WO2003022141A1 - A signal processing method and device for signal-to-noise improvement - Google Patents
A signal processing method and device for signal-to-noise improvement Download PDFInfo
- Publication number
- WO2003022141A1 WO2003022141A1 PCT/US2001/032282 US0132282W WO03022141A1 WO 2003022141 A1 WO2003022141 A1 WO 2003022141A1 US 0132282 W US0132282 W US 0132282W WO 03022141 A1 WO03022141 A1 WO 03022141A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- signal
- component
- signal component
- measured
- set forth
- 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
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/053—Measuring electrical impedance or conductance of a portion of the body
- A61B5/0535—Impedance plethysmography
-
- 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
-
- 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
- A61B5/7239—Details of waveform analysis using differentiation including higher order derivatives
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK01981641T DK1424934T3 (en) | 2001-09-13 | 2001-10-15 | Signal processing method and device for improving signal-to-noise ratio |
DE60135256T DE60135256D1 (en) | 2001-09-13 | 2001-10-15 | SIGNAL PROCESSING AND DEVICE FOR VERBESS |
IL16085701A IL160857A0 (en) | 2001-09-13 | 2001-10-15 | A signal processing method and device for signal-to-noise improvement |
AU2002213271A AU2002213271B2 (en) | 2001-09-13 | 2001-10-15 | A signal processing method and device for signal-to-noise improvement |
CA2460336A CA2460336C (en) | 2001-09-13 | 2001-10-15 | A signal processing method and device for signal-to-noise improvement |
EP01981641A EP1424934B1 (en) | 2001-09-13 | 2001-10-15 | A signal processing method and device for signal-to-noise improvement |
JP2003526274A JP2005516642A (en) | 2001-09-13 | 2001-10-15 | Signal processing method and apparatus for improving signal-to-noise ratio |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL145445A IL145445A (en) | 2001-09-13 | 2001-09-13 | Signal processing method and device for signal-to-noise improvement |
IL145445 | 2001-09-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003022141A1 true WO2003022141A1 (en) | 2003-03-20 |
Family
ID=11075786
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2001/032282 WO2003022141A1 (en) | 2001-09-13 | 2001-10-15 | A signal processing method and device for signal-to-noise improvement |
Country Status (13)
Country | Link |
---|---|
US (3) | US6658277B2 (en) |
EP (1) | EP1424934B1 (en) |
JP (2) | JP2005516642A (en) |
CN (1) | CN100500083C (en) |
AT (1) | ATE403396T1 (en) |
AU (1) | AU2002213271B2 (en) |
CA (1) | CA2460336C (en) |
DE (1) | DE60135256D1 (en) |
DK (1) | DK1424934T3 (en) |
ES (1) | ES2311028T3 (en) |
IL (1) | IL145445A (en) |
PT (1) | PT1424934E (en) |
WO (1) | WO2003022141A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006526460A (en) * | 2003-03-12 | 2006-11-24 | イエール ユニバーシティ | Blood volume evaluation method using photoelectric volumetric pulse wave method |
CN100349009C (en) * | 2004-12-29 | 2007-11-14 | 中国石油天然气集团公司 | Method for shifting depth before superposition in seismic data process of undulating the earth's surface |
CN100349005C (en) * | 2004-12-29 | 2007-11-14 | 中国石油天然气集团公司 | Method for shifting depth before superposition in combined earthquake data from multiple times of shooting |
CN111024569A (en) * | 2019-10-18 | 2020-04-17 | 重庆邮电大学 | Calibration method of abrasive particle detection sensor and storage medium thereof |
Families Citing this family (269)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5638818A (en) | 1991-03-21 | 1997-06-17 | Masimo Corporation | Low noise optical probe |
US7758503B2 (en) * | 1997-01-27 | 2010-07-20 | Lynn Lawrence A | Microprocessor system for the analysis of physiologic and financial datasets |
US6018673A (en) | 1996-10-10 | 2000-01-25 | Nellcor Puritan Bennett Incorporated | Motion compatible sensor for non-invasive optical blood analysis |
US8932227B2 (en) * | 2000-07-28 | 2015-01-13 | Lawrence A. Lynn | System and method for CO2 and oximetry integration |
US9468378B2 (en) | 1997-01-27 | 2016-10-18 | Lawrence A. Lynn | Airway instability detection system and method |
US9042952B2 (en) | 1997-01-27 | 2015-05-26 | Lawrence A. Lynn | System and method for automatic detection of a plurality of SPO2 time series pattern types |
US20070191697A1 (en) | 2006-02-10 | 2007-08-16 | Lynn Lawrence A | System and method for SPO2 instability detection and quantification |
US9521971B2 (en) | 1997-07-14 | 2016-12-20 | Lawrence A. Lynn | System and method for automatic detection of a plurality of SPO2 time series pattern types |
US6675031B1 (en) | 1999-04-14 | 2004-01-06 | Mallinckrodt Inc. | Method and circuit for indicating quality and accuracy of physiological measurements |
US20060195041A1 (en) * | 2002-05-17 | 2006-08-31 | Lynn Lawrence A | Centralized hospital monitoring system for automatically detecting upper airway instability and for preventing and aborting adverse drug reactions |
US9053222B2 (en) | 2002-05-17 | 2015-06-09 | Lawrence A. Lynn | Patient safety processor |
US20090281838A1 (en) * | 2008-05-07 | 2009-11-12 | Lawrence A. Lynn | Medical failure pattern search engine |
US20070093721A1 (en) * | 2001-05-17 | 2007-04-26 | Lynn Lawrence A | Microprocessor system for the analysis of physiologic and financial datasets |
US6850787B2 (en) | 2001-06-29 | 2005-02-01 | Masimo Laboratories, Inc. | Signal component processor |
US6754516B2 (en) * | 2001-07-19 | 2004-06-22 | Nellcor Puritan Bennett Incorporated | Nuisance alarm reductions in a physiological monitor |
IL145445A (en) * | 2001-09-13 | 2006-12-31 | Conmed Corp | Signal processing method and device for signal-to-noise improvement |
US6748254B2 (en) | 2001-10-12 | 2004-06-08 | Nellcor Puritan Bennett Incorporated | Stacked adhesive optical sensor |
US6822564B2 (en) | 2002-01-24 | 2004-11-23 | Masimo Corporation | Parallel measurement alarm processor |
US7355512B1 (en) | 2002-01-24 | 2008-04-08 | Masimo Corporation | Parallel alarm processor |
US6850788B2 (en) | 2002-03-25 | 2005-02-01 | Masimo Corporation | Physiological measurement communications adapter |
US7841932B2 (en) | 2002-05-03 | 2010-11-30 | Amir Sadri | Method of playing a game of chance and point of sale system for facilitating the play thereof |
US20080200775A1 (en) * | 2007-02-20 | 2008-08-21 | Lynn Lawrence A | Maneuver-based plethysmographic pulse variation detection system and method |
ATE479343T1 (en) * | 2002-10-01 | 2010-09-15 | Nellcor Puritan Bennett Inc | USE OF A HEADBAND FOR VOLTAGE DISPLAY AND SYSTEM OF OXYMETER AND HEADBAND |
US7698909B2 (en) | 2002-10-01 | 2010-04-20 | Nellcor Puritan Bennett Llc | Headband with tension indicator |
