CA2283771C - Methode de production d'image - Google Patents
Methode de production d'image Download PDFInfo
- Publication number
- CA2283771C CA2283771C CA002283771A CA2283771A CA2283771C CA 2283771 C CA2283771 C CA 2283771C CA 002283771 A CA002283771 A CA 002283771A CA 2283771 A CA2283771 A CA 2283771A CA 2283771 C CA2283771 C CA 2283771C
- Authority
- CA
- Canada
- Prior art keywords
- scintillation
- image
- nuclear
- weighting
- camera
- 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 - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 55
- 239000013078 crystal Substances 0.000 claims abstract description 44
- 230000006870 function Effects 0.000 claims description 17
- 239000011159 matrix material Substances 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims 6
- 230000005251 gamma ray Effects 0.000 abstract description 9
- 238000004364 calculation method Methods 0.000 description 36
- 230000004044 response Effects 0.000 description 22
- 238000009499 grossing Methods 0.000 description 20
- 238000012937 correction Methods 0.000 description 16
- 230000005855 radiation Effects 0.000 description 12
- 206010036618 Premenstrual syndrome Diseases 0.000 description 10
- 230000002285 radioactive effect Effects 0.000 description 8
- 238000002603 single-photon emission computed tomography Methods 0.000 description 8
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 description 3
- 235000004240 Triticum spelta Nutrition 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000002503 metabolic effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012552 review Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000004936 stimulating effect Effects 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
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- 230000008859 change Effects 0.000 description 1
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- 230000001010 compromised effect Effects 0.000 description 1
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- 238000011156 evaluation Methods 0.000 description 1
- 230000004424 eye movement Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 238000009206 nuclear medicine Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000000700 radioactive tracer Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 235000009518 sodium iodide Nutrition 0.000 description 1
- 229910052716 thallium Inorganic materials 0.000 description 1
- -1 thallium-activated sodium iodide Chemical class 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
- 238000013519 translation 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
- G01T1/16—Measuring radiation intensity
- G01T1/161—Applications in the field of nuclear medicine, e.g. in vivo counting
- G01T1/164—Scintigraphy
-
- 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
-
- 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
- G01T1/164—Scintigraphy
- G01T1/1641—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras
- G01T1/1642—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras using a scintillation crystal and position sensing photodetector arrays, e.g. ANGER cameras
-
- 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
- G01T1/164—Scintigraphy
- G01T1/1641—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras
- G01T1/1644—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras using an array of optically separate scintillation elements permitting direct location of scintillations
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Radiology & Medical Imaging (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Biophysics (AREA)
- Nuclear Medicine (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002283771A CA2283771C (fr) | 1998-09-25 | 1999-09-27 | Methode de production d'image |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002248424A CA2248424A1 (fr) | 1998-09-25 | 1998-09-25 | Methode de generation d'image |
| CA2,248,424 | 1998-09-25 | ||
| CA002283771A CA2283771C (fr) | 1998-09-25 | 1999-09-27 | Methode de production d'image |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2283771A1 CA2283771A1 (fr) | 2000-03-25 |
| CA2283771C true CA2283771C (fr) | 2004-03-30 |
Family
ID=31716458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002283771A Expired - Fee Related CA2283771C (fr) | 1998-09-25 | 1999-09-27 | Methode de production d'image |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2283771C (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105182401B (zh) | 2015-09-30 | 2019-05-21 | 东软医疗系统股份有限公司 | 一种核探测器晶体位置识别装置 |
-
1999
- 1999-09-27 CA CA002283771A patent/CA2283771C/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2283771A1 (fr) | 2000-03-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |