JP5734310B2 - ラマン分光法による非侵襲性の生体内の測定装置および測定方法 - Google Patents
ラマン分光法による非侵襲性の生体内の測定装置および測定方法 Download PDFInfo
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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
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- A61B5/1451—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 specially adapted for measuring characteristics of body fluids other than blood for interstitial fluid
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- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
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Description
Claims (10)
- 被験者の皮膚内の間質液中に存在するグルコースのラマン分光法による非侵襲性の生体内測定を行なう装置であって、
光源と、
前記光源から測定位置までの光路を形成する光学的構成要素と、
光検出ユニットと、
前記測定位置から前記光検出ユニットまでのラマン散乱光に対するリターン・パスを形成する光学的構成要素と、
使用時に前記皮膚の表面に対して前記リターン・パスを形成する前記光学的構成要素の位置を定めるための、遠位面を有する皮膚係合部材と
を備え、ラマン散乱光に対するリターン・パスを形成する前記光学的構成要素が、前記光検出ユニットで受光されるラマン散乱光の少なくとも50%が、前記皮膚係合部材の前記遠位面を越えて60〜400μmの深さで生じるように、前記測定位置の近くから散乱された光を前記光検出ユニットへ選択的に伝えるようになっており、
前記光源から皮膚の表面よりも下の測定位置までの光路を形成する前記光学的構成要素が、前記光源から放射された光を、前記皮膚の前記表面よりも200〜300μm下の深さに集束させるようになっている、測定装置。 - 前記パーセンテージが少なくとも55%である、請求項1に記載された測定装置。
- 前記光検出ユニットで受光されるラマン散乱光の少なくとも90%が、前記皮膚係合部材の前記遠位面を越えて600μm未満の深さで生じるようになっている、請求項1又は請求項2に記載された測定装置。
- 前記光検出ユニットで受光されるラマン散乱光の25%未満が、前記皮膚係合部材の前記遠位面を越えて100μm未満の深さで生じるようになっている、請求項1から請求項3までのいずれか1項に記載された測定装置。
- 前記光検出ユニットで受光されるラマン散乱光の少なくとも15%が、前記皮膚係合部材の前記遠位面を越えて200〜300μmの深さで生じるようになっている、請求項1から請求項4までのいずれか1項に記載された測定装置。
- 前記光源が、830nmの波長を放出する実質的に単色の光源である、請求項1から請求項5までのいずれか1項に記載された測定装置。
- 使用時に前記測定位置を形成する構成要素を含む、前記皮膚に付着するためのハンドピースと、
前記ハンドピースを、前記光源に、及び前記測定を行うために前記光検出ユニットから受け取った信号を分析するための電子回路を含む処理ユニットに接続する1つ又は複数の光ファイバと
を備える請求項1から請求項6までのいずれか1項に記載された測定装置。 - 前記測定位置での前記皮膚係合部材の遠位位置が調整可能である請求項1から請求項7までのいずれか1項に記載された測定装置。
- 前記測定位置での前記皮膚係合部材の前記遠位位置が固定されている請求項1から請求項7までのいずれか1項に記載された測定装置。
- 被験者の皮膚内の間質液中に存在するグルコースのラマン分光法による非侵襲性の生体内の測定を行なう方法であって、
光源からの光を前記皮膚の中へ、前記光源から前記皮膚内の測定位置までの光路を形成する光学的構成要素を介して方向付けること、
前記皮膚から戻るラマン散乱光を、光検出ユニットにおいて、前記測定位置から前記光検出ユニットまでのラマン散乱光に対するリターン・パスを形成する光学的構成要素を介して受光すると同時に、使用時に前記皮膚の表面に対して前記リターン・パスを形成する前記光学的構成要素の位置を決定するための、遠位面を有する皮膚係合部材を用いること
を含み、ラマン散乱光に対するリターン・パスを形成する前記光学的構成要素が、前記光検出ユニットで受光されるラマン散乱光の少なくとも50%が、前記皮膚係合部材の前記遠位面を越えて60〜400μmの深さで生じるように、前記測定位置の近くから散乱される光を前記光検出ユニットへ選択的に伝え、
前記光源から皮膚の表面よりも下の測定位置までの光路を形成する前記光学的構成要素が、前記光源から放射された光を、前記皮膚の前記表面よりも200〜300μm下の深さに集束させるようになっている、測定方法。
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GBGB1000179.0A GB201000179D0 (en) | 2010-01-07 | 2010-01-07 | Apparatus for non-invasive in vivo measurement by raman spectroscopy |
GB1000179.0 | 2010-01-07 | ||
PCT/EP2011/050059 WO2011083111A1 (en) | 2010-01-07 | 2011-01-04 | Apparatus for non-invasive in vivo measurement by raman spectroscopy |
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US (2) | US9380942B2 (ja) |
EP (1) | EP2528505B1 (ja) |
JP (1) | JP5734310B2 (ja) |
CN (2) | CN105377134B (ja) |
BR (1) | BR112012016572B1 (ja) |
DK (1) | DK2528505T3 (ja) |
ES (1) | ES2770782T3 (ja) |
GB (1) | GB201000179D0 (ja) |
HU (1) | HUE047414T2 (ja) |
PL (1) | PL2528505T3 (ja) |
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CN109124649A (zh) | 2019-01-04 |
BR112012016572A2 (pt) | 2016-04-05 |
JP2013516256A (ja) | 2013-05-13 |
CN109124649B (zh) | 2021-08-24 |
EP2528505B1 (en) | 2019-12-11 |
WO2011083111A1 (en) | 2011-07-14 |
CN105377134A (zh) | 2016-03-02 |
RU2549992C2 (ru) | 2015-05-10 |
BR112012016572B1 (pt) | 2022-03-15 |
US20160287147A1 (en) | 2016-10-06 |
GB201000179D0 (en) | 2010-02-24 |
EP2528505A1 (en) | 2012-12-05 |
US9380942B2 (en) | 2016-07-05 |
US20130018237A1 (en) | 2013-01-17 |
CN105377134B (zh) | 2018-08-24 |
ES2770782T3 (es) | 2020-07-03 |
PL2528505T3 (pl) | 2020-05-18 |
DK2528505T3 (da) | 2020-02-17 |
HUE047414T2 (hu) | 2020-04-28 |
RU2012133682A (ru) | 2014-02-20 |
US10433775B2 (en) | 2019-10-08 |
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