FR2331038A1 - DEVICE FOR REPRESENTATION OF RADIOACTIVITY VARIATIONS DURING A PATIENT'S HEART CYCLE - Google Patents

DEVICE FOR REPRESENTATION OF RADIOACTIVITY VARIATIONS DURING A PATIENT'S HEART CYCLE

Info

Publication number
FR2331038A1
FR2331038A1 FR7608400A FR7608400A FR2331038A1 FR 2331038 A1 FR2331038 A1 FR 2331038A1 FR 7608400 A FR7608400 A FR 7608400A FR 7608400 A FR7608400 A FR 7608400A FR 2331038 A1 FR2331038 A1 FR 2331038A1
Authority
FR
France
Prior art keywords
radioactivity
patient
representation
heart cycle
variations during
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.)
Granted
Application number
FR7608400A
Other languages
French (fr)
Other versions
FR2331038B1 (en
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.)
Ohio Nuclear Inc
Original Assignee
Ohio Nuclear 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 Ohio Nuclear Inc filed Critical Ohio Nuclear Inc
Publication of FR2331038A1 publication Critical patent/FR2331038A1/en
Application granted granted Critical
Publication of FR2331038B1 publication Critical patent/FR2331038B1/fr
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/40—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4057—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis by using radiation sources located in the interior of the body
    • 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
    • A61B5/0275—Measuring blood flow using tracers, e.g. dye dilution
    • A61B5/02755—Radioactive tracers
    • 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
    • A61B5/74—Details of notification to user or communication with user or patient ; user input means
    • A61B5/7475—User input or interface means, e.g. keyboard, pointing device, joystick
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/42—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4208—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
    • A61B6/4258—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector for detecting non x-ray radiation, e.g. gamma radiation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/161—Applications in the field of nuclear medicine, e.g. in vivo counting
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/50—Clinical applications
    • A61B6/507—Clinical applications involving determination of haemodynamic parameters, e.g. perfusion CT
FR7608400A 1975-11-06 1976-03-23 DEVICE FOR REPRESENTATION OF RADIOACTIVITY VARIATIONS DURING A PATIENT'S HEART CYCLE Granted FR2331038A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US62952175A 1975-11-06 1975-11-06

Publications (2)

Publication Number Publication Date
FR2331038A1 true FR2331038A1 (en) 1977-06-03
FR2331038B1 FR2331038B1 (en) 1982-10-22

Family

ID=24523352

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7608400A Granted FR2331038A1 (en) 1975-11-06 1976-03-23 DEVICE FOR REPRESENTATION OF RADIOACTIVITY VARIATIONS DURING A PATIENT'S HEART CYCLE

Country Status (12)

Country Link
JP (1) JPS6052387B2 (en)
AU (1) AU501106B2 (en)
BE (1) BE848072A (en)
BR (1) BR7607399A (en)
CA (1) CA1054262A (en)
DE (1) DE2617886A1 (en)
FR (1) FR2331038A1 (en)
GB (1) GB1527590A (en)
IL (1) IL50764A (en)
NL (1) NL7611844A (en)
SU (1) SU708987A3 (en)
ZA (1) ZA766228B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2337537A1 (en) * 1976-01-12 1977-08-05 Searle & Co DEVICE INTENDED TO DETECT THE FORMATION OF BLOOD CLOTS
FR2496448A1 (en) * 1980-12-22 1982-06-25 Medtronic Inc DEVICE FOR DETERMINING A PHYSIOLOGICAL PARAMETER OF A PATIENT

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4294259A (en) * 1977-11-25 1981-10-13 Bios Inc. Method and apparatus for characterizing blood flow through the heart
US4245646A (en) * 1978-06-19 1981-01-20 Picker Corporation Nuclear cardiology apparatus and method
CN112258432B (en) * 2020-10-23 2021-09-21 成都大学 Neutron-gamma discrimination method based on composite structural element mathematical morphology

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3528407A (en) * 1965-02-22 1970-09-15 Aquitaine Petrole Radioactivity sensing apparatus for measuring the blood flow

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3221731A (en) * 1962-05-31 1965-12-07 Annis Martin Apparatus for evaluating the condition of the heart muscle
US3824399A (en) * 1971-01-27 1974-07-16 Saab Scania Ab Method of in vivo examination of organ functions

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3528407A (en) * 1965-02-22 1970-09-15 Aquitaine Petrole Radioactivity sensing apparatus for measuring the blood flow

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/71 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2337537A1 (en) * 1976-01-12 1977-08-05 Searle & Co DEVICE INTENDED TO DETECT THE FORMATION OF BLOOD CLOTS
FR2496448A1 (en) * 1980-12-22 1982-06-25 Medtronic Inc DEVICE FOR DETERMINING A PHYSIOLOGICAL PARAMETER OF A PATIENT

Also Published As

Publication number Publication date
BR7607399A (en) 1977-09-20
CA1054262A (en) 1979-05-08
SU708987A3 (en) 1980-01-05
DE2617886A1 (en) 1977-05-12
JPS5259977A (en) 1977-05-17
AU501106B2 (en) 1979-06-14
NL7611844A (en) 1977-05-10
JPS6052387B2 (en) 1985-11-19
GB1527590A (en) 1978-10-04
AU1266176A (en) 1977-10-13
BE848072A (en) 1977-03-01
IL50764A0 (en) 1976-12-31
ZA766228B (en) 1977-09-28
IL50764A (en) 1979-03-12
FR2331038B1 (en) 1982-10-22

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Legal Events

Date Code Title Description
ST Notification of lapse