JP2005512039A5 - - Google Patents
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- JP2005512039A5 JP2005512039A5 JP2003549852A JP2003549852A JP2005512039A5 JP 2005512039 A5 JP2005512039 A5 JP 2005512039A5 JP 2003549852 A JP2003549852 A JP 2003549852A JP 2003549852 A JP2003549852 A JP 2003549852A JP 2005512039 A5 JP2005512039 A5 JP 2005512039A5
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- substance
- absorption coefficient
- temperature
- wavelength
- determining
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Claims (33)
少なくとも一つの波長において第一の物質の吸収係数の測定値を取得すること、及び
該吸収係数の測定値及び該少なくとも一つの波長における温度の関数としての吸収係数の既知の値を使用して温度を決定すること、
からなることを特徴とする方法。 A method for determining the temperature of a first substance, comprising:
Obtaining a measurement of the absorption coefficient of the first substance at at least one wavelength, and using the measured value of the absorption coefficient and a known value of the absorption coefficient as a function of temperature at the at least one wavelength; To determine the
A method characterized by comprising:
ことを特徴とする請求項１に記載の方法。 The at least one wavelength is one wavelength;
The method according to claim 1.
ことを特徴とする請求項２に記載の方法。 The first substance is water,
The method according to claim 2.
ことを特徴とする請求項１に記載の方法。 The at least one wavelength is a plurality of wavelengths;
The method according to claim 1.
複数の曲線の各々が異なる一定温度に対する第一の物質の吸収係数の波長依存を表している場合において、該複数の曲線のどの特定の曲線に前記係数の測定値が最も適するかを決定すること、及び
該物質の温度を該特定の曲線の一定温度であると決定すること、
からなることを特徴とする方法。 The method of claim 4, wherein determining the temperature comprises:
Determining which specific curve of the plurality of curves is most suitable for the measurement of the coefficient, where each of the plurality of curves represents the wavelength dependence of the absorption coefficient of the first substance for different constant temperatures. Determining the temperature of the material to be a constant temperature of the particular curve;
A method characterized by comprising:
前記係数の測定値から吸収スペクトルがピークを有する波長を決定すること、及び
前記複数の曲線のいずれが実質的に同じ該波長においてピークを有するか決定すること、
からなることを特徴とする方法。 6. The method of claim 5, wherein determining a particular optimal curve is
Determining the wavelength at which the absorption spectrum has a peak from the measured value of the coefficient, and determining which of the plurality of curves has a peak at substantially the same wavelength,
A method characterized by comprising:
ことを特徴とする請求項６に記載の方法。 The first substance is water,
The method according to claim 6.
吸収係数の測定値は、水の吸収係数がピークを有する波長において又はその波長の付近で取得される、
ことを特徴とする方法。 The method of claim 7, comprising:
The measured value of the absorption coefficient is obtained at or near the wavelength where the water absorption coefficient has a peak,
A method characterized by that.
吸収係数の測定値は、吸収係数がピークに達する波長に跨った少なくとも二つの波長において取得される、
ことを特徴とする方法。 The method according to claim 8, comprising:
Absorption coefficient measurements are taken at at least two wavelengths across the wavelength at which the absorption coefficient reaches a peak,
A method characterized by that.
ことを特徴とする請求項１、４又は５のいずれかに記載の方法。 The first substance is water,
The method according to claim 1, 4 or 5.
第一の物質は第二の物質の成分であり、且つ
少なくとも一つの波長において吸収係数の測定値を取得することは、第二の物質の吸収係数が実質的に第一の物質の吸収係数に等しくなる少なくとも一つの波長において第二の物質の吸収係数の測定値を取得することからなる、
ことを特徴とする方法。 A method according to any of claims 1 to 9, comprising
The first substance is a component of the second substance, and obtaining an absorption coefficient measurement at at least one wavelength means that the absorption coefficient of the second substance is substantially equal to the absorption coefficient of the first substance. Obtaining a measurement of the absorption coefficient of the second substance at at least one wavelength which is equal,
A method characterized by that.
請求項１１に記載の方法。 Using a measurement of the temperature of the first substance as the temperature of the second substance,
The method of claim 11.
