JP2022516528A - 組織又はアーチファクトを検出又は区別するために使用されるシステム及び方法 - Google Patents
組織又はアーチファクトを検出又は区別するために使用されるシステム及び方法 Download PDFInfo
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- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
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- A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
- A61B5/1459—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters invasive, e.g. introduced into the body by a catheter
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- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
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Abstract
Description
Claims (8)
- 外科用器具を含む外科用システムであって、
前記外科用器具の作業端部に配置された少なくとも1つの発光素子と、
前記外科用器具の作業端部に配置された光センサのアレイであって、前記光センサのアレイ内の個々の光センサが、非脈動成分を含む信号を生成するように適合されている、光センサのアレイと、
前記光センサのアレイに結合されたコントローラと
を備え、
前記コントローラは、アナライザを備え、
前記アナライザは、
前記光センサのアレイ内の個々の前記光センサのそれぞれの信号の前記非脈動成分の曲線を決定し、
前記曲線を平滑化して平滑化曲線を生成し、
前記平滑化曲線の導関数を計算し、
前記平滑化曲線を反転して逆平滑化曲線を生成し、
前記逆平滑化曲線の導関数を計算し、
前記逆平滑化曲線の前記導関数と前記平滑化曲線の前記導関数の差を取り、結果曲線を生成し、
前記結果曲線を平滑化して平滑化結果曲線を生成し、
前記平滑化結果曲線のゼロ交差を推定し、
存在する場合、各ゼロ交差に隣接する点に符号関数を適用して結果を生成し、
存在する場合、各ゼロ交差に隣接する点の前記結果に基づいて、存在する場合、関心領域を識別する
ように構成されている、
外科用システム。 - 前記アナライザは、前記平滑化曲線の3点微分を計算して、前記平滑化曲線の前記導関数を計算するように構成されている、
請求項1に記載の外科用システム。 - 前記アナライザは、前記逆平滑化曲線の3点微分を計算して、前記逆平滑化曲線の前記導関数を計算するように構成されている、
請求項1に記載の外科用システム。 - 前記アナライザは、前記平滑化結果曲線のゼロ交差を推定する前に、前記平滑化結果曲線を補間するように構成されている、
請求項1に記載の外科用システム。 - 前記アナライザは、各ゼロ交差に隣接する点の前記結果に基づいて複数の関心領域を識別し、前記複数の関心領域から領域を識別し、前記領域に関連するアーチファクトを特徴付けるように構成されている、
請求項1に記載の外科用システム。 - 前記コントローラは、プロセッサ及びメモリを備え、
前記アナライザは、前記光センサのアレイ内の個々の前記光センサのそれぞれの信号の前記非脈動成分の曲線を決定し、前記曲線を平滑化して平滑化曲線を生成し、前記平滑化曲線の導関数を計算し、前記平滑化曲線を反転して逆平滑化曲線を生成し、前記逆平滑化曲線の導関数を計算し、前記逆平滑化曲線の前記導関数と前記平滑化曲線の前記導関数の差を取り、結果曲線を生成し、前記結果曲線を平滑化して平滑化結果曲線を生成し、前記平滑化結果曲線のゼロ交差を推定し、存在する場合、各ゼロ交差に隣接する点に符号関数を適用して結果を生成し、存在する場合、各ゼロ交差に隣接する点の前記結果に基づいて、存在する場合、関心領域を識別する
ようにプログラムされた前記プロセッサを備えている、
請求項1に記載の外科用システム。 - 前記アナライザは、前記識別された関心領域に基づいてアーチファクトを特徴付けるように構成されている、
請求項1に記載の外科用システム。 - 前記アナライザは、前記識別された関心領域に基づいて脈管の直径又は有効直径を決定するように構成されている、
請求項7に記載の外科用システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US201862786532P | 2018-12-30 | 2018-12-30 | |
US62/786,532 | 2018-12-30 | ||
PCT/US2019/068841 WO2020142394A1 (en) | 2018-12-30 | 2019-12-27 | A system and method used to detect or differentiate tissue or an artifact |
Publications (1)
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JP2022516528A true JP2022516528A (ja) | 2022-02-28 |
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JP2021538310A Pending JP2022516528A (ja) | 2018-12-30 | 2019-12-27 | 組織又はアーチファクトを検出又は区別するために使用されるシステム及び方法 |
Country Status (4)
Country | Link |
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US (1) | US20220287628A1 (ja) |
EP (1) | EP3902471A1 (ja) |
JP (1) | JP2022516528A (ja) |
WO (1) | WO2020142394A1 (ja) |
Families Citing this family (4)
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US11399898B2 (en) | 2012-03-06 | 2022-08-02 | Briteseed, Llc | User interface for a system used to determine tissue or artifact characteristics |
WO2018044722A1 (en) | 2016-08-30 | 2018-03-08 | Briteseed Llc | System and method for determining vessel size with angular distortion compensation |
WO2019050928A1 (en) | 2017-09-05 | 2019-03-14 | Briteseed, Llc | SYSTEM AND METHOD USED TO DETERMINE TISSUE AND / OR ARTIFACT CHARACTERISTICS |
JP7313353B2 (ja) | 2017-12-22 | 2023-07-24 | ブライトシード・エルエルシー | 組織又はアーチファクト特性を決定するために使用される小型システム |
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WO2013134411A1 (en) | 2012-03-06 | 2013-09-12 | Briteseed, Llc | Surgical tool with integrated sensor |
US10251600B2 (en) | 2014-03-25 | 2019-04-09 | Briteseed, Llc | Vessel detector and method of detection |
EP4000509B1 (en) | 2015-02-19 | 2023-08-30 | Briteseed, LLC | Surgical system for determining vessel size |
EP3258840B1 (en) | 2015-02-19 | 2021-09-15 | Briteseed, LLC | System and method for determining vessel size using light absorption |
WO2018044722A1 (en) * | 2016-08-30 | 2018-03-08 | Briteseed Llc | System and method for determining vessel size with angular distortion compensation |
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2019
- 2019-12-27 JP JP2021538310A patent/JP2022516528A/ja active Pending
- 2019-12-27 WO PCT/US2019/068841 patent/WO2020142394A1/en active Application Filing
- 2019-12-27 US US17/417,746 patent/US20220287628A1/en active Pending
- 2019-12-27 EP EP19845803.6A patent/EP3902471A1/en active Pending
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WO2020142394A1 (en) | 2020-07-09 |
EP3902471A1 (en) | 2021-11-03 |
US20220287628A1 (en) | 2022-09-15 |
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