ATE466522T1 - Vorrichtung und verfahren zur überwachung von körperflüssigkeit und elektrolytstörungen - Google Patents

Vorrichtung und verfahren zur überwachung von körperflüssigkeit und elektrolytstörungen

Info

Publication number
ATE466522T1
ATE466522T1 AT02717631T AT02717631T ATE466522T1 AT E466522 T1 ATE466522 T1 AT E466522T1 AT 02717631 T AT02717631 T AT 02717631T AT 02717631 T AT02717631 T AT 02717631T AT E466522 T1 ATE466522 T1 AT E466522T1
Authority
AT
Austria
Prior art keywords
water
body fluid
compartments
received radiation
absorbance
Prior art date
Application number
AT02717631T
Other languages
English (en)
Inventor
Joseph Schmitt
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 ATE466522T1 publication Critical patent/ATE466522T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0048—Detecting, measuring or recording by applying mechanical forces or stimuli
    • A61B5/0053—Detecting, measuring or recording by applying mechanical forces or stimuli by applying pressure, e.g. compression, indentation, palpation, grasping, gauging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • 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
    • A61B5/14546—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 analytes not otherwise provided for, e.g. ions, cytochromes
    • 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
    • A61B5/4875—Hydration status, fluid retention of the body
    • A61B5/4878—Evaluating oedema
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02438—Detecting, measuring or recording pulse rate or heart rate with portable devices, e.g. worn by the patient
AT02717631T 2001-03-16 2002-03-13 Vorrichtung und verfahren zur überwachung von körperflüssigkeit und elektrolytstörungen ATE466522T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/810,918 US6591122B2 (en) 2001-03-16 2001-03-16 Device and method for monitoring body fluid and electrolyte disorders
PCT/US2002/007759 WO2002074162A1 (en) 2001-03-16 2002-03-13 Device and method for monitoring body fluid and electrolyte disorders

Publications (1)

Publication Number Publication Date
ATE466522T1 true ATE466522T1 (de) 2010-05-15

Family

ID=25205033

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02717631T ATE466522T1 (de) 2001-03-16 2002-03-13 Vorrichtung und verfahren zur überwachung von körperflüssigkeit und elektrolytstörungen

Country Status (8)

Country Link
US (3) US6591122B2 (de)
EP (1) EP1367938B1 (de)
JP (1) JP4220782B2 (de)
AT (1) ATE466522T1 (de)
CA (1) CA2441015C (de)
DE (1) DE60236259D1 (de)
ES (1) ES2343677T3 (de)
WO (1) WO2002074162A1 (de)

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US7236811B2 (en) 2007-06-26
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