US7190986B1 (en) | 2002-10-18 | 2007-03-13 | Nellcor Puritan Bennett Inc. | Non-adhesive oximeter sensor for sensitive skin |
US7006856B2 (en) * | 2003-01-10 | 2006-02-28 | Nellcor Puritan Bennett Incorporated | Signal quality metrics design for qualifying data for a physiological monitor |
US7016715B2 (en) | 2003-01-13 | 2006-03-21 | Nellcorpuritan Bennett Incorporated | Selection of preset filter parameters based on signal quality |
US7047056B2 (en) | 2003-06-25 | 2006-05-16 | Nellcor Puritan Bennett Incorporated | Hat-based oximeter sensor |
US7455643B1 (en) | 2003-07-07 | 2008-11-25 | Nellcor Puritan Bennett Ireland | Continuous non-invasive blood pressure measurement apparatus and methods providing automatic recalibration |
US8412297B2 (en) * | 2003-10-01 | 2013-04-02 | Covidien Lp | Forehead sensor placement |
US7120479B2 (en) | 2004-02-25 | 2006-10-10 | Nellcor Puritan Bennett Inc. | Switch-mode oximeter LED drive with a single inductor |
US7190985B2 (en) * | 2004-02-25 | 2007-03-13 | Nellcor Puritan Bennett Inc. | Oximeter ambient light cancellation |
US7534212B2 (en) * | 2004-03-08 | 2009-05-19 | Nellcor Puritan Bennett Llc | Pulse oximeter with alternate heart-rate determination |
US7194293B2 (en) * | 2004-03-08 | 2007-03-20 | Nellcor Puritan Bennett Incorporated | Selection of ensemble averaging weights for a pulse oximeter based on signal quality metrics |
US7277741B2 (en) * | 2004-03-09 | 2007-10-02 | Nellcor Puritan Bennett Incorporated | Pulse oximetry motion artifact rejection using near infrared absorption by water |
US7222624B2 (en) * | 2004-07-02 | 2007-05-29 | Praxair Technology, Inc. | Dual sensor oxygen therapy device |
US7976472B2 (en) * | 2004-09-07 | 2011-07-12 | Masimo Corporation | Noninvasive hypovolemia monitor |
US7341560B2 (en) * | 2004-10-05 | 2008-03-11 | Rader, Fishman & Grauer Pllc | Apparatuses and methods for non-invasively monitoring blood parameters |
WO2006094168A1 (en) | 2005-03-01 | 2006-09-08 | Masimo Laboratories, Inc. | Noninvasive multi-parameter patient monitor |
US7392075B2 (en) | 2005-03-03 | 2008-06-24 | Nellcor Puritan Bennett Incorporated | Method for enhancing pulse oximetry calculations in the presence of correlated artifacts |
CN100450437C (en) * | 2005-03-10 | 2009-01-14 | 深圳迈瑞生物医疗电子股份有限公司 | Method of measuring blood oxygen under low filling |
US20060224053A1 (en) * | 2005-03-30 | 2006-10-05 | Skyline Biomedical, Inc. | Apparatus and method for non-invasive and minimally-invasive sensing of venous oxygen saturation and pH levels |
US7657295B2 (en) | 2005-08-08 | 2010-02-02 | Nellcor Puritan Bennett Llc | 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 |
US7590439B2 (en) * | 2005-08-08 | 2009-09-15 | Nellcor Puritan Bennett Llc | Bi-stable medical sensor and technique for using the same |
EP2260756A1 (en) | 2005-08-09 | 2010-12-15 | Flore, Ingo | Medical measuring device |
US20070060808A1 (en) | 2005-09-12 | 2007-03-15 | Carine Hoarau | Medical sensor for reducing motion artifacts and technique for using the same |
US7869850B2 (en) | 2005-09-29 | 2011-01-11 | Nellcor Puritan Bennett Llc | Medical sensor for reducing motion artifacts and technique for using the same |
US7725147B2 (en) | 2005-09-29 | 2010-05-25 | Nellcor Puritan Bennett Llc | System and method for removing artifacts from waveforms |
US8092379B2 (en) | 2005-09-29 | 2012-01-10 | Nellcor Puritan Bennett Llc | Method and system for determining when to reposition a physiological sensor |
US7904130B2 (en) | 2005-09-29 | 2011-03-08 | Nellcor Puritan Bennett Llc | Medical sensor and technique for using the same |
US7725146B2 (en) | 2005-09-29 | 2010-05-25 | Nellcor Puritan Bennett Llc | System and method for pre-processing waveforms |
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 |
US8062221B2 (en) | 2005-09-30 | 2011-11-22 | Nellcor Puritan Bennett Llc | Sensor for tissue gas detection and technique for using the same |
US7483731B2 (en) | 2005-09-30 | 2009-01-27 | Nellcor Puritan Bennett Llc | Medical sensor 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 |
US7881762B2 (en) | 2005-09-30 | 2011-02-01 | Nellcor Puritan Bennett Llc | Clip-style medical sensor and technique for using the same |
US7555327B2 (en) * | 2005-09-30 | 2009-06-30 | Nellcor Puritan Bennett Llc | Folding medical sensor and technique for using the same |
US20070106126A1 (en) | 2005-09-30 | 2007-05-10 | Mannheimer Paul D | Patient monitoring alarm escalation system and method |
US8005523B2 (en) * | 2005-09-30 | 2011-08-23 | Conmed Corporation | Signal processing for pulse oximetry |
US20070100220A1 (en) * | 2005-10-28 | 2007-05-03 | Baker Clark R Jr | Adjusting parameters used in pulse oximetry analysis |
US20070185393A1 (en) * | 2006-02-03 | 2007-08-09 | Triage Wireless, Inc. | System for measuring vital signs using an optical module featuring a green light source |
US7668579B2 (en) | 2006-02-10 | 2010-02-23 | Lynn Lawrence A | System and method for the detection of physiologic response to stimulation |
US20070208259A1 (en) * | 2006-03-06 | 2007-09-06 | Mannheimer Paul D | Patient monitoring alarm escalation system and method |
US8702606B2 (en) * | 2006-03-21 | 2014-04-22 | Covidien Lp | Patient monitoring help video system and method |
US8073518B2 (en) | 2006-05-02 | 2011-12-06 | Nellcor Puritan Bennett Llc | Clip-style medical sensor and technique for using the same |
US20070260151A1 (en) * | 2006-05-03 | 2007-11-08 | Clifford Gari D | Method and device for filtering, segmenting, compressing and classifying oscillatory signals |
US20070282181A1 (en) * | 2006-06-01 | 2007-12-06 | Carol Findlay | Visual medical sensor indicator |
US8380271B2 (en) | 2006-06-15 | 2013-02-19 | Covidien Lp | System and method for generating customizable audible beep tones and alarms |
US20070299323A1 (en) * | 2006-06-27 | 2007-12-27 | Martijn Wilco Arns | Apparatus for measuring one or more physiological functions of a body and a method using the same |
US8145288B2 (en) | 2006-08-22 | 2012-03-27 | Nellcor Puritan Bennett Llc | Medical sensor for reducing signal artifacts and technique for using the same |
US20080064940A1 (en) * | 2006-09-12 | 2008-03-13 | Raridan William B | Sensor cable design for use with spectrophotometric sensors and method of using the same |
US8219170B2 (en) | 2006-09-20 | 2012-07-10 | Nellcor Puritan Bennett Llc | System and method for practicing spectrophotometry using light emitting nanostructure devices |
US8064975B2 (en) | 2006-09-20 | 2011-11-22 | Nellcor Puritan Bennett Llc | System and method for probability based determination of estimated oxygen saturation |
US8396527B2 (en) | 2006-09-22 | 2013-03-12 | Covidien Lp | Medical sensor for reducing signal artifacts and technique for using the same |
