JP4839307B2 - 硬化した血管病変を処置するための装置および方法 - Google Patents
硬化した血管病変を処置するための装置および方法 Download PDFInfo
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- JP4839307B2 JP4839307B2 JP2007505113A JP2007505113A JP4839307B2 JP 4839307 B2 JP4839307 B2 JP 4839307B2 JP 2007505113 A JP2007505113 A JP 2007505113A JP 2007505113 A JP2007505113 A JP 2007505113A JP 4839307 B2 JP4839307 B2 JP 4839307B2
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Images
Classifications
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- 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
- A61M25/104—Balloon catheters used for angioplasty
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
- A61B17/320725—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with radially expandable cutting or abrading elements
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00867—Material properties shape memory effect
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22051—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation
- A61B2017/22061—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation for spreading elements apart
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22051—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation
- A61B2017/22065—Functions of balloons
- A61B2017/22069—Immobilising; Stabilising
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- 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
- A61M2025/1086—Balloon catheters with special features or adapted for special applications having a special balloon surface topography, e.g. pores, protuberances, spikes or grooves
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- 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
- A61M2025/109—Balloon catheters with special features or adapted for special applications having balloons for removing solid matters, e.g. by grasping or scraping plaque, thrombus or other matters that obstruct the flow
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- Health & Medical Sciences (AREA)
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- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Surgical Instruments (AREA)
Description
本発明は医療機器の分野に関し、より詳細には、血管系内の狭窄症の処置を目的とした医療機器に関する。
下記の米国特許および刊行物は、切断バルーンおよびバルーン構造に関する:特許文献7;特許文献8;特許文献5;特許文献9;特許文献10;特許文献11;特許文献12;特許文献13;特許文献14;特許文献15;特許文献16;特許文献17;特許文献18;特許文献19;特許文献2;特許文献20;特許文献21;特許文献1;特許文献22;特許文献23;および特許文献3。他の関連米国特許として、特許文献24;特許文献25;特許文献26;特許文献27;および特許文献28が挙げられる。
本発明は、脈管構造内の狭窄領域を拡張するための改良された装置および方法を提供する。狭窄領域は、繊維化、石灰化もしくは他の硬化プラーク部位、または従来の血管形成バルーンを用いて拡張することが困難であり得るタイプの他の狭窄物質を含む場合が多い。これらの方法および装置は、冠動脈管構造を備えるがこれに限定されない動脈管構造の処置に最もよく利用される場合が多いが、静脈および/または末梢脈管構造の処置、ステントを利用できない小血管および/または血管分岐部の処置、動脈口病変の処置、ならびにISRの処置にも利用される場合がある。
以下の説明では、本発明の種々の局面を説明する。本発明の十分な理解を得るために、特定の構成および事項について説明する。しかしながら、本明細書中において提示する特定の事項がなくとも本発明が実施可能であることは当業者には明らかである。さらに、本発明を不明瞭にしないために、周知の特徴を省略または簡略化する場合がある。
Claims (8)
- 血管形成カテーテルであって、
近位端および遠位端を有するカテーテル本体と、
前記カテーテル本体の前記遠位端近傍で半径方向に拡張可能なシェルと、
前記シェル上に載せられるが前記シェルに装着されていない外部構造であって、前記外部構造は、その遠位端において、前記カテーテル本体に装着され、前記シェルが半径方向に拡張した際に、軸方向に縮まる、および/または、前記カテーテル本体に対して回転する、外部構造と、
前記カテーテル本体に固定して装着された近位端と前記外部構造の前記近位端に装着された遠位端とを有するアタッチメント構造であって、前記アタッチメント構造は、前記外部構造が前記シェルによって拡張させられた際に生じた寸法形状の変化および反力に対応するために十分な大きさとコンプライアンスを有する、アタッチメント構造と、
を備える、カテーテル。 - 前記外部構造は切込形成構造または切断構造を備える、請求項1に記載のカテーテル。
- 前記外部構造の少なくとも一部は前記シェル上でらせん状に配列される、請求項1または2に記載のカテーテル。
- 前記外部構造の遠位端は前記カテーテル本体に固定され、前記アタッチメント構造は、前記シェルが拡張された際に前記外部構造の縮まりに対応するように軸方向に延びる、請求項1に記載のカテーテル。
- 前記アタッチメント構造は、前記シェルが拡張された際に前記外部構造の回転に対応するように回転方向にトルクを生じる、請求項4に記載のカテーテル。
- 前記アタッチメント構造は、外径および内径を有し、前記カテーテル本体上に延びるコンプライアンスチューブを備える、請求項1〜5のいずれかに記載のカテーテル。
- 前記コンプライアンスチューブの前記内径は、前記外部構造が縮まった際に前記コンプライアンスチューブが前記カテーテル本体に対して自由に長さを伸ばすように前記カテーテル本体の外径よりも大きい、請求項6に記載のカテーテル。
- 前記コンプライアンスチューブの材料および寸法は、前記外部構造と拡張可能なシェルのコンプライアンスを制御するように選択される、請求項1〜7のいずれかに記載のカテーテル。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/810,330 | 2004-03-25 | ||
US10/810,330 US7955350B2 (en) | 2003-01-21 | 2004-03-25 | Apparatus and methods for treating hardened vascular lesions |
US10/917,917 | 2004-08-13 | ||
US10/917,917 US8080026B2 (en) | 2003-01-21 | 2004-08-13 | Apparatus and methods for treating hardened vascular lesions |
PCT/US2005/009571 WO2005094477A2 (en) | 2004-03-25 | 2005-03-21 | Apparatus and methods for treating hardened vascular lesions |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2007530158A JP2007530158A (ja) | 2007-11-01 |
JP2007530158A5 JP2007530158A5 (ja) | 2008-04-24 |
JP4839307B2 true JP4839307B2 (ja) | 2011-12-21 |
Family
ID=35064384
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007505113A Active JP4839307B2 (ja) | 2004-03-25 | 2005-03-21 | 硬化した血管病変を処置するための装置および方法 |
Country Status (4)
Country | Link |
---|---|
US (5) | US8080026B2 (ja) |
EP (1) | EP1740105B1 (ja) |
JP (1) | JP4839307B2 (ja) |
WO (1) | WO2005094477A2 (ja) |
Families Citing this family (111)
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US8080026B2 (en) * | 2003-01-21 | 2011-12-20 | Angioscore, Inc. | Apparatus and methods for treating hardened vascular lesions |
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2004
- 2004-08-13 US US10/917,917 patent/US8080026B2/en active Active
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- 2005-03-21 WO PCT/US2005/009571 patent/WO2005094477A2/en active Application Filing
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US20050021071A1 (en) | 2005-01-27 |
JP2007530158A (ja) | 2007-11-01 |
US20140288586A1 (en) | 2014-09-25 |
US9962529B2 (en) | 2018-05-08 |
US8080026B2 (en) | 2011-12-20 |
WO2005094477A3 (en) | 2006-08-17 |
US20120053605A1 (en) | 2012-03-01 |
US20180353734A1 (en) | 2018-12-13 |
US8454636B2 (en) | 2013-06-04 |
EP1740105A4 (en) | 2013-12-18 |
WO2005094477A2 (en) | 2005-10-13 |
US8721667B2 (en) | 2014-05-13 |
US10722694B2 (en) | 2020-07-28 |
US20130226220A1 (en) | 2013-08-29 |
EP1740105B1 (en) | 2020-07-29 |
EP1740105A2 (en) | 2007-01-10 |
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