FR2260252A1 - - Google Patents
Info
- Publication number
- FR2260252A1 FR2260252A1 FR7502913A FR7502913A FR2260252A1 FR 2260252 A1 FR2260252 A1 FR 2260252A1 FR 7502913 A FR7502913 A FR 7502913A FR 7502913 A FR7502913 A FR 7502913A FR 2260252 A1 FR2260252 A1 FR 2260252A1
- Authority
- FR
- France
- 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.)
- Granted
Links
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
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/501—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for diagnosis of the head, e.g. neuroimaging or craniography
-
- 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
- A61B6/58—Testing, adjusting or calibrating thereof
- A61B6/582—Calibration
- A61B6/585—Calibration of detector units
-
- 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
- G06T11/006—Inverse problem, transformation from projection-space into object-space, e.g. transform methods, back-projection, algebraic methods
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Surgery (AREA)
- Veterinary Medicine (AREA)
- High Energy & Nuclear Physics (AREA)
- Theoretical Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- General Physics & Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Algebra (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pulmonology (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Measurement Of Radiation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4561/74A GB1493593A (en) | 1974-01-31 | 1974-01-31 | Radiography |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2260252A1 true FR2260252A1 (fr) | 1975-08-29 |
FR2260252B1 FR2260252B1 (fr) | 1980-09-05 |
Family
ID=9779476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7502913A Expired FR2260252B1 (fr) | 1974-01-31 | 1975-01-30 |
Country Status (6)
Country | Link |
---|---|
US (1) | US4071760A (fr) |
JP (1) | JPS5441398B2 (fr) |
DE (1) | DE2503978C3 (fr) |
FR (1) | FR2260252B1 (fr) |
GB (1) | GB1493593A (fr) |
NL (1) | NL183336C (fr) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2337884A1 (fr) * | 1976-01-07 | 1977-08-05 | Philips Nv | Dispositif pour mesurer des differences de degre d'absorption |
FR2356160A1 (fr) * | 1976-06-22 | 1978-01-20 | Philips Nv | Dispositif pour mesurer le degre d'absorption dans un plan d'un corps |
FR2368760A1 (fr) * | 1976-10-23 | 1978-05-19 | Philips Nv | Procede et dispositif pour reduire l'influence d'erreurs de detection lors de l'emploi de dispositifs d'examen par rayons x |
FR2382057A1 (fr) * | 1977-02-24 | 1978-09-22 | Emi Ltd | Appareil de tomographie par ordinateur |
FR2391696A1 (fr) * | 1977-05-24 | 1978-12-22 | Siemens Ag | Appareil pour la realisation de tomographies transversales |
FR2413720A1 (fr) * | 1977-12-30 | 1979-07-27 | Union Carbide Corp | Appareil d'analyse par gammagraphie |
EP0109205A2 (fr) * | 1982-11-15 | 1984-05-23 | Picker International, Inc. | Procédé et appareil d'imagerie de tomogrammes traités par ordinateur |
FR2626432A1 (fr) * | 1988-01-25 | 1989-07-28 | Commissariat Energie Atomique | Appareil de tomographie a rayons x |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4289968A (en) * | 1975-01-23 | 1981-09-15 | Emi Limited | Radiography |
JPS52151587A (en) * | 1976-04-19 | 1977-12-16 | Varian Associates | Sectional camera scanner |
NL7704119A (nl) * | 1976-04-19 | 1977-10-21 | Varian Associates | Tomografische aftastinrichting. |
GB1584954A (en) * | 1976-08-17 | 1981-02-18 | Emi Ltd | Radiography |
JPS5394787A (en) * | 1977-01-31 | 1978-08-19 | Toshiba Corp | Tomographic diagnostic equipment by radiation |
DE2718943A1 (de) * | 1977-04-28 | 1978-11-02 | Philips Patentverwaltung | Anordnung zur herstellung von roentgenschichtaufnahmen |
JPS53143190A (en) * | 1977-05-20 | 1978-12-13 | Hitachi Medical Corp | Xxray inspecting device |
CA1104727A (fr) * | 1977-08-18 | 1981-07-07 | Godfrey N. Hounsfield | Explorateur ct a rotation uniquement avec deviation du faisceau |
DE2844927A1 (de) * | 1978-10-14 | 1980-04-30 | Philips Patentverwaltung | Verfahren zur ermittlung des koerperrandes zur rekonstruktion einer absorptionsverteilung in einem ebenen untersuchungsbereich eines koerpers |
US4278889A (en) * | 1979-10-15 | 1981-07-14 | Ohio Nuclear, Inc. | Current amplifier with automatic drift correction for tomographic scanners |
JPS56150512U (fr) * | 1981-04-02 | 1981-11-11 | ||
US4578767A (en) * | 1981-10-02 | 1986-03-25 | Raytheon Company | X-ray system tester |
