JP7035060B2 - 結石識別方法及びシステム - Google Patents
結石識別方法及びシステム Download PDFInfo
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Description
Claims (15)
- 結石識別システムであって、
処理ユニットと、
スコープと、を有し、
前記スコープは、遠位端部と、前記スコープの遠位端部に設けられた撮像要素を含み、前記撮像要素は、体腔内の結石物体についての画像データを前記処理ユニットに送信するように構成され、
前記処理ユニットは、結石物体及び体腔の視覚表現を画像データから発生させ、前記視覚表現のための尺度をユーザ入力から確立し、前記尺度を用いて結石物体のサイズを前記視覚表現から決定し、結石物体のサイズを予め決められた最大サイズと比較して、除去ステータスを決定し、前記視覚表現を、前記除去ステータスに応答するインジケータを含むように補強するように構成される、結石識別システム。 - 前記スコープの遠位端部は、結石物体に対する第1の位置及び結石物体に対する第2の位置にユーザによって位置決めされるように構成され、
前記撮像要素は、ユーザによって結石物体に隣接して位置決めされるように構成され、前記第2の位置で画像データを取込むように構成される、請求項1に記載の結石識別システム。 - 前記視覚表現を発生させる前記処理ユニットは、画像データの少なくとも一部分をインタフェースデバイスに送信するように構成される、請求項2に記載の結石識別システム。
- 前記インタフェースデバイスは、タッチ画面ディスプレイである、請求項3に記載の結石識別システム。
- 前記尺度を確立する前記処理ユニットは、結石物体に隣接して位置決めされた基準要素上のマーカを結石物体に対して比較して、基準測定値を決定し、前記基準測定値に基づいて前記尺度を定めるように構成される、請求項1~4のいずれか1項に記載の結石識別システム。
- 前記基準要素は、前記スコープの管腔に移動可能に配置された光ファイバであり、
前記マーカは、前記光ファイバの遠位部分に配置された1又は2以上のチェックマークを含み、
前記光ファイバは、前記光ファイバの遠位部分が体腔内に配置されるまで前記管腔内で遠位にユーザによって移動させられるように構成され、
前記1又は2以上のチェックマークは、結石物体に隣接して位置決めされるように構成される、請求項5に記載の結石識別システム。 - 前記インタフェースデバイスは、結石物体の前記視覚表現上に第1の基準点及び第2の基準点を確立するように構成され、
前記処理ユニットは、前記第1の基準点と前記第2の基準点の間の基準測定値を計算し、前記尺度の結石物体のサイズを前記基準測定値から決定するように構成される、請求項3~6のいずれか1項に記載の結石識別システム。 - 前記インタフェースデバイスは、タッチ画面ディスプレイであり、前記タッチ画面ディスプレイをタッチすることによって前記第1の基準点及び前記第2の基準点を確立するように構成される、請求項7に記載の結石識別システム。
- 前記処理ユニットは、結石物体のサイズが前記予め決められた最大サイズよりも大きいとき、第1の除去ステータスを決定することによって、及び、結石物体のサイズが前記予め決められた最大サイズよりも小さいとき、第2の除去ステータスを決定することによって、結石物体のサイズを比較するように構成される、請求項1~8のいずれか1項に記載の結石識別システム。
- 前記処理ユニットは、前記第1の除去ステータスに基づいて第1のインジケータを前記視覚表現の上に重ねることによって、又は、前記第2の除去ステータスに基づいて第2のインジケータを前記視覚表現の上に重ねることによって、前記視覚表現を補強するように構成される、請求項9に記載の結石識別システム。
- 結石識別システムは、更に、画像分析器を有し、
前記画像分析器は、前記画像データから前記画像データ内に含まれる第1の画像フレーム内の結石物体の基準測定値を取得するように構成され、
前記処理ユニットは、前記基準測定値から前記第1の画像フレーム内の結石物体の2次元サイズを決定するように構成される、請求項1~10のいずれか1項に記載の結石識別システム。 - 前記基準測定値は、複数の基準測定値を含み、
前記処理ユニットは、前記複数の基準測定値から撮像平面内の結石物体の断面積を決定するように構成される、請求項11に記載の結石識別システム。 - 前記撮像要素は、結石物体の奥行きを決定するために、ユーザによって結石物体に対して移動させられるように構成され、
前記処理ユニットは、前記断面積及び前記奥行きから結石物体の体積を決定するように構成される、請求項12に記載の結石識別システム。 - 前記スコープの遠位端部は、波エネルギ変換器を含み、
前記処理ユニットは、波エネルギを前記波エネルギ変換器から結石物体に向かって差向けるように構成され、
前記波エネルギ変換器は、前記波エネルギの反射部分を受信するように構成され、
前記処理ユニットは、前記波エネルギの反射部分から結石物体の奥行きを定め、前記断面積及び前記奥行きから結石物体の体積を決定するように構成される、請求項12に記載の結石識別システム。 - 前記処理ユニットは、結石物体の前記断面積、結石物体の前記体積、結石物体の表面積、又は結石物体の密度のうちの少なくとも1つに応答するインジケータを含むように、前記視覚表現を補強するように構成される、請求項14に記載の結石識別システム。
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