[go: up one dir, main page]

WO2010039421A3 - Hémomètre doppler optique à ultrasons et technique d’utilisation - Google Patents

Hémomètre doppler optique à ultrasons et technique d’utilisation Download PDF

Info

Publication number
WO2010039421A3
WO2010039421A3 PCT/US2009/056970 US2009056970W WO2010039421A3 WO 2010039421 A3 WO2010039421 A3 WO 2010039421A3 US 2009056970 W US2009056970 W US 2009056970W WO 2010039421 A3 WO2010039421 A3 WO 2010039421A3
Authority
WO
WIPO (PCT)
Prior art keywords
ultrasound
hemometer
technique
same
optical doppler
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2009/056970
Other languages
English (en)
Other versions
WO2010039421A2 (fr
Inventor
Edward M. Mckenna
Clark R. Baker Jr.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nellcor Puritan Bennett LLC
Original Assignee
Nellcor Puritan Bennett LLC
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 LLC filed Critical Nellcor Puritan Bennett LLC
Priority to EP09792552A priority Critical patent/EP2328481A2/fr
Publication of WO2010039421A2 publication Critical patent/WO2010039421A2/fr
Publication of WO2010039421A3 publication Critical patent/WO2010039421A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/08Clinical applications
    • A61B8/0858Clinical applications involving measuring tissue layers, e.g. skin, interfaces
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/0093Detecting, measuring or recording by applying one single type of energy and measuring its conversion into another type of energy
    • A61B5/0097Detecting, measuring or recording by applying one single type of energy and measuring its conversion into another type of energy by applying acoustic waves and detecting light, i.e. acousto-optic measurements
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/02007Evaluating blood vessel condition, e.g. elasticity, compliance
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/026Measuring blood flow
    • A61B5/0261Measuring blood flow using optical means, e.g. infrared light
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/145Measuring 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
    • A61B5/14535Measuring 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 for measuring haematocrit
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/145Measuring 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
    • A61B5/1455Measuring 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/04Measuring blood pressure
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88Sonar systems specially adapted for specific applications
    • G01S15/89Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/899Combination of imaging systems with ancillary equipment

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Optics & Photonics (AREA)
  • Cardiology (AREA)
  • Physiology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Vascular Medicine (AREA)
  • Acoustics & Sound (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Hematology (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

Selon des modes de réalisation, la présente invention concerne un ensemble de capteurs et/ou des systèmes de mesures par ultrasons/optiques qui peuvent fournir des informations concernant des paramètres hémodynamiques. Un faisceau d’ultrasons peut être utilisé pour générer un champ doppler pour des éléments optiques d’un ensemble de capteurs. En combinant les informations reçues des éléments ultrasonores et optiques de l’ensemble de capteurs, des valeurs plus précises pour les paramètres hémodynamiques peuvent être déterminées.
PCT/US2009/056970 2008-09-30 2009-09-15 Hémomètre doppler optique à ultrasons et technique d’utilisation Ceased WO2010039421A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09792552A EP2328481A2 (fr) 2008-09-30 2009-09-15 Hémomètre doppler optique à ultrasons et technique d'utilisation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/242,401 US20100081912A1 (en) 2008-09-30 2008-09-30 Ultrasound-Optical Doppler Hemometer and Technique for Using the Same
US12/242,401 2008-09-30

Publications (2)

Publication Number Publication Date
WO2010039421A2 WO2010039421A2 (fr) 2010-04-08
WO2010039421A3 true WO2010039421A3 (fr) 2010-05-27

Family

ID=41211743

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2009/056970 Ceased WO2010039421A2 (fr) 2008-09-30 2009-09-15 Hémomètre doppler optique à ultrasons et technique d’utilisation

Country Status (3)