US8195264B2 (en) | 2006-09-22 | 2012-06-05 | Nellcor Puritan Bennett Llc | Medical sensor for reducing signal artifacts and technique for using the same |
US8175671B2 (en) | 2006-09-22 | 2012-05-08 | Nellcor Puritan Bennett Llc | Medical sensor for reducing signal artifacts and technique for using the same |
US7869849B2 (en) | 2006-09-26 | 2011-01-11 | Nellcor Puritan Bennett Llc | Opaque, electrically nonconductive region on a medical sensor |
WO2008039187A1 (en) * | 2006-09-26 | 2008-04-03 | Woolsthorpe Technologies, Llc | Method and apparatus for processing signals reflecting physiological characteristics |
US20080076977A1 (en) * | 2006-09-26 | 2008-03-27 | Nellcor Puritan Bennett Inc. | Patient monitoring device snapshot feature system and method |
US8696593B2 (en) | 2006-09-27 | 2014-04-15 | Covidien Lp | Method and system for monitoring intracranial pressure |
US7574245B2 (en) * | 2006-09-27 | 2009-08-11 | Nellcor Puritan Bennett Llc | Flexible medical sensor enclosure |
US7922665B2 (en) | 2006-09-28 | 2011-04-12 | Nellcor Puritan Bennett Llc | System and method for pulse rate calculation using a scheme for alternate weighting |
US7890153B2 (en) | 2006-09-28 | 2011-02-15 | Nellcor Puritan Bennett Llc | System and method for mitigating interference in pulse oximetry |
US7796403B2 (en) | 2006-09-28 | 2010-09-14 | Nellcor Puritan Bennett Llc | Means for mechanical registration and mechanical-electrical coupling of a faraday shield to a photodetector and an electrical circuit |
US8175667B2 (en) | 2006-09-29 | 2012-05-08 | Nellcor Puritan Bennett Llc | Symmetric LED array for pulse oximetry |
US8728059B2 (en) * | 2006-09-29 | 2014-05-20 | Covidien Lp | System and method for assuring validity of monitoring parameter in combination with a therapeutic device |
US8160668B2 (en) * | 2006-09-29 | 2012-04-17 | Nellcor Puritan Bennett Llc | Pathological condition detector using kernel methods and oximeters |
US7476131B2 (en) | 2006-09-29 | 2009-01-13 | Nellcor Puritan Bennett Llc | Device for reducing crosstalk |
US7925511B2 (en) * | 2006-09-29 | 2011-04-12 | Nellcor Puritan Bennett Llc | System and method for secure voice identification in a medical device |
US20080082338A1 (en) * | 2006-09-29 | 2008-04-03 | O'neil Michael P | Systems and methods for secure voice identification and medical device interface |
US7698002B2 (en) * | 2006-09-29 | 2010-04-13 | Nellcor Puritan Bennett Llc | Systems and methods for user interface and identification in a medical device |
US7684842B2 (en) | 2006-09-29 | 2010-03-23 | Nellcor Puritan Bennett Llc | System and method for preventing sensor misuse |
US20080081956A1 (en) * | 2006-09-29 | 2008-04-03 | Jayesh Shah | System and method for integrating voice with a medical device |
US20080097175A1 (en) * | 2006-09-29 | 2008-04-24 | Boyce Robin S | System and method for display control of patient monitor |
US7848891B2 (en) | 2006-09-29 | 2010-12-07 | Nellcor Puritan Bennett Llc | Modulation ratio determination with accommodation of uncertainty |
US8068891B2 (en) | 2006-09-29 | 2011-11-29 | Nellcor Puritan Bennett Llc | Symmetric LED array for pulse oximetry |
US8068890B2 (en) * | 2006-09-29 | 2011-11-29 | Nellcor Puritan Bennett Llc | Pulse oximetry sensor switchover |
US7706896B2 (en) * | 2006-09-29 | 2010-04-27 | Nellcor Puritan Bennett Llc | User interface and identification in a medical device system and method |
US7680522B2 (en) | 2006-09-29 | 2010-03-16 | Nellcor Puritan Bennett Llc | Method and apparatus for detecting misapplied sensors |
EP2096989B1 (en) * | 2006-11-23 | 2012-11-21 | Flore, Ingo | Medical measuring device |
WO2008073855A2 (en) | 2006-12-09 | 2008-06-19 | Masimo Corporation | Plethysmograph variability processor |
US7941213B2 (en) * | 2006-12-28 | 2011-05-10 | Medtronic, Inc. | System and method to evaluate electrode position and spacing |
US20080200819A1 (en) * | 2007-02-20 | 2008-08-21 | Lynn Lawrence A | Orthostasis detection system and method |
US20080221426A1 (en) * | 2007-03-09 | 2008-09-11 | Nellcor Puritan Bennett Llc | Methods and apparatus for detecting misapplied optical sensors |
US7894869B2 (en) | 2007-03-09 | 2011-02-22 | Nellcor Puritan Bennett Llc | Multiple configuration medical sensor and technique for using the same |
US8265724B2 (en) | 2007-03-09 | 2012-09-11 | Nellcor Puritan Bennett Llc | Cancellation of light shunting |
US8280469B2 (en) | 2007-03-09 | 2012-10-02 | Nellcor Puritan Bennett Llc | Method for detection of aberrant tissue spectra |
EP2139383B1 (en) | 2007-03-27 | 2013-02-13 | Masimo Laboratories, Inc. | Multiple wavelength optical sensor |
CN101711125B (en) | 2007-04-18 | 2016-03-16 | 美敦力公司 | For the active fixing medical electrical leads of long-term implantable that non-fluorescence mirror is implanted |
US8374665B2 (en) | 2007-04-21 | 2013-02-12 | Cercacor Laboratories, Inc. | Tissue profile wellness monitor |
JP5374835B2 (en) * | 2007-06-06 | 2013-12-25 | セイコーエプソン株式会社 | Biological information measuring apparatus and control method thereof |
US20100130875A1 (en) * | 2008-06-18 | 2010-05-27 | Triage Wireless, Inc. | Body-worn system for measuring blood pressure |
KR101629974B1 (en) | 2007-09-07 | 2016-06-14 | 플로레, 잉고 | Medical measurement device for bioelectrical impedance measurement |
JP4569615B2 (en) * | 2007-09-25 | 2010-10-27 | ブラザー工業株式会社 | Printing device |
US20090118628A1 (en) * | 2007-11-01 | 2009-05-07 | Triage Wireless, Inc. | System for measuring blood pressure featuring a blood pressure cuff comprising size information |
US8204567B2 (en) * | 2007-12-13 | 2012-06-19 | Nellcor Puritan Bennett Llc | Signal demodulation |
US8346328B2 (en) | 2007-12-21 | 2013-01-01 | Covidien Lp | Medical sensor and technique for using the same |
US8352004B2 (en) | 2007-12-21 | 2013-01-08 | Covidien Lp | Medical sensor and technique for using the same |
US8366613B2 (en) | 2007-12-26 | 2013-02-05 | Covidien Lp | LED drive circuit for pulse oximetry and method for using same |
US8577434B2 (en) | 2007-12-27 | 2013-11-05 | Covidien Lp | Coaxial LED light sources |
US20090168050A1 (en) * | 2007-12-27 | 2009-07-02 | Nellcor Puritan Bennett Llc | Optical Sensor System And Method |
US20090171167A1 (en) * | 2007-12-27 | 2009-07-02 | Nellcor Puritan Bennett Llc | System And Method For Monitor Alarm Management |
US8452364B2 (en) | 2007-12-28 | 2013-05-28 | Covidien LLP | System and method for attaching a sensor to a patient's skin |
US8442608B2 (en) | 2007-12-28 | 2013-05-14 | Covidien Lp | System and method for estimating physiological parameters by deconvolving artifacts |
US20090171226A1 (en) * | 2007-12-31 | 2009-07-02 | Nellcor Puritan Bennett Llc | System and method for evaluating variation in the timing of physiological events |
US20090171166A1 (en) * | 2007-12-31 | 2009-07-02 | Nellcor Puritan Bennett Llc | Oximeter with location awareness |
US8897850B2 (en) | 2007-12-31 | 2014-11-25 | Covidien Lp | Sensor with integrated living hinge and spring |
US8070508B2 (en) | 2007-12-31 | 2011-12-06 | Nellcor Puritan Bennett Llc | Method and apparatus for aligning and securing a cable strain relief |
US20090171174A1 (en) * | 2007-12-31 | 2009-07-02 | Nellcor Puritan Bennett Llc | System and method for maintaining battery life |
US8199007B2 (en) | 2007-12-31 | 2012-06-12 | Nellcor Puritan Bennett Llc | Flex circuit snap track for a biometric sensor |
US8092993B2 (en) | 2007-12-31 | 2012-01-10 | Nellcor Puritan Bennett Llc | Hydrogel thin film for use as a biosensor |
US20090171173A1 (en) * | 2007-12-31 | 2009-07-02 | Nellcor Puritan Bennett Llc | System and method for reducing motion artifacts in a sensor |
US8750953B2 (en) | 2008-02-19 | 2014-06-10 | Covidien Lp | Methods and systems for alerting practitioners to physiological conditions |
US8275553B2 (en) * | 2008-02-19 | 2012-09-25 | Nellcor Puritan Bennett Llc | System and method for evaluating physiological parameter data |
US20090247851A1 (en) * | 2008-03-26 | 2009-10-01 | Nellcor Puritan Bennett Llc | Graphical User Interface For Monitor Alarm Management |
US20090247854A1 (en) * | 2008-03-27 | 2009-10-01 | Nellcor Puritan Bennett Llc | Retractable Sensor Cable For A Pulse Oximeter |
US8140272B2 (en) * | 2008-03-27 | 2012-03-20 | Nellcor Puritan Bennett Llc | System and method for unmixing spectroscopic observations with nonnegative matrix factorization |
US20090247850A1 (en) * | 2008-03-28 | 2009-10-01 | Nellcor Puritan Bennett Llc | Manually Powered Oximeter |
US8437822B2 (en) | 2008-03-28 | 2013-05-07 | Covidien Lp | System and method for estimating blood analyte concentration |
US8112375B2 (en) | 2008-03-31 | 2012-02-07 | Nellcor Puritan Bennett Llc | Wavelength selection and outlier detection in reduced rank linear models |
US8292809B2 (en) | 2008-03-31 | 2012-10-23 | Nellcor Puritan Bennett Llc | Detecting chemical components from spectroscopic observations |
US8364224B2 (en) * | 2008-03-31 | 2013-01-29 | Covidien Lp | System and method for facilitating sensor and monitor communication |
US8260395B2 (en) * | 2008-04-18 | 2012-09-04 | Medtronic, Inc. | Method and apparatus for mapping a structure |
US8663120B2 (en) * | 2008-04-18 | 2014-03-04 | Regents Of The University Of Minnesota | Method and apparatus for mapping a structure |
US8340751B2 (en) | 2008-04-18 | 2012-12-25 | Medtronic, Inc. | Method and apparatus for determining tracking a virtual point defined relative to a tracked member |
US8532734B2 (en) * | 2008-04-18 | 2013-09-10 | Regents Of The University Of Minnesota | Method and apparatus for mapping a structure |
US8494608B2 (en) | 2008-04-18 | 2013-07-23 | Medtronic, Inc. | Method and apparatus for mapping a structure |
US8839798B2 (en) * | 2008-04-18 | 2014-09-23 | Medtronic, Inc. | System and method for determining sheath location |
US8452402B2 (en) * | 2008-04-23 | 2013-05-28 | Medtronic, Inc. | Optical sensing device for use in a medical device |
CA2665215C (en) * | 2008-05-06 | 2015-01-06 | Intertape Polymer Corp. | Edge coatings for tapes |
CN102047246B (en) * | 2008-05-28 | 2014-06-04 | 沙皮恩斯脑部刺激控制有限公司 | Method and system for determining a threshold for spike detection of electrophysiological signals |
US8660799B2 (en) | 2008-06-30 | 2014-02-25 | Nellcor Puritan Bennett Ireland | Processing and detecting baseline changes in signals |
US7880884B2 (en) | 2008-06-30 | 2011-02-01 | Nellcor Puritan Bennett Llc | System and method for coating and shielding electronic sensor components |
US8862194B2 (en) | 2008-06-30 | 2014-10-14 | Covidien Lp | Method for improved oxygen saturation estimation in the presence of noise |
US20090327515A1 (en) * | 2008-06-30 | 2009-12-31 | Thomas Price | Medical Monitor With Network Connectivity |
USD626562S1 (en) | 2008-06-30 | 2010-11-02 | Nellcor Puritan Bennett Llc | Triangular saturation pattern detection indicator for a patient monitor display panel |
US8398556B2 (en) | 2008-06-30 | 2013-03-19 | Covidien Lp | Systems and methods for non-invasive continuous blood pressure determination |
US8071935B2 (en) | 2008-06-30 | 2011-12-06 | Nellcor Puritan Bennett Llc | Optical detector with an overmolded faraday shield |
US9895068B2 (en) * | 2008-06-30 | 2018-02-20 | Covidien Lp | Pulse oximeter with wait-time indication |
US7887345B2 (en) | 2008-06-30 | 2011-02-15 | Nellcor Puritan Bennett Llc | Single use connector for pulse oximetry sensors |
USD626561S1 (en) | 2008-06-30 | 2010-11-02 | Nellcor Puritan Bennett Llc | Circular satseconds indicator and triangular saturation pattern detection indicator for a patient monitor display panel |
US8506498B2 (en) | 2008-07-15 | 2013-08-13 | Nellcor Puritan Bennett Ireland | Systems and methods using induced perturbation to determine physiological parameters |
US20100076319A1 (en) * | 2008-09-25 | 2010-03-25 | Nellcor Puritan Bennett Llc | Pathlength-Corrected Medical Spectroscopy |
US8257274B2 (en) | 2008-09-25 | 2012-09-04 | Nellcor Puritan Bennett Llc | Medical sensor and technique for using the same |
US8364220B2 (en) | 2008-09-25 | 2013-01-29 | Covidien Lp | Medical sensor and technique for using the same |
US8386000B2 (en) * | 2008-09-30 | 2013-02-26 | Covidien Lp | System and method for photon density wave pulse oximetry and pulse hemometry |
US8417309B2 (en) | 2008-09-30 | 2013-04-09 | Covidien Lp | Medical sensor |
US9314168B2 (en) | 2008-09-30 | 2016-04-19 | Nellcor Puritan Bennett Ireland | Detecting sleep events using localized blood pressure changes |
US8914088B2 (en) | 2008-09-30 | 2014-12-16 | Covidien Lp | Medical sensor and technique for using the same |
US9687161B2 (en) | 2008-09-30 | 2017-06-27 | Nellcor Puritan Bennett Ireland | Systems and methods for maintaining blood pressure monitor calibration |
US20100081912A1 (en) * | 2008-09-30 | 2010-04-01 | Nellcor Puritan Bennett Llc | Ultrasound-Optical Doppler Hemometer and Technique for Using the Same |
US9301697B2 (en) | 2008-09-30 | 2016-04-05 | Nellcor Puritan Bennett Ireland | Systems and methods for recalibrating a non-invasive blood pressure monitor |
US8423112B2 (en) | 2008-09-30 | 2013-04-16 | Covidien Lp | Medical sensor and technique for using the same |
US8433382B2 (en) * | 2008-09-30 | 2013-04-30 | Covidien Lp | Transmission mode photon density wave system and method |
US20100081904A1 (en) * | 2008-09-30 | 2010-04-01 | Nellcor Puritan Bennett Llc | Device And Method For Securing A Medical Sensor to An Infant's Head |
US8532751B2 (en) | 2008-09-30 | 2013-09-10 | Covidien Lp | Laser self-mixing sensors for biological sensing |
