JP2019048055A - 人体組織内のパラメータを測定するための測定システムおよび方法 - Google Patents
人体組織内のパラメータを測定するための測定システムおよび方法 Download PDFInfo
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Abstract
Description
Claims (15)
- 人体組織内の少なくともひとつのパラメータを測定するための測定システムであって、
前記人体組織に適用される少なくともひとつの測定装置と、
光波を照射するための光学ユニットであって、少なくとも4つの波長の光波を照射し、前記少なくとも4つの波長の光波の少なくともひとつの波長は、人体パラメータの吸収の範囲内にある、ところの光学ユニットと、
前記光学ユニットと前記測定装置との間にあって、前記光波を伝達するための少なくともひとつの光学ガイドと、
測定波を解析するための解析ユニットと、
を備え、
前記光学ユニットによって照射された前記光波は、前記人体組織内の光学測定体積内に、前記測定装置によって放射され、前記測定装置によって前記測定体積から受信された前記人体組織からの前記測定波が、前記解析ユニットへ転送可能であり、
前記解析ユニットは、変換アルゴリズムを有し、
前記変換アルゴリズムは、
前記光学測定体積内で測定された前記人体パラメータの拍動性を、前記人体組織内の圧力のパラメータに変換し、
前記少なくとも4つの波長の光波の拍動性の違いに基づいて、前記光波の吸収を識別することにより、前記人体パラメータを決定する、
ことを特徴とする測定システム。 - 前記変換アルゴリズムは、前記測定体積内で測定された濃度パラメータの拍動性を、前記人体組織内の前記圧力のパラメータに変換する、請求項1に記載の測定システム。
- 前記変換アルゴリズムは、前記測定体積中で測定された、酸素化ヘモグロビンの濃度、非酸素化ヘモグロビンの濃度、および/または、ヘモグロビン全体の濃度の拍動性を、前記人体組織内の前記圧力のパラメータに変換する、請求項2に記載の測定システム。
- 前記変換アルゴリズムは、脳内の測定体積内で測定された前記人体パラメータの前記拍動性を、前記脳内の頭蓋内圧力のパラメータに変換する、請求項1から3のいずれか一項に記載の測定システム。
- 前記変換アルゴリズムは、筋肉の測定体積内で測定されたパラメータの拍動性を、前記筋肉の区画ごとの圧力パラメータに変換する、請求項1から3のいずれか一項に記載の測定システム。
- 前記変換アルゴリズムは、前記頭蓋内圧力の基準曲線と測定した人体パラメータの拍動性の波形および/またはピークとを比較することにより、前記頭蓋内圧力を識別する、請求項4に記載の測定システム。
- 前記光波の拍動性の違いは、前記少なくとも4つの波長に関して前記人体パラメータの測定された拍動性の振幅の差である、ことを特徴とする請求項1から6のいずれか一項に記載の測定システム。
- 前記光波の拍動性の違いは、前記少なくとも4つの波長に関して前記人体パラメータの測定された拍動性の波形の違いである、ことを特徴とする請求項1から6のいずれか一項に記載の測定システム。
- 前記吸収の波長は、決定すべき人体パラメータに従って選択される、請求項1から8のいずれか一項に記載の測定システム。
- 前記光学測定体積内の前記波長の吸収率の重み付けは、一桁内である、請求項9に記載の測定システム。
- 前記人体組織の異なる構成物質に対して、構成物質の濃度の測定のために、前記構成物質のひとつにより吸収される波長が与えられ、前記人体組織の濃度の測定用に吸収される波長が与えられ、および/または、血液の濃度の測定用に吸収される波長が与えられる、請求項1または2に記載の測定システム。
- 複数の照射された光波および複数の受信された測定波は、前記測定装置で同時に使用される、請求項1から11のいずれか一項に記載の測定システム。
- 前記測定装置は、非侵襲測定装置として与えられる、請求項1から12のいずれか一項に記載の測定システム。
- 前記解析ユニット内で実行されるのは、線形方程式系によって、組織液体積、血液の濃度、および/または、人体組織の濃度を識別する、数値解析法である、請求項1から13のいずれか一項に記載の測定システム。
- 前記人体組織の血液流内に染料を導入するためのマーカー装置をさらに備え、前記測定システムは、前記血液流内の染料濃度を決定するためのモードを有する、請求項1から14のいずれか一項に記載の測定システム。
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| US10420469B2 (en) * | 2017-11-22 | 2019-09-24 | Hi Llc | Optical detection system for determining neural activity in brain based on water concentration |
| AU2019205813B2 (en) | 2018-01-08 | 2021-06-24 | Vivonics, Inc. | System and method for cooling the brain of a human subject |
| US11857316B2 (en) | 2018-05-07 | 2024-01-02 | Hi Llc | Non-invasive optical detection system and method |
| GB201916782D0 (en) | 2019-11-18 | 2020-01-01 | City Univ Of London | Monitoring system |
| WO2021138529A1 (en) | 2020-01-03 | 2021-07-08 | Vivonics, Inc. | A system and method for non-invasively determining an indication and/or an assessment of intracranial pressure |
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Also Published As
| Publication number | Publication date |
|---|---|
| FI2999402T3 (fi) | 2023-03-19 |
| EP2999402A1 (de) | 2016-03-30 |
| EP2999402B1 (de) | 2023-01-04 |
| ES2939603T3 (es) | 2023-04-25 |
| CA2911952A1 (en) | 2014-11-27 |
| CA2911952C (en) | 2022-10-04 |
| WO2014187849A1 (de) | 2014-11-27 |
| US20160058395A1 (en) | 2016-03-03 |
| PL2999402T3 (pl) | 2023-04-17 |
| DK2999402T3 (da) | 2023-03-06 |
| PT2999402T (pt) | 2023-03-07 |
| US10682100B2 (en) | 2020-06-16 |
| JP6734895B2 (ja) | 2020-08-05 |
| JP2016522040A (ja) | 2016-07-28 |
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