Country Link
US (1) US20100081912A1 (fr)
EP (1) EP2328481A2 (fr)
WO (1) WO2010039421A2 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11315307B1 (en) * 2006-12-28 2022-04-26 Tipping Point Medical Images, Llc Method and apparatus for performing rotating viewpoints using a head display unit
US10795457B2 (en) * 2006-12-28 2020-10-06 D3D Technologies, Inc. Interactive 3D cursor
US11275242B1 (en) * 2006-12-28 2022-03-15 Tipping Point Medical Images, Llc Method and apparatus for performing stereoscopic rotation of a volume on a head display unit
US11228753B1 (en) * 2006-12-28 2022-01-18 Robert Edwin Douglas Method and apparatus for performing stereoscopic zooming on a head display unit
GB0818775D0 (en) * 2008-10-13 2008-11-19 Isis Innovation Investigation of physical properties of an object
JP5528083B2 (ja) * 2009-12-11 2014-06-25 キヤノン株式会社 画像生成装置、画像生成方法、及び、プログラム
US8553223B2 (en) 2010-03-31 2013-10-08 Covidien Lp Biodegradable fibers for sensing
US20140049770A1 (en) * 2012-08-15 2014-02-20 Nellcor Puritan Bennett Llc Determining absorption coefficients in a photoacoustic system
WO2014062911A2 (fr) * 2012-10-17 2014-04-24 The Trustees Of The University Of Pennsylvania Procédé de surveillance et d'amélioration de la circulation sanguine aller durant une réanimation cardio-pulmonaire
DE102014107261A1 (de) * 2014-05-22 2015-11-26 Nirlus Engineering Ag Verfahren zur nichtinvasiven optischen Messung von Eigenschaften von fließendem Blut
KR102534002B1 (ko) * 2018-02-14 2023-05-19 삼성전자주식회사 복수 개의 수신부들을 이용하여 생체 정보를 감지하는 센서를 포함하는 전자 장치 및 제어 방법
US10846911B1 (en) * 2019-07-09 2020-11-24 Robert Edwin Douglas 3D imaging of virtual fluids and virtual sounds
IL268654B (en) * 2019-08-12 2021-02-28 Elbit Systems Land & C4I Ltd Optical system for seismic survey
US11090873B1 (en) * 2020-02-02 2021-08-17 Robert Edwin Douglas Optimizing analysis of a 3D printed object through integration of geo-registered virtual objects
FR3127385B1 (fr) * 2021-09-30 2025-04-25 Commissariat Energie Atomique Procédé sans brassard de détermination de la pression artérielle d’un utilisateur
CN115844341A (zh) * 2022-11-24 2023-03-28 香港心脑血管健康工程研究中心有限公司 一种声光结合的血压图信号和血管信息测量装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5833602A (en) * 1993-09-20 1998-11-10 Osemwota; Omoigui Process of continuous noninvasive hemometry
US20070123778A1 (en) * 2003-10-13 2007-05-31 Volurine Israel Ltd. Bladder measurement

Family Cites Families (96)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1206462B (it) * 1984-08-07 1989-04-27 Anic Spa Fotometro a luce impulsata a lunghezza d'onda multipla per monitoraggio non-invasivo.
US4802486A (en) * 1985-04-01 1989-02-07 Nellcor Incorporated Method and apparatus for detecting optical pulses
US4890619A (en) * 1986-04-15 1990-01-02 Hatschek Rudolf A System for the measurement of the content of a gas in blood, in particular the oxygen saturation of blood
US4800495A (en) * 1986-08-18 1989-01-24 Physio-Control Corporation Method and apparatus for processing signals used in oximetry
US4892101A (en) * 1986-08-18 1990-01-09 Physio-Control Corporation Method and apparatus for offsetting baseline portion of oximeter signal
JPS63275323A (ja) * 1987-05-08 1988-11-14 Hamamatsu Photonics Kk 診断装置
US4805623A (en) * 1987-09-04 1989-02-21 Vander Corporation Spectrophotometric method for quantitatively determining the concentration of a dilute component in a light- or other radiation-scattering environment
US4796636A (en) * 1987-09-10 1989-01-10 Nippon Colin Co., Ltd. Noninvasive reflectance oximeter
US4807631A (en) * 1987-10-09 1989-02-28 Critikon, Inc. Pulse oximetry system
US4807630A (en) * 1987-10-09 1989-02-28 Advanced Medical Systems, Inc. Apparatus and method for use in pulse oximeters
US4800885A (en) * 1987-12-02 1989-01-31 The Boc Group, Inc. Blood constituent monitoring apparatus and methods with frequency division multiplexing
US5078136A (en) * 1988-03-30 1992-01-07 Nellcor Incorporated Method and apparatus for calculating arterial oxygen saturation based plethysmographs including transients
EP0374668A3 (fr) * 1988-12-16 1992-02-05 A.W. Faber - Castell GmbH & Co. Liquide de marquage fluorescent
US5187672A (en) * 1989-02-06 1993-02-16 Nim Incorporated Phase modulation spectroscopic system
US5596986A (en) * 1989-03-17 1997-01-28 Scico, Inc. Blood oximeter
US5090410A (en) * 1989-06-28 1992-02-25 Datascope Investment Corp. Fastener for attaching sensor to the body
US5483646A (en) * 1989-09-29 1996-01-09 Kabushiki Kaisha Toshiba Memory access control method and system for realizing the same
DE3938759A1 (de) * 1989-11-23 1991-05-29 Philips Patentverwaltung Nichtinvasive oximeteranordnung
EP0613652B1 (fr) * 1990-02-15 1997-04-16 Hewlett-Packard GmbH Appareil et méthode pour la mesure non-invasive du taux d'oxygène
US6681128B2 (en) * 1990-10-06 2004-01-20 Hema Metrics, Inc. System for noninvasive hematocrit monitoring
US5490505A (en) * 1991-03-07 1996-02-13 Masimo Corporation Signal processing apparatus
AU658177B2 (en) * 1991-03-07 1995-04-06 Masimo Corporation Signal processing apparatus and method
US5995855A (en) * 1998-02-11 1999-11-30 Masimo Corporation Pulse oximetry sensor adapter
DE4138702A1 (de) * 1991-03-22 1992-09-24 Madaus Medizin Elektronik Verfahren und vorrichtung zur diagnose und quantitativen analyse von apnoe und zur gleichzeitigen feststellung anderer erkrankungen
US5267563A (en) * 1991-06-28 1993-12-07 Nellcor Incorporated Oximeter sensor with perfusion enhancing
DE69227545T2 (de) * 1991-07-12 1999-04-29 Robinson, Mark R., Albuquerque, N.Mex. Oximeter zur zuverlässigen klinischen Bestimmung der Blutsauerstoffsättigung in einem Fötus
US5249576A (en) * 1991-10-24 1993-10-05 Boc Health Care, Inc. Universal pulse oximeter probe
US5385143A (en) * 1992-02-06 1995-01-31 Nihon Kohden Corporation Apparatus for measuring predetermined data of living tissue
US5263244A (en) * 1992-04-17 1993-11-23 Gould Inc. Method of making a flexible printed circuit sensor assembly for detecting optical pulses
JP3165983B2 (ja) * 1992-06-15 2001-05-14 日本光電工業株式会社 パルスオキシメータ用発光素子駆動装置
US5377675A (en) * 1992-06-24 1995-01-03 Nellcor, Inc. Method and apparatus for improved fetus contact with fetal probe
US5368224A (en) * 1992-10-23 1994-11-29 Nellcor Incorporated Method for reducing ambient noise effects in electronic monitoring instruments
US5287853A (en) * 1992-12-11 1994-02-22 Hewlett-Packard Company Adapter cable for connecting a pulsoximetry sensor unit to a medical measuring device
WO1994027493A1 (fr) * 1993-05-28 1994-12-08 Somanetics Corporation Procede et appareil d'oximetrie cerebrale spectrophotometrique
US5485847A (en) * 1993-10-08 1996-01-23 Nellcor Puritan Bennett Incorporated Pulse oximeter using a virtual trigger for heart rate synchronization
JP3125079B2 (ja) * 1993-12-07 2001-01-15 日本光電工業株式会社 パルスオキシメータ
US5507286A (en) * 1993-12-23 1996-04-16 Medical Taping Systems, Inc. Method and apparatus for improving the durability of a sensor
US5575284A (en) * 1994-04-01 1996-11-19 University Of South Florida Portable pulse oximeter
US5491299A (en) * 1994-06-03 1996-02-13 Siemens Medical Systems, Inc. Flexible multi-parameter cable
US5490523A (en) * 1994-06-29 1996-02-13 Nonin Medical Inc. Finger clip pulse oximeter
DE4429845C1 (de) * 1994-08-23 1995-10-19 Hewlett Packard Gmbh Pulsoximetrie-Sensor
US5758644A (en) * 1995-06-07 1998-06-02 Masimo Corporation Manual and automatic probe calibration
US5638816A (en) * 1995-06-07 1997-06-17 Masimo Corporation Active pulse blood constituent monitoring
US5853364A (en) * 1995-08-07 1998-12-29 Nellcor Puritan Bennett, Inc. Method and apparatus for estimating physiological parameters using model-based adaptive filtering
US5797841A (en) * 1996-03-05 1998-08-25 Nellcor Puritan Bennett Incorporated Shunt barrier in pulse oximeter sensor
EP0892617B1 (fr) * 1996-04-01 2001-09-19 Linde Medical Sensors AG Detection de signaux parasites lors de mesures pulsoxymetriques
US5871442A (en) * 1996-09-10 1999-02-16 International Diagnostics Technologies, Inc. Photonic molecular probe
US6018673A (en) * 1996-10-10 2000-01-25 Nellcor Puritan Bennett Incorporated Motion compatible sensor for non-invasive optical blood analysis
US6343223B1 (en) * 1997-07-30 2002-01-29 Mallinckrodt Inc. Oximeter sensor with offset emitters and detector and heating device
US6018674A (en) * 1997-08-11 2000-01-25 Datex-Ohmeda, Inc. Fast-turnoff photodiodes with switched-gain preamplifiers in photoplethysmographic measurement instruments
US5865736A (en) * 1997-09-30 1999-02-02 Nellcor Puritan Bennett, Inc. Method and apparatus for nuisance alarm reductions
CA2319480C (fr) * 1998-02-05 2005-01-18 In-Line Diagnostics Corporation Procede et appareil pour un monitorage non invasif de constituants sanguins
US6014576A (en) * 1998-02-27 2000-01-11 Datex-Ohmeda, Inc. Segmented photoplethysmographic sensor with universal probe-end
DE69800355T2 (de) * 1998-06-05 2001-03-01 Hewlett-Packard Co., Palo Alto Pulsfrequenz- und Herzfrequenz-Übereinstimmungsdetektion für die Pulsoxymetrie
WO2000009004A2 (fr) * 1998-08-13 2000-02-24 Whitland Research Limited Dispositif optique
DE69942391D1 (de) * 1998-07-04 2010-07-01 Whitland Res Ltd Unblutige messung von analyten aus blut
US6343224B1 (en) * 1998-10-15 2002-01-29 Sensidyne, Inc. Reusable pulse oximeter probe and disposable bandage apparatus
US6684091B2 (en) * 1998-10-15 2004-01-27 Sensidyne, Inc. Reusable pulse oximeter probe and disposable bandage method
US6684090B2 (en) * 1999-01-07 2004-01-27 Masimo Corporation Pulse oximetry data confidence indicator
US6175751B1 (en) * 1999-03-16 2001-01-16 Allen Maizes Apparatus and method for sensing oxygen levels in a fetus
US6675031B1 (en) * 1999-04-14 2004-01-06 Mallinckrodt Inc. Method and circuit for indicating quality and accuracy of physiological measurements
WO2001082099A1 (fr) * 1999-05-01 2001-11-01 The Court Of Napier University Procede pour l'analyse de signaux medicaux
US20030018243A1 (en) * 1999-07-07 2003-01-23 Gerhardt Thomas J. Selectively plated sensor
US6512937B2 (en) * 1999-07-22 2003-01-28 Sensys Medical, Inc. Multi-tier method of developing localized calibration models for non-invasive blood analyte prediction
US6339715B1 (en) * 1999-09-30 2002-01-15 Ob Scientific Method and apparatus for processing a physiological signal