CA1196691A (fr) * | 1982-01-12 | 1985-11-12 | Bradley Fry | Systeme et methodes de reconstruction pour imagerie a impedance |
US4472823A (en) * | 1982-03-17 | 1984-09-18 | U.S. Philips Corporation | Computed tomography apparatus with detector sensitivity correction |
DE3321057A1 (de) * | 1983-06-09 | 1984-12-13 | Philipp 8500 Nürnberg Röder | Geraet zur untersuchung oder behandlung eines patienten mittels durchdringender strahlung |
US4891829A (en) * | 1986-11-19 | 1990-01-02 | Exxon Research And Engineering Company | Method and apparatus for utilizing an electro-optic detector in a microtomography system |
US4870672A (en) * | 1987-08-26 | 1989-09-26 | General Electric Company | Thermal emittance coating for x-ray tube target |
US4882494A (en) * | 1988-02-26 | 1989-11-21 | Michael D. Duncan | Apparatus and method for flooding a nuclear imaging device with radiation from an imaging source |
ES2085885T3 (es) * | 1989-11-08 | 1996-06-16 | George S Allen | Brazo mecanico para sistema interactivo de cirugia dirigido por imagenes. |
US5052119A (en) * | 1989-12-27 | 1991-10-01 | North American Philips Corporation | Angular micro-positioning device |
US5533081A (en) * | 1995-01-17 | 1996-07-02 | General Electric Company | Guided ringfix algorithm for image reconstruction |
EP3087376B1 (fr) | 2013-12-23 | 2020-02-05 | Johnson Matthey Public Limited Company | Procédé de balayage |
Family Cites Families (6)
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 |
US3784820A (en) * | 1970-06-22 | 1974-01-08 | Univ Case Western Reserve | Tomographic scanning process |
GB1389672A (en) * | 1971-10-29 | 1975-04-03 | Univ Sherbrooke | Apparatus and method for the detection and measurement of radioactivity in the human body |
US3780290A (en) * | 1972-03-28 | 1973-12-18 | Atomic Energy Commission | Radiation camera motion correction system |
FR2183387A5 (fr) * | 1972-05-05 | 1973-12-14 | Radiologie Cie Gle | |
GB1475492A (en) * | 1973-06-01 | 1977-06-01 | Emi Ltd | Apparatus for examining objects by means of penetrating radiation |
-
1974
- 1974-01-31 GB GB4561/74A patent/GB1493593A/en not_active Expired
-
1975
- 1975-01-23 US US05/543,338 patent/US4071760A/en not_active Expired - Lifetime
- 1975-01-29 DE DE2503978A patent/DE2503978C3/de not_active Expired
- 1975-01-30 FR FR7502913A patent/FR2260252B1/fr not_active Expired
- 1975-01-31 NL NLAANVRAGE7501209,A patent/NL183336C/xx not_active IP Right Cessation
- 1975-01-31 JP JP1391175A patent/JPS5441398B2/ja not_active Expired
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2337884A1 (fr) * | 1976-01-07 | 1977-08-05 | Philips Nv | Dispositif pour mesurer des differences de degre d'absorption |
FR2356160A1 (fr) * | 1976-06-22 | 1978-01-20 | Philips Nv | Dispositif pour mesurer le degre d'absorption dans un plan d'un corps |
FR2368760A1 (fr) * | 1976-10-23 | 1978-05-19 | Philips Nv | Procede et dispositif pour reduire l'influence d'erreurs de detection lors de l'emploi de dispositifs d'examen par rayons x |
FR2382057A1 (fr) * | 1977-02-24 | 1978-09-22 | Emi Ltd | Appareil de tomographie par ordinateur |
FR2391696A1 (fr) * | 1977-05-24 | 1978-12-22 | Siemens Ag | Appareil pour la realisation de tomographies transversales |
FR2413720A1 (fr) * | 1977-12-30 | 1979-07-27 | Union Carbide Corp | Appareil d'analyse par gammagraphie |
EP0109205A2 (fr) * | 1982-11-15 | 1984-05-23 | Picker International, Inc. | Procédé et appareil d'imagerie de tomogrammes traités par ordinateur |
EP0109205A3 (fr) * | 1982-11-15 | 1985-07-31 | Picker International, Inc. | Procédé et appareil d'imagerie de tomogrammes traités par ordinateur |
FR2626432A1 (fr) * | 1988-01-25 | 1989-07-28 | Commissariat Energie Atomique | Appareil de tomographie a rayons x |
EP0326471A1 (fr) * | 1988-01-25 | 1989-08-02 | Commissariat A L'energie Atomique | Appareil de tomographie à rayons X |
US5012498A (en) * | 1988-01-25 | 1991-04-30 | Commissariat A L'energie Atomique | X-ray tomography device |
Also Published As
Publication number | Publication date |
---|---|
DE2503978C3 (de) | 1982-08-12 |
DE2503978A1 (de) | 1975-08-07 |
JPS50124687A (fr) | 1975-09-30 |
DE2503978B2 (de) | 1980-05-08 |
NL183336B (nl) | 1988-05-02 |
NL7501209A (nl) | 1975-08-04 |
US4071760A (en) | 1978-01-31 |
GB1493593A (en) | 1977-11-30 |
FR2260252B1 (fr) | 1980-09-05 |
JPS5441398B2 (fr) | 1979-12-07 |
NL183336C (nl) | 1988-10-03 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property |