JP2009513273A - 側方分岐内への展開用円錐バルーン - Google Patents
側方分岐内への展開用円錐バルーン Download PDFInfo
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Images
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
- A61F2/856—Single tubular stent with a side portal passage
-
- 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
- A61F2/954—Instruments specially adapted for placement or removal of stents or stent-grafts for placing stents or stent-grafts in a bifurcation
-
- 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
- A61F2230/0004—Rounded shapes, e.g. with rounded corners
- A61F2230/0008—Rounded shapes, e.g. with rounded corners elliptical or oval
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M2025/1043—Balloon catheters with special features or adapted for special applications
- A61M2025/1045—Balloon catheters with special features or adapted for special applications for treating bifurcations, e.g. balloons in y-configuration, separate balloons or special features of the catheter for treating bifurcations
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
Description
Claims (20)
- 非展開状態および展開状態を有する分岐カテーテルアセンブリにおいて、
第1の内腔を画成する第1の膨出軸部と、第2の内腔を画成する第2の膨出軸部と、を有する、軸内腔を画成する分岐膨出軸と、
前記第1の内腔に流体連通する第1のバルーン内腔を画成し略筒形状の作動部を有する第1のバルーンと、
前記第2の内腔に流体連通する第2のバルーン内腔を画成し軸周りに配置された略円錐形状の作動部を有する第2のバルーンであって、前記作動部が第1の端部と第2の端部とそれらの中間部とを有し、前記第1の端部が前記軸周りに第1の直径を有し、前記第2の端部が前記軸周りに第2の直径を有し、前記第1の直径が前記第2の直径よりも短く、前記中間部が前記第2の直径から前記第1の直径へ漸減する直径を前記軸周りに有する、第2のバルーンと、を備える、分岐カテーテルアセンブリ。 - 前記第2の膨出軸が楕円形状断面を有する、請求項1記載の分岐カテーテルアセンブリ。
- 前記第2のバルーンが前記第2の膨出軸に対し略直角を有する、請求項1記載の分岐カテーテルアセンブリ。
- 前記第2の膨出軸が可膨張端を有し、前記可膨張端が前記第2のバルーンである、請求項1記載の分岐カテーテルアセンブリ。
- 前記第2のバルーンが前記第1のバルーンに係合される、請求項4記載の分岐カテーテルアセンブリ。
- 前記非展開状態において前記第2のバルーンの第1の部分が前記第2のバルーンの第2の部分に折り重なってガイドワイヤ内腔を形成し、前記展開状態において折り重なった前記第1の部分と前記第2の部分とが前記ガイドワイヤ内腔を開いて前記ガイドワイヤ内腔の形成を解除する、請求項1記載の分岐カテーテルアセンブリ。
- 前記非展開状態において前記ガイドワイヤ内腔内にガイドワイヤを有し、前記ガイドワイヤを前記展開状態において解放する、請求項6記載の分岐カテーテルアセンブリ。
- 前記内腔内の流体圧力によって前記第2のバルーンよりも先に前記第1のバルーンが膨張されるように前記第2のバルーンが構成される、請求項1記載の分岐カテーテルアセンブリ。
- 前記第1の直径が約1.0mm〜3.0mmであり、前記第2の直径が約2.5mm〜4.5mmである、請求項1記載の分岐カテーテルアセンブリ。
- ステント本体と長手方向軸とを有するステントが、前記第1のバルーンと前記第2のバルーンの近傍に配置される、請求項1記載の分岐カテーテルアセンブリ。
- 前記ステントが前記第2のバルーン近傍に配置されたペタルを有し、前記第2のバルーンの膨張により前記ペタルが前記長手方向軸に対し斜め方向外方へ押される、請求項10記載の分岐カテーテルアセンブリ。
- 前記ステントが基端および先端を含むフードを有し、前記フードが前記第2のバルーン近傍に配置され、前記第2のバルーンの膨張により前記フードが前記長手方向軸に対し斜め方向外方へ押される、請求項10記載の分岐カテーテルアセンブリ。
- 前記膨張状態において、前記フード部が前記基端において前記ステント本体に対し鈍角を形成し前記先端において前記ステント本体に対し鋭角を形成する、請求項12記載の分岐カテーテルアセンブリ。
- 前記第2の端部が前記第2の膨出軸近傍に少なくとも一部配置され、前記第1の端部が前記第2の端部よりも前記第2の膨出軸に対し遠位端にあり、前記第2の端部が前記第1の端部よりも可撓性のあるように前記第2のバルーンの前記作動部が変動撓み性を有する、請求項1記載の分岐カテーテルアセンブリ。
- 非展開状態および展開状態を有する分岐カテーテルアセンブリであって、
第1の内腔を画成する第1の膨出軸と、楕円形状を有する第2の内腔を画成する第2の膨出軸と、
前記第1の膨出軸周りに配置され、前記第1の内腔に流体連通する第1のバルーン内腔を画成する第1のバルーンと、