ことを特徴とする請求項１２のいずれかに記載の方法。 The second substance is a living tissue,
13. A method according to any one of claims 12 to 13.
ことを特徴とする請求項１３に記載の方法。 The second substance is blood,
The method according to claim 13.
第一の物質及び材料のその他の成分が温度に実質的に依存しない、又は弱くしか依存しない複数の波長において、第二の物質の吸収係数の第一の測定値を取得すること、
取得した第一の測定値から第一の物質及び材料のその他の成分の濃度を決定すること、
第一の物質の吸収係数が温度依存する少なくとも一つの波長において、第二の物質の吸収係数の第二の測定値を取得すること、
第二の測定値及び該決定した濃度から第一の物質の吸収係数を決定すること、
からなることを特徴とする方法。 10. The method according to any one of claims 1 to 9, wherein the first substance is a component of the second substance and a measured value of the absorption coefficient of the first substance at at least one wavelength is obtained. But,
Obtaining a first measurement of the absorption coefficient of the second substance at a plurality of wavelengths where the first substance and other components of the material are substantially independent or weakly dependent on temperature;
Determining the concentration of the first substance and other components of the material from the obtained first measurements;
Obtaining a second measurement of the absorption coefficient of the second substance at at least one wavelength at which the absorption coefficient of the first substance is temperature dependent;
Determining an absorption coefficient of the first substance from a second measured value and the determined concentration;
A method characterized by comprising:
請求項１５に記載の方法。 Using a measurement of the temperature of the first substance as the temperature of the second substance,
The method of claim 15.
ことを特徴とする請求項１６に記載の方法。 The second substance is a living tissue,
The method according to claim 16.
ことを特徴とする請求項１７に記載の方法。 The second substance is blood,
The method according to claim 17, wherein:
第二の物質の吸収スペクトルの波長及び温度依存の形状が第一の物質の吸収スペクトルのものと実質的に同じになる第二の物質の吸収スペクトルの波長領域内の複数の波長において、第二の物質の吸収係数の測定値を取得すること、及び
吸収係数の該測定値、及び、該複数の波長における温度の関数としての第一の物質の吸収係数の既知の値を使用して、温度を決定すること、
からなることを特徴とする方法。 A method for determining a temperature of a first substance contained in a second substance, comprising:
At a plurality of wavelengths in the wavelength region of the absorption spectrum of the second substance, the wavelength and temperature dependent shape of the absorption spectrum of the second substance are substantially the same as those of the absorption spectrum of the first substance. Obtaining a measured value of the absorption coefficient of the substance, and using the measured value of the absorption coefficient and a known value of the absorption coefficient of the first substance as a function of the temperature at the plurality of wavelengths, To determine the
A method characterized by comprising:
複数の曲線の各々が異なる一定温度における第一の物質の吸収係数の波長依存を示している場合において、該複数の曲線のどの特定の曲線に前記係数の測定値が最も適するか決定すること、及び
第一の物質の温度を該特定の曲線の一定温度であると決定すること、
からなることを特徴とする方法。 The method of claim 19, wherein determining the temperature comprises:
Determining, in each of the plurality of curves, the wavelength dependence of the absorption coefficient of the first substance at different constant temperatures, for which particular curve of the plurality of curves the measurement of the coefficient is most suitable; And determining the temperature of the first substance to be a constant temperature of the particular curve,
A method characterized by comprising:
前記係数の測定値から吸収スペクトルがピークを有する波長を決定すること、及び
複数の曲線のいずれが実質的に同じ該波長においてピークを有するか決定すること、
からなる方法。 21. The method of claim 20, wherein determining a particular optimal curve is
Determining the wavelength at which the absorption spectrum has a peak from the measured value of the coefficient, and determining which of the plurality of curves has a peak at substantially the same wavelength,
A method consisting of:
ことを特徴とする請求項１９から２１のいずれかに記載の方法。 The first substance is water,
22. A method according to any one of claims 19 to 21 characterized in that
吸収係数の測定値は、水の吸収係数がピークを有する波長において又はその波長の付近で取得される、
ことを特徴とする方法。 23. The method of claim 22, comprising
The measured value of the absorption coefficient is obtained at or near the wavelength where the water absorption coefficient has a peak,
A method characterized by that.
