JP2019195682A - 組織酸素化のマッピングのための装置、システム、および方法 - Google Patents
組織酸素化のマッピングのための装置、システム、および方法 Download PDFInfo
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Abstract
Description
本願は、2014年4月5日に出願された米国仮特許出願第61/975,742号および2014年10月7日に出願された米国仮特許出願第62/061,079号に対する優先権を主張するものであり、該米国仮特許出願の各々は、その全体が参照により本明細書中に援用される。
本発明は、国立衛生研究所支援CA153571のもとでの政府支援により全体的にまたは部分的になされたものである。政府は、本発明に一定の権利を有する。
本発明は、例えば、以下を提供する。
(項目1)
生理学的状態またはその代用物を解像し、マップする、撮像システムであって、前記撮像システムは、2つまたはそれを上回る感知モダリティから得られた情報を利用して、前記生理学的状態またはその代用物を解像し、前記感知モダリティは、前記生理学的状態または測定の絶対測定の改良された正確度を提供するために併用される、撮像システム。
(項目2)
1つの感知モダリティは、媒体と関連付けられた燐光および/または蛍光寿命を査定し、別の感知モダリティは、前記媒体またはその近傍の温度を査定する、項目1に記載の撮像システム。
(項目3)
前記媒体は、近傍酸素濃度に関する燐光寿命を伴うプローブを備え、前記温度測定は、酸素化に対する前記プローブの寿命の温度依存較正係数における変動を補償するために使用される、項目2に記載の撮像システム。
(項目4)
前記システムは、
外部から照明された後の燐光および/または蛍光媒体の減衰寿命を検出するために構成される、光学センサと、
前記光学センサの視野内の1つまたはそれを上回る点において前記温度を検出するための温度センサと、
温度測定を使用して、前記媒体の温度依存寿命変動を補償するように構成される、プロセッサと、
を備える、項目1に記載の撮像システム。
(項目5)
1つのモダリティは、燐光寿命撮像のために構成され、前記システムは、燐光寿命をマップするための光学検出器と、温度を検出するための光学検出器との両方を備え、前記システムは、前記温度および寿命画像を位置合わせし、各マップされた点における燐光寿命および温度の両方を利用して、対応する酸素化を判定するように構成される、項目2に記載の撮像システム。
(項目6)
酸素化を感知し、注入可能プローブの燐光寿命に基づいて、前記酸素化のマップを生成するように構成される、内視鏡撮像システム。
(項目7)
前記酸素化のマップに対応する領域内の温度を検出するためのセンサをさらに備え、前記撮像システムは、熱測定に基づいて、温度依存酸素化測定を補償するように構成される、項目6に記載の撮像システム。
(項目8)
二次撮像スコープが、酸素化を感知するために構成され、前記二次撮像スコープは、一次スコープから独立して動作し、かつ前記一次スコープと連動して動作する、項目6に記載の内視鏡撮像システム。
(項目9)
前記一次スコープは、フレキシブル内視鏡であり、前記二次スコープは、前記内視鏡の器具ポートを通して通過するように構成される、項目8に記載の内視鏡撮像システム。
(項目10)
前記システムは、ビデオ画像および前記酸素化マップを位置合わせするように構成され、さらに、前記システムは、前記ビデオ画像を前記酸素化マップのオーバーレイとともに表示するように構成される、項目8に記載の撮像システム。
(項目11)
前記システムは、酸素化を感知するために構成される前記二次撮像スコープの除去または無効化後、特徴を追跡し、取得された酸素マップの整合を維持する、項目10に記載の撮像システム。
(項目12)
前記システムは、組織内の燐光応答を選択的に励起するように構成され、前記選択的励起は、組織の層または深度と関連付けられた酸素化を一意に識別するための手段を提供する、項目6に記載の撮像システム。
(項目13)
延在アームの先端に取り付けられる光源を備え、前記アームは、組織の領域または層を選択的に照明可能である、項目12に記載の撮像システム。
(項目14)
酸素化マップまたはその対応する前駆体寿命マップを熱画像に位置合わせするステップと、前記位置合わせされた情報を利用し、酸素化測定における温度依存変動を補償するステップとを含む、方法。
(項目15)
複数のカメラからの画像が、近赤外線照明を使用して取得され、前記近赤外線照明は、可視光内視鏡検査カメラを用いて検出可能であり、カメラが、燐光または蛍光応答を検出するように構成され、前記複数のカメラからの画像間の相互情報が、位置合わせのための使用される、項目14に記載の方法。
(項目16)
腸壁の組織酸素化をマップするステップをさらに含む、項目14に記載の方法。
(項目17)