前記第2の膨出軸周りに配置され、前記第2の内腔に流体連通する第2のバルーン内腔を画成する第2のバルーンと、を備える、分岐カテーテルアセンブリ。 - 基端と先端とを有し、前記第1の膨出軸と前記第2の膨出軸が前記先端に位置しており、前記第1と第2の膨出軸が交差して前記基端へ延びる単一軸を形成する、請求項17記載の分岐カテーテルアセンブリ。
- 前記第1のバルーンが略筒形状の作動体部を有するとともに各端部に円錐形状部を有し、前記第2のバルーンが略円錐形状の作動部を有する、請求項15記載の分岐カテーテルアセンブリ。
- 分岐箇所にてステントを展開させる方法であって、
第1のバルーンおよび第2のバルーンを有するカテーテルアセンブリを配設するステップと、
前記第1のバルーンおよび前記第2のバルーンの近傍に可膨張側方分岐部を有するステントを配置するステップであって、前記可膨張側方分岐部を前記第2のバルーンの近傍に配置するステップと、
前記分岐カテーテルアセンブリと前記ステントとを前記分岐箇所へ前進させるステップと、
膨張時に略筒形状をなす作動部を有する前記第1のバルーンを膨張させるステップと、
膨張時に略円錐形状をなす作動部を有する前記第2のバルーンを膨張させるステップであって、前記第2のバルーンが前記側方分岐部を前記分岐箇所の第2の内腔内へ膨張させるステップと、を含む、分岐箇所にてステントを展開させる方法。 - 前記側方分岐部が複数のペタルである、請求項18記載の方法。
- 前記側方分岐部がフードである、請求項18記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/262,689 | 2005-10-31 | ||
US11/262,689 US7776079B2 (en) | 2005-10-31 | 2005-10-31 | Conical balloon for deployment into side branch |
PCT/US2006/042297 WO2007053552A2 (en) | 2005-10-31 | 2006-10-30 | Bifurcated catheter assembly with conical balloon for deployment into side branch |
Publications (2)
Publication Number | Publication Date |
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JP2009513273A true JP2009513273A (ja) | 2009-04-02 |
JP5070215B2 JP5070215B2 (ja) | 2012-11-07 |
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Application Number | Title | Priority Date | Filing Date |
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JP2008538075A Expired - Fee Related JP5070215B2 (ja) | 2005-10-31 | 2006-10-30 | 分岐カテーテルアセンブリ |
Country Status (5)
Country | Link |
---|---|
US (2) | US7776079B2 (ja) |
EP (1) | EP1976465A2 (ja) |
JP (1) | JP5070215B2 (ja) |
CA (1) | CA2628215C (ja) |
WO (1) | WO2007053552A2 (ja) |
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2005
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2006
- 2006-10-30 JP JP2008538075A patent/JP5070215B2/ja not_active Expired - Fee Related
- 2006-10-30 CA CA2628215A patent/CA2628215C/en not_active Expired - Fee Related
- 2006-10-30 EP EP06827061A patent/EP1976465A2/en not_active Withdrawn
- 2006-10-30 WO PCT/US2006/042297 patent/WO2007053552A2/en active Application Filing
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WO2005014077A2 (en) * | 2003-07-18 | 2005-02-17 | Advanced Stent Technologies, Inc. | Catheter balloon systems and methods |
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US8657865B2 (en) | 2014-02-25 |
CA2628215A1 (en) | 2007-05-10 |
US20070100301A1 (en) | 2007-05-03 |
WO2007053552A2 (en) | 2007-05-10 |
EP1976465A2 (en) | 2008-10-08 |
JP5070215B2 (ja) | 2012-11-07 |
WO2007053552A3 (en) | 2007-07-19 |
US20100305681A1 (en) | 2010-12-02 |
CA2628215C (en) | 2016-05-17 |
US7776079B2 (en) | 2010-08-17 |
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