US8968193B2 (en) * | 2008-09-30 | 2015-03-03 | Covidien Lp | System and method for enabling a research mode on physiological monitors |
US9078609B2 (en) * | 2008-10-02 | 2015-07-14 | Nellcor Puritan Bennett Ireland | Extraction of physiological measurements from a photoplethysmograph (PPG) signal |
US8175681B2 (en) | 2008-12-16 | 2012-05-08 | Medtronic Navigation Inc. | Combination of electromagnetic and electropotential localization |
US20090171172A1 (en) * | 2008-12-19 | 2009-07-02 | Nellcor Puritan Bennett Llc | Method and system for pulse gating |
JP4958186B2 (en) * | 2009-01-26 | 2012-06-20 | シャープ株式会社 | Optical pickup inspection device, inspection method, inspection program, computer-readable recording medium, and optical pickup automatic adjustment device |
DE102009011381A1 (en) | 2009-03-05 | 2010-09-09 | Flore, Ingo, Dr. | Diagnostic measuring device |
US8216136B2 (en) | 2009-03-05 | 2012-07-10 | Nellcor Puritan Bennett Llc | Systems and methods for monitoring heart rate and blood pressure correlation |
US8452366B2 (en) | 2009-03-16 | 2013-05-28 | Covidien Lp | Medical monitoring device with flexible circuitry |
US20100240972A1 (en) * | 2009-03-20 | 2010-09-23 | Nellcor Puritan Bennett Llc | Slider Spot Check Pulse Oximeter |
US20100249550A1 (en) * | 2009-03-25 | 2010-09-30 | Neilcor Puritan Bennett LLC | Method And Apparatus For Optical Filtering Of A Broadband Emitter In A Medical Sensor |
US8221319B2 (en) | 2009-03-25 | 2012-07-17 | Nellcor Puritan Bennett Llc | Medical device for assessing intravascular blood volume and technique for using the same |
US8515515B2 (en) | 2009-03-25 | 2013-08-20 | Covidien Lp | Medical sensor with compressible light barrier and technique for using the same |
US8781548B2 (en) | 2009-03-31 | 2014-07-15 | Covidien Lp | Medical sensor with flexible components and technique for using the same |
US8509869B2 (en) | 2009-05-15 | 2013-08-13 | Covidien Lp | Method and apparatus for detecting and analyzing variations in a physiologic parameter |
US8634891B2 (en) | 2009-05-20 | 2014-01-21 | Covidien Lp | Method and system for self regulation of sensor component contact pressure |
US8311601B2 (en) | 2009-06-30 | 2012-11-13 | Nellcor Puritan Bennett Llc | Reflectance and/or transmissive pulse oximeter |
US9198582B2 (en) | 2009-06-30 | 2015-12-01 | Nellcor Puritan Bennett Ireland | Determining a characteristic physiological parameter |
US9010634B2 (en) | 2009-06-30 | 2015-04-21 | Covidien Lp | System and method for linking patient data to a patient and providing sensor quality assurance |
US8505821B2 (en) | 2009-06-30 | 2013-08-13 | Covidien Lp | System and method for providing sensor quality assurance |
US20100331631A1 (en) * | 2009-06-30 | 2010-12-30 | Nellcor Puritan Bennett Llc | Oxygen saturation ear sensor design that optimizes both attachment method and signal quality |
US8290730B2 (en) | 2009-06-30 | 2012-10-16 | Nellcor Puritan Bennett Ireland | Systems and methods for assessing measurements in physiological monitoring devices |
US8636667B2 (en) | 2009-07-06 | 2014-01-28 | Nellcor Puritan Bennett Ireland | Systems and methods for processing physiological signals in wavelet space |
US8391941B2 (en) | 2009-07-17 | 2013-03-05 | Covidien Lp | System and method for memory switching for multiple configuration medical sensor |
US8494786B2 (en) | 2009-07-30 | 2013-07-23 | Covidien Lp | Exponential sampling of red and infrared signals |
US20110029865A1 (en) * | 2009-07-31 | 2011-02-03 | Nellcor Puritan Bennett Llc | Control Interface For A Medical Monitor |
US8628477B2 (en) | 2009-07-31 | 2014-01-14 | Nellcor Puritan Bennett Ireland | Systems and methods for non-invasive determination of blood pressure |
US8417310B2 (en) | 2009-08-10 | 2013-04-09 | Covidien Lp | Digital switching in multi-site sensor |
US8428675B2 (en) | 2009-08-19 | 2013-04-23 | Covidien Lp | Nanofiber adhesives used in medical devices |
US8494606B2 (en) * | 2009-08-19 | 2013-07-23 | Covidien Lp | Photoplethysmography with controlled application of sensor pressure |
US8494614B2 (en) | 2009-08-31 | 2013-07-23 | Regents Of The University Of Minnesota | Combination localization system |
US8494613B2 (en) | 2009-08-31 | 2013-07-23 | Medtronic, Inc. | Combination localization system |
US8446934B2 (en) * | 2009-08-31 | 2013-05-21 | Texas Instruments Incorporated | Frequency diversity and phase rotation |
US20110060201A1 (en) * | 2009-09-08 | 2011-03-10 | Marks Lloyd A | Integrated Pulse Oximeter-Pulse Flowmeter |
US8788001B2 (en) * | 2009-09-21 | 2014-07-22 | Covidien Lp | Time-division multiplexing in a multi-wavelength photon density wave system |
US9220440B2 (en) | 2009-09-21 | 2015-12-29 | Nellcor Puritan Bennett Ireland | Determining a characteristic respiration rate |
US8704666B2 (en) * | 2009-09-21 | 2014-04-22 | Covidien Lp | Medical device interface customization systems and methods |
US8494604B2 (en) * | 2009-09-21 | 2013-07-23 | Covidien Lp | Wavelength-division multiplexing in a multi-wavelength photon density wave system |
US8798704B2 (en) * | 2009-09-24 | 2014-08-05 | Covidien Lp | Photoacoustic spectroscopy method and system to discern sepsis from shock |
US8376955B2 (en) * | 2009-09-29 | 2013-02-19 | Covidien Lp | Spectroscopic method and system for assessing tissue temperature |
US9554739B2 (en) | 2009-09-29 | 2017-01-31 | Covidien Lp | Smart cable for coupling a medical sensor to an electronic patient monitor |
US8515511B2 (en) | 2009-09-29 | 2013-08-20 | Covidien Lp | Sensor with an optical coupling material to improve plethysmographic measurements and method of using the same |
US9066660B2 (en) | 2009-09-29 | 2015-06-30 | Nellcor Puritan Bennett Ireland | Systems and methods for high-pass filtering a photoplethysmograph signal |
US8463347B2 (en) | 2009-09-30 | 2013-06-11 | Nellcor Puritan Bennett Ireland | Systems and methods for normalizing a plethysmograph signal for improved feature analysis |
US20110077470A1 (en) * | 2009-09-30 | 2011-03-31 | Nellcor Puritan Bennett Llc | Patient Monitor Symmetry Control |
US20110074342A1 (en) * | 2009-09-30 | 2011-03-31 | Nellcor Puritan Bennett Llc | Wireless electricity for electronic devices |
EP2305112A1 (en) * | 2009-10-01 | 2011-04-06 | seca ag | Bioimpedance measuring device |
US8355774B2 (en) * | 2009-10-30 | 2013-01-15 | Medtronic, Inc. | System and method to evaluate electrode position and spacing |
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 |
US9307928B1 (en) | 2010-03-30 | 2016-04-12 | Masimo Corporation | Plethysmographic respiration processor |
US9451887B2 (en) | 2010-03-31 | 2016-09-27 | Nellcor Puritan Bennett Ireland | Systems and methods for measuring electromechanical delay of the heart |
US8898037B2 (en) | 2010-04-28 | 2014-11-25 | Nellcor Puritan Bennett Ireland | Systems and methods for signal monitoring using Lissajous figures |
JP2012024320A (en) * | 2010-07-23 | 2012-02-09 | Nippon Koden Corp | Device and method for measuring biological signal |
US8930145B2 (en) | 2010-07-28 | 2015-01-06 | Covidien Lp | Light focusing continuous wave photoacoustic spectroscopy and its applications to patient monitoring |
US8825428B2 (en) | 2010-11-30 | 2014-09-02 | Neilcor Puritan Bennett Ireland | Methods and systems for recalibrating a blood pressure monitor with memory |
US9357934B2 (en) | 2010-12-01 | 2016-06-07 | Nellcor Puritan Bennett Ireland | Systems and methods for physiological event marking |
US9259160B2 (en) | 2010-12-01 | 2016-02-16 | Nellcor Puritan Bennett Ireland | Systems and methods for determining when to measure a physiological parameter |
CN102525431B (en) * | 2010-12-10 | 2014-01-08 | 李祥 | Cardiovascular physiology signal detection device and method |
US8521247B2 (en) | 2010-12-29 | 2013-08-27 | Covidien Lp | Certification apparatus and method for a medical device computer |
CN102579023B (en) * | 2011-01-06 | 2013-09-11 | 上海艾康菲医疗器械技术有限公司 | Method and device for processing pulse wave signal and electronic blood pressure measuring device |
CN102811034A (en) * | 2011-05-31 | 2012-12-05 | 财团法人工业技术研究院 | Signal processing device and signal processing method |
US11439329B2 (en) | 2011-07-13 | 2022-09-13 | Masimo Corporation | Multiple measurement mode in a physiological sensor |
US8870783B2 (en) | 2011-11-30 | 2014-10-28 | Covidien Lp | Pulse rate determination using Gaussian kernel smoothing of multiple inter-fiducial pulse periods |
US9060695B2 (en) | 2011-11-30 | 2015-06-23 | Covidien Lp | Systems and methods for determining differential pulse transit time from the phase difference of two analog plethysmographs |
KR101910982B1 (en) * | 2012-02-13 | 2019-01-04 | 삼성전자주식회사 | Method and apparatus for eliminating motion artifact of biosignal using personalized biosignal pattern |
US8880155B2 (en) | 2012-02-24 | 2014-11-04 | Covidien Lp | Hypovolemia diagnosis technique |
US20150051521A1 (en) * | 2012-03-13 | 2015-02-19 | Koninklijke Philips N.V. | Cardiopulmonary resuscitation apparatus comprising a physiological sensor |
WO2013153664A1 (en) * | 2012-04-13 | 2013-10-17 | パイオニア株式会社 | Fluid assessment device and method |
US9833146B2 (en) | 2012-04-17 | 2017-12-05 | Covidien Lp | Surgical system and method of use of the same |
US20140073877A1 (en) * | 2012-09-11 | 2014-03-13 | Nellcor Puritan Bennett Llc | Methods and systems for determining physiological information using autocorrelation and an envelope technique |
US9339235B2 (en) | 2012-09-11 | 2016-05-17 | Covidien Lp | Methods and systems for determining signal-to-noise information from a physiological signal |
US9192310B2 (en) | 2012-09-11 | 2015-11-24 | Covidien Lp | Methods and systems for qualifying a calculated value based on baseline and deviation information |
US9259186B2 (en) | 2012-09-11 | 2016-02-16 | Covidien Lp | Methods and systems for determining noise information from a physiological signal |
US9241670B2 (en) | 2012-09-11 | 2016-01-26 | Covidien Lp | Methods and systems for conditioning physiological information using a normalization technique |
US10055538B2 (en) * | 2013-01-05 | 2018-08-21 | Qualcomm Incorporated | Processing of skin conductance signals to mitigate noise and detect signal features |
JP6149548B2 (en) * | 2013-07-01 | 2017-06-21 | オムロンヘルスケア株式会社 | Electronic blood pressure monitor |
CN103860180B (en) * | 2013-12-16 | 2016-03-02 | 中国医学科学院北京协和医院 | In cardio-pulmonary resuscitation (CPR) process, Real time identification spontaneous circulation recovers (ROSC) |
US9888871B2 (en) | 2014-01-28 | 2018-02-13 | Covidien Lp | Methods and systems for determining a venous signal using a physiological monitor |
JP2016007337A (en) * | 2014-06-24 | 2016-01-18 | ローム株式会社 | Pulse wave sensor |
JP2016030067A (en) * | 2014-07-29 | 2016-03-07 | パイオニア株式会社 | Breath sound analysis apparatus, breath sound analysis method, computer program, and recording medium |
CN105943039B (en) * | 2016-06-03 | 2019-02-12 | 苏州超酷电子科技有限公司 | A kind of wearable bioelectrical signals survey meter and its method of wearing |
US10193683B2 (en) * | 2016-07-20 | 2019-01-29 | Intel Corporation | Methods and devices for self-interference cancelation |
EP3527122A1 (en) * | 2018-02-14 | 2019-08-21 | Koninklijke Philips N.V. | Modelling and extracting information from a photoplethysmography, ppg, signal |
WO2019127559A1 (en) | 2017-12-30 | 2019-07-04 | 深圳迈瑞生物医疗电子股份有限公司 | High-frequency radio frequency interference removal apparatus and method |
EP3769679A4 (en) * | 2018-03-20 | 2022-01-26 | Dynamic Brain Lab, LLC. | Biological information measurement device |
US11331017B2 (en) * | 2019-02-13 | 2022-05-17 | Viavi Solutions Inc. | Calibration-free pulse oximetry |
JP2019150641A (en) * | 2019-05-17 | 2019-09-12 | パイオニア株式会社 | Breath sound analysis device |
CN110179456B (en) * | 2019-05-23 | 2021-11-02 | 中国航天员科研训练中心 | Electrocardio noise recognition model training and electrocardio noise detection method and device |
US10939863B2 (en) | 2019-05-28 | 2021-03-09 | Biosense Webster (Israel) Ltd. | Determining occurrence of focal and/or rotor arrhythmogenic activity in cardiac tissue regions |
JP7196135B2 (en) * | 2020-06-30 | 2022-12-26 | ゼネラル・エレクトリック・カンパニイ | Device, its control program and system |
US11900910B2 (en) * | 2022-03-11 | 2024-02-13 | Toshiba Tec Kabushiki Kaisha | System and method for automated ambient noise reduction for online meetings |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5825672A (en) * | 1996-10-25 | 1998-10-20 | The United States Of America As Represented By The United States Department Of Energy | Method and apparatus for automatically detecting patterns in digital point-ordered signals |
US5924980A (en) * | 1998-03-11 | 1999-07-20 | Siemens Corporate Research, Inc. | Method and apparatus for adaptively reducing the level of noise in an acquired signal |
US5995859A (en) * | 1994-02-14 | 1999-11-30 | Nihon Kohden Corporation | Method and apparatus for accurately measuring the saturated oxygen in arterial blood by substantially eliminating noise from the measurement signal |
WO2000013172A1 (en) * | 1998-08-28 | 2000-03-09 | Sigma Audio Research Limited | Signal processing techniques for time-scale and/or pitch modification of audio signals |
US6083172A (en) * | 1995-08-07 | 2000-07-04 | Nellcor Puritan Bennett Incorporated | Method and apparatus for estimating physiological parameters using model-based adaptive filtering |
