AT321452B - Elektromagnetisches Blutfluß-Meßgerät - Google Patents

Elektromagnetisches Blutfluß-Meßgerät

Info

Publication number
AT321452B
AT321452B AT741171A AT741171A AT321452B AT 321452 B AT321452 B AT 321452B AT 741171 A AT741171 A AT 741171A AT 741171 A AT741171 A AT 741171A AT 321452 B AT321452 B AT 321452B
Authority
AT
Austria
Prior art keywords
blood flow
flow meter
electromagnetic blood
electromagnetic
meter
Prior art date
Application number
AT741171A
Other languages
English (en)
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
Application granted granted Critical
Publication of AT321452B publication Critical patent/AT321452B/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
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/346—Analysis of electrocardiograms
    • A61B5/349—Detecting specific parameters of the electrocardiograph cycle
    • A61B5/352—Detecting R peaks, e.g. for synchronising diagnostic apparatus; Estimating R-R interval
    • 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
    • A61B5/026—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)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Cardiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Electromagnetism (AREA)
  • Hematology (AREA)
  • Physiology (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measuring Volume Flow (AREA)
AT741171A 1970-08-24 1971-08-24 Elektromagnetisches Blutfluß-Meßgerät AT321452B (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US6624070A 1970-08-24 1970-08-24
US15869771A 1971-07-01 1971-07-01

Publications (1)

Publication Number Publication Date
AT321452B true AT321452B (de) 1975-04-10

Family

ID=26746524

Family Applications (1)

Application Number Title Priority Date Filing Date
AT741171A AT321452B (de) 1970-08-24 1971-08-24 Elektromagnetisches Blutfluß-Meßgerät

Country Status (15)

Country Link
US (1) US3759247A (de)
JP (1) JPS5516659B1 (de)
AT (1) AT321452B (de)
BE (1) BE771669A (de)
CA (1) CA980869A (de)
CH (1) CH530786A (de)
DE (1) DE2142211C3 (de)
DK (1) DK138578B (de)
FR (1) FR2105939A5 (de)
GB (1) GB1365129A (de)
IL (1) IL37407A (de)
NL (1) NL171016C (de)
NO (1) NO133573C (de)
SE (1) SE373278B (de)
SU (1) SU528853A3 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3809070A (en) * 1971-07-01 1974-05-07 Doll Research Non-invasive electromagnetic bloodflow measuring system with rejection of noises
US3994285A (en) * 1974-12-17 1976-11-30 Doll Research, Inc. Revolving symmetrical magnet assembly and improved method of blood flow detection
US4037585A (en) * 1975-10-10 1977-07-26 Gildenberg Philip L Method of measuring blood flow by radiation
JPS5927566B2 (ja) * 1980-07-02 1984-07-06 日本光電工業株式会社 電磁血流計
US4721914A (en) * 1984-05-01 1988-01-26 The United States Of America As Represented By The United States Department Of Energy Apparatus for unilateral generation of a homogeneous magnetic field
US4676253A (en) * 1985-07-18 1987-06-30 Doll Medical Research, Inc. Method and apparatus for noninvasive determination of cardiac output
US4727755A (en) * 1986-12-08 1988-03-01 Fischer & Porter Co. Electromagnetic flowmeter with alternating permanent magnet field
US4993420A (en) * 1990-03-30 1991-02-19 Rutgers University Method and apparatus for noninvasive monitoring dynamic cardiac performance
DE69233065D1 (de) * 1991-06-11 2003-06-26 Newt Holdings Ltd Sonde
US5935077A (en) * 1997-08-14 1999-08-10 Ogle; John Seldon Noninvasive blood flow sensor using magnetic field parallel to skin
US7052480B2 (en) 2002-04-10 2006-05-30 Baxter International Inc. Access disconnection systems and methods
US20040254513A1 (en) 2002-04-10 2004-12-16 Sherwin Shang Conductive polymer materials and applications thereof including monitoring and providing effective therapy
US7022098B2 (en) * 2002-04-10 2006-04-04 Baxter International Inc. Access disconnection systems and methods
US10155082B2 (en) * 2002-04-10 2018-12-18 Baxter International Inc. Enhanced signal detection for access disconnection systems
US8114043B2 (en) 2008-07-25 2012-02-14 Baxter International Inc. Electromagnetic induction access disconnect sensor
DE102015103580A1 (de) * 2015-03-11 2016-09-15 Endress + Hauser Flowtec Ag Magnetisch-induktives Durchflussmessgerät mit verringerter Stromaufnahme
CN114034880B (zh) * 2021-11-22 2024-10-18 北京信息科技大学 动热源式双轴微机械角速度传感器及其加工方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2867119A (en) * 1954-09-14 1959-01-06 Foxboro Co Electromagnetic flowmeter
FR1151440A (fr) * 1955-06-17 1958-01-30 Philips Nv Dispositif pour la mesure de débits
US2924213A (en) * 1958-03-17 1960-02-09 Fleck Henry Electrical probe
US3060923A (en) * 1959-01-07 1962-10-30 Teca Corp Coaxial electrode structure and a method of fabricating same
DE1272011B (de) * 1960-12-28 1968-07-04 Foxboro Co Vorrichtung zur UEbertragung von fuer industrielle Verfahrensablaeufe charakteristischen Signalen, insbesondere fuer magnetische Stroemungsmesser
US3184966A (en) * 1961-07-13 1965-05-25 Avionics Res Products Corp Electromagnetic flowmeter
FR1457269A (fr) * 1962-11-30 1966-01-24 Procédé de propulsion de corps mobiles ainsi que l'appareil et les corps pour la mise en application dudit procédé ou procédé similaire
US3347224A (en) * 1964-05-26 1967-10-17 Brandon L Adams Apparatus and method for measuring cardiac output
US3377855A (en) * 1966-06-29 1968-04-16 Gen Signal Corp Noise nulling network for magnetic flowmeter
DE1673037B2 (de) * 1967-08-11 1974-08-15 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren und Vorrichtung zur Bestimmung der Verteilung strömender Medien
FR2063594A5 (de) * 1969-10-23 1971-07-09 Ieram Sarl
FR2087729A5 (de) * 1970-05-29 1971-12-31 Ieram Sarl
US3659591A (en) * 1970-08-24 1972-05-02 Doll Research Electromagnetic flowmeter

