JP7288906B2 - 脈管構造をイメージングする装置および方法 - Google Patents
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Description
本出願は、2017年8月18日に出願された米国仮特許出願第62/547,317号の優先権を主張し、その全体が参照により本明細書に組み込まれる。
本開示は、介入医療(interventional medicine)に関し、特に、脈管構造(vasculature)のイメージングに関する。
Claims (12)
- イメージング装置であり、
ハウジングと、
表示デバイスと、
近位端および、脈管構造に挿入するための遠位端を有するイメージングプローブであって、
前記イメージングプローブの前記遠位端から血液を通して前記脈管構造に向けて赤外光を放出し、
前記脈管構造から前記血液を通して反射された前記赤外光の少なくとも一部を含む反射光を集め、
前記反射光を前記イメージングプローブの前記近位端に伝送する、イメージングプローブと、
前記ハウジングに配置される赤外光源であって、
前記イメージングプローブの前記近位端に光学的に結合されて、前記脈管構造に向けて放出するための前記赤外光を前記イメージングプローブに提供し、構造化光イメージングプロセスでは、前記脈管構造の3次元表現を生成し前記表示デバイスに表示するために、グリッドまたは形状を有するパターンを投影するパターン生成光源を含む、赤外光源と、
前記ハウジングに配置される赤外光検出器であって、
前記イメージングプローブの前記近位端に光学的に結合されて、前記イメージングプローブからの前記反射光を受け入れ、前記反射光からイメージング信号を生成する、赤外光検出器と、
前記赤外光源に結合され、かつ前記赤外光検出器に結合されて、前記イメージング信号から前記脈管構造の画像を生成するコントローラであって、
前記構造化光イメージングプロセスにしたがって、前記脈管構造の3次元表現を含む前記画像を生成するために前記赤外光源および前記赤外光検出器を制御する、コントローラと、
を備え、
前記イメージングプローブは、
前記近位端から前記遠位端まで延びる照明用光ファイバ束であって、前記イメージングプローブの前記遠位端から前記赤外光を放出する、照明用光ファイバ束を有し、前記照明用光ファイバ束は前記脈管構造上に投影するためのパターンを含む前記赤外光を放出するコヒーレント照明用光ファイバを含む、照明用光ファイバ束と、
前記近位端から前記遠位端まで延びるイメージング光ファイバ束であって、前記反射光を集め、前記反射光を前記イメージングプローブの前記近位端に伝送する、イメージング光ファイバ束と、
前記イメージング光ファイバ束によって集められる前記反射光を前記遠位端に収集する光学系であって、レンズを含む光学系と、を有する、
イメージング装置。 - 前記イメージングプローブの前記遠位端において、前記反射光から散乱光子を除去するために前記反射光をフィルタリングする角度ゲートフィルタをさらに備え、
前記コントローラはさらに、弾道光子イメージングプロセスにしたがって前記画像を生成するために前記赤外光源および前記赤外光検出器を制御する、
請求項1に記載のイメージング装置。 - 前記赤外光検出器は、シャッタを有する赤外光カメラを含み、
前記コントローラはさらに、ゲート化イメージングプロセスにしたがって前記画像を生成するために前記赤外光源および前記赤外光カメラを制御する、
請求項1に記載のイメージング装置。 - 前記反射光をフィルタリングして前記反射光から偏光を除去する偏光フィルタをさらに含み、
前記コントローラはさらに、偏光イメージングプロセスにしたがって前記画像を生成するために前記赤外光源および前記赤外光検出器を制御する、
請求項1に記載のイメージング装置。 - 前記イメージングプローブは、前記脈管構造を通して前記イメージングプローブをナビゲートするためのガイドワイヤシースを含む、請求項1に記載のイメージング装置。
- 前記ガイドワイヤシースは、前記イメージングプローブの遠位端付近に変形可能なコイルシース部分、前記イメージングプローブの近位端付近にハイポチューブ部分、および、前記変形可能なコイルシース部分と前記ハイポチューブ部分との間に成形不可能なコイルシース部分、を含む、請求項5に記載のイメージング装置。
- 前記イメージングプローブは、押し込み可能かつ追跡可能なシースを含む、請求項1に記載のイメージング装置。
- 前記イメージングプローブは長手方向軸を画定し、前記イメージング光ファイバ束は前記長手方向軸に沿って延び、前記照明用光ファイバ束は前記イメージング光ファイバ束の周りにリング状に配置される、請求項1に記載のイメージング装置。
- 前記イメージングプローブは長手方向軸を画定し、前記照明用光ファイバ束は前記長手方向軸に沿って延び、前記イメージング光ファイバ束は前記照明用光ファイバ束の周りにリング状に配置される、請求項8に記載のイメージング装置。
- 前記イメージングプローブは走査ファイバ内視鏡を含む、請求項9に記載のイメージング装置。
- 前記イメージングプローブの前記近位端を前記赤外光源および前記赤外光検出器に可逆的かつ回転可能に結合する結合機構をさらに備える、請求項1に記載のイメージング装置。
- 前記赤外光源は、約1050nm、約1300nm、約1550nm、および約1650nmからなるリストから選択される1つ以上の波長を含む前記赤外光を提供する、請求項1に記載のイメージング装置。
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PCT/US2018/000268 WO2019035987A1 (en) | 2017-08-18 | 2018-08-17 | DEVICE AND METHOD FOR VASCULAR SYSTEM IMAGING |
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WO2016168605A1 (en) | 2015-04-16 | 2016-10-20 | Gentuity, Llc | Micro-optic probes for neurology |
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JP2020531219A (ja) | 2020-11-05 |
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