2の独立部分が互いに離間することを特徴とする実施態様Aに記載の腔内医療装置。
102 前部開口端
104 後部開口端
106 ステントの軸線
108a〜108d フープ
110 縦ストラット
116 ブリッジ
800 マーカー
802 マーカーハウジング
804 マーカーインサート
1500 ステント
1502 フープ
1504 縦ストラット
1506 ループ
1508 ループ中心部
1510 ブリッジ
1512 スプリットブリッジ
Claims (6)
- 腔内医療装置であって、
複数のストラット、及び近接した前記ストラットを連結している複数のループを備えた、前端開口及び後端開口を有する実質的に管状の部材を形成する複数のフープと、
前記実質的に管状の部材を形成するべく、所定の位置で複数のフープを相互に連結している1または複数のブリッジと、
前記複数のフープのそれぞれの間に配置された少なくとも1つのスプリットブリッジとを含み、
前記少なくとも1つのスプリットブリッジが、前記腔内医療装置が拘束されて軸方向の圧縮荷重を受けると、当接する第1の独立部分及び第2の独立部分を含み、
軸方向の圧縮荷重を受けると、互いに対向する前記第1の独立部分の先端部と前記第2の独立部分の先端部とが当接し、前記腔内医療装置が拡張すると、前記第1の独立部分および前記第2の独立部分の周方向における整合がずれて、前記第1の独立部分と前記第2の独立部分が互いに離間するようになっており、
互いに当接する前記第1の独立部分の前記先端部及び前記第2の独立部分の前記先端部の幅が、前記ブリッジの幅より大きいことを特徴とする腔内医療装置。 - 前記複数のフープ、前記1または複数のブリッジ、及び前記少なくとも1つのスプリットブリッジが超弾性合金を含むことを特徴とする請求項1に記載の腔内医療装置。
- 前記超弾性合金が、55%〜60%がニッケルで残りがチタンからなることを特徴とする請求項2に記載の腔内医療装置。
- 前記複数のストラット及び前記複数のループが実質的にS字型構造を形成していることを特徴とする請求項1に記載の腔内医療装置。
- 前記複数のフープを連結している前記1または複数のブリッジのそれぞれが第1の端部及び第2の端部を含み、前記第1の端部があるフープの1つのループに連結されており、前記第2の端部が近接したフープの1つのループに連結されていることを特徴とする請求項1に記載の腔内医療装置。
- 前記複数のフープのそれぞれの間に配置された前記少なくとも1つのスプリットブリッジが、前記複数のフープを相互に連結している前記1または複数のブリッジ間に配置されていることを特徴とする請求項5に記載の腔内医療装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/392,936 US7214240B2 (en) | 2003-03-20 | 2003-03-20 | Split-bridge stent design |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004283590A JP2004283590A (ja) | 2004-10-14 |
JP4667758B2 true JP4667758B2 (ja) | 2011-04-13 |
Family
ID=32824891
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004080539A Expired - Fee Related JP4667758B2 (ja) | 2003-03-20 | 2004-03-19 | スプリットブリッジ・ステントデザイン |
Country Status (6)
Country | Link |
---|---|
US (1) | US7214240B2 (ja) |
EP (1) | EP1459708B1 (ja) |
JP (1) | JP4667758B2 (ja) |
AT (1) | ATE406851T1 (ja) |
CA (1) | CA2459516C (ja) |
DE (1) | DE602004016238D1 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040254627A1 (en) * | 2003-04-04 | 2004-12-16 | Thompson Paul J. | Stent with end adapted for flaring |
WO2006116383A2 (en) * | 2005-04-25 | 2006-11-02 | Ev3, Inc. | Controlled fracture connections for stents |
US20070100431A1 (en) * | 2005-11-03 | 2007-05-03 | Craig Bonsignore | Intraluminal medical device with strain concentrating bridge |
EP1954224B1 (en) * | 2005-11-14 | 2013-05-29 | Covidien LP | Stent delivery system for ostial locations in a conduit |
US8348991B2 (en) * | 2006-03-29 | 2013-01-08 | Boston Scientific Scimed, Inc. | Stent with overlap and high expansion |
US20080097620A1 (en) | 2006-05-26 | 2008-04-24 | Nanyang Technological University | Implantable article, method of forming same and method for reducing thrombogenicity |
JP4973173B2 (ja) * | 2006-12-15 | 2012-07-11 | ニプロ株式会社 | ステントデリバリーシステム |
US20080195193A1 (en) * | 2007-02-01 | 2008-08-14 | Cook Incorporated | Covered balloon expandable stent design and method of covering |
US8091455B2 (en) | 2008-01-30 | 2012-01-10 | Cummins Filtration Ip, Inc. | Apparatus, system, and method for cutting tubes |
US8187396B2 (en) | 2008-06-12 | 2012-05-29 | Cook Medical Technologies Llc | Method of making a self-expanding stent |
US8206636B2 (en) | 2008-06-20 | 2012-06-26 | Amaranth Medical Pte. | Stent fabrication via tubular casting processes |
US10898620B2 (en) | 2008-06-20 | 2021-01-26 | Razmodics Llc | Composite stent having multi-axial flexibility and method of manufacture thereof |
