DE2513137C3 - Strahlendiagnostisches Gerät - Google Patents
Strahlendiagnostisches GerätInfo
- Publication number
- DE2513137C3 DE2513137C3 DE2513137A DE2513137A DE2513137C3 DE 2513137 C3 DE2513137 C3 DE 2513137C3 DE 2513137 A DE2513137 A DE 2513137A DE 2513137 A DE2513137 A DE 2513137A DE 2513137 C3 DE2513137 C3 DE 2513137C3
- Authority
- DE
- Germany
- Prior art keywords
- radiation
- detector
- detectors
- radiation source
- plane
- 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
- 230000005855 radiation Effects 0.000 title claims description 95
- 238000010521 absorption reaction Methods 0.000 claims description 40
- 230000015654 memory Effects 0.000 claims description 32
- 230000035945 sensitivity Effects 0.000 claims description 29
- 238000012937 correction Methods 0.000 claims description 16
- 238000010894 electron beam technology Methods 0.000 claims description 16
- 238000012545 processing Methods 0.000 claims description 15
- 238000006073 displacement reaction Methods 0.000 claims description 14
- 230000033001 locomotion Effects 0.000 claims description 10
- 239000011159 matrix material Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000013213 extrapolation Methods 0.000 claims description 4
- 238000011156 evaluation Methods 0.000 claims 2
- 230000000149 penetrating effect Effects 0.000 claims 2
- 238000009795 derivation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 19
- 238000012360 testing method Methods 0.000 description 19
- 230000006870 function Effects 0.000 description 17
- 230000010354 integration Effects 0.000 description 11
- 239000013078 crystal Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000012935 Averaging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 230000002964 excitative effect Effects 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910000464 lead oxide Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical class [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 1
- 239000012780 transparent material Substances 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
- 230000000007 visual effect Effects 0.000 description 1
- 238000004804 winding 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]
-
- 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
- A61B6/4021—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
- A61B6/4028—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot resulting in acquisition of views from substantially different positions, e.g. EBCT
-
- 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
-
- 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
- A61B6/4291—Arrangements for detecting radiation specially adapted for radiation diagnosis the detector being combined with a grid or grating
-
- 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
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4488—Means for cooling
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Radiology & Medical Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- High Energy & Nuclear Physics (AREA)
- Theoretical Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Pulmonology (AREA)
- General Physics & Mathematics (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Radiography Using Non-Light Waves (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB13018/74A GB1497396A (en) | 1974-03-23 | 1974-03-23 | Radiography |
| GB1740274 | 1974-04-20 | ||
| GB3303374 | 1974-07-26 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2513137A1 DE2513137A1 (de) | 1975-10-09 |
| DE2513137B2 DE2513137B2 (de) | 1980-05-29 |
| DE2513137C3 true DE2513137C3 (de) | 1982-07-08 |
Family
ID=27256920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2513137A Expired DE2513137C3 (de) | 1974-03-23 | 1975-03-22 | Strahlendiagnostisches Gerät |
Country Status (4)
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1529799A (en) | 1974-11-13 | 1978-10-25 | Emi Ltd | Radiography |
| FR2304321A1 (fr) * | 1975-03-20 | 1976-10-15 | Emi Ltd | Appareil de tomographie a multiples detecteurs |
| US4149247A (en) * | 1975-12-23 | 1979-04-10 | Varian Associates, Inc. | Tomographic apparatus and method for reconstructing planar slices from non-absorbed and non-scattered radiation |
| NL7601219A (nl) * | 1976-02-06 | 1977-08-09 | Philips Nv | Roentgensysteem met een roentgenstraler- en een roentgendetector aandrijving. |
| DE2628493C2 (de) * | 1976-06-25 | 1983-03-10 | Siemens AG, 1000 Berlin und 8000 München | Röntgenschichtgerät zur Herstellung von Transversal-Schichtbildern mit einer um den Fokus einer Röntgenröhre gekrümmten Reihe von Detektoren |
| GB1584954A (en) * | 1976-08-17 | 1981-02-18 | Emi Ltd | Radiography |
| US4107531A (en) * | 1976-09-16 | 1978-08-15 | General Electric Company | X-ray body scanner using encoder for generating system controlling timing pulse train |
| GB1592083A (en) * | 1976-09-16 | 1981-07-01 | Gen Electric | Computerized tomographic system |
| JPS5399893A (en) * | 1977-02-14 | 1978-08-31 | Toshiba Corp | Cable processor |
| JPS53115778U (US20100223739A1-20100909-C00025.png) * | 1977-02-22 | 1978-09-14 | ||
| US4093862A (en) * | 1977-02-25 | 1978-06-06 | General Electric Company | Gantry for computed tomography |
| US4115695A (en) * | 1977-02-25 | 1978-09-19 | General Electric Company | Gantry for computed tomography |
| US4093861A (en) * | 1977-02-25 | 1978-06-06 | General Electric Company | Gantry for computed tomography |
| FR2381507A1 (fr) * | 1977-02-25 | 1978-09-22 | Gen Electric | Structure basculante pour appareil de tomographie a rayons x |
| GB1603346A (en) * | 1977-05-13 | 1981-11-25 | Hitachi Medical Corp | Scanning apparatus for cross-sectional inspection equipment |
| NL7705788A (nl) * | 1977-05-26 | 1978-11-28 | Philips Nv | Inrichting voor computer-tomografie. |
| NL7707541A (nl) * | 1977-07-07 | 1979-01-09 | Philips Nv | Kabelgeleiding, alsmede medische inrichting voorzien van een dergelijke kabelgeleiding. |
| JPS5477270A (en) * | 1977-12-01 | 1979-06-20 | Tdk Corp | Metal or alloy magnetic powder and its manufacture |
| DE3012648A1 (de) * | 1980-04-01 | 1981-10-08 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Computer-tomographiegeraet |
| DE19832276C2 (de) * | 1998-07-17 | 2002-10-24 | Siemens Ag | Verfahren zur Rekonstruktion von aus mittels eines CT-Gerätes durch Spiralabtastung gewonnenen Meßwerten |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2549402A (en) * | 1948-04-01 | 1951-04-17 | Jr Carl A Vossberg | X-ray measuring system |
| 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 |
-
1975
- 1975-03-20 JP JP3418075A patent/JPS5444597B2/ja not_active Expired
- 1975-03-21 FR FR7508902A patent/FR2264516A1/fr active Granted
- 1975-03-22 DE DE2513137A patent/DE2513137C3/de not_active Expired
- 1975-03-24 NL NLAANVRAGE7503520,A patent/NL179783C/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NL7503520A (nl) | 1975-09-25 |
| DE2513137A1 (de) | 1975-10-09 |
| DE2513137B2 (de) | 1980-05-29 |
| NL179783C (nl) | 1986-11-17 |
| NL179783B (nl) | 1986-06-16 |
| FR2264516A1 (en) | 1975-10-17 |
| JPS50133878A (US20100223739A1-20100909-C00025.png) | 1975-10-23 |
| FR2264516B1 (US20100223739A1-20100909-C00025.png) | 1977-11-25 |
| JPS5444597B2 (US20100223739A1-20100909-C00025.png) | 1979-12-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) |