WO2005082241A1 - Oximeter cross-talk reduction - Google Patents
Oximeter cross-talk reduction Download PDFInfo
- Publication number
- WO2005082241A1 WO2005082241A1 PCT/US2005/006316 US2005006316W WO2005082241A1 WO 2005082241 A1 WO2005082241 A1 WO 2005082241A1 US 2005006316 W US2005006316 W US 2005006316W WO 2005082241 A1 WO2005082241 A1 WO 2005082241A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- signal
- cross
- talk
- red
- oximeter
- 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
-
- 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
- A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
-
- 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
- A61B5/725—Details of waveform analysis using specific filters therefor, e.g. Kalman or adaptive filters
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Signal Processing (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Psychiatry (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physiology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Optics & Photonics (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05731575A EP1722677A1 (en) | 2004-02-25 | 2005-02-24 | Oximeter cross-talk reduction |
MXPA06009756A MXPA06009756A (en) | 2004-02-25 | 2005-02-24 | Oximeter cross-talk reduction. |
JP2007500780A JP4701235B2 (en) | 2004-02-25 | 2005-02-24 | Oxygen concentration meter crosstalk reduction |
AU2005216981A AU2005216981A1 (en) | 2004-02-25 | 2005-02-24 | Oximeter cross-talk reduction |
CA002556744A CA2556744A1 (en) | 2004-02-25 | 2005-02-24 | Oximeter cross-talk reduction |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/787,541 US7215985B2 (en) | 2004-02-25 | 2004-02-25 | Oximeter cross-talk reduction |
US10/787,541 | 2004-02-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005082241A1 true WO2005082241A1 (en) | 2005-09-09 |
Family
ID=34861915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2005/006316 WO2005082241A1 (en) | 2004-02-25 | 2005-02-24 | Oximeter cross-talk reduction |
Country Status (8)
Country | Link |
---|---|
US (1) | US7215985B2 (en) |
EP (1) | EP1722677A1 (en) |
JP (1) | JP4701235B2 (en) |
CN (1) | CN1937952A (en) |
AU (1) | AU2005216981A1 (en) |
CA (1) | CA2556744A1 (en) |
MX (1) | MXPA06009756A (en) |
WO (1) | WO2005082241A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3406194A1 (en) * | 2017-05-23 | 2018-11-28 | Ams Ag | Circuit arrangement for an optical monitoring system and method for optical monitoring |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006094168A1 (en) | 2005-03-01 | 2006-09-08 | Masimo Laboratories, Inc. | Noninvasive multi-parameter patient monitor |
US7400310B2 (en) * | 2005-11-28 | 2008-07-15 | Draeger Medical Systems, Inc. | Pulse signal drive circuit |
US8265724B2 (en) | 2007-03-09 | 2012-09-11 | Nellcor Puritan Bennett Llc | Cancellation of light shunting |
US20080221418A1 (en) * | 2007-03-09 | 2008-09-11 | Masimo Corporation | Noninvasive multi-parameter patient monitor |
EP2139383B1 (en) | 2007-03-27 | 2013-02-13 | Masimo Laboratories, Inc. | Multiple wavelength optical sensor |
US8374665B2 (en) | 2007-04-21 | 2013-02-12 | Cercacor Laboratories, Inc. | Tissue profile wellness monitor |
US8204567B2 (en) * | 2007-12-13 | 2012-06-19 | Nellcor Puritan Bennett Llc | Signal demodulation |
US8380272B2 (en) * | 2007-12-21 | 2013-02-19 | Covidien Lp | Physiological sensor |
US8366613B2 (en) | 2007-12-26 | 2013-02-05 | Covidien Lp | LED drive circuit for pulse oximetry and method for using same |
US8750954B2 (en) * | 2008-03-31 | 2014-06-10 | Covidien Lp | Medical monitoring patch device and methods |
US20090247846A1 (en) * | 2008-04-01 | 2009-10-01 | General Electric Company | Pulse oximeter with reduced cross talk effects |
US20100004518A1 (en) | 2008-07-03 | 2010-01-07 | Masimo Laboratories, Inc. | Heat sink for noninvasive medical sensor |
US8630691B2 (en) | 2008-08-04 | 2014-01-14 | Cercacor Laboratories, Inc. | Multi-stream sensor front ends for noninvasive measurement of blood constituents |
US20100087714A1 (en) * | 2008-10-03 | 2010-04-08 | Nellcor Puritan Bennett Ireland | Reducing cross-talk in a measurement system |
US9404961B2 (en) * | 2008-12-09 | 2016-08-02 | Covidien Lp | System and method of determining light source aging |
US8636667B2 (en) * | 2009-07-06 | 2014-01-28 | Nellcor Puritan Bennett Ireland | Systems and methods for processing physiological signals in wavelet space |
US8494786B2 (en) | 2009-07-30 | 2013-07-23 | Covidien Lp | Exponential sampling of red and infrared signals |
US9066660B2 (en) | 2009-09-29 | 2015-06-30 | Nellcor Puritan Bennett Ireland | Systems and methods for high-pass filtering a photoplethysmograph signal |
US9839381B1 (en) | 2009-11-24 | 2017-12-12 | Cercacor Laboratories, Inc. | Physiological measurement system with automatic wavelength adjustment |
US8801613B2 (en) | 2009-12-04 | 2014-08-12 | Masimo Corporation | Calibration for multi-stage physiological monitors |
US20120229800A1 (en) * | 2011-03-08 | 2012-09-13 | Fluke Corporation | Pulse oximeter test instruments and methods |
