WO2010143208A3 - Oxymètre temporal - Google Patents
Oxymètre temporal Download PDFInfo
- Publication number
- WO2010143208A3 WO2010143208A3 PCT/IS2010/050004 IS2010050004W WO2010143208A3 WO 2010143208 A3 WO2010143208 A3 WO 2010143208A3 IS 2010050004 W IS2010050004 W IS 2010050004W WO 2010143208 A3 WO2010143208 A3 WO 2010143208A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- images
- group
- oxygen saturation
- oximeter
- temporal
- Prior art date
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
- A61B5/14555—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 the eye fundus
-
- 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
- A61B5/14535—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 for measuring haematocrit
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7235—Details of waveform analysis
- A61B5/7253—Details of waveform analysis characterised by using transforms
- A61B5/726—Details of waveform analysis characterised by using transforms using Wavelet transforms
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Optics & Photonics (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
L'invention concerne un procédé et un dispositif de détection de changements de la saturation en oxygène rétinien dans le temps. Le procédé consiste à capturer un premier groupe d'images d'au moins deux longueurs d'ondes, à calculer la saturation en oxygène d'un vaisseau dans le premier groupe d'images, à enregistrer le premier groupe d'images dans un dispositif d'enregistrement de données, à capturer un deuxième groupe d'images d'au moins deux longueurs d'ondes, à calculer la saturation en oxygène d'un vaisseau dans le deuxième groupe d'images, à enregistrer le deuxième groupe d'images dans un dispositif d'enregistrement de données, à enregistrer spatialement la paire de groupes d'images capturés à des instants différents et à calculer le changement de la saturation en oxygène.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10742039.0A EP2459066B8 (fr) | 2009-06-12 | 2010-06-11 | Oxymètre temporal |
ES10742039.0T ES2529709T3 (es) | 2009-06-12 | 2010-06-11 | Oxímetro temporal |
US13/377,749 US9579052B2 (en) | 2009-06-12 | 2010-06-11 | Temporal oximeter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IS8831 | 2009-06-12 | ||
IS8831 | 2009-06-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2010143208A2 WO2010143208A2 (fr) | 2010-12-16 |
WO2010143208A3 true WO2010143208A3 (fr) | 2011-06-16 |
Family
ID=43309303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IS2010/050004 WO2010143208A2 (fr) | 2009-06-12 | 2010-06-11 | Oxymètre temporal |
Country Status (4)
Country | Link |
---|---|
US (1) | US9579052B2 (fr) |
EP (1) | EP2459066B8 (fr) |
ES (1) | ES2529709T3 (fr) |
WO (1) | WO2010143208A2 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9579052B2 (en) * | 2009-06-12 | 2017-02-28 | Oxymap Ehf. | Temporal oximeter |
WO2017100685A1 (fr) | 2015-12-10 | 2017-06-15 | Bioxytech Retina, Inc. | Procédés et appareil de mesure de l'oxygénation sanguine des tissus |
IT201800011113A1 (it) * | 2018-12-14 | 2020-06-14 | Univ Degli Studi Di Bari Aldo Moro | Dispositivo Point-of-Care per diagnosi rapida di intossicazione |
US20220202325A1 (en) * | 2020-12-31 | 2022-06-30 | Bioxytech Retina, Inc. | Methods and devices for measuring structural and functional properties of tissue |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2378600A (en) * | 2001-08-06 | 2003-02-12 | Patrick Kerr | Retinal function camera to determine retinal blood oxygenation. |
EP1611840A1 (fr) * | 2004-06-29 | 2006-01-04 | Patrick Kerr | Analyse du métabolisme rétinien pour au moins une partie d'un cycle cardiaque |
US20070232930A1 (en) * | 2005-04-04 | 2007-10-04 | Jenny Freeman | Hyperspectral Imaging in Diabetes and Peripheral Vascular Disease |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6198532B1 (en) * | 1991-02-22 | 2001-03-06 | Applied Spectral Imaging Ltd. | Spectral bio-imaging of the eye |
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 |
US5868134A (en) * | 1993-09-21 | 1999-02-09 | Kabushiki Kaisha Topcon | Retinal disease analyzer |
