JP2017512585A - イメージング及び処理デバイス - Google Patents
イメージング及び処理デバイス Download PDFInfo
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Abstract
Description
ある実施形態において、本デバイスは、カテーテルであり、腎動脈のような、目標身体管腔への管腔内導入のために構成される。カテーテル本体の寸法及び他の物理的特性は、アクセスされるべき身体管腔に実質的に依存して変化するだろう。とりわけ、カテーテルは、ガイドワイヤチャネルがカテーテル本体を通って完全に延在するとき、"ワイヤに渡る(over-the-wire)"導入を対象とし得る、又は、ガイドワイヤチャネルがカテーテル本体の末端部分のみを通って延在する場合には"急速な交換(rapid exchange)"導入を対象とし得る。他の場合には、カテーテルの固定された若しくは一体的なコイル先端又は遠位部分上のガイドワイヤ先端を与えることが可能であり得るか、又は、ガイドワイヤを完全に分配することも可能であり得る。図示の便利さのため、ガイドワイヤは、全ての実施形態において示されるわけではないが、これらの実施形態のいずれかに取り込まれ得ることが理解されるべきである。
ある実施形態において、カテーテルは、イメージングアセンブリを含む。光音響イメージング装置、血管内超音波(IVUS)又は光コヒーレンス断層撮影(OCT)のような任意のイメージングアセンブリが本発明のデバイス及び方法によって用いられてもよい。イメージングアセンブリは、イメージングデータを形成する画像形成面へ/から信号を送信及び受信するために用いられる。
好ましい実施形態において、本発明のイメージングカテーテルは、処理要素と組み合わせられてもよい。例えば、長尺本体は、カテーテル本体の管腔に取り込まれ、長尺本体の少なくとも一部は、カテーテル本体部又は管腔内に収納される。長尺本体は、高強度エネルギを解放可能な処理要素を有する。長尺部材は、例えば、OCT及びIVUSシステムにおいて用いられる駆動ケーブルであり得る。
特許、特許出願、特許公報、ジャーナル、本、刊行物、ウェブコンテンツのような他の文書への参照及び引用がこの開示全体に渡って行われた。全ての斯様な文書は、全ての目的のためにこれらの全部について参照によりここに取り込まれる。
ここに示され及び述べられたものに加えて、本発明の種々の変更及びその多くの更なる実施形態は、ここで引用される科学及び特許論文への参照を含むこの文書の全体内容から当業者にとって明らかになるだろう。ここでの主題は、その種々の実施形態及びその均等物についてこの本発明のプラクティスに適合され得る重要な情報、実例及びガイダンスを含む。
Claims (20)
- 範囲内に配置される管腔並びに近位及び遠位領域を含むカテーテル本体部と、
前記カテーテル本体部の遠位領域において配置されたイメージングトランスデューサと、
長尺部材であって、前記長尺部材の遠位領域に配置され、前記カテーテル本体部の管腔内において移動可能であるように構成される処理要素を含む、長尺部材とを有する、イメージング及び処理デバイス。 - 前記カテーテル本体部は、ガイドワイヤを受けるための第2の管腔を更に含む、請求項1に記載のイメージング及び処理デバイス。
- 前記長尺部材は、前記カテーテルの管腔内で回転可能である、請求項1に記載のイメージング及び処理デバイス。
- 前記長尺部材は、前記カテーテルの管腔内で摺動可能である、請求項1に記載のイメージング及び処理デバイス。
- 前記イメージングトランスデューサは、光コヒーレンス断層撮影(OCT;optical coherence tomography)又は血管内超音波(IVUS;intravascular ultrasound)のために構成される、請求項1に記載のイメージング及び処理デバイス。
- 前記処理要素は、少なくとも1つのトランスデューサを有する、請求項1に記載のイメージング及び処理デバイス。
- 前記処理要素は、高強度超音波エネルギを供給する、請求項1に記載のイメージング及び処理デバイス。
- 前記イメージングトランスデューサから信号を受信するように構成されるトランスポンダを更に有する、請求項1に記載のイメージング及び処理デバイス。
- 組織を処理するための方法であって、
カテーテル本体部を組織のすぐ近くに配置するステップであって、前記カテーテル本体部は、イメージングトランスデューサ及び長尺部材を有し、前記長尺部材は、処理要素を有するとともに、前記カテーテル本体部の管腔内に配置される、ステップと、
前記イメージングトランスデューサにより前記組織を撮像するステップと、
前記イメージングトランスデューサから画像プロセッサに信号を送信するステップと、
前記イメージングトランスデューサからデータを受信するステップと、
前記データを処理するステップと、
前記組織において関心領域を配置するステップと、
前記関心領域にエネルギを供給するステップと、
より多くのエネルギが前記組織に適用されることを必要とするかどうかを決定するステップとを有する、方法。 - 前記データを処理するステップは、前記組織の画像を表示することを有する、請求項9に記載の方法。
- 前記決定するステップは、少なくとも2つの画像を取得及び比較することを有する、請求項9に記載の方法。
- 前記組織は、腎動脈である、請求項9に記載の方法。
- 前記エネルギは、高強度超音波エネルギである、請求項9に記載の方法。
- 送信するステップ及び受信するステップは、無線で行われる、請求項9に記載の方法。
- 前記長尺部材は、前記カテーテル本体部の管腔内で摺動及び回転され得る、請求項9に記載の方法。
- 組織を処理するためのシステムであって、
カテーテルとコントローラとを有し、
前記カテーテルは、
範囲内に配置される管腔並びに近位及び遠位領域を有するカテーテル本体部と、
前記カテーテル本体部の前記遠位領域に配置されるイメージングトランスデューサと、
長尺部材であって、前記長尺部材の遠位領域に配置され、前記カテーテルの管腔内に摺動可能に配置されるように構成される処理要素を含む、長尺部材とを有し、
前記コントローラは、
前記イメージングトランスデューサが画像データを取得することをもたらし、
前記データを受信し、
前記データを処理し、
前記処理要素からのエネルギを解放する、システム。 - 前記カテーテル本体部は、ガイドワイヤを受けるための第2の管腔を更に含む、請求項16に記載のシステム。
- 前記処理要素は、少なくとも1つのトランスデューサを有する、請求項16に記載のシステム。
- 前記処理要素は、高強度超音波エネルギを供給する、請求項16に記載のシステム。
- 前記イメージングトランスデューサから信号を受信するように構成されるトランスポンダを更に有する、請求項16に記載のシステム。
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