CA1149972A - Emission tomography system - Google Patents
Emission tomography systemInfo
- Publication number
- CA1149972A CA1149972A CA000362718A CA362718A CA1149972A CA 1149972 A CA1149972 A CA 1149972A CA 000362718 A CA000362718 A CA 000362718A CA 362718 A CA362718 A CA 362718A CA 1149972 A CA1149972 A CA 1149972A
- Authority
- CA
- Canada
- Prior art keywords
- detectors
- coincidence
- signals
- output
- pair
- 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
- 238000003325 tomography Methods 0.000 title claims description 5
- 230000004044 response Effects 0.000 claims abstract description 3
- 230000003111 delayed effect Effects 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000010348 incorporation Methods 0.000 abstract 1
- 229940121896 radiopharmaceutical Drugs 0.000 abstract 1
- 239000012217 radiopharmaceutical Substances 0.000 abstract 1
- 230000002799 radiopharmaceutical effect Effects 0.000 abstract 1
- 240000007320 Pinus strobus Species 0.000 description 25
- 230000015654 memory Effects 0.000 description 16
- 238000005259 measurement Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 7
- 238000012546 transfer Methods 0.000 description 6
- 230000000875 corresponding effect Effects 0.000 description 5
- 229910052731 fluorine Inorganic materials 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000002600 positron emission tomography Methods 0.000 description 2
- 208000003174 Brain Neoplasms Diseases 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-YPZZEJLDSA-N Gallium-68 Chemical compound [68Ga] GYHNNYVSQQEPJS-YPZZEJLDSA-N 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000011961 computed axial tomography Methods 0.000 description 1
- 238000002591 computed tomography Methods 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 235000021438 curry Nutrition 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 125000000449 nitro group Chemical class [O-][N+](*)=O 0.000 description 1
- QVGXLLKOCUKJST-BJUDXGSMSA-N oxygen-15 atom Chemical compound [15O] QVGXLLKOCUKJST-BJUDXGSMSA-N 0.000 description 1
- 230000005258 radioactive decay Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
- G01T1/2914—Measurement of spatial distribution of radiation
- G01T1/2985—In depth localisation, e.g. using positron emitters; Tomographic imaging (longitudinal and transverse section imaging; apparatus for radiation diagnosis sequentially in different planes, steroscopic radiation diagnosis)
-
- 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
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/037—Emission tomography
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Pathology (AREA)
- Surgery (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Measurement Of Radiation (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US8599479A | 1979-10-18 | 1979-10-18 | |
| US85,994 | 1979-10-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1149972A true CA1149972A (en) | 1983-07-12 |
Family
ID=22195282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000362718A Expired CA1149972A (en) | 1979-10-18 | 1980-10-17 | Emission tomography system |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5666776A (enrdf_load_stackoverflow) |
| CA (1) | CA1149972A (enrdf_load_stackoverflow) |
| FR (1) | FR2467582A1 (enrdf_load_stackoverflow) |
| SE (1) | SE8007290L (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6858847B1 (en) * | 1998-10-08 | 2005-02-22 | Siemens Medical Solutions Usa, Inc. | Circuit and method for energy discrimination of coincident events in coincidence detecting gamma camera system |
| CN109567845A (zh) * | 2018-11-26 | 2019-04-05 | 浙江明峰智能医疗科技有限公司 | 采用事例混合法构建pet系统的随机符合事例的方法 |
| CN111788499A (zh) * | 2018-01-26 | 2020-10-16 | 皇家飞利浦有限公司 | 在对各种对象和放射性分布的定量正电子发射断层摄影（pet）重建中的死时间校正方法 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5487173B2 (ja) * | 2011-09-13 | 2014-05-07 | 日立Ｇｅニュークリア・エナジー株式会社 | 放射線核種分析装置及びその偶発同時計数抑制方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1389672A (en) * | 1971-10-29 | 1975-04-03 | Univ Sherbrooke | Apparatus and method for the detection and measurement of radioactivity in the human body |
| US4057727A (en) * | 1976-10-22 | 1977-11-08 | G. D. Searle & Co. | Positron imaging system with improved count rate and tomographic capability |
| US4150292A (en) * | 1977-02-18 | 1979-04-17 | Ter Pogossian Michel M | Imaging device for computerized emission tomography |
| US4181855A (en) * | 1978-01-30 | 1980-01-01 | Beckman Instruments, Inc. | Method and apparatus for determining random coincidence count rate in a scintillation counter utilizing the coincidence technique |
-
1980
- 1980-10-17 FR FR8022321A patent/FR2467582A1/fr active Granted
- 1980-10-17 SE SE8007290A patent/SE8007290L/ not_active Application Discontinuation
- 1980-10-17 JP JP14457180A patent/JPS5666776A/ja active Pending
- 1980-10-17 CA CA000362718A patent/CA1149972A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6858847B1 (en) * | 1998-10-08 | 2005-02-22 | Siemens Medical Solutions Usa, Inc. | Circuit and method for energy discrimination of coincident events in coincidence detecting gamma camera system |
| CN111788499A (zh) * | 2018-01-26 | 2020-10-16 | 皇家飞利浦有限公司 | 在对各种对象和放射性分布的定量正电子发射断层摄影（pet）重建中的死时间校正方法 |
| CN109567845A (zh) * | 2018-11-26 | 2019-04-05 | 浙江明峰智能医疗科技有限公司 | 采用事例混合法构建pet系统的随机符合事例的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5666776A (en) | 1981-06-05 |
| FR2467582B1 (enrdf_load_stackoverflow) | 1984-11-16 |
| SE8007290L (sv) | 1981-04-19 |
| FR2467582A1 (fr) | 1981-04-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |