ATE485764T1 - Vorrichtung zur schätzung des hämatokrits - Google Patents

Vorrichtung zur schätzung des hämatokrits

Info

Publication number
ATE485764T1
ATE485764T1 AT05778392T AT05778392T ATE485764T1 AT E485764 T1 ATE485764 T1 AT E485764T1 AT 05778392 T AT05778392 T AT 05778392T AT 05778392 T AT05778392 T AT 05778392T AT E485764 T1 ATE485764 T1 AT E485764T1
Authority
AT
Austria
Prior art keywords
hematocrit
technique
order
electrical impedance
patient
Prior art date
Application number
AT05778392T
Other languages
English (en)
Inventor
Robert J Sweeney
Julio C Spinelli
Rodney W Salo
Original Assignee
Cardiac Pacemakers 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 Cardiac Pacemakers Inc filed Critical Cardiac Pacemakers Inc
Application granted granted Critical
Publication of ATE485764T1 publication Critical patent/ATE485764T1/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
    • A61B5/05—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
    • A61B5/0538—Measuring electrical impedance or conductance of a portion of the body invasively, e.g. using a catheter
    • 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
    • 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
    • A61B5/14535—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 for measuring haematocrit
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/362—Heart stimulators
    • A61N1/365—Heart stimulators controlled by a physiological parameter, e.g. heart potential
    • A61N1/36514—Heart stimulators controlled by a physiological parameter, e.g. heart potential controlled by a physiological quantity other than heart potential, e.g. blood pressure
    • A61N1/36521—Heart stimulators controlled by a physiological parameter, e.g. heart potential controlled by a physiological quantity other than heart potential, e.g. blood pressure the parameter being derived from measurement of an electrical impedance

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Optics & Photonics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • External Artificial Organs (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
AT05778392T 2004-08-02 2005-08-01 Vorrichtung zur schätzung des hämatokrits ATE485764T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/909,926 US7356366B2 (en) 2004-08-02 2004-08-02 Device for monitoring fluid status
PCT/US2005/027277 WO2006017446A1 (en) 2004-08-02 2005-08-01 Device for estimating hematocrit

Publications (1)

Publication Number Publication Date
ATE485764T1 true ATE485764T1 (de) 2010-11-15

Family

ID=35124553

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05778392T ATE485764T1 (de) 2004-08-02 2005-08-01 Vorrichtung zur schätzung des hämatokrits

Country Status (6)

Country Link
US (2) US7356366B2 (de)
EP (1) EP1781169B1 (de)
JP (1) JP4774054B2 (de)
AT (1) ATE485764T1 (de)
DE (1) DE602005024408D1 (de)
WO (1) WO2006017446A1 (de)

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Also Published As

Publication number Publication date
US8103326B2 (en) 2012-01-24
EP1781169A1 (de) 2007-05-09
US7356366B2 (en) 2008-04-08
JP4774054B2 (ja) 2011-09-14
US20060025661A1 (en) 2006-02-02
DE602005024408D1 (de) 2010-12-09
JP2008508078A (ja) 2008-03-21
WO2006017446A1 (en) 2006-02-16
EP1781169B1 (de) 2010-10-27
US20080188730A1 (en) 2008-08-07

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