US8206635B2 (en) | 2008-06-20 | 2012-06-26 | Amaranth Medical Pte. | Stent fabrication via tubular casting processes |
US10905578B2 (en) * | 2017-02-02 | 2021-02-02 | C. R. Bard, Inc. | Short stent |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08506039A (ja) * | 1993-02-04 | 1996-07-02 | アンギオーメド ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー メディツィーンテヒニク コマンディート ゲゼルシャフト | ステント |
US20020111671A1 (en) * | 2001-02-15 | 2002-08-15 | Stenzel Eric B. | Locking stent |
JP2003047662A (ja) * | 2001-06-08 | 2003-02-18 | Cordis Corp | 血管拡張装置及びその方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3585707A (en) | 1966-04-13 | 1971-06-22 | Cordis Corp | Method of making tubular products |
SE445884B (sv) | 1982-04-30 | 1986-07-28 | Medinvent Sa | Anordning for implantation av en rorformig protes |
US4733665C2 (en) | 1985-11-07 | 2002-01-29 | Expandable Grafts Partnership | Expandable intraluminal graft and method and apparatus for implanting an expandable intraluminal graft |
US5045072A (en) | 1989-06-13 | 1991-09-03 | Cordis Corporation | Catheter having highly radiopaque, flexible tip |
US5254107A (en) | 1991-03-06 | 1993-10-19 | Cordis Corporation | Catheter having extended braid reinforced transitional tip |
JPH08507243A (ja) | 1993-07-23 | 1996-08-06 | クック インコーポレイティッド | シート材料から形成されたパターンを有するフレキシブルなステント |
JP2825452B2 (ja) | 1994-04-25 | 1998-11-18 | アドヴァンスド カーディオヴァスキュラー システムズ インコーポレーテッド | ラジオパク・ステント・マーカ |
DE4418336A1 (de) * | 1994-05-26 | 1995-11-30 | Angiomed Ag | Stent |
CA2171896C (en) | 1995-03-17 | 2007-05-15 | Scott C. Anderson | Multi-anchor stent |
US5741327A (en) | 1997-05-06 | 1998-04-21 | Global Therapeutics, Inc. | Surgical stent featuring radiopaque markers |
US6022374A (en) | 1997-12-16 | 2000-02-08 | Cardiovasc, Inc. | Expandable stent having radiopaque marker and method |
US6551351B2 (en) | 1999-07-02 | 2003-04-22 | Scimed Life Systems | Spiral wound stent |
US6296661B1 (en) * | 2000-02-01 | 2001-10-02 | Luis A. Davila | Self-expanding stent-graft |
-
2003
- 2003-03-20 US US10/392,936 patent/US7214240B2/en not_active Expired - Lifetime
-
2004
- 2004-03-04 CA CA2459516A patent/CA2459516C/en not_active Expired - Lifetime
- 2004-03-15 EP EP04251463A patent/EP1459708B1/en not_active Expired - Lifetime
- 2004-03-15 DE DE602004016238T patent/DE602004016238D1/de not_active Expired - Lifetime
- 2004-03-15 AT AT04251463T patent/ATE406851T1/de not_active IP Right Cessation
- 2004-03-19 JP JP2004080539A patent/JP4667758B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08506039A (ja) * | 1993-02-04 | 1996-07-02 | アンギオーメド ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー メディツィーンテヒニク コマンディート ゲゼルシャフト | ステント |
US20020111671A1 (en) * | 2001-02-15 | 2002-08-15 | Stenzel Eric B. | Locking stent |
JP2003047662A (ja) * | 2001-06-08 | 2003-02-18 | Cordis Corp | 血管拡張装置及びその方法 |
Also Published As
Publication number | Publication date |
---|---|
ATE406851T1 (de) | 2008-09-15 |
EP1459708A1 (en) | 2004-09-22 |
DE602004016238D1 (de) | 2008-10-16 |
JP2004283590A (ja) | 2004-10-14 |
US20040186555A1 (en) | 2004-09-23 |
EP1459708B1 (en) | 2008-09-03 |
US7214240B2 (en) | 2007-05-08 |
CA2459516C (en) | 2011-09-20 |
CA2459516A1 (en) | 2004-09-20 |
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