JP2000515972A - 検体を傷つけずに、血液が供給されている組織の酸素飽和量を測定する方法 - Google Patents
検体を傷つけずに、血液が供給されている組織の酸素飽和量を測定する方法Info
- Publication number
- JP2000515972A JP2000515972A JP10508348A JP50834898A JP2000515972A JP 2000515972 A JP2000515972 A JP 2000515972A JP 10508348 A JP10508348 A JP 10508348A JP 50834898 A JP50834898 A JP 50834898A JP 2000515972 A JP2000515972 A JP 2000515972A
- Authority
- JP
- Japan
- Prior art keywords
- oxygen saturation
- light
- component
- transmitted light
- tissue
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 34
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 25
- 239000001301 oxygen Substances 0.000 title claims abstract description 25
- 239000008280 blood Substances 0.000 title claims abstract description 15
- 210000004369 blood Anatomy 0.000 title claims abstract description 15
- 238000005259 measurement Methods 0.000 claims description 16
- 230000007613 environmental effect Effects 0.000 claims description 2
- 238000002106 pulse oximetry Methods 0.000 description 11
- 210000001519 tissue Anatomy 0.000 description 10
- 108010054147 Hemoglobins Proteins 0.000 description 7
- 102000001554 Hemoglobins Human genes 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000002496 oximetry Methods 0.000 description 4
- 210000000624 ear auricle Anatomy 0.000 description 3
- 210000002683 foot Anatomy 0.000 description 3
- 230000031700 light absorption Effects 0.000 description 3
- 108010064719 Oxyhemoglobins Proteins 0.000 description 2
- 238000000862 absorption spectrum Methods 0.000 description 2
- 230000008321 arterial blood flow Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 239000012491 analyte Substances 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 210000003371 toe Anatomy 0.000 description 1
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
-
- 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
- A61B5/1495—Calibrating or testing of in-vivo probes
-
- 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
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 検体を傷つけずに、血液が供給されている組織の酸素飽和量を測定する方 法であって、組織に少なくとも2つの異なる波長の光が当てられ、透過光のDC成 分およびAC成分が測定され、 第1の時間間隔において、少なくとも1つの補間ファクタk、klないしknが透 過光のDC成分およびAC成分から求められるステップと、 第2の時間間隔において、組織内の酸素飽和量が、透過光のDC成分、および求 めた補間ファクタk、またはklないしknから漸次的に計算されるステップと、を 有することを特徴とする方法。 2. 請求項1の方法であって、 補間ファクタk、klないしknが、環境変動による妨害が全くあるいは殆どない 間に測定されることを特徴とする方法。 3. 請求項1または2の方法であって、 補間ファクタk、klないしknの測定が、周期的に繰り返されることを特徴とす る方法。 4. 請求項1ないし3のいずれかの方法であって、 補間ファクタk、klないしknの測定が、10秒ないし10分間隔で繰り返され ることを特徴とする方法。 5. 請求項1ないし4のいずれかの方法であって、 DCL1およびDCL2を用いられる2つの波長を有する透過光のDC成分、fを所与の 測定装置に関する、測定位置および患者に依存しない、帰納的に求められる関数 とした場合に、酸素飽和量SaO2 DCが、 を用いて計算されることを特徴とする方法。 6. 請求項5の方法であって、 ACL1およびACL2を用いられる2つの波長を有する透過光のAC成分とした場合に 、補間ファクタkが、の支援により求められることを特徴とする方法。 7. 請求項1ないし4のいずれかの方法であって、 n≧2、DCL1およびDCL2を用いられる2つの波長を有する透過光のDC成分、f を所与の測定装置に関する、測定位置および患者に依存しない、帰納的に求めら れる関数とした場合に、酸素飽和量SaO2 DCが、 を用いて計算されることを特徴とする方法。 8. 請求項7の方法であって、 ACL1およびACL2を用いられる2つの波長を有する透過光のAC成分とした場合に 、補間ファクタklないしknが、 の支援により求められることを特徴とする方法。 9. 請求項1ないし8のいずれかの方法であって、 赤色光および赤外光が用いられることを特徴とする方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH186496 | 1996-07-26 | ||
CH1864/96 | 1996-07-26 | ||
