JP2015518384A - 針変位速度に基づかれる測定集積時間を用いるフォトニック針システム - Google Patents
針変位速度に基づかれる測定集積時間を用いるフォトニック針システム Download PDFInfo
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Abstract
Description
Claims (15)
- 体における器具を誘導する誘導システムであって、
前記体の内部の画像を形成するよう構成される医療撮像デバイスと、
器具から組織信号を受信するよう構成される組織タイプ決定デバイスであって、前記器具からの前記組織信号に基づき、組織タイプを示すパラメータのセットを決定するよう構成される、組織タイプ決定デバイスとを有し、
前記組織タイプ決定デバイスが、組織タイプ決定が第1の精度を用いて実行される第1のモード及び組織タイプ決定が前記第1の精度より高い第2の精度を用いて実行される第2のモードという2つのモードにおいて動作可能であり、
前記誘導システムは、前記器具の位置を決定し、位置のシーケンスを格納するよう構成され、
前記誘導システムが、前記体の内部の画像と前記器具の記録された位置で表示される前記組織タイプを示すパラメータのセットとを組み合わせたディスプレイ画像を確立するよう構成され、
前記誘導システムが更に、前記ディスプレイ画像を表示するよう構成される表示デバイスとを有する、誘導システム。 - 前記器具の現在の速度を決定する器具速度アナライザを更に有し、前記器具の現在の速度が、速度閾値を超える場合、前記組織タイプ決定デバイスが第1のモードで作動され、前記器具の現在の速度が速度閾値以下である場合、前記組織タイプ決定デバイスは、前記第2のモードで作動される、請求項1に記載の誘導システム。
- 前記速度閾値が、0.5mm/秒から20mm/秒の範囲にある、請求項2に記載の誘導システム。
- 前記組織タイプ決定デバイスが前記第1のモード又は前記第2のモードにおいて作動するよう指示する組織タイプ決定モード信号を、前記組織タイプ決定デバイスに供給する入力デバイスを更に有する、請求項1に記載の誘導システム。
- 前記医療撮像デバイスが、X線デバイスを有する、請求項1に記載の誘導システム。
- 前記組織タイプ決定デバイスが、光スペクトルを得て、前記組織タイプを示すパラメータのセットを決定するため、前記光スペクトルを処理する光学端末である、請求項1に記載の誘導システム。
- 前記組織タイプ決定デバイスが、前記第1のモード又は前記第2のモードにおいて作動する場合、ユーザに伝えるモードインジケータを更に有する、請求項1に記載の誘導システム。
- 前記誘導システムが、前記組織タイプを示すパラメータのセット及び前記器具の位置のシーケンスに関する信号を受信するプロセッサを有し、前記プロセッサは、前記ディスプレイ画像を確立するよう構成される、請求項1に記載の誘導システム。
- 前記組織タイプの決定デバイスが、光学端末であり、前記誘導システムが、前記光学端末から拡散反射分光学スペクトル及び/又は蛍光分光法スペクトル及び/又はラマン分光学スペクトルを得るよう構成される、請求項1に記載の誘導システム。
- 前記組織タイプを示すパラメータのセットの決定が、多変量統計解析を実行するステップを有する、請求項1に記載の誘導システム。
- 組織タイプと体における器具位置とを含む画像を表示する方法において、
各時間Tiでの前記体の内部の画像のシーケンスを記録するステップと、
前記体の内部の各画像において器具位置を決定するステップと、
時間Ttでの前記器具の先端での組織パラメータと、Ttに近い時間Tiでの前記器具位置に基づき推定された器具位置とを決定するステップであって、
前記器具の先端での組織パラメータの決定が、第1の作動モードにおいて第1の算出精度で実行され、前記器具の先端での組織パラメータの決定が、第2の作動モードにおいて第2の算出精度で実行され、前記第2の算出精度が、前記第1の算出精度より高い、ステップと、
時間Ttでの前記体の内部の現在の画像と、前記器具の先端での組織パラメータの表示との組み合わせである画像をディスプレイユニットに表示するステップとを有する、方法。 - 前記第1の算出精度を用いるとき、前記組織パラメータの決定に関するアルゴリズムが、第1の数の繰り返しを含み、前記第2の算出精度を用いるとき、前記組織パラメータの決定に関するアルゴリズムが、第2の数の繰り返しを含み、前記第1の数の繰り返しは、前記第2の数の繰り返しより少ない、請求項11に記載の方法。
- 前記組織タイプを示すパラメータのセットの決定が、多変量統計解析を実行するステップを有する、請求項11に記載の方法。
- 体において器具を誘導するシステムに使用する器具であって、
前記器具が、光学プローブ有し、
前記誘導システムは、
前記体の内部の画像を形成するよう構成される医療撮像デバイスと、
前記器具から組織信号を受信するよう構成される組織タイプ決定デバイスであって、前記器具からの前記組織信号に基づき、組織タイプを示すパラメータのセットを決定するよう構成される、組織タイプ決定デバイスとを有し、
前記組織タイプ決定デバイスが、組織タイプ決定が第1の精度を用いて実行される第1のモード及び組織タイプ決定が前記第1の精度より高い第2の精度を用いて実行される第2のモードの2つのモードにおいて動作可能であり、
前記誘導システムが、前記器具の位置を決定し、位置のシーケンスを格納するよう構成され、
前記誘導システムは、前記体の内部の画像と、前記器具の前記記録された位置で表示される前記組織タイプを示すパラメータのセットとを組み合わせたディスプレイ画像を確立するよう構成されており、
前記誘導システムが更に、前記ディスプレイ画像を表示するよう構成される、ディスプレイデバイスを有する、器具。 - 組織タイプと体における器具位置とを含む画像を表示するための、プロセッサ上で実行されるソフトウェア実現による方法であって、
各時間Tiでの前記体の内部の画像のシーケンスを記録するステップと、
前記体の内部の各画像において器具位置を決定するステップと、
時間Ttでの前記器具の先端での組織パラメータと、Ttに近い時間Tiでの前記器具位置に基づき推定された器具位置とを決定するステップであって、
前記器具の先端での組織パラメータの決定が、第1の作動モードにおいて第1の算出精度で実行され、前記器具の先端での組織パラメータの決定が、第2の作動モードにおいて第2の算出精度で実行され、前記第2の算出精度が、前記第1の算出精度より高い、ステップと、
時間Ttでの前記体の内部の現在の画像と、前記器具の先端での組織パラメータの表示との組み合わせである画像をディスプレイユニットに表示するステップとを有する、方法。
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