吸収係数の測定値は、吸収係数がピークに達する波長に跨った、少なくとも二つの波長において取得される、
ことを特徴とする方法。 24. The method of claim 23, comprising:
Absorption coefficient measurements are taken at at least two wavelengths across the wavelength at which the absorption coefficient peaks.
A method characterized by that.
ことを特徴とする請求項１９から２１のいずれかに記載の方法。 Using a measurement of the temperature of the first substance as the temperature of the second substance,
22. A method according to any one of claims 19 to 21 characterized in that
ことを特徴とする請求項２５のいずれかに記載の方法。 The second substance is a living tissue,
26. A method according to any of claims 25.
ことを特徴とする請求項２６に記載の方法。 The second substance is blood,
27. A method according to claim 26.
請求項２２に記載の方法。 Consisting of using a measurement of the temperature of the water as the temperature of the second substance,
The method of claim 22.
ことを特徴とする請求項２８に記載の方法。 The second substance is a living tissue,
29. The method of claim 28, wherein:
ことを特徴とする請求項２９に記載の方法。 The second substance is blood,
30. The method of claim 29.
請求項１から９又は１９から２１のいずれかに記載の方法。 Obtaining the measured value of the absorption coefficient consists of obtaining the measured value using the photoacoustic effect.
A method according to any of claims 1 to 9 or 19 to 21.
請求項３１に記載の方法。 Obtaining the measured value of the absorption coefficient consists of obtaining the measured value as a function of position,
32. The method of claim 31.
請求項３２に記載の方法。 Determining the temperature consists of determining the temperature as a function of position,
The method of claim 32.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US33140801P | 2001-11-15 | 2001-11-15 | |
| PCT/IL2002/000914 WO2003048704A1 (en) | 2001-11-15 | 2002-11-14 | Method and apparatus for measuring temperature |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005512039A JP2005512039A (en) | 2005-04-28 |
| JP2005512039A5 true JP2005512039A5 (en) | 2006-02-16 |
Family
ID=23293827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003549852A Pending JP2005512039A (en) | 2001-11-15 | 2002-11-14 | Method and apparatus for measuring temperature |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1456614A4 (en) |
| JP (1) | JP2005512039A (en) |
| AU (1) | AU2002353454A1 (en) |
| WO (1) | WO2003048704A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007057380A (en) * | 2005-08-24 | 2007-03-08 | Univ Of Electro-Communications | Non-contact temperature measuring device |
| JP2009128175A (en) * | 2007-11-22 | 2009-06-11 | Yokogawa Electric Corp | Near-infrared analyzer |
| DE102008006245A1 (en) * | 2008-01-25 | 2009-07-30 | Nirlus Engineering Ag | Method for the noninvasive, optical determination of the temperature of a medium |
| US8886294B2 (en) * | 2011-11-30 | 2014-11-11 | Covidien Lp | Methods and systems for photoacoustic monitoring using indicator dilution |
| US9131852B2 (en) * | 2011-12-05 | 2015-09-15 | Covidien Lp | Methods and systems for photoacoustic monitoring using indicator dilution |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4873481A (en) * | 1988-02-16 | 1989-10-10 | Radiometrics Corporation | Microwave radiometer and methods for sensing atmospheric moisture and temperature |
| US4973853A (en) * | 1989-07-28 | 1990-11-27 | Gte Government Systems Corporation | Remote subsurface water temperature measuring apparatus with Brillouin scattering |
| US6082892A (en) * | 1992-05-29 | 2000-07-04 | C.I. Systems Ltd. | Temperature measuring method and apparatus |
| WO1998043096A2 (en) * | 1997-03-25 | 1998-10-01 | Siemens Aktiengesellschaft | Method and device for non-invasive in vivo determination of blood constituents |
| US6168311B1 (en) * | 1998-10-13 | 2001-01-02 | Checkpoint Technologies Llc | System and method for optically determining the temperature of a test object |
-
2002
- 2002-11-14 EP EP02788479A patent/EP1456614A4/en not_active Withdrawn
- 2002-11-14 JP JP2003549852A patent/JP2005512039A/en active Pending
- 2002-11-14 WO PCT/IL2002/000914 patent/WO2003048704A1/en not_active Ceased
- 2002-11-14 AU AU2002353454A patent/AU2002353454A1/en not_active Abandoned
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