PCT/CH1997/000282 WO1998004903A1 (de) | 1996-07-26 | 1997-07-24 | Verfahren zur nichtinvasiven bestimmung der sauerstoffsättigung in durchblutetem gewebe |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2000515972A true JP2000515972A (ja) | 2000-11-28 |
JP3925945B2 JP3925945B2 (ja) | 2007-06-06 |
Family
ID=4220394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50834898A Expired - Fee Related JP3925945B2 (ja) | 1996-07-26 | 1997-07-24 | 検体を傷つけずに、血液が供給されている組織の酸素飽和量を測定する方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6151107A (ja) |
EP (1) | EP0914601B1 (ja) |
JP (1) | JP3925945B2 (ja) |
DE (1) | DE59707228D1 (ja) |
ES (1) | ES2173457T3 (ja) |
WO (1) | WO1998004903A1 (ja) |
Families Citing this family (87)
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US6018673A (en) | 1996-10-10 | 2000-01-25 | Nellcor Puritan Bennett Incorporated | Motion compatible sensor for non-invasive optical blood analysis |
US6675031B1 (en) | 1999-04-14 | 2004-01-06 | Mallinckrodt Inc. | Method and circuit for indicating quality and accuracy of physiological measurements |
EP1198196A4 (en) * | 1999-07-14 | 2007-05-02 | Providence Health Sys Oregon | METHOD AND DEVICE FOR PULSE OXIMETRY WITH ADAPTIVE CALIBRATION |
US6760609B2 (en) | 1999-07-14 | 2004-07-06 | Providence Health System - Oregon | Adaptive calibration pulsed oximetry method and device |
DK2322085T3 (da) | 2000-04-17 | 2014-06-16 | Covidien Lp | Pulsoximetersensor med trinvis funktion |
US8224412B2 (en) | 2000-04-17 | 2012-07-17 | Nellcor Puritan Bennett Llc | Pulse oximeter sensor with piece-wise function |
US6434408B1 (en) * | 2000-09-29 | 2002-08-13 | Datex-Ohmeda, Inc. | Pulse oximetry method and system with improved motion correction |
US6939310B2 (en) | 2001-10-10 | 2005-09-06 | Lifescan, Inc. | Devices for physiological fluid sampling and methods of using the same |
US6748254B2 (en) | 2001-10-12 | 2004-06-08 | Nellcor Puritan Bennett Incorporated | Stacked adhesive optical sensor |
US6839580B2 (en) * | 2001-12-06 | 2005-01-04 | Ric Investments, Inc. | Adaptive calibration for pulse oximetry |
US6882874B2 (en) * | 2002-02-15 | 2005-04-19 | Datex-Ohmeda, Inc. | Compensation of human variability in pulse oximetry |
US7190986B1 (en) | 2002-10-18 | 2007-03-13 | Nellcor Puritan Bennett Inc. | Non-adhesive oximeter sensor for sensitive skin |
DE10256188A1 (de) * | 2002-12-02 | 2004-06-24 | Johann Wolfgang Goethe-Universität Frankfurt am Main | Reflexionsspektrometer |
CN100376669C (zh) * | 2005-02-25 | 2008-03-26 | 深圳迈瑞生物医疗电子股份有限公司 | 生物红细胞体积长期稳定的处理方法 |
CN100450437C (zh) * | 2005-03-10 | 2009-01-14 | 深圳迈瑞生物医疗电子股份有限公司 | 低灌注下测量血氧的方法 |
US7657295B2 (en) | 2005-08-08 | 2010-02-02 | Nellcor Puritan Bennett Llc | Medical sensor and technique for using the same |
US7590439B2 (en) | 2005-08-08 | 2009-09-15 | Nellcor Puritan Bennett Llc | Bi-stable medical sensor and technique for using the same |
US7657294B2 (en) | 2005-08-08 | 2010-02-02 | Nellcor Puritan Bennett Llc | Compliant diaphragm medical sensor and technique for using the same |
US20070060808A1 (en) | 2005-09-12 | 2007-03-15 | Carine Hoarau | Medical sensor for reducing motion artifacts and technique for using the same |