Also Published As

Publication number Publication date
DK138578C (de) 1979-03-12
JPS5516659B1 (de) 1980-05-06
NO133573C (de) 1976-05-26
GB1365129A (en) 1974-08-29
CH530786A (de) 1972-11-30
IL37407A (en) 1975-02-10
IL37407A0 (en) 1971-10-20
FR2105939A5 (de) 1972-04-28
NL171016C (nl) 1983-02-01
US3759247A (en) 1973-09-18
DE2142211C3 (de) 1980-05-22
NO133573B (de) 1976-02-16
SE373278B (sv) 1975-02-03
CA980869A (en) 1975-12-30
DE2142211B2 (de) 1979-07-19
NL7111063A (de) 1972-02-28
DE2142211A1 (de) 1972-03-23
SU528853A3 (ru) 1976-09-15
BE771669A (fr) 1971-12-31
NL171016B (nl) 1982-09-01
DK138578B (da) 1978-10-02

Similar Documents

Publication Publication Date Title
DE1926798B2 (de) Durchflussmessgeraet
CH533452A (de) Inhalierapparat
BE774924A (fr) Soupape electromagnetique
CH521571A (de) Durchflussmessgerät
AT321452B (de) Elektromagnetisches Blutfluß-Meßgerät
CH527372A (de) Strömungsverstärker
AT326798B (de) Oberflächenaktive flüssige zusammenstellungen
FR2327518A1 (fr) Debitmetre
IT964097B (it) Misuratore di portata
BE805898R (fr) Debitmetre electromagnetique
NL146286B (nl) Stromingsmeter.
BE765462A (nl) Magnetische debietmeter
CH539266A (de) Durchflussmesser
BE758980A (fr) Soupape doseuse
CH503978A (de) Durchflussmengenmesser
IT940111B (it) Dispositivo limitatore di flusso
CH524136A (de) Flügelrad-Durchflussmengenmesser
SE405415B (sv) Stromningsmetare
CH507509A (de) Durchflussmengenmessgerät
IT960666B (it) Flussometro volumetrico
CH518535A (de) Wärmeflussmesser
BE792199A (fr) Indicateur de debit
NL164961C (nl) Stromingsmeter.
CH519707A (de) Flüssigkeitszähler
CH518553A (de) Strömungsmesser

Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee