JP2007530158A - 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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- A—HUMAN NECESSITIES
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- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/104—Balloon catheters used for angioplasty
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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
- A61B17/32—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
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- 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
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- 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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Abstract
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 (34)
- 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該シェルに装着されていない外部構造と、
近位端および前記外部構造に装着された遠位端を有するアタッチメント構造であって、該アタッチメント構造は、該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。
- 前記外部構造は近位端および遠位端を有し、前記アタッチメント構造の前記近位端は前記カテーテル本体に固定され、該アタッチメント構造の前記遠位端は該外部構造の該近位端に留められる、請求項1〜3のいずれかに記載のカテーテル。
- 前記外部構造の前記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該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4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5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1〜6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該コンプライアンスチューブが該カテーテル本体に対して自由に長さを伸ばすように該カテーテル本体の外径よりも大きい、請求項7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1〜8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は弾性材料を含む、請求項8に記載のカテーテル。
- 前記コンプライアンスチューブはポリマーを含む、請求項10に記載のカテーテル。
- ポリマーは、ナイロンまたはペバックスからなる群から選択される、請求項11に記載のカテーテル。
- 前記コンプライアンスチューブは、0.001インチ〜0.1インチの範囲の肉厚を有する、請求項10〜12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は、1cm〜10cmの範囲の長さを有する、請求項10〜13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は編組物質を含む、請求項10〜14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は金属を含む、請求項9に記載のカテーテル。
- 前記コンプライアンスチューブはワイヤメッシュを含む、請求項16に記載のカテーテル。
- 前記コンプライアンスチューブの遠位端は、前記外部構造の近位端上に積層される、請求項1〜17のいずれかに記載のカテーテル。
- スリーブが、熱ボンドを用いて前記コンプライアンスチューブに積層される、請求項18に記載のカテーテル。
- 前記コンプライアンスチューブは、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ための1つ以上の穿孔を有する、請求項1〜18のいずれかに記載のカテーテル。
- 前記1つ以上の穿孔は、前記コンプライアンスチューブの外周に沿って延びる1つ以上のスロットを備える、請求項20に記載のカテーテル。
- 前記スロットは相互に平行である、請求項22に記載のカテーテル。
- 前記スロットは、前記コンプライアンスチューブ上をらせん状に延びる、請求項22に記載のカテーテル。
- 前記スロットは、前記コンプライアンスチューブ上を径方向に延びる、請求項22に記載のカテーテル。
- 前記コンプライアンスチューブは、その遠位端から近位端に向かって先細りする外径を有する、請求項1〜24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外径は、前記遠位端から前記近位端に向かって0.004インチ〜0.010インチの範囲で先細りする、請求項25に記載のカテーテル。
- 前記アタッチメント構造は、遠位端が前記外部構造に接続され、近位端がマニピュレータに接続される、請求項1〜26のいずれかに記載の外部カテーテル。
- 前記マニピュレータは前記カテーテル本体の前記近位端に位置し、前記アタッチメント構造は前記外部構造から該カテーテル本体の長さに渡って延びる、請求項27に記載のカテーテル。
- 切込形成カテーテルであって、
遠位端および近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た切込形成構造であって、該切込形成構造は該切込形成構造を前記カテーテル本体に留める拡張可能なアタッチメントエレメントを含み、該拡張可能なアタッチメントエレメントは、該切込形成構造を該拡張可能なシェル上に配置できるように該切込形成構造を拡張させて直径を大きくすることが可能である、切込形成構造と、
を備える、カテーテル。 - 前記切込形成構造は遠位端および近位端を有し、該切込形成構造は該切込形成構造の該近位端に第1の拡張可能なアタッチメントエレメントを備え、該切込形成構造の該遠位端に第2の拡張可能なアタッチメントエレメントを備える、請求項29に記載のカテーテル。
- 前記拡張可能なアタッチメントの各々は可撓性カラーを備える、請求項30に記載のカテーテル。
- 前記カラーは、前記切込形成構造を前記拡張可能なシェル上に配置することができる大きな内径を有し、該カラーは、前記カテーテル本体の直径に合わせてクリンプすることができる、請求項31に記載のカテーテル。
- 前記拡張可能なアタッチメントエレメントは1つ以上の蛇行エレメントを備える、請求項29〜32のいずれかに記載のカテーテル。
- 前記蛇行エレメントは、前記カテーテル本体に対して軸方向にある部分、および該カテーテル本体に対して軸方向にない部分を備える、請求項33に記載のカテーテル。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/810,330 US7955350B2 (en) | 2003-01-21 | 2004-03-25 | Apparatus and methods for treating hardened vascular lesions |
US10/810,330 | 2004-03-25 | ||
US10/917,917 US8080026B2 (en) | 2003-01-21 | 2004-08-13 | Apparatus and methods for treating hardened vascular lesions |
US10/917,917 | 2004-08-13 | ||
PCT/US2005/009571 WO2005094477A2 (en) | 2004-03-25 | 2005-03-21 | Apparatus and methods for treating hardened vascular lesions |
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JP2007530158A true JP2007530158A (ja) | 2007-11-01 |
JP2007530158A5 JP2007530158A5 (ja) | 2008-04-24 |
JP4839307B2 JP4839307B2 (ja) | 2011-12-21 |
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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 |
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US (5) | US8080026B2 (ja) |
EP (1) | EP1740105B1 (ja) |
JP (1) | JP4839307B2 (ja) |
WO (1) | WO2005094477A2 (ja) |
Cited By (14)
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JP2011529350A (ja) * | 2008-06-10 | 2011-12-08 | ババリア メディツイン テクノロジー ゲゼルシャフト ミット ベシュレンクテル ハフツング | 疾患心臓弁の治療用スコアリングカテーテル |
JP2013512706A (ja) * | 2009-12-03 | 2013-04-18 | アンジオメト・ゲーエムベーハー・ウント・コンパニー・メディツィンテクニク・カーゲー | ステント装置送達システムおよびその作製方法 |
JP2013512705A (ja) * | 2009-12-03 | 2013-04-18 | アンジオメト・ゲーエムベーハー・ウント・コンパニー・メディツィンテクニク・カーゲー | ステント装置移送システムおよびその製造方法 |
JP2013540492A (ja) * | 2010-09-21 | 2013-11-07 | アンジオスコア, インコーポレイテッド | 弁狭窄症を処置するための方法およびシステム |
JP2014520596A (ja) * | 2011-06-29 | 2014-08-25 | コーディス・コーポレイション | ガイディング装置を拡張して可撓性を調節するシステム及び方法 |
JP2016507331A (ja) * | 2013-02-22 | 2016-03-10 | マ、ジアンル | ヒト血管系における塞栓除去のための血流制限装置及び方法 |
JP2016520369A (ja) * | 2013-04-25 | 2016-07-14 | インヴァテック ソシエタ ペル アチオニ | 選択的に展開可能なカッティングまたはスコアリング要素を有する血管形成術バルーン及び関連する方法 |
JP2016540561A (ja) * | 2013-11-13 | 2016-12-28 | ウエスト コースト カテーテル, インコーポレイテッド.West Coast Catheter, Inc. | フレキシブルな高圧バルーン |
JP2017524385A (ja) * | 2014-07-09 | 2017-08-31 | ボストン サイエンティフィック サイムド,インコーポレイテッドBoston Scientific Scimed,Inc. | 医療用回収装置および方法 |
US9962529B2 (en) | 2003-01-21 | 2018-05-08 | Angioscore, Inc. | Apparatus and methods for treating hardened vascular lesions |
US10086178B2 (en) | 2001-11-09 | 2018-10-02 | Angioscore, Inc. | Balloon catheter with non-deployable stent |
US10485571B2 (en) | 2013-10-08 | 2019-11-26 | Angioscore, Inc. | Balloon catheter with non-deployable stent having improved stability |
JP2020526370A (ja) * | 2018-05-18 | 2020-08-31 | ディーケー メディカル テクノロジー カンパニー, リミテッドDk Medical Technology Co., Ltd. | カッティングバルーン及びバルーンカテーテル |
WO2022050289A1 (ja) * | 2020-09-04 | 2022-03-10 | テルモ株式会社 | 医療デバイス |
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US7771447B2 (en) * | 2003-12-19 | 2010-08-10 | Boston Scientific Scimed, Inc. | Balloon refolding device |
US20050240148A1 (en) * | 2004-04-21 | 2005-10-27 | Scimed Life Systems, Inc. | Traction cutting balloon |
US7976557B2 (en) * | 2004-06-23 | 2011-07-12 | Boston Scientific Scimed, Inc. | Cutting balloon and process |
DK1830915T3 (da) * | 2004-12-30 | 2009-02-16 | Cook Inc | Kateterkonstruktion med plakskæreballon |
US20060178685A1 (en) * | 2004-12-30 | 2006-08-10 | Cook Incorporated | Balloon expandable plaque cutting device |
US20060173487A1 (en) * | 2005-01-05 | 2006-08-03 | Cook Incorporated | Angioplasty cutting device and method for treating a stenotic lesion in a body vessel |
US8465509B2 (en) * | 2005-02-28 | 2013-06-18 | Avraham Shekalim | Apparatus and method for removing deposits from tubular structure, particularly atheroma from blood vessels |
US10076641B2 (en) | 2005-05-11 | 2018-09-18 | The Spectranetics Corporation | Methods and systems for delivering substances into luminal walls |
US7708753B2 (en) | 2005-09-27 | 2010-05-04 | Cook Incorporated | Balloon catheter with extendable dilation wire |
WO2007040269A1 (ja) | 2005-10-05 | 2007-04-12 | Olympus Medical Systems Corp. | カプセル型医療装置、その誘導システムおよび誘導方法ならびに被検体内挿入装置 |
US8123770B2 (en) * | 2005-11-01 | 2012-02-28 | Cook Medical Technologies Llc | Angioplasty cutting device and method for treating a stenotic lesion in a body vessel |
US8388573B1 (en) * | 2006-06-28 | 2013-03-05 | Abbott Cardiovascular Systems Inc. | Local delivery with a balloon covered by a cage |
AU2007231733B2 (en) * | 2006-11-28 | 2014-03-13 | Cathrx Ltd | A catheter steering system |
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Also Published As
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US20050021071A1 (en) | 2005-01-27 |
US9962529B2 (en) | 2018-05-08 |
US8721667B2 (en) | 2014-05-13 |
US20180353734A1 (en) | 2018-12-13 |
JP4839307B2 (ja) | 2011-12-21 |
EP1740105A4 (en) | 2013-12-18 |
US8080026B2 (en) | 2011-12-20 |
US10722694B2 (en) | 2020-07-28 |
WO2005094477A3 (en) | 2006-08-17 |
WO2005094477A2 (en) | 2005-10-13 |
EP1740105B1 (en) | 2020-07-29 |
US8454636B2 (en) | 2013-06-04 |
US20140288586A1 (en) | 2014-09-25 |
EP1740105A2 (en) | 2007-01-10 |
US20130226220A1 (en) | 2013-08-29 |
US20120053605A1 (en) | 2012-03-01 |
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