CA980421A - External field electromagnetic flow sensor-artery gauge - Google Patents

External field electromagnetic flow sensor-artery gauge

Info

Publication number
CA980421A
CA980421A CA166,162A CA166162A CA980421A CA 980421 A CA980421 A CA 980421A CA 166162 A CA166162 A CA 166162A CA 980421 A CA980421 A CA 980421A
Authority
CA
Canada
Prior art keywords
artery
gauge
flow sensor
external field
electromagnetic flow
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
CA166,162A
Other versions
CA166162S (en
Inventor
Alexander Kolin
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.)
University of California
Original Assignee
University of California
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 University of California filed Critical University of California
Application granted granted Critical
Publication of CA980421A publication Critical patent/CA980421A/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
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
    • A61B5/6852—Catheters
    • A61B5/6856—Catheters with a distal loop
    • 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
    • A61B5/027—Measuring blood flow using electromagnetic means, e.g. electromagnetic flowmeter using catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
    • A61B5/1076—Measuring physical dimensions, e.g. size of the entire body or parts thereof for measuring dimensions inside body cavities, e.g. using catheters
    • 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
CA166,162A 1972-03-22 1973-03-15 External field electromagnetic flow sensor-artery gauge Expired CA980421A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23681572A 1972-03-22 1972-03-22

Publications (1)

Publication Number Publication Date
CA980421A true CA980421A (en) 1975-12-23

Family

ID=22891079

Family Applications (1)

Application Number Title Priority Date Filing Date
CA166,162A Expired CA980421A (en) 1972-03-22 1973-03-15 External field electromagnetic flow sensor-artery gauge

Country Status (8)

Country Link
US (1) US3757773A (en)
JP (1) JPS4948183A (en)
CA (1) CA980421A (en)
DE (1) DE2314336C2 (en)
FR (1) FR2177015B1 (en)
GB (1) GB1432233A (en)
NL (1) NL7303923A (en)
SE (1) SE392208B (en)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3885433A (en) * 1973-09-21 1975-05-27 Marsh Mcbirney Inc Apparatus for measuring the velocity of flow of an electrically conductive fluid
DE2355085A1 (en) * 1973-11-03 1975-05-15 Fischer & Porter Gmbh COMPENSATION CIRCUIT FOR COMPENSATION OF THE TRANSFORMATIVE INTERFERENCE VOLTAGE OF AN INDUCTIVE FLOW METER
US4036215A (en) * 1975-02-06 1977-07-19 Doll Research, Inc. Apparatus and method for eliminating perturbations of a kinetic origin in the blood flow waveform
JPS5391986A (en) * 1977-01-21 1978-08-12 Fuji Shoji Cord for pneumatic tire and method for making it
JPS53109304A (en) * 1977-03-04 1978-09-25 Fuji Shoji Elements for pneumatic tire and method of manufacturing the same
US4164939A (en) * 1977-06-24 1979-08-21 The Regents Of The University Of California Orthogonal electromagnetic flow and diameter sensor system
USRE32204E (en) * 1980-06-09 1986-07-15 Mansfield Scientific, Inc. Electrode assembly for temporary pacing and heart measurements
DE3429386A1 (en) * 1984-08-09 1986-02-27 Siemens AG, 1000 Berlin und 8000 München MAIN SPIN TOMOGRAPHY UNIT
AU4599285A (en) * 1984-08-15 1986-02-20 Development Finance Corporation Of New Zealand, The Faraday effect marine speed transducer
US5170789A (en) * 1987-06-17 1992-12-15 Perinchery Narayan Insertable NMR coil probe
US5425382A (en) * 1993-09-14 1995-06-20 University Of Washington Apparatus and method for locating a medical tube in the body of a patient
US6052612A (en) 1995-06-07 2000-04-18 Desai; Jawahar M. Catheter for media injection
US5857464A (en) * 1995-06-07 1999-01-12 Desai; Jawahar M. Catheter for media injection
US5944023A (en) * 1995-12-07 1999-08-31 Sims Deltec, Inc. Systems and methods for determining the location of an implanted device including a magnet
US6129668A (en) * 1997-05-08 2000-10-10 Lucent Medical Systems, Inc. System and method to determine the location and orientation of an indwelling medical device
US5879297A (en) 1997-05-08 1999-03-09 Lucent Medical Systems, Inc. System and method to determine the location and orientation of an indwelling medical device
US6263230B1 (en) 1997-05-08 2001-07-17 Lucent Medical Systems, Inc. System and method to determine the location and orientation of an indwelling medical device
WO1998052461A1 (en) * 1997-05-21 1998-11-26 Cardiac M.R.I., Inc. Cardiac mri with an internal receiving coil and an external receiving coil
US6986744B1 (en) * 1999-02-02 2006-01-17 Transonic Systems, Inc. Method and apparatus for determining blood flow during a vascular corrective procedure
US6173715B1 (en) 1999-03-01 2001-01-16 Lucent Medical Systems, Inc. Magnetic anatomical marker and method of use
US20050020908A1 (en) * 2003-07-07 2005-01-27 Rainer Birkenbach Method and device for navigating an object in a body to an aneurysm
DE102004048736A1 (en) * 2004-10-05 2006-04-06 Westfaliasurge Gmbh Device and method for measuring milk quantity, in particular during the milking process
DE102007030163A1 (en) * 2007-06-27 2009-01-02 Mhm Harzbecher Medizintechnik Gmbh Measuring device for measuring propagation speed of pulse waves in human or animal blood circulation system, has sensor arrangement, which is provided outside bloodstream for implantation
US8814798B2 (en) * 2008-04-25 2014-08-26 Medtronic, Inc. Implantable device and method for monitoring venous diameter
DE102009054319A1 (en) * 2009-11-24 2011-05-26 Mhm Harzbecher Medizintechnik Gmbh Measuring device for detecting the propagation velocity of pulse waves and method for determining the flow volume flow of a discontinuous pump
US20110295107A1 (en) * 2010-05-25 2011-12-01 Siemens Medical Solutions Usa, Inc. Catheter System for Measuring and Marking Vessel Characteristics
US9310202B2 (en) * 2012-07-09 2016-04-12 Freescale Semiconductor, Inc. Angular rate sensor with quadrature error compensation
DE102018111675A1 (en) 2018-05-15 2019-11-21 Gea Farm Technologies Gmbh Measuring arrangement for optical measurements of milk during a milking process

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3098383A (en) * 1959-09-29 1963-07-23 Nat Res Dev Method and means for determining gas flow velocity
US3347224A (en) * 1964-05-26 1967-10-17 Brandon L Adams Apparatus and method for measuring cardiac output
US3405708A (en) * 1965-07-15 1968-10-15 Wilton W. Webster Jr. Blood flow measuring apparatus
US3487826A (en) * 1966-09-06 1970-01-06 Charles A Barefoot Electromagnetic catheter blood flow probe
US3516399A (en) * 1967-04-18 1970-06-23 Charles A Barefoot Electromagnetic catheter blood flow probe
US3479871A (en) * 1968-03-06 1969-11-25 Vincent J Cushing Electromagnetic flowmeter including hum compensation means
US3529591A (en) * 1968-05-16 1970-09-22 Biotronex Lab Inc Catheter tip blood velocity sensor
US3605726A (en) * 1969-04-14 1971-09-20 Bryn T Williams Flexible,extra vascular electromagnetic blood flow probe
US3661148A (en) * 1970-04-13 1972-05-09 Univ California Induction type artery gage

Also Published As

Publication number Publication date
NL7303923A (en) 1973-09-25
JPS4948183A (en) 1974-05-10
FR2177015A1 (en) 1973-11-02
FR2177015B1 (en) 1977-02-04
DE2314336C2 (en) 1982-04-29
GB1432233A (en) 1976-04-14
DE2314336A1 (en) 1973-10-11
US3757773A (en) 1973-09-11
SE392208B (en) 1977-03-21

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