US5776060A (en) * | 1997-02-20 | 1998-07-07 | University Of Alabama In Huntsville | Method and apparatus for measuring blood oxygen saturation within a retinal vessel with light having several selected wavelengths |
US6285780B1 (en) * | 1997-03-28 | 2001-09-04 | Oki Electric Industry Co., Ltd. | Apparatus for identifying individual animals and image processing method |
US6569104B2 (en) * | 1998-07-16 | 2003-05-27 | Canon Kabushiki Kaisha | Blood vessel detecting apparatus |
US6276798B1 (en) * | 1998-09-29 | 2001-08-21 | Applied Spectral Imaging, Ltd. | Spectral bio-imaging of the eye |
US6244712B1 (en) * | 1999-09-27 | 2001-06-12 | University Of Alabama In Huntsville | Optical scanning spectroscopic apparatus and associated method |
GB2375679A (en) | 2001-04-09 | 2002-11-20 | Patrick Kerr | Retinal function camera using plural light wavelengths to produce a retinal function image showing haemoglobin oxygenation. |
US6728561B2 (en) * | 2001-08-14 | 2004-04-27 | University Of Alabama In Huntsville | Multispectral image processing method, apparatus and computer program product for determining the blood oxygen saturation in a vessel |
US7774036B2 (en) * | 2005-06-07 | 2010-08-10 | Oxymap Ehf | Automatic registration of images |
US7904130B2 (en) * | 2005-09-29 | 2011-03-08 | Nellcor Puritan Bennett Llc | Medical sensor and technique for using the same |
JP2007241500A (ja) * | 2006-03-07 | 2007-09-20 | Toshiba Corp | 顔認証装置および顔認証方法 |
DE602007010433D1 (de) * | 2006-03-13 | 2010-12-23 | Given Imaging Ltd | Kaskadenanalyse zur darmkontraktionsdetektion |
US20080312552A1 (en) * | 2007-06-18 | 2008-12-18 | Qienyuan Zhou | Method to detect change in tissue measurements |
US8403862B2 (en) * | 2007-12-20 | 2013-03-26 | Yeda Research And Development Co. Ltd. | Time-based imaging |
US9579052B2 (en) * | 2009-06-12 | 2017-02-28 | Oxymap Ehf. | Temporal oximeter |
US8135222B2 (en) * | 2009-08-20 | 2012-03-13 | Xerox Corporation | Generation of video content from image sets |
US20130324810A1 (en) * | 2012-06-01 | 2013-12-05 | Yuri Gelland | Cerebral and Retinal Perfusion Monitoring Systems and Devices |
-
2010
- 2010-06-11 US US13/377,749 patent/US9579052B2/en active Active
- 2010-06-11 EP EP10742039.0A patent/EP2459066B8/fr active Active
- 2010-06-11 WO PCT/IS2010/050004 patent/WO2010143208A2/fr active Application Filing
- 2010-06-11 ES ES10742039.0T patent/ES2529709T3/es active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2378600A (en) * | 2001-08-06 | 2003-02-12 | Patrick Kerr | Retinal function camera to determine retinal blood oxygenation. |
EP1611840A1 (fr) * | 2004-06-29 | 2006-01-04 | Patrick Kerr | Analyse du métabolisme rétinien pour au moins une partie d'un cycle cardiaque |
US20070232930A1 (en) * | 2005-04-04 | 2007-10-04 | Jenny Freeman | Hyperspectral Imaging in Diabetes and Peripheral Vascular Disease |
Non-Patent Citations (3)
Title |
---|
DELORI F C: "NONINVASIVE TECHNIQUE FOR OXIMETRY OF BLOOD IN RETINAL VESSELS", APPLIED OPTICS, OPTICAL SOCIETY OF AMERICA, US, vol. 27, no. 6, 15 March 1988 (1988-03-15), pages 1113 - 1125, XP002061910, ISSN: 0003-6935, DOI: DOI:10.1364/AO.27.001113 * |
HAMMER MARTIN ET AL: "Retinal vessel oximetry-calibration, compensation for vessel diameter and fundus pigmentation, and reproducibility.", JOURNAL OF BIOMEDICAL OPTICS 2008 SEP-OCT LNKD- PUBMED:19021395, vol. 13, no. 5, 054015, September 2008 (2008-09-01), pages 1 - 7, XP002629724, ISSN: 1083-3668 * |
NARASIMHA-IYER HARIHAR ET AL: "Algorithms for automated oximetry along the retinal vascular tree from dual-wavelength fundus images.", JOURNAL OF BIOMEDICAL OPTICS 2005 SEP-OCT LNKD- PUBMED:16292973, vol. 10, no. 5, 054013, September 2005 (2005-09-01), pages 1 - 15, XP002629723, ISSN: 1083-3668 * |
Also Published As
Publication number | Publication date |
---|---|
EP2459066B1 (fr) | 2014-12-31 |
ES2529709T3 (es) | 2015-02-24 |
EP2459066B8 (fr) | 2015-09-30 |
EP2459066A2 (fr) | 2012-06-06 |
WO2010143208A2 (fr) | 2010-12-16 |
US9579052B2 (en) | 2017-02-28 |
US20120093389A1 (en) | 2012-04-19 |
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