DE69535012D1 - Verfahren und Vorrichtung zur Messung der Konzentration von absorbierenden Bestandteilen in einem streuenden Medium - Google Patents
Verfahren und Vorrichtung zur Messung der Konzentration von absorbierenden Bestandteilen in einem streuenden MediumInfo
- Publication number
- DE69535012D1 DE69535012D1 DE69535012T DE69535012T DE69535012D1 DE 69535012 D1 DE69535012 D1 DE 69535012D1 DE 69535012 T DE69535012 T DE 69535012T DE 69535012 T DE69535012 T DE 69535012T DE 69535012 D1 DE69535012 D1 DE 69535012D1
- Authority
- DE
- Germany
- Prior art keywords
- concentration
- measuring
- scattering medium
- absorbing components
- absorbing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—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
- 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
- A61B5/14551—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 for measuring blood gases
- A61B5/14553—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 for measuring blood gases specially adapted for cerebral tissue
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0233—Special features of optical sensors or probes classified in A61B5/00
- A61B2562/0242—Special features of optical sensors or probes classified in A61B5/00 for varying or adjusting the optical path length in the tissue
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Neurology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22825394 | 1994-09-22 | ||
JP6228253A JP2780935B2 (ja) | 1994-09-22 | 1994-09-22 | 散乱吸収体の吸収成分の濃度計測方法及び装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69535012D1 true DE69535012D1 (de) | 2006-07-06 |
DE69535012T2 DE69535012T2 (de) | 2007-01-11 |
Family
ID=16873575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69535012T Expired - Lifetime DE69535012T2 (de) | 1994-09-22 | 1995-09-22 | Verfahren und Vorrichtung zur Messung der Konzentration von absorbierenden Bestandteilen in einem streuenden Medium |
Country Status (4)
Country | Link |
---|---|
US (1) | US5694931A (de) |
EP (1) | EP0703445B1 (de) |
JP (1) | JP2780935B2 (de) |
DE (1) | DE69535012T2 (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5524617A (en) * | 1995-03-14 | 1996-06-11 | Nellcor, Incorporated | Isolated layer pulse oximetry |
GB2304187B (en) * | 1995-08-07 | 1998-12-30 | Dia Stron Ltd | Translucency measurement |
GB9517366D0 (en) * | 1995-08-24 | 1995-10-25 | Johnson & Johnson Medical | Method of quantatively determining one or more characteristics of a substance |
JP3844815B2 (ja) * | 1996-08-30 | 2006-11-15 | 浜松ホトニクス株式会社 | 散乱体の吸収情報計測方法及び装置 |
JP3660761B2 (ja) * | 1996-10-03 | 2005-06-15 | 技術研究組合医療福祉機器研究所 | 散乱体の吸収情報の計測方法及び装置 |
US6124597A (en) * | 1997-07-07 | 2000-09-26 | Cedars-Sinai Medical Center | Method and devices for laser induced fluorescence attenuation spectroscopy |
JP4018799B2 (ja) * | 1998-04-02 | 2007-12-05 | 浜松ホトニクス株式会社 | 散乱吸収体の吸収成分の濃度計測方法及び装置 |
JP3887486B2 (ja) * | 1998-05-26 | 2007-02-28 | 浜松ホトニクス株式会社 | 散乱吸収体の内部特性分布の計測方法及び装置 |
US6332093B1 (en) | 1998-08-06 | 2001-12-18 | Art Recherches Et Technologies Avancees Inc./Art Advanced Research Technologies, Inc. | Scanning module for imaging through scattering media |
JP3950243B2 (ja) | 1998-11-05 | 2007-07-25 | 浜松ホトニクス株式会社 | 散乱吸収体の内部情報の計測方法及び装置 |
EP1008925B1 (de) | 1998-12-07 | 2006-01-11 | Hitachi, Ltd. | Vorrichtung zur Steuerung von Anlagen mit Hilfe von Körpersignalen |
US7047054B2 (en) | 1999-03-12 | 2006-05-16 | Cas Medical Systems, Inc. | Laser diode optical transducer assembly for non-invasive spectrophotometric blood oxygenation monitoring |
US6564088B1 (en) * | 2000-01-21 | 2003-05-13 | University Of Massachusetts | Probe for localized tissue spectroscopy |