US10568530B2 (en) | 2015-06-27 | 2020-02-25 | Intel Corporation | Apparatus and method for tracking and cancelling DC offset to acquire small AC signal |
US10541652B2 (en) | 2015-06-27 | 2020-01-21 | Intel Corporation | Apparatus and method for filter settling calibration to improve speed of tracking and cancelling of DC offset |
US11143750B2 (en) | 2015-10-22 | 2021-10-12 | Ams Sensors Singapore Pte. Ltd. | Optical crosstalk calibration for ranging systems |
US10231632B2 (en) * | 2016-02-22 | 2019-03-19 | Intel Corporation | Apparatus and method for tracking and cancelling DC offset to acquire small AC signal using dual feedback loops |
CN109157207A (en) * | 2018-08-23 | 2019-01-08 | 深圳北芯生命科技有限公司 | Cross-interference elimination device and method based on FFR measurement |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4942877A (en) * | 1986-09-05 | 1990-07-24 | Minolta Camera Kabushiki Kaisha | Device for measuring oxygen saturation degree in arterial blood |
US5995858A (en) | 1997-11-07 | 1999-11-30 | Datascope Investment Corp. | Pulse oximeter |
US20010002206A1 (en) * | 1997-04-14 | 2001-05-31 | Diab Mohamed K. | Method and apparatus for demodulating signals in a pulse oximetry system |
US6505133B1 (en) * | 2000-11-15 | 2003-01-07 | Datex-Ohmeda, Inc. | Simultaneous signal attenuation measurements utilizing code division multiplexing |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4934372A (en) * | 1985-04-01 | 1990-06-19 | Nellcor Incorporated | Method and apparatus for detecting optical pulses |
US4928692A (en) * | 1985-04-01 | 1990-05-29 | Goodman David E | Method and apparatus for detecting optical pulses |
US4911167A (en) * | 1985-06-07 | 1990-03-27 | Nellcor Incorporated | Method and apparatus for detecting optical pulses |
US4802486A (en) * | 1985-04-01 | 1989-02-07 | Nellcor Incorporated | Method and apparatus for detecting optical pulses |
US5351685A (en) * | 1991-08-05 | 1994-10-04 | Nellcor Incorporated | Condensed oximeter system with noise reduction software |
US5368224A (en) * | 1992-10-23 | 1994-11-29 | Nellcor Incorporated | Method for reducing ambient noise effects in electronic monitoring instruments |
US5368026A (en) * | 1993-03-26 | 1994-11-29 | Nellcor Incorporated | Oximeter with motion detection for alarm modification |
US5746697A (en) * | 1996-02-09 | 1998-05-05 | Nellcor Puritan Bennett Incorporated | Medical diagnostic apparatus with sleep mode |
JP3521662B2 (en) * | 1996-12-04 | 2004-04-19 | 松下電器産業株式会社 | Blood glucose meter |
US5921921A (en) * | 1996-12-18 | 1999-07-13 | Nellcor Puritan-Bennett | Pulse oximeter with sigma-delta converter |
JPH11216133A (en) * | 1998-02-04 | 1999-08-10 | Nippon Koden Corp | Method and device for pulse oximetry removed in body movement noise |
US6226539B1 (en) * | 1999-05-26 | 2001-05-01 | Mallinckrodt, Inc. | Pulse oximeter having a low power led drive |
-
2004
- 2004-02-25 US US10/787,541 patent/US7215985B2/en active Active
-
2005
- 2005-02-24 MX MXPA06009756A patent/MXPA06009756A/en not_active Application Discontinuation
- 2005-02-24 EP EP05731575A patent/EP1722677A1/en not_active Withdrawn
- 2005-02-24 CA CA002556744A patent/CA2556744A1/en not_active Abandoned
- 2005-02-24 WO PCT/US2005/006316 patent/WO2005082241A1/en active Application Filing
- 2005-02-24 JP JP2007500780A patent/JP4701235B2/en not_active Expired - Fee Related
- 2005-02-24 CN CNA2005800058586A patent/CN1937952A/en active Pending
- 2005-02-24 AU AU2005216981A patent/AU2005216981A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4942877A (en) * | 1986-09-05 | 1990-07-24 | Minolta Camera Kabushiki Kaisha | Device for measuring oxygen saturation degree in arterial blood |
US20010002206A1 (en) * | 1997-04-14 | 2001-05-31 | Diab Mohamed K. | Method and apparatus for demodulating signals in a pulse oximetry system |
US5995858A (en) | 1997-11-07 | 1999-11-30 | Datascope Investment Corp. | Pulse oximeter |
US6505133B1 (en) * | 2000-11-15 | 2003-01-07 | Datex-Ohmeda, Inc. | Simultaneous signal attenuation measurements utilizing code division multiplexing |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3406194A1 (en) * | 2017-05-23 | 2018-11-28 | Ams Ag | Circuit arrangement for an optical monitoring system and method for optical monitoring |
WO2018215240A1 (en) * | 2017-05-23 | 2018-11-29 | Ams Ag | Circuit arrangement for an optical monitoring system and method for optical monitoring |
US11344234B2 (en) | 2017-05-23 | 2022-05-31 | Ams Ag | Circuit arrangement for an optical monitoring system and method for optical monitoring |
Also Published As
Publication number | Publication date |
---|---|
EP1722677A1 (en) | 2006-11-22 |
AU2005216981A1 (en) | 2005-09-09 |
CA2556744A1 (en) | 2005-09-09 |
JP2007523715A (en) | 2007-08-23 |
US7215985B2 (en) | 2007-05-08 |
JP4701235B2 (en) | 2011-06-15 |
US20050187452A1 (en) | 2005-08-25 |
CN1937952A (en) | 2007-03-28 |
MXPA06009756A (en) | 2007-03-30 |
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