US8092379B2 (en) | 2005-09-29 | 2012-01-10 | Nellcor Puritan Bennett Llc | Method and system for determining when to reposition a physiological sensor |
US7869850B2 (en) | 2005-09-29 | 2011-01-11 | Nellcor Puritan Bennett Llc | Medical sensor for reducing motion artifacts and technique for using the same |
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US7899510B2 (en) | 2005-09-29 | 2011-03-01 | Nellcor Puritan Bennett Llc | Medical sensor and technique for using the same |
US8233954B2 (en) | 2005-09-30 | 2012-07-31 | Nellcor Puritan Bennett Llc | Mucosal sensor for the assessment of tissue and blood constituents and technique for using the same |
US7881762B2 (en) | 2005-09-30 | 2011-02-01 | Nellcor Puritan Bennett Llc | Clip-style medical sensor and technique for using the same |
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US8062221B2 (en) | 2005-09-30 | 2011-11-22 | Nellcor Puritan Bennett Llc | Sensor for tissue gas detection and technique for using the same |
US7486979B2 (en) | 2005-09-30 | 2009-02-03 | Nellcor Puritan Bennett Llc | Optically aligned pulse oximetry sensor and technique for using the same |
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US8050730B2 (en) * | 2005-12-23 | 2011-11-01 | Shenzhen Mindray Bio-Medical Electrics Co., Ltd. | Method and apparatus for eliminating interference in pulse oxygen measurement |
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GB8719333D0 (en) * | 1987-08-14 | 1987-09-23 | Swansea University College Of | Motion artefact rejection system |
US4869254A (en) * | 1988-03-30 | 1989-09-26 | Nellcor Incorporated | Method and apparatus for calculating arterial oxygen saturation |
US5216598A (en) * | 1989-10-04 | 1993-06-01 | Colin Electronics Co., Ltd. | System for correction of trends associated with pulse wave forms in oximeters |
US5224478A (en) * | 1989-11-25 | 1993-07-06 | Colin Electronics Co., Ltd. | Reflecting-type oxymeter probe |
JPH0614922B2 (ja) * | 1991-02-15 | 1994-03-02 | 日本光電工業株式会社 | パルスオキシメータ用校正試験装置 |
GB9216431D0 (en) * | 1992-08-01 | 1992-09-16 | Univ Swansea | Optical monitoring or measuring artefact suppression |
US5497769A (en) * | 1993-12-16 | 1996-03-12 | I.S.S. (Usa) Inc. | Photosensor with multiple light sources |
DE4429758A1 (de) * | 1994-08-22 | 1996-02-29 | Buschmann Johannes | Verfahren zur Validierung von Vorrichtungen zur Fotometrie lebender Gewebe sowie Vorrichtung zur Durchführung des Verfahrens |
-
1997
- 1997-07-24 WO PCT/CH1997/000282 patent/WO1998004903A1/de active IP Right Grant
- 1997-07-24 DE DE59707228T patent/DE59707228D1/de not_active Expired - Lifetime
- 1997-07-24 EP EP97930288A patent/EP0914601B1/de not_active Expired - Lifetime
- 1997-07-24 ES ES97930288T patent/ES2173457T3/es not_active Expired - Lifetime
- 1997-07-24 US US09/214,978 patent/US6151107A/en not_active Expired - Fee Related
- 1997-07-24 JP JP50834898A patent/JP3925945B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO1998004903A1 (de) | 1998-02-05 |
EP0914601B1 (de) | 2002-05-08 |
US6151107A (en) | 2000-11-21 |
EP0914601A1 (de) | 1999-05-12 |
ES2173457T3 (es) | 2002-10-16 |
DE59707228D1 (de) | 2002-06-13 |
JP3925945B2 (ja) | 2007-06-06 |
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