NL8502449A - Werkwijze en inrichting voor het weergeven van de verdeling van grote aktiviteitwaarden van radioaktieve stoffen. - Google Patents
Werkwijze en inrichting voor het weergeven van de verdeling van grote aktiviteitwaarden van radioaktieve stoffen. Download PDFInfo
- Publication number
- NL8502449A NL8502449A NL8502449A NL8502449A NL8502449A NL 8502449 A NL8502449 A NL 8502449A NL 8502449 A NL8502449 A NL 8502449A NL 8502449 A NL8502449 A NL 8502449A NL 8502449 A NL8502449 A NL 8502449A
- Authority
- NL
- Netherlands
- Prior art keywords
- whole body
- camera
- collimator
- window
- mechanical
- Prior art date
Links
- 230000000694 effects Effects 0.000 title claims description 23
- 238000009826 distribution Methods 0.000 title claims description 18
- 238000000034 method Methods 0.000 title claims description 18
- 239000000941 radioactive substance Substances 0.000 title description 5
- 238000005259 measurement Methods 0.000 claims description 18
- 230000005855 radiation Effects 0.000 claims description 18
- 238000010276 construction Methods 0.000 claims description 4
- 239000012857 radioactive material Substances 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 2
- 239000000470 constituent Substances 0.000 claims 2
- 239000013078 crystal Substances 0.000 description 7
- 238000002560 therapeutic procedure Methods 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000035508 accumulation Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000009206 nuclear medicine Methods 0.000 description 3
- 230000001427 coherent effect Effects 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000004304 visual acuity Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 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
- G01T1/1641—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras
- G01T1/1648—Ancillary equipment for scintillation cameras, e.g. reference markers, devices for removing motion artifacts, calibration devices
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Optics & Photonics (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Biophysics (AREA)
- General Physics & Mathematics (AREA)
- Radiology & Medical Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine (AREA)
- Measurement Of Radiation (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843433109 DE3433109A1 (de) | 1984-09-08 | 1984-09-08 | Vorrichtung und verfahren zur darstellung der verteilung hoher aktivitaeten radioaktiver substanzen mit hilfe von ganzkoerper-szintigraphie-einrichtungen |
| DE3433109 | 1984-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8502449A true NL8502449A (nl) | 1986-04-01 |
Family
ID=6244986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8502449A NL8502449A (nl) | 1984-09-08 | 1985-09-06 | Werkwijze en inrichting voor het weergeven van de verdeling van grote aktiviteitwaarden van radioaktieve stoffen. |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4778997A (de) |
| DE (1) | DE3433109A1 (de) |
| NL (1) | NL8502449A (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5401969A (en) * | 1993-07-21 | 1995-03-28 | Scintillation Technologies Corporation | Scintillation camera |
| DE19914915A1 (de) * | 1999-04-01 | 2000-10-05 | Forschungszentrum Juelich Gmbh | Verfahren sowie Scanner zur Erfassung von Strahlung |
| WO2001054137A1 (en) | 2000-01-24 | 2001-07-26 | Mamea Imaging Ab | Method and arrangement for variable exposure of x-ray detector |
| US20040095626A1 (en) * | 2002-09-30 | 2004-05-20 | Duke University | Reference structures and reference structure enhanced tomography |
| US7149284B2 (en) * | 2003-11-13 | 2006-12-12 | General Electric Company | Segmented collimator assembly |
| US7569826B2 (en) * | 2007-03-30 | 2009-08-04 | General Electric Company | Adjustable collimators method and system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2010360C3 (de) * | 1970-03-05 | 1983-04-28 | Siemens AG, 1000 Berlin und 8000 München | Röntgendiagnostikeinrichtung mit einer Bildverstärker-Fernsehkette und mit einer Steueranordnung zum Verändern der Dosisleistung |
| US4012636A (en) * | 1975-09-08 | 1977-03-15 | Raytheon Company | Scanning gamma camera |
| NL7608031A (nl) * | 1976-07-20 | 1978-01-24 | Optische Ind De Oude Delft Nv | Collimator. |
| US4348591A (en) * | 1979-11-26 | 1982-09-07 | Wunderlich Alan M | Utilizing gamma cameras for uptake studies and restricted fields of view and multiple aperture collimator systems therefor |
| US4489426A (en) * | 1981-12-23 | 1984-12-18 | General Electric Company | Collimator with adjustable aperture |
| JP3841483B2 (ja) * | 1996-06-18 | 2006-11-01 | 大成建設株式会社 | トンネル切羽前方地質探査方法及びシステム |
-
1984
- 1984-09-08 DE DE19843433109 patent/DE3433109A1/de active Granted
-
1985
- 1985-09-04 US US06/772,420 patent/US4778997A/en not_active Expired - Fee Related
- 1985-09-06 NL NL8502449A patent/NL8502449A/nl not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| DE3433109A1 (de) | 1986-03-27 |
| US4778997A (en) | 1988-10-18 |
| DE3433109C2 (de) | 1989-03-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |