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FR2294678B1 - - Google Patents

Info

Publication number
FR2294678B1
FR2294678B1 FR7538532A FR7538532A FR2294678B1 FR 2294678 B1 FR2294678 B1 FR 2294678B1 FR 7538532 A FR7538532 A FR 7538532A FR 7538532 A FR7538532 A FR 7538532A FR 2294678 B1 FR2294678 B1 FR 2294678B1
Authority
FR
France
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
FR7538532A
Other versions
FR2294678A1 (fr
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.)
DOLL RESEARCH
Original Assignee
DOLL RESEARCH
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 DOLL RESEARCH filed Critical DOLL RESEARCH
Publication of FR2294678A1 publication Critical patent/FR2294678A1/fr
Application granted granted Critical
Publication of FR2294678B1 publication Critical patent/FR2294678B1/fr
Granted 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
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/026—Measuring blood flow
    • A61B5/0265—Measuring blood flow using electromagnetic means, e.g. electromagnetic flowmeter
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
    • G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Cardiology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Hematology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Physiology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
FR7538532A 1974-12-17 1975-12-16 Instrument et procede de mesure du debit d'ecoulement du sang dans les membres d'un etre vivant Granted FR2294678A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/533,528 US3994285A (en) 1974-12-17 1974-12-17 Revolving symmetrical magnet assembly and improved method of blood flow detection

Publications (2)

Publication Number Publication Date
FR2294678A1 FR2294678A1 (fr) 1976-07-16
FR2294678B1 true FR2294678B1 (fr) 1978-10-06

Family

ID=24126354

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7538532A Granted FR2294678A1 (fr) 1974-12-17 1975-12-16 Instrument et procede de mesure du debit d'ecoulement du sang dans les membres d'un etre vivant

Country Status (3)

Country Link
US (1) US3994285A (fr)
FR (1) FR2294678A1 (fr)
GB (1) GB1487459A (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4205688A (en) * 1977-05-23 1980-06-03 Doll Research, Inc. Method and apparatus for developing and measuring pulsed blood flow
US4232373A (en) * 1978-04-14 1980-11-04 Regents For Education Of The State Of Rhode Island Compensation of fluidic transducers
US4228506A (en) * 1978-11-09 1980-10-14 Del Mar Avionics Charter with automatic editing
US4802486A (en) * 1985-04-01 1989-02-07 Nellcor Incorporated Method and apparatus for detecting optical pulses
US4934372A (en) * 1985-04-01 1990-06-19 Nellcor Incorporated Method and apparatus for detecting optical pulses
US4928692A (en) * 1985-04-01 1990-05-29 Goodman David E Method and apparatus for detecting optical pulses
USRE35122E (en) * 1985-04-01 1995-12-19 Nellcor Incorporated Method and apparatus for detecting optical pulses
US4911167A (en) * 1985-06-07 1990-03-27 Nellcor Incorporated Method and apparatus for detecting optical pulses
JPS62188910A (ja) * 1986-02-14 1987-08-18 Aichi Tokei Denki Co Ltd 電磁流量計
GB2292613A (en) * 1994-08-01 1996-02-28 Edward Hall Higham Multiple electrode electromagnetic flowmeters
DE4429335A1 (de) * 1994-08-18 1995-03-30 Hendrik Albrecht Verfahren und Vorrichtung zur bildgebenden Diagnostik des Blutflusses in einer Extremität des menschlichen oder tierischen Körpers, Magneto- Hydrodynamischer Durchblutungsmesser
WO2004028361A1 (fr) * 2002-09-27 2004-04-08 Koninklijke Philips Electronics N.V. Dispositif portable pour la surveillance du debit sanguin transcutane
US20110210081A1 (en) * 2010-02-26 2011-09-01 Clarcor Inc. Fine fiber liquid particulate filter media
JP6541214B2 (ja) * 2015-02-09 2019-07-10 フクダ電子株式会社 生体情報測定装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2896451A (en) * 1955-06-17 1959-07-28 Philips Corp Device for measuring the flow speed of a liquid
US3058458A (en) * 1959-12-21 1962-10-16 Daneman Emanuel Adams Selectors and timers for electro-cardiographs
DE1914335C3 (de) * 1969-03-21 1973-08-02 Fa Ludwig Krohne, 4100 Duisburg Induktiver strömungsmesser
US3631718A (en) * 1969-07-24 1972-01-04 Tetsuya Sato Electromagnetic flowmeter
US3759247A (en) * 1970-08-24 1973-09-18 Doll Research Electromagnetic flowmeter
US3809070A (en) * 1971-07-01 1974-05-07 Doll Research Non-invasive electromagnetic bloodflow measuring system with rejection of noises

Also Published As

Publication number Publication date
GB1487459A (en) 1977-09-28
US3994285A (en) 1976-11-30
FR2294678A1 (fr) 1976-07-16

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Legal Events

Date Code Title Description
ST Notification of lapse