US6397092B1 (en) * 1999-12-17 2002-05-28 Datex-Ohmeda, Inc. Oversampling pulse oximeter
US6385821B1 (en) * 2000-02-17 2002-05-14 Udt Sensors, Inc. Apparatus for securing an oximeter probe to a patient
IL135077A0 (en) * 2000-03-15 2001-05-20 Orsense Ltd A probe for use in non-invasive measurements of blood related parameters
US6538721B2 (en) * 2000-03-24 2003-03-25 Nikon Corporation Scanning exposure apparatus
US6510331B1 (en) * 2000-06-05 2003-01-21 Glenn Williams Switching device for multi-sensor array
GB0014854D0 (en) * 2000-06-16 2000-08-09 Isis Innovation System and method for acquiring data
US6606510B2 (en) * 2000-08-31 2003-08-12 Mallinckrodt Inc. Oximeter sensor with digital memory encoding patient data
US6505060B1 (en) * 2000-09-29 2003-01-07 Datex-Ohmeda, Inc. Method and apparatus for determining pulse oximetry differential values
US6434408B1 (en) * 2000-09-29 2002-08-13 Datex-Ohmeda, Inc. Pulse oximetry method and system with improved motion correction
US6505133B1 (en) * 2000-11-15 2003-01-07 Datex-Ohmeda, Inc. Simultaneous signal attenuation measurements utilizing code division multiplexing
WO2002056760A1 (fr) * 2001-01-19 2002-07-25 Tufts University Procede permettant de mesurer la saturation veineuse en oxygene
US6510329B2 (en) * 2001-01-24 2003-01-21 Datex-Ohmeda, Inc. Detection of sensor off conditions in a pulse oximeter
US6505061B2 (en) * 2001-04-20 2003-01-07 Datex-Ohmeda, Inc. Pulse oximetry sensor with improved appendage cushion
WO2002089664A2 (fr) * 2001-05-03 2002-11-14 Masimo Corporation Detecteur optique protege par un circuit souple
IL145445A (en) * 2001-09-13 2006-12-31 Conmed Corp A method for signal processing and a device for improving signal for noise
GB0123395D0 (en) * 2001-09-28 2001-11-21 Isis Innovation Locating features ina photoplethysmograph signal
US6840904B2 (en) * 2001-10-11 2005-01-11 Jason Goldberg Medical monitoring device and system
US6839579B1 (en) * 2001-11-02 2005-01-04 Nellcor Puritan Bennett Incorporated Temperature indicating oximetry sensor
US6839580B2 (en) * 2001-12-06 2005-01-04 Ric Investments, Inc. Adaptive calibration for pulse oximetry
KR100455289B1 (ko) * 2002-03-16 2004-11-08 삼성전자주식회사 빛을 이용한 진단방법 및 장치
US20080009689A1 (en) * 2002-04-09 2008-01-10 Benaron David A Difference-weighted somatic spectroscopy
US8996090B2 (en) * 2002-06-03 2015-03-31 Exostat Medical, Inc. Noninvasive detection of a physiologic parameter within a body tissue of a patient
US6993372B2 (en) * 2003-06-03 2006-01-31 Orsense Ltd. Method and system for use in non-invasive optical measurements of blood parameters
US6992772B2 (en) * 2003-06-19 2006-01-31 Optix Lp Method and apparatus for optical sampling to reduce interfering variances
US7003338B2 (en) * 2003-07-08 2006-02-21 Masimo Corporation Method and apparatus for reducing coupling between signals
US7162288B2 (en) * 2004-02-25 2007-01-09 Nellcor Purtain Bennett Incorporated Techniques for detecting heart pulses and reducing power consumption in sensors
AU2004203059A1 (en) * 2004-06-08 2005-12-22 The Government Of The United States Of America As Represented By The Secretary Of The Department Of Health And Human Services, Centers For Disease Control And Prevention Apparatus and method for assessing peripheral circulation to evaluate a physiological condition
US7747301B2 (en) * 2005-03-30 2010-06-29 Skyline Biomedical, Inc. Apparatus and method for non-invasive and minimally-invasive sensing of parameters relating to blood
US8021299B2 (en) * 2005-06-01 2011-09-20 Medtronic, Inc. Correlating a non-polysomnographic physiological parameter set with sleep states
US8574156B2 (en) * 2005-07-05 2013-11-05 General Electric Company Determination of the clinical state of a subject
US20080015451A1 (en) * 2006-07-13 2008-01-17 Hatib Feras S Method and Apparatus for Continuous Assessment of a Cardiovascular Parameter Using the Arterial Pulse Pressure Propagation Time and Waveform

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5833602A (en) * 1993-09-20 1998-11-10 Osemwota; Omoigui Process of continuous noninvasive hemometry
US20070123778A1 (en) * 2003-10-13 2007-05-31 Volurine Israel Ltd. Bladder measurement

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
TARDY Y ET AL: "Measurement and analysis of arterial diameter-pressure curves: A novel method based on ultrasonic and photoplethysmographic techniques", ULTRASONIC IMAGING, DYNAMEDIA INC., SILVER SPRING, MD, US, vol. 11, no. 2, 1 April 1989 (1989-04-01), pages 141, XP026379824, ISSN: 0161-7346, [retrieved on 19890401] *
THOMAS K. ALDRICH, MARK MOOSIKASUWAN, SAMIR D. SHAH, KEDAR S. DESHPANDE: "Length-Normalized Pulse Photoplethysmography: A Noninvasive Method to Measure Blood Hemoglobin", ANNALS OF BIOMEDICAL ENGINEERING, vol. 30, no. 10, November 2002 (2002-11-01), pages 1291 - 1298, XP002553652 *

Also Published As

Publication number Publication date
US20100081912A1 (en) 2010-04-01
EP2328481A2 (fr) 2011-06-08
WO2010039421A2 (fr) 2010-04-08

Similar Documents

Publication Publication Date Title
WO2010039421A3 (fr) Hémomètre doppler optique à ultrasons et technique d’utilisation
WO2008103390A3 (fr) Système et procédé de détection d'hypotension orthostatique
WO2011053969A3 (fr) Mesure au laser d'une armature de véhicule
WO2012038012A3 (fr) Procédé d'assemblage de composants
WO2008063700A3 (fr) Procédés pour détecter des êtres humains
WO2014102760A3 (fr) Pointage et poursuite d'énergie à déphasage pour traitement d'ablation
WO2010106483A3 (fr) Appareil de détermination d'une propriété d'écoulement d'un fluide
WO2008001334A3 (fr) Mesure d'intégration de signaux pour données sismiques
WO2011076478A3 (fr) Procédé de détermination et de surveillance du niveau de remplissage d'un contenant, renfermant un fluide, selon un procédé de mesure du temps de propagation
WO2012063066A3 (fr) Capteur réparti à fibre optique
WO2008075081A3 (fr) Composition et méthodes permettant de déceler la déminéralisation
WO2010141211A3 (fr) Navigation vers une destination mobile
GB201116961D0 (en) Fast calibration for lidars
WO2011016892A3 (fr) Lidar d'imagerie de distance
WO2012135611A3 (fr) Procédés et appareil pour l'imagerie par ultrasons
WO2010062627A3 (fr) Biocapteurs basés sur des sondes et capteurs optiques
WO2009140660A3 (fr) Système et procédé pour évaluer un tissu
WO2008045743A3 (fr) Capteur qui compense la détérioration d'un milieu pouvant être luminescent
WO2012123898A3 (fr) Traitement du son basé sur une mesure de confiance
WO2009063400A3 (fr) Mesure de l'orientation d'un objet
WO2009148897A3 (fr) Détermination de la position d'équipements d'étude à l'aide d'un modèle
WO2011015949A9 (fr) Estimation de paramètres d'alignement dans la focalisation ultrasonore guidée par résonance magnétique
WO2012048156A3 (fr) Procédé pour déterminer une propriété asymétrique d'une structure
WO2009150396A3 (fr) Détermination de la position d’un ensemble de foyers sismiques
WO2009050831A1 (fr) Matériel et procédé de mesure de distances

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 09792552

Country of ref document: EP

Kind code of ref document: A2

REEP Request for entry into the european phase

Ref document number: 2009792552

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 2009792552

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: DE