Family Cites Families (55)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3638640A (en) | 1967-11-01 | 1972-02-01 | Robert F Shaw | Oximeter and method for in vivo determination of oxygen saturation in blood using three or more different wavelengths |
AU463065B2 (en) | 1972-02-01 | 1975-07-17 | Oximetrix Inc. | Oximeter and method |
US3799672A (en) | 1972-09-15 | 1974-03-26 | Us Health Education & Welfare | Oximeter for monitoring oxygen saturation in blood |
JPS5725217B2 (en) | 1974-10-14 | 1982-05-28 | ||
CA1037285A (en) | 1975-04-30 | 1978-08-29 | Glenfield Warner | Ear oximetry process and apparatus |
US4167331A (en) | 1976-12-20 | 1979-09-11 | Hewlett-Packard Company | Multi-wavelength incremental absorbence oximeter |
JPS5524004A (en) | 1978-06-22 | 1980-02-20 | Minolta Camera Kk | Oxymeter |
JPS56104646A (en) | 1980-01-25 | 1981-08-20 | Minolta Camera Kk | Optical analyzer for forming ratio of element contained in organism |
US4357105A (en) | 1980-08-06 | 1982-11-02 | Buffalo Medical Specialties Mfg., Inc. | Blood diagnostic spectrophotometer |
US4407290A (en) | 1981-04-01 | 1983-10-04 | Biox Technology, Inc. | Blood constituent measuring device and method |
JPS59122137A (en) * | 1982-12-28 | 1984-07-14 | Matsushita Electric Ind Co Ltd | Digital signal regenerating circuit |
US4714341A (en) | 1984-02-23 | 1987-12-22 | Minolta Camera Kabushiki Kaisha | Multi-wavelength oximeter having a means for disregarding a poor signal |
JPS6182214A (en) * | 1984-05-04 | 1986-04-25 | Mitsubishi Electric Corp | Rotation synchronizing signal detecting device |
US4740080A (en) | 1985-03-21 | 1988-04-26 | Abbott Laboratories | Analog to digital converter for fluid analyzing apparatus |
US4928692A (en) | 1985-04-01 | 1990-05-29 | Goodman David E | Method and apparatus for detecting optical pulses |
US4934372A (en) | 1985-04-01 | 1990-06-19 | 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 |
US4892101A (en) | 1986-08-18 | 1990-01-09 | Physio-Control Corporation | Method and apparatus for offsetting baseline portion of oximeter signal |
US4819649A (en) | 1986-11-03 | 1989-04-11 | Georgia Tech Research Corporation | Noninvasive vibration measurement system and method for measuring amplitude of vibration of tissue in an object being investigated |
JPS63252239A (en) | 1987-04-09 | 1988-10-19 | Sumitomo Electric Ind Ltd | Reflection type oxymeter |
US4773422A (en) | 1987-04-30 | 1988-09-27 | Nonin Medical, Inc. | Single channel pulse oximeter |
US4796636A (en) | 1987-09-10 | 1989-01-10 | Nippon Colin Co., Ltd. | Noninvasive reflectance oximeter |
US4819752A (en) | 1987-10-02 | 1989-04-11 | Datascope Corp. | Blood constituent measuring device and method |
US4859057A (en) | 1987-10-13 | 1989-08-22 | Lawrence Medical Systems, Inc. | Oximeter apparatus |
US4854699A (en) | 1987-11-02 | 1989-08-08 | Nippon Colin Co., Ltd. | Backscatter oximeter |
US4960126A (en) | 1988-01-15 | 1990-10-02 | Criticare Systems, Inc. | ECG synchronized pulse oximeter |
US5299120A (en) | 1989-09-15 | 1994-03-29 | Hewlett-Packard Company | Method for digitally processing signals containing information regarding arterial blood flow |
US5216598A (en) * | 1989-10-04 | 1993-06-01 | Colin Electronics Co., Ltd. | System for correction of trends associated with pulse wave forms in oximeters |
US5190038A (en) | 1989-11-01 | 1993-03-02 | Novametrix Medical Systems, Inc. | Pulse oximeter with improved accuracy and response time |
US5224478A (en) | 1989-11-25 | 1993-07-06 | Colin Electronics Co., Ltd. | Reflecting-type oxymeter probe |
US5490505A (en) | 1991-03-07 | 1996-02-13 | Masimo Corporation | Signal processing apparatus |
RU2144211C1 (en) | 1991-03-07 | 2000-01-10 | Мэсимо Корпорейшн | Device and method for signal processing |
US5632272A (en) | 1991-03-07 | 1997-05-27 | Masimo Corporation | Signal processing apparatus |
US5413100A (en) | 1991-07-17 | 1995-05-09 | Effets Biologiques Exercice | Non-invasive method for the in vivo determination of the oxygen saturation rate of arterial blood, and device for carrying out the method |
US5351685A (en) | 1991-08-05 | 1994-10-04 | Nellcor Incorporated | Condensed oximeter system with noise reduction software |
US5355880A (en) | 1992-07-06 | 1994-10-18 | Sandia Corporation | Reliable noninvasive measurement of blood gases |
GB9216431D0 (en) | 1992-08-01 | 1992-09-16 | Univ Swansea | Optical monitoring or measuring artefact suppression |
US5348004A (en) | 1993-03-31 | 1994-09-20 | Nellcor Incorporated | Electronic processor for pulse oximeter |
EP0658331B1 (en) | 1993-12-11 | 1996-10-02 | Hewlett-Packard GmbH | A method for detecting an irregular state in a non-invasive pulse oximeter system |
US5490506A (en) | 1994-03-28 | 1996-02-13 | Colin Corporation | Peripheral blood flow evaluating apparatus |
US5421329A (en) | 1994-04-01 | 1995-06-06 | Nellcor, Inc. | Pulse oximeter sensor optimized for low saturation |
US5797840A (en) * | 1994-09-14 | 1998-08-25 | Ramot University Authority For Applied Research & Industrial Development Ltd. | Apparatus and method for time dependent power spectrum analysis of physiological signals |
US5758644A (en) | 1995-06-07 | 1998-06-02 | Masimo Corporation | Manual and automatic probe calibration |
JP3772189B2 (en) | 1995-06-09 | 2006-05-10 | コンメド コーポレイション | Sensor for optical measurement of blood oxygen saturation, measuring method thereof, and measuring apparatus thereof |
US5645060A (en) | 1995-06-14 | 1997-07-08 | Nellcor Puritan Bennett Incorporated | Method and apparatus for removing artifact and noise from pulse oximetry |
US5995856A (en) | 1995-11-22 | 1999-11-30 | Nellcor, Incorporated | Non-contact optical monitoring of physiological parameters |
US5842981A (en) | 1996-07-17 | 1998-12-01 | Criticare Systems, Inc. | Direct to digital oximeter |
JP3419232B2 (en) * | 1997-01-21 | 2003-06-23 | スズキ株式会社 | Wave number counting method and vibration measuring device using the same |
US5919134A (en) | 1997-04-14 | 1999-07-06 | Masimo Corp. | Method and apparatus for demodulating signals in a pulse oximetry system |
US6002952A (en) | 1997-04-14 | 1999-12-14 | Masimo Corporation | Signal processing apparatus and method |
CN1205868A (en) * | 1997-06-19 | 1999-01-27 | 梅迪诺尔有限公司 | Intravascular ultrasound enhanced image and signal processing |
JPH1166580A (en) * | 1997-08-15 | 1999-03-09 | Sony Corp | Information reproducer, information recording/ reproducing apparatus and on track/off track detection circuit |
EP1251770A4 (en) | 2000-01-28 | 2005-05-25 | Gen Hospital Corp | Fetal pulse oximetry |
JP2003532107A (en) | 2000-05-02 | 2003-10-28 | シーエーエス・メディカル・システムズ・インコーポレイテッド | A method for non-invasively monitoring blood oxygenation by spectrophotometry. |
IL145445A (en) * | 2001-09-13 | 2006-12-31 | Conmed Corp | Signal processing method and device for signal-to-noise improvement |
-
2001
- 2001-09-13 IL IL145445A patent/IL145445A/en active IP Right Grant
- 2001-10-15 WO PCT/US2001/032282 patent/WO2003022141A1/en active Application Filing
- 2001-10-15 DK DK01981641T patent/DK1424934T3/en active
- 2001-10-15 AT AT01981641T patent/ATE403396T1/en not_active IP Right Cessation
- 2001-10-15 JP JP2003526274A patent/JP2005516642A/en active Pending
- 2001-10-15 PT PT01981641T patent/PT1424934E/en unknown
- 2001-10-15 CN CNB018237509A patent/CN100500083C/en not_active Expired - Lifetime
- 2001-10-15 ES ES01981641T patent/ES2311028T3/en not_active Expired - Lifetime
- 2001-10-15 CA CA2460336A patent/CA2460336C/en not_active Expired - Lifetime
- 2001-10-15 EP EP01981641A patent/EP1424934B1/en not_active Expired - Lifetime
- 2001-10-15 DE DE60135256T patent/DE60135256D1/en not_active Expired - Lifetime
- 2001-10-15 AU AU2002213271A patent/AU2002213271B2/en not_active Expired
- 2001-10-17 US US09/981,564 patent/US6658277B2/en not_active Expired - Lifetime
-
2003
- 2003-06-19 US US10/465,128 patent/US7060035B2/en not_active Expired - Lifetime
- 2003-07-23 US US10/625,250 patent/US7027850B2/en not_active Expired - Lifetime
-
2007
- 2007-04-10 JP JP2007102760A patent/JP2007209782A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5995859A (en) * | 1994-02-14 | 1999-11-30 | Nihon Kohden Corporation | Method and apparatus for accurately measuring the saturated oxygen in arterial blood by substantially eliminating noise from the measurement signal |
US6083172A (en) * | 1995-08-07 | 2000-07-04 | Nellcor Puritan Bennett Incorporated | Method and apparatus for estimating physiological parameters using model-based adaptive filtering |
US5825672A (en) * | 1996-10-25 | 1998-10-20 | The United States Of America As Represented By The United States Department Of Energy | Method and apparatus for automatically detecting patterns in digital point-ordered signals |
US5924980A (en) * | 1998-03-11 | 1999-07-20 | Siemens Corporate Research, Inc. | Method and apparatus for adaptively reducing the level of noise in an acquired signal |
WO2000013172A1 (en) * | 1998-08-28 | 2000-03-09 | Sigma Audio Research Limited | Signal processing techniques for time-scale and/or pitch modification of audio signals |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006526460A (en) * | 2003-03-12 | 2006-11-24 | イエール ユニバーシティ | Blood volume evaluation method using photoelectric volumetric pulse wave method |
CN100349009C (en) * | 2004-12-29 | 2007-11-14 | 中国石油天然气集团公司 | Method for shifting depth before superposition in seismic data process of undulating the earth's surface |
CN100349005C (en) * | 2004-12-29 | 2007-11-14 | 中国石油天然气集团公司 | Method for shifting depth before superposition in combined earthquake data from multiple times of shooting |
CN111024569A (en) * | 2019-10-18 | 2020-04-17 | 重庆邮电大学 | Calibration method of abrasive particle detection sensor and storage medium thereof |
CN111024569B (en) * | 2019-10-18 | 2022-07-01 | 重庆邮电大学 | Calibration method of abrasive particle detection sensor and storage medium thereof |
Also Published As
Publication number | Publication date |
---|---|
CA2460336C (en) | 2012-01-10 |
CA2460336A1 (en) | 2003-03-20 |
DK1424934T3 (en) | 2008-11-24 |
JP2005516642A (en) | 2005-06-09 |
US20030055324A1 (en) | 2003-03-20 |
US6658277B2 (en) | 2003-12-02 |
EP1424934B1 (en) | 2008-08-06 |
EP1424934A1 (en) | 2004-06-09 |
PT1424934E (en) | 2008-11-03 |
US20040010188A1 (en) | 2004-01-15 |
AU2002213271A2 (en) | 2003-03-24 |
IL145445A (en) | 2006-12-31 |
US20040087846A1 (en) | 2004-05-06 |
AU2002213271B2 (en) | 2007-12-13 |
ES2311028T3 (en) | 2009-02-01 |
IL145445A0 (en) | 2002-06-30 |
US7027850B2 (en) | 2006-04-11 |
ATE403396T1 (en) | 2008-08-15 |
US7060035B2 (en) | 2006-06-13 |
DE60135256D1 (en) | 2008-09-18 |
JP2007209782A (en) | 2007-08-23 |
CN100500083C (en) | 2009-06-17 |
CN1665443A (en) | 2005-09-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2460336C (en) | A signal processing method and device for signal-to-noise improvement | |
AU2002213271A1 (en) | A signal processing method and device for signal-to-noise improvement | |
JP2005516642A6 (en) | Signal processing method and apparatus for improving signal-to-noise ratio | |
JP4903980B2 (en) | Pulse oximeter and operation method thereof | |
US6480729B2 (en) | Method for determining blood constituents | |
US7001337B2 (en) | Monitoring physiological parameters based on variations in a photoplethysmographic signal | |
US8529459B2 (en) | Processing of photoplethysmography signals | |
US6393311B1 (en) | Method, apparatus and system for removing motion artifacts from measurements of bodily parameters | |
US5862805A (en) | Apparatus and method for measuring the variability of cardiovascular parameters | |
US8611977B2 (en) | Method and apparatus for optical detection of mixed venous and arterial blood pulsation in tissue | |
CA3097663A1 (en) | Methods to estimate the blood pressure and the arterial stiffness based on photoplethysmographic (ppg) signals | |
Kraitl et al. | An optical device to measure blood components by a photoplethysmographic method | |
Aarthi et al. | Fingertip based estimation of heart rate using photoplethysmography | |
Kainan et al. | New pulse oximetry detection based on the light absorbance ratio as determined from amplitude modulation indexes in the time and frequency domains | |
García-López et al. | Characterization study of neck photoplethysmography | |
Reguig | Photoplethysmogram signal analysis for detecting vital physiological parameters: An evaluating study | |
Godbole et al. | Problems in Getting Ambulatory Blood Pressure Monitoring using Infrared PPG |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BY BZ CA CH CN CO CR CU CZ DE DM DZ EC EE ES FI GB GD GE GH HR HU ID IL IN IS JP KE KG KP KR LC LK LR LS LT LU LV MA MD MG MN MW MX MZ NO NZ PL PT RO RU SE SG SI SK SL TJ TM TR TT TZ UA US UZ VN YU ZA |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH GM KE LS MW MZ SD SL SZ UG ZW AM AZ BY KG KZ MD TJ TM AT BE CH CY DE DK ES FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GQ GW MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2001981641 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2460336 Country of ref document: CA |
|
WWE | Wipo information: entry into national phase |
Ref document number: 160857 Country of ref document: IL Ref document number: 2003526274 Country of ref document: JP Ref document number: 2002213271 Country of ref document: AU |
|
WWE | Wipo information: entry into national phase |
Ref document number: 20018237509 Country of ref document: CN |
|
WWP | Wipo information: published in national office |
Ref document number: 2001981641 Country of ref document: EP |