JP2022510696A - 光音響心電図同期キロヘルツ可視化 - Google Patents
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Abstract
Description
本出願は、2018年12月4日に出願された米国特許仮出願第62/775,113号に関連し、また米国特許仮出願第62/775,113号の利益を主張し、参照によりその全体として本明細書に組み込まれる。
開示される技術は、超音波イメージングシステムに関し、特に、模擬された高フレームレート多重スペクトル光音響イメージングに関する。
特定の実施の形態では、画像フレームスロットの数は、ステップ510においてユーザにより指定されたフレームのターゲット数に等しい。ステップ560では、光音響イメージングシステムは、指定された波長のための全ての画像フレームスロットが満たされたか否かを特定する。NOの場合、そのとき、プロセスはステップ520に戻り、さらなる画像フレームを取り込むことを継続する。YESの場合、そのとき、システムは、ステップ570において、全ての指定された波長が満たされてしまったかどうかを判定する。NOの場合、そのときは、ステップ575において、光音響撮像システムは、別の指定された波長を選択し、また該新しい波長においてステップ520からプロセスを繰り返す。YESの場合、そのときは、ステップ580において、システムは、少なくとも1つの心周期を通して標的組織を描写する複合画像を生成し、指定された各波長において取り込まれた画像を示す。
Claims (6)
- 光音響イメージングシステムであって、
前記光音響イメージングシステムは、以下のように構成された画像プロセッサを含み:
ユーザ入力を受けること:該ユーザ入力は、
1又は複数のイメージング波長、及び
標的組織領域の撮像されるべき画像フレームの目標数
を特定し;
指定された前記1又は複数のイメージング波長の各々毎に:
指定された前記イメージング波長において撮影されるべき画像フレームを取り込み;
前記画像フレームを取り込みながら、前記標的組織領域に関連付けられた心電図(ECG)データ及び呼吸データを受け;
前記呼吸データに基づいて、前記画像フレームを破棄するかどうかを特定し;
前記画像フレームが廃棄されるべきでないということを特定することに応答して、前記ECGデータに基づいて、前記画像フレームを複数の画像フレームスロットのうちの1つに割り当て:
前記複数の画像フレームスロットは、前記画像フレームの前記目標数に等しく、及び
各画像フレームスロットは、前記ECGデータから特定された心周期上の異なる点に対応しており;
前記複数の画像フレームスロット内の各画像フレームスロットに少なくとも1つの画像フレームが割り当てられてしまうまで、追加の画像フレームを取り込むことを続け;
少なくとも前記目標数の画像フレームが指定された前記イメージング波長の各々において取り込まれたことを特定することに応答して、少なくとも1心周期を通して前記標的組織を描く複合画像フレームを生成するために、前記1又は複数のイメージング波長からの前記画像フレームを組み合わせる、
光音響イメージングシステム。 - 前記1又は複数のイメージング波長の各々が、特定の光学的吸収分子を対象とする、
請求項1に記載のシステム。 - 前記呼吸データは、前記標的組織を含む前記被験体の身体にわたる前記抵抗率の測定値を含む、
請求項1に記載のシステム。 - 前記呼吸データに基づいて前記画像フレームを廃棄するかどうかを特定することは、前記標的組織が位置において移動したことを特定すること、及び前記画像フレームを廃棄すること、を含む、
請求項1に記載のシステム。 - 2又はより多くの画像フレームが、指定されたイメージング波長のための単一の画像フレームスロットに割り当てられることを特定すること、及び
前記単一の画像フレームスロットに割り当てられた単一の複合画像フレームを生成するために、前記2又はより多くの画像フレームを結合すること、
をさらに含む、請求項1に記載のシステム。 - 複合画像フレームを生成するために前記1又は複数のイメージング波長からの前記画像フレームを結合することは、ユーザ入力によって選択されたプロセスを介して行われる、
請求項1に記載のシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US201862775113P | 2018-12-04 | 2018-12-04 | |
US62/775,113 | 2018-12-04 | ||
PCT/US2019/063565 WO2020117588A1 (en) | 2018-12-04 | 2019-11-27 | Photoacoustic electrocardiogram-gated kilohertz visualization |
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JP2022510696A true JP2022510696A (ja) | 2022-01-27 |
JPWO2020117588A5 JPWO2020117588A5 (ja) | 2022-12-06 |
JP7321266B2 JP7321266B2 (ja) | 2023-08-04 |
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US (1) | US11445913B2 (ja) |
EP (1) | EP3890606B1 (ja) |
JP (1) | JP7321266B2 (ja) |
CA (1) | CA3119330A1 (ja) |
WO (1) | WO2020117588A1 (ja) |
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US20180368686A1 (en) | 2015-12-14 | 2018-12-27 | The Governors Of The University Of Alberta | Apparatus and method for generating a fused scan image of a patient |
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2019
- 2019-11-27 EP EP19828378.0A patent/EP3890606B1/en active Active
- 2019-11-27 WO PCT/US2019/063565 patent/WO2020117588A1/en unknown
- 2019-11-27 CA CA3119330A patent/CA3119330A1/en active Pending
- 2019-11-27 US US16/698,520 patent/US11445913B2/en active Active
- 2019-11-27 JP JP2021532095A patent/JP7321266B2/ja active Active
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JPS63255045A (ja) * | 1987-09-28 | 1988-10-21 | 株式会社東芝 | 超音波診断装置 |
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EP3890606B1 (en) | 2023-07-26 |
US11445913B2 (en) | 2022-09-20 |
US20200170511A1 (en) | 2020-06-04 |
CA3119330A1 (en) | 2020-06-11 |
EP3890606A1 (en) | 2021-10-13 |
WO2020117588A1 (en) | 2020-06-11 |
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