WO2004010844A2 (en) | 2002-07-26 | 2004-02-05 | Cas Medical Systems, Inc. | Method for spectrophotometric blood oxygenation monitoring |
DE102004011631B4 (de) | 2004-03-10 | 2011-03-24 | Ott, Lutz, Dipl.-Ing. | Verfahren und Vorrichtung zur tiefenselektiven Detektion von Spontanaktivitäten und allgemeinen Muskelaktivitäten |
US7952692B2 (en) * | 2006-12-12 | 2011-05-31 | Orsense Ltd. | Method and apparatus for determination of analyte concentration |
US8292809B2 (en) | 2008-03-31 | 2012-10-23 | Nellcor Puritan Bennett Llc | Detecting chemical components from spectroscopic observations |
JPWO2011122584A1 (ja) * | 2010-03-29 | 2013-07-08 | 株式会社システムブレイン | 食品の品質検査装置及び食品の品質検査方法 |
US8821397B2 (en) | 2010-09-28 | 2014-09-02 | Masimo Corporation | Depth of consciousness monitor including oximeter |
US9775545B2 (en) | 2010-09-28 | 2017-10-03 | Masimo Corporation | Magnetic electrical connector for patient monitors |
AU2011323310A1 (en) | 2010-11-03 | 2013-06-13 | University Of Washington Through Its Center For Commercialization | Determination of tissue oxygenation in vivo |
US20130310669A1 (en) * | 2012-05-20 | 2013-11-21 | Jerusalem College Of Technology | Pulmonary pulse oximetry method for the measurement of oxygen saturation in the mixed venous blood |
US10342488B2 (en) | 2014-02-24 | 2019-07-09 | The Trustees Of The University Of Pennsylvania | Probes and pressure modulation algorithms for reducing extratissue contamination in hemodynamic measurement |
US10154815B2 (en) | 2014-10-07 | 2018-12-18 | Masimo Corporation | Modular physiological sensors |
KR102422021B1 (ko) | 2017-07-27 | 2022-07-15 | 삼성전자주식회사 | 광 검출기 선택 장치 및 방법과, 산란계수 측정 장치 및 방법 |
CN116033946A (zh) * | 2020-08-26 | 2023-04-28 | 松下知识产权经营株式会社 | 计测肌肉耗氧量的装置、方法及计算机程序 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5139025A (en) * | 1983-10-14 | 1992-08-18 | Somanetics Corporation | Method and apparatus for in vivo optical spectroscopic examination |
US4972331A (en) * | 1989-02-06 | 1990-11-20 | Nim, Inc. | Phase modulated spectrophotometry |
US5386827A (en) * | 1993-03-30 | 1995-02-07 | Nim Incorporated | Quantitative and qualitative in vivo tissue examination using time resolved spectroscopy |
US5119815A (en) * | 1988-12-21 | 1992-06-09 | Nim, Incorporated | Apparatus for determining the concentration of a tissue pigment of known absorbance, in vivo, using the decay characteristics of scintered electromagnetic radiation |
JPH0682096B2 (ja) * | 1990-11-26 | 1994-10-19 | 浜松ホトニクス株式会社 | 散乱媒質内吸光物質の濃度測定方法及び装置 |
US5413098A (en) * | 1991-12-24 | 1995-05-09 | Sextant Medical Corporation | Path constrained spectrophotometer and method for determination of spatial distribution of light or other radiation scattering and absorbing substances in a radiation scattering medium |
US5348003A (en) * | 1992-09-03 | 1994-09-20 | Sirraya, Inc. | Method and apparatus for chemical analysis |
JP3310390B2 (ja) * | 1993-06-10 | 2002-08-05 | 浜松ホトニクス株式会社 | 散乱媒質内吸光物質の濃度測定方法および装置 |
-
1994
- 1994-09-22 JP JP6228253A patent/JP2780935B2/ja not_active Expired - Fee Related
-
1995
- 1995-09-21 US US08/531,771 patent/US5694931A/en not_active Expired - Fee Related
- 1995-09-22 EP EP95306704A patent/EP0703445B1/de not_active Expired - Lifetime
- 1995-09-22 DE DE69535012T patent/DE69535012T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2780935B2 (ja) | 1998-07-30 |
JPH0894517A (ja) | 1996-04-12 |
US5694931A (en) | 1997-12-09 |
EP0703445A2 (de) | 1996-03-27 |
DE69535012T2 (de) | 2007-01-11 |
EP0703445A3 (de) | 1997-10-08 |
EP0703445B1 (de) | 2006-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |