JP2018507047A - 光吸収を使用する脈管のサイズを決定するためのシステム - Google Patents
光吸収を使用する脈管のサイズを決定するためのシステム Download PDFInfo
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Abstract
Description
本発明は、血管などの脈管のサイズを決定するためのシステム及び方法、特に、血管などの脈管のサイズを決定するために光吸収を使用するシステム及び方法に関する。
本発明の一態様によれば、外科用器具の作業端部に近接する領域内の脈管のサイズを決定するために使用される外科用システムは、外科用器具の作業端部に配置される少なくとも1つの発光体と、少なくとも1つの発光体の反対側の外科用器具の作業端部に配置される少なくとも1つの光センサとを備え、当該少なくとも1つの光センサは、第1脈動成分と第2非脈動成分とを含む信号を生成するように構成される。システムはまた、少なくとも1つの光センサに連結された制御装置を備え、当該制御装置は、第1脈動成分を第2非脈動成分から分離するためのスプリッタと、第1脈動成分に基づいて外科用器具の作業端部に近接する領域内の脈管のサイズを定量化するための分析器とを備える。
本発明の一実施形態に係る外科用システムは、少なくとも1つの発光体と少なくとも1つの光センサと制御装置とを備える。また、システムは、外科用器具を同様に備えることもできる。
Claims (20)
- 外科用器具の作業端部に近接する領域内の脈管のサイズを決定するために使用される外科用システムであって、
前記外科用器具の前記作業端部に配置される少なくとも1つの発光体と、
前記少なくとも1つの発光体の反対側の前記外科用器具の作業端部に配置される少なくとも1つの光センサであって、第1脈動成分と第2非脈動成分とを含む信号を生成するように構成される少なくとも1つの光センサと、
前記少なくとも1つの光センサに連結された制御装置であって、前記第1脈動成分を前記第2非脈動成分から分離するためのスプリッタと、前記第1脈動成分に基づいて前記外科用器具の作業端部に近接する領域内の脈管のサイズを定量化するための分析器とを備える制御装置と
を備える外科用システム。 - 前記分析器が前記少なくとも1つの光センサからの前記信号の前記第1成分の振幅に従って脈管のサイズを定量化する、請求項1に記載の外科用システム。
- 前記分析器が前記第2成分の振幅に対する前記第1成分の振幅の比に従って脈管のサイズを定量化する、請求項2に記載の外科用システム。
- 前記分析器が前記第1成分及び第2成分の振幅比と振幅及び脈管サイズのデータベースとを比較する、請求項3に記載の外科用システム。
- 前記第1脈動成分が交流信号成分を含み、前記第2非脈動成分が直流信号成分を含む、請求項1〜4のいずれか一項に記載の外科用システム。
- 前記制御装置はプロセッサとメモリとを備え、前記スプリッタは、前記第1脈動成分を前記第2非脈動成分から分離するようにプログラムされた前記プロセッサを備え、前記分析器は、前記第1脈動成分に基づいて前記外科用器具の作業端部に近接する領域内の脈管のサイズを定量化するようにプログラムされた前記プロセッサを備える、請求項1に記載の外科用システム。
- 前記少なくとも1つの発光体は、少なくとも3つの異なる波長の光を放射するように構成され、前記少なくとも1つの光センサは、前記少なくとも3つの異なる波長を検出するように構成される、請求項1〜6のいずれか一項に記載の外科用システム。
- 前記少なくとも1つの光センサが可視領域、近赤外線領域及び赤外線領域における光を検出する、請求項7に記載の外科用システム。
- 前記少なくとも1つの光センサは、660nm、810nm及び940nmで光を検出するように構成される、請求項8に記載の外科用システム。
- 作業端部を有する外科用器具を更に備える、請求項1〜9のいずれか一項に記載の外科用システム。
- 前記外科用器具は、第1及び第2の対向するジョー部構成要素を備え、前記少なくとも1つの発光体は前記第1ジョー部構成要素上に配置され、前記少なくとも1つの光センサは対向する前記第2ジョー部構成要素上に配置される、請求項10に記載の外科用システム。
- 前記外科用器具が把持器又は熱結紮装置である、請求項10に記載の外科用システム。
- 外科用器具の作業端部に近接する領域内の脈管のサイズを決定するための方法であって、
前記外科用器具の作業端部で光を放射し、
前記外科用器具の作業端部で光を感知し、
前記外科用器具の作業端部で感知される光に基づいて第1脈動成分及び第2非脈動成分を有する信号を生成し、
前記信号の前記第1脈動成分に基づいて前記外科用器具の作業端部に近接する領域内の脈管のサイズを決定すること
を含む、方法。 - 前記脈管のサイズを決定することが、前記信号の前記第1成分の振幅に従って前記外科用器具の作業端部に近接する領域内の脈管のサイズを決定することを含む、請求項13に記載の方法。
- 前記脈管のサイズを決定することが、前記第2成分の振幅に対する前記第1成分の振幅の比に従って前記外科用器具の作業端部に近接する領域内の脈管のサイズを決定することを含む、請求項14に記載の方法。
- 前記脈管のサイズを決定することが、前記第1成分及び第2成分の振幅比と振幅及び脈管サイズのデータベースとを比較することを含む、請求項15に記載の方法。
- 前記第1脈動成分を前記第2非脈動成分から分離することを更に含む、請求項13に記載の方法。
- 光を放射することが少なくとも3つの異なる波長の光を放射することを含み、光を検出することが少なくとも3つの異なる波長の光を感知することを含む、請求項13〜17のいずれか一項に記載の方法。
- 光を感知することが可視領域、近赤外線領域及び赤外線領域における光を感知することを含む、請求項18に記載の方法。
- 前記光を感知することが660nm、810nm及び940nmで光を感知することを含む、請求項19に記載の方法。
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US201562118429P | 2015-02-19 | 2015-02-19 | |
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PCT/US2016/018798 WO2016134327A1 (en) | 2015-02-19 | 2016-02-19 | System for determining vessel size using light absorption |
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JP2021534870A (ja) * | 2018-08-20 | 2021-12-16 | ブライトシード・エルエルシーBriteseed, Llc | 組織又はアーチファクトを検出し又は識別するために使用される刺激を与えるシステム及びその方法 |
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