CA1061478A - Dispositif pour mesurer la repartition ou l'emission de radiations dans une couche d'un tissu - Google Patents
Dispositif pour mesurer la repartition ou l'emission de radiations dans une couche d'un tissuInfo
- Publication number
- CA1061478A CA1061478A CA252,097A CA252097A CA1061478A CA 1061478 A CA1061478 A CA 1061478A CA 252097 A CA252097 A CA 252097A CA 1061478 A CA1061478 A CA 1061478A
- Authority
- CA
- Canada
- Prior art keywords
- values
- measuring
- layer
- absorption
- generators
- 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
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 40
- 238000009826 distribution Methods 0.000 title claims abstract description 11
- 230000005855 radiation Effects 0.000 title claims description 16
- 238000003860 storage Methods 0.000 claims description 18
- 230000001419 dependent effect Effects 0.000 claims description 4
- 238000012432 intermediate storage Methods 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 claims 1
- 230000009102 absorption Effects 0.000 abstract description 32
- 230000007480 spreading Effects 0.000 abstract description 3
- 239000000543 intermediate Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 7
- 239000011159 matrix material Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 108010076282 Factor IX Proteins 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009206 nuclear medicine Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 210000000352 storage cell Anatomy 0.000 description 1
- 238000012360 testing method 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
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/003—Reconstruction from projections, e.g. tomography
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Radiology & Medical Imaging (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Pulmonology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- High Energy & Nuclear Physics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- General Physics & Mathematics (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Image Analysis (AREA)
- Nuclear Medicine (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752521171 DE2521171A1 (de) | 1975-05-13 | 1975-05-13 | Anordnung zur ermittlung der verteilung der absorption oder der emission von strahlung in einer ebene eines koerpers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1061478A true CA1061478A (fr) | 1979-08-28 |
Family
ID=5946398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA252,097A Expired CA1061478A (fr) | 1975-05-13 | 1976-05-10 | Dispositif pour mesurer la repartition ou l'emission de radiations dans une couche d'un tissu |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS51146884A (fr) |
| BE (1) | BE841756A (fr) |
| CA (1) | CA1061478A (fr) |
| DE (1) | DE2521171A1 (fr) |
| ES (1) | ES447778A1 (fr) |
| FR (1) | FR2311358A1 (fr) |
| GB (1) | GB1553857A (fr) |
| IT (1) | IT1061971B (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2556012A1 (de) * | 1975-12-12 | 1977-06-16 | Philips Patentverwaltung | Verfahren und anordnung zur ermittlung der raeumlichen verteilung einer strahlung in einer ebene eines koerpers |
| NL7902015A (nl) * | 1979-03-14 | 1980-09-16 | Philips Nv | Werkwijze en inrichting voor het bepalen van een stralingsabsorptieverdeling in een deel van een lichaam. |
| JPS58118735A (ja) * | 1982-01-06 | 1983-07-14 | 株式会社東芝 | コンピユ−タ断層撮影装置 |
| US5015856A (en) * | 1990-03-28 | 1991-05-14 | E. I. Du Pont De Nemours And Company | Automated process for permeability determinations of barrier resins |
| EP1964055A1 (fr) | 2005-12-15 | 2008-09-03 | Philips Intellectual Property & Standards GmbH | Convergence avancée pour algorithme itératif multiple |
| US9029760B2 (en) | 2009-07-07 | 2015-05-12 | Board Of Regents, The University Of Texas System | Liquid scintillator for 3D dosimetry for radiotherapy modalities |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1283915A (en) * | 1968-08-23 | 1972-08-02 | Emi Ltd | A method of and apparatus for examination of a body by radiation such as x or gamma radiation |
| GB1464864A (en) * | 1973-05-23 | 1977-02-16 | Emi Ltd | Data processing techniques |
-
1975
- 1975-05-13 DE DE19752521171 patent/DE2521171A1/de not_active Ceased
-
1976
- 1976-05-10 IT IT49399/76A patent/IT1061971B/it active
- 1976-05-10 GB GB19112/76A patent/GB1553857A/en not_active Expired
- 1976-05-10 CA CA252,097A patent/CA1061478A/fr not_active Expired
- 1976-05-11 ES ES447778A patent/ES447778A1/es not_active Expired
- 1976-05-12 BE BE166970A patent/BE841756A/fr unknown
- 1976-05-13 JP JP51053872A patent/JPS51146884A/ja active Pending
- 1976-05-13 FR FR7614388A patent/FR2311358A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| BE841756A (fr) | 1976-11-12 |
| ES447778A1 (es) | 1977-06-16 |
| GB1553857A (en) | 1979-10-10 |
| DE2521171A1 (de) | 1976-11-25 |
| FR2311358A1 (fr) | 1976-12-10 |
| FR2311358B1 (fr) | 1982-10-15 |
| IT1061971B (it) | 1983-04-30 |
| JPS51146884A (en) | 1976-12-16 |
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