病変と健康な腸壁組織を区別するステップをさらに含む、項目16に記載の方法。
(項目18)
燐光寿命または酸素化の静的画像のパターンマッチングに基づいて、ポリープを区別するステップをさらに含む、項目17に記載の方法。
(項目19)
時系列の画像の動的変化に基づいて、ポリープを区別するステップをさらに含む、項目18に記載の方法。
(項目20)
前記組織酸素化のマップは、前記病変の特定を誘導し、前記病変は、内視鏡ビデオ画像上にオーバーレイされた識別子を用いて識別される、項目18に記載の方法。
Claims (15)
- 酸素化を感知し、注入可能プローブの燐光寿命に基づいて、前記酸素化のマップを生成するように構成される、内視鏡撮像システム。
- 前記酸素化のマップに対応する領域内の温度を検出するためのセンサをさらに備え、前記撮像システムは、熱測定に基づいて、温度依存酸素化測定を補償するように構成される、請求項1に記載の内視鏡撮像システム。
- 二次撮像スコープが、酸素化を感知するために構成され、前記二次撮像スコープは、一次スコープから独立して動作し、および、前記一次スコープと連動して動作する、請求項1に記載の内視鏡撮像システム。
- 前記一次スコープは、フレキシブル内視鏡であり、前記二次スコープは、前記内視鏡の器具ポートを通して通過するように構成される、請求項3に記載の内視鏡撮像システム。
- 前記システムは、ビデオ画像および前記酸素化マップを位置合わせするように構成され、さらに、前記システムは、前記ビデオ画像を前記酸素化マップのオーバーレイとともに表示するように構成される、請求項3に記載の内視鏡撮像システム。
- 前記システムは、酸素化を感知するために構成される前記二次撮像スコープの除去または無効化後、特徴を追跡し、取得された酸素マップの整合を維持する、請求項5に記載の内視鏡撮像システム。
- 前記システムは、組織内の燐光応答を選択的に励起するように構成され、前記選択的励起は、組織の層または深度と関連付けられた酸素化を一意に識別するための手段を提供する、請求項1に記載の内視鏡撮像システム。
- 延在アームの先端に取り付けられる光源を備え、前記アームは、組織の領域または層を選択的に照明可能である、請求項7に記載の内視鏡撮像システム。
- プロセッサを備える撮像システムであって、前記プロセッサは、
酸素化マップまたはその対応する前駆体寿命マップを熱画像に位置合わせすることと、
前記位置合わせされた情報を利用し、酸素化測定における温度依存変動を補償することと
を行うように構成される、撮像システム。 - 前記プロセッサは、近赤外線照明を使用して複数のカメラから画像を取得することを行うように構成され、
前記撮像システムは、
前記近赤外線照明を検出するように構成される可視光内視鏡検査カメラと、
燐光または蛍光応答を検出するように構成されるカメラと
をさらに備え、
前記複数のカメラからの画像間の相互情報が、位置合わせのための使用される、請求項9に記載の撮像システム。 - 前記プロセッサは、腸壁の組織酸素化をマップすることを行うように構成される、請求項9に記載の撮像システム。
- 前記プロセッサは、病変と健康な腸壁組織を区別することを行うように構成される、請求項11に記載の撮像システム。
- 前記プロセッサは、燐光寿命または酸素化の静的画像のパターンマッチングに基づいて、ポリープを区別することを行うように構成される、請求項12に記載の撮像システム。
- 前記プロセッサは、時系列の画像の動的変化に基づいて、ポリープを区別することを行うように構成される、請求項13に記載の撮像システム。
- 前記組織酸素化のマップは、前記病変の特定を誘導し、前記病変は、内視鏡ビデオ画像上にオーバーレイされた識別子を用いて識別される、請求項13に記載の撮像システム。
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CN107072505B (zh) | 2021-03-12 |
EP3128892A1 (en) | 2017-02-15 |
WO2015154094A1 (en) | 2015-10-08 |
CN112932389A (zh) | 2021-06-11 |
JP2022120003A (ja) | 2022-08-17 |
JP2020142152A (ja) | 2020-09-10 |
EP3128892A4 (en) | 2018-05-09 |
JP6905274B2 (ja) | 2021-07-21 |
US20220287603A1 (en) | 2022-09-15 |
CN107072505A (zh) | 2017-08-18 |
JP2024150553A (ja) | 2024-10-23 |
US20150282749A1 (en) | 2015-10-08 |
JP2017513664A (ja) | 2017-06-01 |
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