CA2538571A1 - Measurement of blood oxygen saturation - Google Patents
Measurement of blood oxygen saturation Download PDFInfo
- Publication number
- CA2538571A1 CA2538571A1 CA002538571A CA2538571A CA2538571A1 CA 2538571 A1 CA2538571 A1 CA 2538571A1 CA 002538571 A CA002538571 A CA 002538571A CA 2538571 A CA2538571 A CA 2538571A CA 2538571 A1 CA2538571 A1 CA 2538571A1
- Authority
- CA
- Canada
- Prior art keywords
- spectrum
- blood
- light
- white
- remitted
- 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.)
- Abandoned
Links
- 239000008280 blood Substances 0.000 title claims abstract description 92
- 210000004369 blood Anatomy 0.000 title claims abstract description 92
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims description 35
- 229910052760 oxygen Inorganic materials 0.000 title claims description 35
- 239000001301 oxygen Substances 0.000 title claims description 35
- 238000005259 measurement Methods 0.000 title claims description 9
- 238000001228 spectrum Methods 0.000 claims abstract description 106
- 238000000862 absorption spectrum Methods 0.000 claims abstract description 68
- 238000006213 oxygenation reaction Methods 0.000 claims abstract description 25
- 238000010521 absorption reaction Methods 0.000 claims description 48
- 230000031700 light absorption Effects 0.000 claims description 45
- 238000000034 method Methods 0.000 claims description 44
- 238000010606 normalization Methods 0.000 claims description 10
- 238000012512 characterization method Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000003750 conditioning effect Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 230000003595 spectral effect Effects 0.000 description 12
- 230000006870 function Effects 0.000 description 11
- 230000033001 locomotion Effects 0.000 description 10
- XUMBMVFBXHLACL-UHFFFAOYSA-N Melanin Chemical compound O=C1C(=O)C(C2=CNC3=C(C(C(=O)C4=C32)=O)C)=C2C4=CNC2=C1C XUMBMVFBXHLACL-UHFFFAOYSA-N 0.000 description 8
- 210000003491 skin Anatomy 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- 239000000835 fiber Substances 0.000 description 5
- 210000001519 tissue Anatomy 0.000 description 5
- 210000003811 finger Anatomy 0.000 description 4
- 102000001554 Hemoglobins Human genes 0.000 description 3
- 108010054147 Hemoglobins Proteins 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000000338 in vitro Methods 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- 208000030831 Peripheral arterial occlusive disease Diseases 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 230000001143 conditioned effect Effects 0.000 description 2
- 210000000624 ear auricle Anatomy 0.000 description 2
- 239000008393 encapsulating agent Substances 0.000 description 2
- 238000011067 equilibration Methods 0.000 description 2
- 238000013213 extrapolation Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 210000005224 forefinger Anatomy 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 238000000411 transmission spectrum Methods 0.000 description 2
- 206010020565 Hyperaemia Diseases 0.000 description 1
- 208000012641 Pigmentation disease Diseases 0.000 description 1
- 206010042496 Sunburn Diseases 0.000 description 1
- 238000002266 amputation Methods 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 238000013528 artificial neural network Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 210000004207 dermis Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000001147 pulmonary artery Anatomy 0.000 description 1
- 208000022064 reactive hyperemia Diseases 0.000 description 1
- 238000000985 reflectance spectrum Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000001429 visible spectrum Methods 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
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Heart & Thoracic Surgery (AREA)
- Optics & Photonics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0322545A GB0322545D0 (en) | 2003-09-26 | 2003-09-26 | Measurement of blood oxygen saturation (SO2) |
| GB0322545.5 | 2003-09-26 | ||
| PCT/US2004/031321 WO2005030049A1 (en) | 2003-09-26 | 2004-09-24 | Measurement of blood oxygen saturation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2538571A1 true CA2538571A1 (en) | 2005-04-07 |
Family
ID=29286874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002538571A Abandoned CA2538571A1 (en) | 2003-09-26 | 2004-09-24 | Measurement of blood oxygen saturation |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1670355A1 (ja) |
| JP (1) | JP2007506522A (ja) |
| AU (1) | AU2004275800A1 (ja) |
| CA (1) | CA2538571A1 (ja) |
| GB (1) | GB0322545D0 (ja) |
| WO (1) | WO2005030049A1 (ja) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005063263A1 (de) * | 2005-12-30 | 2007-07-05 | Opsolution Mobile Gmbh | Verfahren und System zur Generierung eines hinsichtlich der Präsenz eines Stoffes innerhalb einer Probe indikativen Messergebnisses auf Grundlage einer spektrometrischen Messung |
| US7519407B2 (en) | 2006-02-21 | 2009-04-14 | Physical Logic Ag | Optical sensing catheter system |
| JP5607358B2 (ja) * | 2006-05-30 | 2014-10-15 | ユニバーシティ オブ マサチューセッツ | 組織酸素化の測定 |
| US8496609B2 (en) | 2007-07-05 | 2013-07-30 | Baxter International Inc. | Fluid delivery system with spiked cassette |
| US20130310668A1 (en) * | 2010-10-08 | 2013-11-21 | Edwards Lifesciences Corporation | System, method and computer program product for optical measurement of blood parameters |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2815074C2 (de) * | 1978-04-07 | 1983-03-03 | Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen | Spektralfotometer für medizinische Zwecke |
| DE3328862A1 (de) * | 1982-09-16 | 1985-02-28 | Siemens AG, 1000 Berlin und 8000 München | Verfahren und vorrichtung zur gewebefotometrie, insbesondere zur quantitativen ermittlung der blut-sauerstoff-saettigung aus fotometrischen messwerten |
| JP2898489B2 (ja) * | 1991-12-17 | 1999-06-02 | アー・フアウ・エル・メデイカル・インストルメンツ・アクチエンゲゼルシヤフト | 分光光度分析のための装置 |
| US5355880A (en) * | 1992-07-06 | 1994-10-18 | Sandia Corporation | Reliable noninvasive measurement of blood gases |
| AU5180499A (en) * | 1998-08-13 | 2000-03-06 | Whitland Research Limited | Optical device |
-
2003
- 2003-09-26 GB GB0322545A patent/GB0322545D0/en not_active Ceased
-
2004
- 2004-09-24 EP EP04784948A patent/EP1670355A1/en not_active Withdrawn
- 2004-09-24 JP JP2006528188A patent/JP2007506522A/ja active Pending
- 2004-09-24 WO PCT/US2004/031321 patent/WO2005030049A1/en active Application Filing
- 2004-09-24 AU AU2004275800A patent/AU2004275800A1/en not_active Abandoned
- 2004-09-24 CA CA002538571A patent/CA2538571A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| GB0322545D0 (en) | 2003-10-29 |
| WO2005030049A1 (en) | 2005-04-07 |
| AU2004275800A1 (en) | 2005-04-07 |
| EP1670355A1 (en) | 2006-06-21 |
| JP2007506522A (ja) | 2007-03-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued | ||
| FZDE | Discontinued |
Effective date: 20110926 |