CA2218281C - Procede et appareil de determination non invasive de l'hematocrite - Google Patents

Procede et appareil de determination non invasive de l'hematocrite Download PDF

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Publication number
CA2218281C
CA2218281C CA002218281A CA2218281A CA2218281C CA 2218281 C CA2218281 C CA 2218281C CA 002218281 A CA002218281 A CA 002218281A CA 2218281 A CA2218281 A CA 2218281A CA 2218281 C CA2218281 C CA 2218281C
Authority
CA
Canada
Prior art keywords
signals
blood
current
voltage
quadrature
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.)
Expired - Fee Related
Application number
CA002218281A
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English (en)
Other versions
CA2218281A1 (fr
Inventor
Paul W. Ruben
Allan L. Kaminsky
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.)
Microcor Inc
Original Assignee
Microcor 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
Priority claimed from US08/425,404 external-priority patent/US5526808A/en
Priority claimed from US08/602,700 external-priority patent/US5642734A/en
Application filed by Microcor Inc filed Critical Microcor Inc
Publication of CA2218281A1 publication Critical patent/CA2218281A1/fr
Application granted granted Critical
Publication of CA2218281C publication Critical patent/CA2218281C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/483—Physical analysis of biological material
    • G01N33/487—Physical analysis of biological material of liquid biological material
    • G01N33/49—Blood
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/14535—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring haematocrit
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/48—Other medical applications
    • A61B5/4869—Determining body composition
    • 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
    • A61B5/7264—Classification of physiological signals or data, e.g. using neural networks, statistical classifiers, expert systems or fuzzy systems

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Hematology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Chemical & Material Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Medical Informatics (AREA)
  • Urology & Nephrology (AREA)
  • Ecology (AREA)
  • Optics & Photonics (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
CA002218281A 1995-04-20 1996-04-03 Procede et appareil de determination non invasive de l'hematocrite Expired - Fee Related CA2218281C (fr)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US08/425,404 US5526808A (en) 1990-10-04 1995-04-20 Method and apparatus for noninvasively determining hematocrit
US08/425,404 1995-04-20
US48449095A 1995-06-07 1995-06-07
US08/484,490 1995-06-07
US08/602,700 1996-02-16
US08/602,700 US5642734A (en) 1990-10-04 1996-02-16 Method and apparatus for noninvasively determining hematocrit
PCT/US1996/004547 WO1996032883A1 (fr) 1995-04-20 1996-04-03 Procede et appareil de determination non invasive de l'hematocrite

Publications (2)

Publication Number Publication Date
CA2218281A1 CA2218281A1 (fr) 1996-10-24
CA2218281C true CA2218281C (fr) 2004-08-17

Family

ID=27411466

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002218281A Expired - Fee Related CA2218281C (fr) 1995-04-20 1996-04-03 Procede et appareil de determination non invasive de l'hematocrite

Country Status (6)

Country Link
EP (1) EP0955871A4 (fr)
JP (1) JP3844779B2 (fr)
CN (1) CN1244779A (fr)
AU (1) AU5383796A (fr)
CA (1) CA2218281C (fr)
WO (1) WO1996032883A1 (fr)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6766191B1 (en) 1990-10-04 2004-07-20 Microcor, Inc. System and method for in-vivo hematocrit measurement using impedance and pressure plethysmography
ES2143911B1 (es) * 1997-03-06 2000-12-01 Nte Sa Metodo y aparato para medir la concentracion y composicion de biomasa.
JP2002501802A (ja) * 1998-02-04 2002-01-22 ダーマル セラピー （バルバドス） インク． 体液中のグルコースを非侵襲的に測定するための方法及び装置
WO2001088521A1 (fr) * 2000-05-16 2001-11-22 Microcor, Inc. Systeme et procede de mesure de l'hematocrite in vivo dans lesquelles on utilise la plethysmographie par impedance et pression
US7228170B2 (en) 2000-08-14 2007-06-05 Renal Research Institute, Llc Device and method for monitoring and controlling physiologic parameters of a dialysis patient using segmental bioimpedance
US6615077B1 (en) 2000-08-14 2003-09-02 Renal Research Institute, Llc Device and method for monitoring and controlling physiologic parameters of a dialysis patient using segmental bioimpedence
EP1613212B1 (fr) 2003-03-25 2016-08-24 Fresenius Medical Care Holdings, Inc. Dispositif et procede permettant d'executer une tomographie a impedance electrique
EP1622508B1 (fr) * 2003-05-12 2014-04-09 Cheetah Medical, Inc. Système et procede pour mesurer le debit sanguin et le volume sanguin
EP1628564B1 (fr) * 2003-06-03 2014-02-12 Orsense Ltd. Procédé et système destinés à être utilisés dans des mesures optiques non invasives de paramètres sanguins
CN100432663C (zh) * 2003-12-04 2008-11-12 松下电器产业株式会社 血细胞比容(Hct)的测定方法及该方法中使用的传感器和测定装置
US8535497B2 (en) 2003-12-04 2013-09-17 Panasonic Corporation Method of measuring blood component, sensor used in the method, and measuring device
EP1742045B1 (fr) 2004-04-19 2016-11-02 Panasonic Healthcare Holdings Co., Ltd. Procede de mesure de composants du sang et biocapteur et instrument de mesure pour utilisation avec celui-ci
US7356366B2 (en) * 2004-08-02 2008-04-08 Cardiac Pacemakers, Inc. Device for monitoring fluid status
JP2008529708A (ja) 2005-02-15 2008-08-07 チータ メディカル リミテッド 血流量および血液量を測定するためのシステム、方法、および装置
EP2329764A3 (fr) 2005-11-10 2011-10-19 Solianis Holding AG Dispositif permettant de déterminer le niveau de glucose dans le tissu corporel
JP4640608B2 (ja) * 2005-12-12 2011-03-02 ソニー株式会社 検出装置及び検出方法
JP5071768B2 (ja) * 2006-12-08 2012-11-14 学校法人日本大学 血流速度測定装置
JP5071767B2 (ja) * 2006-12-08 2012-11-14 学校法人日本大学 生体組織血流量測定装置
US8876725B2 (en) 2007-02-23 2014-11-04 Cheetah Medical, Inc. Method and system for estimating exercise capacity
US9095271B2 (en) 2007-08-13 2015-08-04 Cheetah Medical, Inc. Dynamically variable filter
EP2131737B1 (fr) 2007-03-07 2015-04-29 Cheetah Medical, Inc. Procédé et système permettant de surveiller le sommeil d'un sujet
US8523777B2 (en) 2007-04-19 2013-09-03 Cheetah Medical, Inc. Method, apparatus and system for predicting electromechanical dissociation
US8168063B2 (en) 2008-07-09 2012-05-01 Baxter International Inc. Dialysis system having filtering method for determining therapy prescriptions
US8057679B2 (en) 2008-07-09 2011-11-15 Baxter International Inc. Dialysis system having trending and alert generation
US9514283B2 (en) 2008-07-09 2016-12-06 Baxter International Inc. Dialysis system having inventory management including online dextrose mixing
US7981281B2 (en) 2008-07-09 2011-07-19 Baxter International, Inc. Dialysis system having regimen generation methodology
US8062513B2 (en) 2008-07-09 2011-11-22 Baxter International Inc. Dialysis system and machine having therapy prescription recall
JP5829123B2 (ja) * 2008-09-22 2015-12-09 チーター メディカル インコーポレイテッド 血流量を決定するためのシステムおよび方法
EP2429380A1 (fr) 2009-04-17 2012-03-21 Biovotion AG Mesure de réponse à un champ à large bande pour la détermination du glucose
US8282829B2 (en) 2009-05-20 2012-10-09 Baxter International Inc. System and method for automated data collection of twenty-four hour ultrafiltration and other patient parameters using wired or wireless technology
US8926551B2 (en) 2009-07-07 2015-01-06 Baxter Healthcare Inc. Peritoneal dialysis therapy with large dialysis solution volumes
JP2011078443A (ja) * 2009-10-02 2011-04-21 Tanita Corp 生体測定装置
ES2656222T3 (es) * 2011-02-17 2018-02-26 Qualcomm Incorporated Un procedimiento de y un sistema para la determinación de una magnitud cardiovascular de un mamífero
CN102694509B (zh) * 2011-03-22 2017-02-15 北京汉朔科技有限公司 具有交流激励功能的集成电生理信号放大器
JP5726662B2 (ja) * 2011-07-22 2015-06-03 学校法人上智学院 血液インピーダンス計測装置、人工透析装置及び血液のインピーダンスを計測する装置の作動方法
KR102432709B1 (ko) 2011-07-25 2022-08-12 치타 메디컬, 인코퍼레이티드 혈류역학 감시 방법 및 시스템
US8623660B2 (en) * 2011-09-30 2014-01-07 Lifescan Scotland Limited Hand-held test meter with phase-shift-based hematocrit measurement circuit
CN103149132B (zh) * 2013-03-18 2015-02-25 深圳市理邦精密仪器股份有限公司 提高测量红细胞压积准确度的检测系统、及运行控制方法
US20150196224A1 (en) * 2014-01-16 2015-07-16 Dermal Therapy (Barbados) Inc. Implantable Sensor and Method for Such Sensor
JP6449994B2 (ja) 2014-05-23 2019-01-09 ノヴァ バイオメディカル コーポレイション 溶血検出方法およびシステム
CN105403691B (zh) * 2016-01-01 2017-08-18 赛奥生物科技（青岛）有限公司 一种血液试剂分析系统
EP3542368A1 (fr) * 2016-11-21 2019-09-25 Sensome Caractérisation et identification de structure biologique
AU2018300002B2 (en) * 2017-07-11 2021-02-18 Fresenius Medical Care Holdings, Inc. Techniques for determining fluid volumes using bioimpedance information
JP6895876B2 (ja) * 2017-12-13 2021-06-30 アークレイ株式会社 血液中のヘマトクリット値を測定する測定方法および測定装置
WO2020232706A1 (fr) * 2019-05-23 2020-11-26 麦层移动健康管理有限公司 Procédé et dispositif de mesure de fluide corporel et de ses changements et de mesure de changements de débit sanguin

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3994284A (en) * 1975-12-31 1976-11-30 Systron Donner Corporation Flow rate computer adjunct for use with an impedance plethysmograph and method
US4425920A (en) * 1980-10-24 1984-01-17 Purdue Research Foundation Apparatus and method for measurement and control of blood pressure
DE3202067C2 (de) * 1982-01-23 1984-06-20 Holger Dr. 5100 Aachen Kiesewetter Vorrichtung zur Bestimmung des Hämatokritwertes
SE455043B (sv) * 1982-04-22 1988-06-20 Karolinska Inst Anordning for overvakning av menniskokroppens vetskebalans genom metning av kroppens impedans
JP2665806B2 (ja) * 1989-09-13 1997-10-22 株式会社豊田中央研究所 ヘマトクリット測定装置
US5404879A (en) * 1993-01-19 1995-04-11 Hewlett-Packard Method and apparatus for automatic non-invasive monitoring of a patient's blood pressure
JP3345481B2 (ja) * 1993-09-22 2002-11-18 興和株式会社 脈波分光計

Also Published As

Publication number Publication date
WO1996032883A1 (fr) 1996-10-24
JP3844779B2 (ja) 2006-11-15
CN1244779A (zh) 2000-02-16
EP0955871A4 (fr) 2000-03-22
AU5383796A (en) 1996-11-07
EP0955871A1 (fr) 1999-11-17
JP2001500392A (ja) 2001-01-16
CA2218281A1 (fr) 1996-10-24

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