CA1054262A - Nuclear stethoscope - Google Patents
Nuclear stethoscopeInfo
- Publication number
- CA1054262A CA1054262A CA247,374A CA247374A CA1054262A CA 1054262 A CA1054262 A CA 1054262A CA 247374 A CA247374 A CA 247374A CA 1054262 A CA1054262 A CA 1054262A
- Authority
- CA
- Canada
- Prior art keywords
- memory
- channel
- channels
- producing
- heart
- 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
Links
- 230000000747 cardiac effect Effects 0.000 claims abstract description 27
- 239000008280 blood Substances 0.000 claims abstract description 19
- 210000004369 blood Anatomy 0.000 claims abstract description 19
- 230000001186 cumulative effect Effects 0.000 claims abstract description 13
- 239000000700 radioactive tracer Substances 0.000 claims abstract description 6
- 230000000875 corresponding effect Effects 0.000 claims description 20
- 230000005855 radiation Effects 0.000 claims description 14
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 2
- 238000005070 sampling Methods 0.000 claims 12
- 239000000126 substance Substances 0.000 claims 2
- 238000001914 filtration Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000012163 sequencing technique Methods 0.000 claims 1
- 239000000523 sample Substances 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000002285 radioactive effect Effects 0.000 description 4
- 230000017531 blood circulation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000718 qrs complex Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005251 gamma ray Effects 0.000 description 2
- 210000005240 left ventricle Anatomy 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 102000009027 Albumins Human genes 0.000 description 1
- 108010088751 Albumins Proteins 0.000 description 1
- GKLVYJBZJHMRIY-OUBTZVSYSA-N Technetium-99 Chemical compound [99Tc] GKLVYJBZJHMRIY-OUBTZVSYSA-N 0.000 description 1
- 238000013155 cardiography Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000012631 diagnostic technique Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 210000000554 iris Anatomy 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000009206 nuclear medicine Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229940056501 technetium 99m Drugs 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000012285 ultrasound imaging Methods 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4057—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 or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
- A61B6/4258—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 or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/507—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for determination of haemodynamic parameters, e.g. perfusion CT
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Cardiology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- High Energy & Nuclear Physics (AREA)
- Optics & Photonics (AREA)
- Radiology & Medical Imaging (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Hematology (AREA)
- Physiology (AREA)
- Nuclear Medicine (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US62952175A | 1975-11-06 | 1975-11-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1054262A true CA1054262A (en) | 1979-05-08 |
Family
ID=24523352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA247,374A Expired CA1054262A (en) | 1975-11-06 | 1976-03-08 | Nuclear stethoscope |
Country Status (12)
Country | Link |
---|---|
JP (1) | JPS6052387B2 (ru) |
AU (1) | AU501106B2 (ru) |
BE (1) | BE848072A (ru) |
BR (1) | BR7607399A (ru) |
CA (1) | CA1054262A (ru) |
DE (1) | DE2617886A1 (ru) |
FR (1) | FR2331038A1 (ru) |
GB (1) | GB1527590A (ru) |
IL (1) | IL50764A (ru) |
NL (1) | NL7611844A (ru) |
SU (1) | SU708987A3 (ru) |
ZA (1) | ZA766228B (ru) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4092980A (en) * | 1976-01-12 | 1978-06-06 | G. D. Searle & Co. | Fibrinogen monitor |
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 |
DE3150554A1 (de) * | 1980-12-22 | 1982-10-21 | Medtronic, Inc., 55440 Minneapolis, Minn. | Anordnung zur nichtinvasiven beurteilung des funktionsverhaltens von patienten |
CN112258432B (zh) * | 2020-10-23 | 2021-09-21 | 成都大学 | 基于复合型结构元素数学形态学的中子-伽马甄别方法 |
Family Cites Families (3)
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 |
FR89661E (fr) * | 1965-02-22 | 1967-07-28 | Aquitaine Petrole | Appareil de mesure du décrément logarithmique d'une fonction exponentielle et son application à la mesure du débit sanguin par traceur radioactif |
US3824399A (en) * | 1971-01-27 | 1974-07-16 | Saab Scania Ab | Method of in vivo examination of organ functions |
-
1976
- 1976-02-24 GB GB7250/76A patent/GB1527590A/en not_active Expired
- 1976-03-08 CA CA247,374A patent/CA1054262A/en not_active Expired
- 1976-03-23 FR FR7608400A patent/FR2331038A1/fr active Granted
- 1976-04-05 AU AU12661/76A patent/AU501106B2/en not_active Expired
- 1976-04-23 DE DE19762617886 patent/DE2617886A1/de not_active Ceased
- 1976-06-25 JP JP51075397A patent/JPS6052387B2/ja not_active Expired
- 1976-10-19 ZA ZA766228A patent/ZA766228B/xx unknown
- 1976-10-26 IL IL50764A patent/IL50764A/xx unknown
- 1976-10-26 NL NL7611844A patent/NL7611844A/xx not_active Application Discontinuation
- 1976-11-05 SU SU762418209A patent/SU708987A3/ru active
- 1976-11-05 BE BE172150A patent/BE848072A/xx unknown
- 1976-11-05 BR BR7607399A patent/BR7607399A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
IL50764A (en) | 1979-03-12 |
AU501106B2 (en) | 1979-06-14 |
ZA766228B (en) | 1977-09-28 |
BE848072A (fr) | 1977-03-01 |
SU708987A3 (ru) | 1980-01-05 |
DE2617886A1 (de) | 1977-05-12 |
IL50764A0 (en) | 1976-12-31 |
GB1527590A (en) | 1978-10-04 |
AU1266176A (en) | 1977-10-13 |
FR2331038B1 (ru) | 1982-10-22 |
NL7611844A (nl) | 1977-05-10 |
FR2331038A1 (fr) | 1977-06-03 |
JPS6052387B2 (ja) | 1985-11-19 |
JPS5259977A (en) | 1977-05-17 |
BR7607399A (pt) | 1977-09-20 |
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