NO138188C - Apparat for maaling av boelgeformen for pulserende blod i et blodkar - Google Patents

Apparat for maaling av boelgeformen for pulserende blod i et blodkar

Info

Publication number
NO138188C
NO138188C NO3145/73A NO314573A NO138188C NO 138188 C NO138188 C NO 138188C NO 3145/73 A NO3145/73 A NO 3145/73A NO 314573 A NO314573 A NO 314573A NO 138188 C NO138188 C NO 138188C
Authority
NO
Norway
Prior art keywords
blood
measuring
wave form
pulsed
blood vessel
Prior art date
Application number
NO3145/73A
Other languages
English (en)
Other versions
NO138188B (no
Inventor
Henri Georges Doll
Hans Joachim Broner
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 NO138188B publication Critical patent/NO138188B/no
Publication of NO138188C publication Critical patent/NO138188C/no

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 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
    • 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
    • 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)
NO3145/73A 1972-10-11 1973-08-07 Apparat for maaling av boelgeformen for pulserende blod i et blodkar NO138188C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00296677A US3809070A (en) 1971-07-01 1972-10-11 Non-invasive electromagnetic bloodflow measuring system with rejection of noises

Publications (2)

Publication Number Publication Date
NO138188B NO138188B (no) 1978-04-17
NO138188C true NO138188C (no) 1978-07-26

Family

ID=23143051

Family Applications (1)

Application Number Title Priority Date Filing Date
NO3145/73A NO138188C (no) 1972-10-11 1973-08-07 Apparat for maaling av boelgeformen for pulserende blod i et blodkar

Country Status (15)

Country Link
US (1) US3809070A (no)
JP (2) JPS4972985A (no)
AT (1) AT347566B (no)
BE (1) BE805898R (no)
CA (1) CA1013817A (no)
CH (1) CH559035A5 (no)
DE (1) DE2344211C2 (no)
FR (1) FR2208635B2 (no)
GB (1) GB1446063A (no)
IL (1) IL42922A (no)
IT (1) IT1046705B (no)
NL (1) NL7311698A (no)
NO (1) NO138188C (no)
SE (1) SE399513B (no)
SU (1) SU655283A3 (no)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3994285A (en) * 1974-12-17 1976-11-30 Doll Research, Inc. Revolving symmetrical magnet assembly and improved method of blood flow detection
US4159645A (en) * 1977-11-11 1979-07-03 Monitek, Inc. Electromagnetic fluid flow meter with tolerance to spurious signals
US4190886A (en) * 1978-04-10 1980-02-26 Hewlett-Packard Company Derivation of steady values of blood pressures
JPS5927566B2 (ja) * 1980-07-02 1984-07-06 日本光電工業株式会社 電磁血流計
DE3150554A1 (de) * 1980-12-22 1982-10-21 Medtronic, Inc., 55440 Minneapolis, Minn. Anordnung zur nichtinvasiven beurteilung des funktionsverhaltens von patienten
US4516582A (en) * 1983-05-02 1985-05-14 General Electric Company NMR blood flow imaging
JPS6023005U (ja) * 1983-07-25 1985-02-16 日本光電工業株式会社 電磁血流計
US5978694A (en) * 1997-02-27 1999-11-02 Uri Rapoport Method and apparatus for detecting a magnetically responsive substance
WO2000045697A1 (en) * 1997-02-27 2000-08-10 Uri Rapoport Method and apparatus for detecting a magnetically responsive substance
JP3582495B2 (ja) * 2001-02-21 2004-10-27 株式会社日立製作所 生体磁場計測装置
EP1417926B1 (de) * 2002-11-11 2007-12-19 Schiller AG Verfahren und Vorrichtung zum Erfassen und Bearbeiten eines EKG-Signals
EP2724669B1 (en) * 2005-11-09 2016-11-30 Japan Science and Technology Agency Method of and apparatus for measuring properties of an object with acoustically induced electromagnetic waves
WO2013011869A1 (ja) * 2011-07-20 2013-01-24 国立大学法人東京農工大学 被測定対象の特性測定装置及び被測定対象の特性測定方法
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
CN113288102B (zh) * 2021-06-11 2022-07-15 中国人民解放军陆军军医大学 一种无创监测脑血流的系统

Family Cites Families (7)

* 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
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
US3377855A (en) * 1966-06-29 1968-04-16 Gen Signal Corp Noise nulling network for magnetic flowmeter
US3659591A (en) * 1970-08-24 1972-05-02 Doll Research Electromagnetic flowmeter
US3759247A (en) * 1970-08-24 1973-09-18 Doll Research Electromagnetic flowmeter
US3717031A (en) * 1971-02-22 1973-02-20 Univ California Three electrode flow meter

Also Published As

Publication number Publication date
US3809070A (en) 1974-05-07
CA1013817A (en) 1977-07-12
IL42922A (en) 1976-05-31
AT347566B (de) 1979-01-10
NO138188B (no) 1978-04-17
ATA869673A (de) 1978-05-15
GB1446063A (en) 1976-08-11
DE2344211C2 (de) 1983-06-01
JPS4972985A (no) 1974-07-15
DE2344211A1 (de) 1974-04-25
SE399513B (sv) 1978-02-20
BE805898R (fr) 1974-02-01
JPS57145642A (en) 1982-09-08
NL7311698A (no) 1974-04-16
SU655283A3 (ru) 1979-03-30
JPS5829090B2 (ja) 1983-06-20
FR2208635B2 (no) 1976-06-18
FR2208635A2 (no) 1974-06-28
CH559035A5 (no) 1975-02-28
IT1046705B (it) 1980-07-31

Similar Documents

Publication Publication Date Title
SE7708341L (sv) Analysforfarande och -apparat
DK150842C (da) Apparat til blodproevetagning
GB1443779A (en) Apparatus for ultrasonic flow measurement
DK140207B (da) Apparat til steril paafyldning af naerings og nydelsesmidler
HK53376A (en) Improvements in or relating to apparatus for contacting one substance with another substance
NO138188C (no) Apparat for maaling av boelgeformen for pulserende blod i et blodkar
NO138785C (no) Fremgangsmaate og apparat for ultrasonisk tykkelsesmaaling
SE392208B (sv) Katetersond foer exempelvis blodfloedesmaetning
DK138861B (da) Apparat til ultralydundersøgelse.
AU475944B2 (en) Apparatus and method for measuring heartbeat
SE7305217L (sv) Apparat för utförande av konstgjord andning
IL41577A0 (en) Laser surgical apparatus
AT330948B (de) Vorrichtung zum uberbrucken von blutgefassen
SE406306B (sv) Komponent i en metallplatbehalla samt forfarande och apparat for tillverkning av komponenten
NO136992C (no) Fremgangsm}te til og apparat for } bestemme et legemes posisjon i forhold til en siktelinje
GB1554721A (en) Ultrasonic examination apparatus
DK132483C (da) Absorptionsprodukt samt fremgangsmade og apparat til fremstilling deraf
CA983315A (en) Liquid measuring apparatus
ZA721510B (en) Method of and apparatus for determining the concentration of a solution
ZA731957B (en) Wave height measuring device
DK151239C (da) Apparat til ultralydundersoegelse
JPS55492A (en) Measuring probe
ATA207675A (de) Filterloser sterilisierbehalter
CA1002311A (en) Hematocrit tube measuring apparatus
SE398958B (sv) Apparat for ordnande av cigarretter i en och samma riktning