ATE251865T1 - Verfahren für das harmonische filtern von daten - Google Patents

Verfahren für das harmonische filtern von daten

Info

Publication number
ATE251865T1
ATE251865T1 AT97906324T AT97906324T ATE251865T1 AT E251865 T1 ATE251865 T1 AT E251865T1 AT 97906324 T AT97906324 T AT 97906324T AT 97906324 T AT97906324 T AT 97906324T AT E251865 T1 ATE251865 T1 AT E251865T1
Authority
AT
Austria
Prior art keywords
data
filtered data
filtering
generating
blood constituent
Prior art date
Application number
AT97906324T
Other languages
English (en)
Inventor
Clark R Baker Jr
Thomas J Yorkey
Original Assignee
Nellcor Puritan Bennett Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nellcor Puritan Bennett Inc filed Critical Nellcor Puritan Bennett Inc
Application granted granted Critical
Publication of ATE251865T1 publication Critical patent/ATE251865T1/de

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 or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or 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
    • A61B5/7207—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts
    • 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)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Surgery (AREA)
  • Artificial Intelligence (AREA)
  • Psychiatry (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)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Complex Calculations (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Gyroscopes (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)
  • Auxiliary Devices For Music (AREA)
AT97906324T 1997-03-21 1997-03-21 Verfahren für das harmonische filtern von daten ATE251865T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB1997/000293 WO1998042251A1 (en) 1997-03-21 1997-03-21 Method and apparatus for harmonically filtering data

Publications (1)

Publication Number Publication Date
ATE251865T1 true ATE251865T1 (de) 2003-11-15

Family

ID=11004544

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97906324T ATE251865T1 (de) 1997-03-21 1997-03-21 Verfahren für das harmonische filtern von daten

Country Status (7)

Country Link
EP (1) EP1006864B1 (de)
JP (1) JP2001517129A (de)
AT (1) ATE251865T1 (de)
CA (1) CA2283856C (de)
DE (1) DE69725622T2 (de)
ES (1) ES2208878T3 (de)
WO (1) WO1998042251A1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7162288B2 (en) 2004-02-25 2007-01-09 Nellcor Purtain Bennett Incorporated Techniques for detecting heart pulses and reducing power consumption in sensors
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
US7534212B2 (en) 2004-03-08 2009-05-19 Nellcor Puritan Bennett Llc Pulse oximeter with alternate heart-rate determination
US7392075B2 (en) 2005-03-03 2008-06-24 Nellcor Puritan Bennett Incorporated Method for enhancing pulse oximetry calculations in the presence of correlated artifacts
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
US7869850B2 (en) 2005-09-29 2011-01-11 Nellcor Puritan Bennett Llc Medical sensor for reducing motion artifacts 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
US7486979B2 (en) 2005-09-30 2009-02-03 Nellcor Puritan Bennett Llc Optically aligned pulse oximetry sensor 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
US7477924B2 (en) 2006-05-02 2009-01-13 Nellcor Puritan Bennett Llc Medical sensor and technique for using the same
US7522948B2 (en) 2006-05-02 2009-04-21 Nellcor Puritan Bennett Llc Medical sensor and technique for using the same
US7574245B2 (en) 2006-09-27 2009-08-11 Nellcor Puritan Bennett Llc Flexible medical sensor enclosure
US8750953B2 (en) 2008-02-19 2014-06-10 Covidien Lp Methods and systems for alerting practitioners to physiological conditions
JP5135029B2 (ja) * 2008-04-04 2013-01-30 株式会社日立製作所 生体光計測器
US9895068B2 (en) 2008-06-30 2018-02-20 Covidien Lp Pulse oximeter with wait-time indication
US8636667B2 (en) 2009-07-06 2014-01-28 Nellcor Puritan Bennett Ireland Systems and methods for processing physiological signals in wavelet space
US8571621B2 (en) 2009-09-24 2013-10-29 Covidien Lp Minimax filtering for pulse oximetry
US8840562B2 (en) 2009-09-24 2014-09-23 Covidien Lp Signal processing warping technique
US8855749B2 (en) 2009-09-24 2014-10-07 Covidien Lp Determination of a physiological parameter
US8923945B2 (en) 2009-09-24 2014-12-30 Covidien Lp Determination of a physiological parameter
US8930145B2 (en) 2010-07-28 2015-01-06 Covidien Lp Light focusing continuous wave photoacoustic spectroscopy and its applications to patient monitoring
US9770210B2 (en) 2011-09-23 2017-09-26 Nellcor Puritan Bennett Ireland Systems and methods for analyzing a physiological sensor signal
US9833146B2 (en) 2012-04-17 2017-12-05 Covidien Lp Surgical system and method of use of the same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8719333D0 (en) * 1987-08-14 1987-09-23 Swansea University College Of Motion artefact rejection system
US4960126A (en) * 1988-01-15 1990-10-02 Criticare Systems, Inc. ECG synchronized pulse oximeter
EP1357481A3 (de) * 1991-03-07 2005-04-27 Masimo Corporation Signalverarbeitungsanlage und Verfahren
US5368224A (en) * 1992-10-23 1994-11-29 Nellcor Incorporated Method for reducing ambient noise effects in electronic monitoring instruments

Also Published As

Publication number Publication date
CA2283856A1 (en) 1998-10-01
DE69725622T2 (de) 2004-08-12
EP1006864B1 (de) 2003-10-15
EP1006864A1 (de) 2000-06-14
ES2208878T3 (es) 2004-06-16
CA2283856C (en) 2005-11-22
DE69725622D1 (de) 2003-11-20
WO1998042251A1 (en) 1998-10-01
HK1031188A1 (en) 2001-06-08
JP2001517129A (ja) 2001-10-02
AU2105397A (en) 1998-10-20
AU720238B2 (en) 2000-05-25

Similar Documents

Publication Publication Date Title
ATE251865T1 (de) Verfahren für das harmonische filtern von daten
DE69725621D1 (de) Verfahren und gerät zur adaptiven mittelwertbildung von datensignalen
Giakas et al. Optimal digital filtering requires a different cut-off frequency strategy for the determination of the higher derivatives
JPH06507485A (ja) 信号処理装置および方法
CN109864713B (zh) 基于多通道并行滤波和谱峰加权选择算法的心率监测方法
EP0525124A4 (en) Method and apparatus for continuously measuring volumetric flow
WO2006091636A3 (en) Signal decomposition and reconstruction
Awodeyi et al. Median filter approach for removal of baseline wander in photoplethysmography signals
Alesanco et al. Enhanced real-time ECG coder for packetized telecardiology applications
KR20200034505A (ko) 주기적 생체신호의 잡음을 제거하는 방법 및 그 장치
Shamma et al. Spectro-temporal templates unify the pitch percepts of resolved and unresolved harmonics
DE102023125214A1 (de) Herzmessung unter Verwendung von akustischen Techniken
Shin et al. Noise‐Robust Heart Rate Estimation Algorithm from Photoplethysmography Signal with Low Computational Complexity
Kubota et al. How to encode arterial pressure into carotid sinus nerve to invoke natural baroreflex
DE69730523D1 (de) Identifizierung von kohärenten signalmustern bei nichtstationären periodischen blutdruckmesswerten
ATE222086T1 (de) Kosmetische zubereitung auf der basis von assoziativen polyurethanen und quartären siliconen
Healy et al. The effect of smoothing filter slope and spectral frequency on temporal speech information
Haghighi-Mood et al. Application of advanced signal processing techniques in analysis of heart sound
JP2001518822A (ja) パルスレート及び飽和度を測定するための方法及び装置
DE102006022120A1 (de) Spreizspektrumverfahren zur Bestimmung von Vitalparametern
Vázquez et al. Filtering of photoplethysmographic pulse signals with downward gradient algorithms
Franek SOME RESULTS ABOUT SATURATED IDEALS AND ABOUT ISOMORPHISMS OF K-TREES.
Lin et al. Removing residual power-line interference using WHT adaptive filter
Harshman et al. An Extended Parafac Model Incorporating Singly-Subscripted Constants: Theory and Application
CN118312729A (zh) 一种基于小波变换的ecg信号预处理方法

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties