AU5383796A - Method and apparatus for noninvasively determining hematocri t - Google Patents

Method and apparatus for noninvasively determining hematocri t

Info

Publication number
AU5383796A
AU5383796A AU53837/96A AU5383796A AU5383796A AU 5383796 A AU5383796 A AU 5383796A AU 53837/96 A AU53837/96 A AU 53837/96A AU 5383796 A AU5383796 A AU 5383796A AU 5383796 A AU5383796 A AU 5383796A
Authority
AU
Australia
Prior art keywords
hematocri
noninvasively determining
noninvasively
determining
determining hematocri
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.)
Abandoned
Application number
AU53837/96A
Inventor
Allan L. Kaminsky
Paul W. Ruben
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 AU5383796A publication Critical patent/AU5383796A/en
Abandoned legal-status Critical Current

Links

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)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Chemical & Material Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Urology & Nephrology (AREA)
  • Ecology (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (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)
AU53837/96A 1995-04-20 1996-04-03 Method and apparatus for noninvasively determining hematocri t Abandoned AU5383796A (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US484490 1983-04-13
US602700 1984-04-23
US08/425,404 US5526808A (en) 1990-10-04 1995-04-20 Method and apparatus for noninvasively determining hematocrit
US425404 1995-04-20
US48449095A 1995-06-07 1995-06-07
US08/602,700 US5642734A (en) 1990-10-04 1996-02-16 Method and apparatus for noninvasively determining hematocrit
PCT/US1996/004547 WO1996032883A1 (en) 1995-04-20 1996-04-03 Method and apparatus for noninvasively determining hematocrit

Publications (1)

Publication Number Publication Date
AU5383796A true AU5383796A (en) 1996-11-07

Family

ID=27411466

Family Applications (1)

Application Number Title Priority Date Filing Date
AU53837/96A Abandoned AU5383796A (en) 1995-04-20 1996-04-03 Method and apparatus for noninvasively determining hematocri t

Country Status (6)

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

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US6766191B1 (en) 1990-10-04 2004-07-20 Microcor, Inc. System and method for in-vivo hematocrit measurement using impedance and pressure plethysmography
ES2143911B1 (en) * 1997-03-06 2000-12-01 Nte Sa METHOD AND APPARATUS FOR MEASURING THE CONCENTRATION AND COMPOSITION OF BIOMASS.
CA2318735A1 (en) * 1998-02-04 1999-08-12 Dermal Therapy (Barbados) Inc. Method and apparatus for non-invasive determination of glucose in body fluids
TW577726B (en) * 2000-05-16 2004-03-01 Microcor Inc System and method for in-vivo hematocrit measurement using impedance and pressure plethysmography
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
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
WO2004086940A2 (en) 2003-03-25 2004-10-14 Fresenius Medical Care Holdings, Inc. Device and method for performing electrical impedance tomography
CA2525443C (en) * 2003-05-12 2013-12-17 Cheetah Medical Inc. System, method and apparatus for measuring blood flow and blood volume
CN100457021C (en) * 2003-06-03 2009-02-04 奥森斯有限公司 Method and system for use in non-invasive optical measurements of blood parameters
US8088271B2 (en) * 2003-12-04 2012-01-03 Panasonic Corporation Method of measuring hematocrit (Hct), sensor used in the method, and measuring device
CA2548440C (en) 2003-12-04 2016-01-12 Matsushita Electric Industrial Co., Ltd. Method of measuring blood component, sensor used in the method, and measuring device
CA2559297C (en) 2004-04-19 2012-05-22 Matsushita Electric Industrial Co., Ltd. Method for measuring blood components and biosensor and measuring instrument for use therein
US7356366B2 (en) * 2004-08-02 2008-04-08 Cardiac Pacemakers, Inc. Device for monitoring fluid status
DK1848326T3 (en) 2005-02-15 2017-02-13 Cheetah Medical Inc SYSTEM, METHOD AND APPARATUS FOR MEASURING BLOOD FLOW AND BLOOD VOLUME
EP1954175B1 (en) * 2005-11-10 2016-07-13 Biovotion AG Device for determining the glucose level in body tissue
JP4640608B2 (en) * 2005-12-12 2011-03-02 ソニー株式会社 Detection apparatus and detection method
JP5071768B2 (en) * 2006-12-08 2012-11-14 学校法人日本大学 Blood flow velocity measuring device
JP5071767B2 (en) * 2006-12-08 2012-11-14 学校法人日本大学 Biological tissue blood flow measurement device
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
WO2008107899A1 (en) 2007-03-07 2008-09-12 Cheetah Medical Ltd. Method and system for monitoring sleep
CA2683684C (en) 2007-04-19 2016-02-02 Cheetah Medical Ltd. Method, apparatus and system for predicting electromechanical dissociation
US7981281B2 (en) 2008-07-09 2011-07-19 Baxter International, Inc. Dialysis system having regimen generation methodology
US8168063B2 (en) 2008-07-09 2012-05-01 Baxter International Inc. Dialysis system having filtering method for determining therapy prescriptions
US9514283B2 (en) 2008-07-09 2016-12-06 Baxter International Inc. Dialysis system having inventory management including online dextrose mixing
US8062513B2 (en) 2008-07-09 2011-11-22 Baxter International Inc. Dialysis system and machine having therapy prescription recall
US8057679B2 (en) 2008-07-09 2011-11-15 Baxter International Inc. Dialysis system having trending and alert generation
WO2010032252A1 (en) * 2008-09-22 2010-03-25 Cheetah Medical Ltd. System and method for determining blood flow
JP5628289B2 (en) 2009-04-17 2014-11-19 バイオボーション・アーゲーＢｉｏｖｏｔｉｏｎ ＡＧ Broadband field response measurement for glucose determination
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 (en) * 2009-10-02 2011-04-21 Tanita Corp Biometric measurement apparatus
CN106073731B (en) * 2011-02-17 2020-01-31 高通股份有限公司 Method and system for determining cardiovascular quantity of mammal
CN102694509B (en) * 2011-03-22 2017-02-15 北京汉朔科技有限公司 An integrated electro-physiological signal amplifier with an AC excitation function
JP5726662B2 (en) * 2011-07-22 2015-06-03 学校法人上智学院 Blood impedance measuring device, artificial dialysis device, and method for operating blood impedance measuring device
AU2012288416B2 (en) 2011-07-25 2016-12-22 Cheetah Medical, Inc. Method and system for monitoring hemodynamics
US8623660B2 (en) * 2011-09-30 2014-01-07 Lifescan Scotland Limited Hand-held test meter with phase-shift-based hematocrit measurement circuit
CN103149132B (en) * 2013-03-18 2015-02-25 深圳市理邦精密仪器股份有限公司 Detection system for improving accuracy of measuring packed cell volume accuracy and operating control method
US20150196224A1 (en) * 2014-01-16 2015-07-16 Dermal Therapy (Barbados) Inc. Implantable Sensor and Method for Such Sensor
ES2910952T3 (en) 2014-05-23 2022-05-17 Nova Biomedical Corp Hemolysis and hematocrit detection procedure and system
CN105403691B (en) * 2016-01-01 2017-08-18 赛奥生物科技（青岛）有限公司 A kind of Blood Kit analysis system
CN110199358B (en) * 2016-11-21 2023-10-24 森索姆公司 Characterization and identification of biological structures
WO2019014241A1 (en) * 2017-07-11 2019-01-17 Fresenius Medical Care Holdings, Inc. Techniques for determining fluid volumes using bioimpedance information
JP6895876B2 (en) * 2017-12-13 2021-06-30 アークレイ株式会社 Measuring method and measuring device to measure hematocrit value in blood
WO2020232706A1 (en) * 2019-05-23 2020-11-26 麦层移动健康管理有限公司 Method and device for measuring body fluid and its changes and for measuring blood flow changes

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 (en) * 1982-01-23 1984-06-20 Holger Dr. 5100 Aachen Kiesewetter Device for determining the hematocrit value
SE455043B (en) * 1982-04-22 1988-06-20 Karolinska Inst DEVICE FOR MONITORING THE LIQUID BALANCE OF THE HUMAN BODY BY MEASURING THE IMPEDANCE OF THE BODY
JP2665806B2 (en) * 1989-09-13 1997-10-22 株式会社豊田中央研究所 Hematocrit measuring device
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 (en) * 1993-09-22 2002-11-18 興和株式会社 Pulse wave spectrometer

Also Published As

Publication number Publication date
EP0955871A1 (en) 1999-11-17
WO1996032883A1 (en) 1996-10-24
JP3844779B2 (en) 2006-11-15
EP0955871A4 (en) 2000-03-22
CA2218281C (en) 2004-08-17
CN1244779A (en) 2000-02-16
CA2218281A1 (en) 1996-10-24
JP2001500392A (en) 2001-01-16

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