CA1188786A - Medical fluid measuring system - Google Patents

Medical fluid measuring system

Info

Publication number
CA1188786A
CA1188786A CA000413947A CA413947A CA1188786A CA 1188786 A CA1188786 A CA 1188786A CA 000413947 A CA000413947 A CA 000413947A CA 413947 A CA413947 A CA 413947A CA 1188786 A CA1188786 A CA 1188786A
Authority
CA
Canada
Prior art keywords
container
liquid
measuring
urine
volume
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
Application number
CA000413947A
Other languages
English (en)
French (fr)
Inventor
John H. Parrish
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.)
Vitalmetrics Inc
Original Assignee
Vitalmetrics 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 Vitalmetrics Inc filed Critical Vitalmetrics Inc
Application granted granted Critical
Publication of CA1188786A publication Critical patent/CA1188786A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/20—Measuring for diagnostic purposes; Identification of persons for measuring urological functions restricted to the evaluation of the urinary system
    • A61B5/201—Assessing renal or kidney functions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/20—Measuring for diagnostic purposes; Identification of persons for measuring urological functions restricted to the evaluation of the urinary system
    • A61B5/207—Sensing devices adapted to collect urine
    • A61B5/208—Sensing devices adapted to collect urine adapted to determine urine quantity, e.g. flow, volume
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296—Acoustic waves
    • G01F23/2962—Measuring transit time of reflected waves

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Physiology (AREA)
  • Urology & Nephrology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Thermal Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
CA000413947A 1981-11-03 1982-10-21 Medical fluid measuring system Expired CA1188786A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/317,611 US4448207A (en) 1981-11-03 1981-11-03 Medical fluid measuring system
US06/317,611 1981-11-03

Publications (1)

Publication Number Publication Date
CA1188786A true CA1188786A (en) 1985-06-11

Family

ID=23234467

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000413947A Expired CA1188786A (en) 1981-11-03 1982-10-21 Medical fluid measuring system

Country Status (5)

Country Link
US (1) US4448207A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS58130026A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1188786A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3240191A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2109934B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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Also Published As

Publication number Publication date
DE3240191A1 (de) 1983-07-07
JPS58130026A (ja) 1983-08-03
GB2109934A (en) 1983-06-08
US4448207A (en) 1984-05-15
DE3240191C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-07-01
JPH0326044B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-04-09
GB2109934B (en) 1985-12-04

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