DE2462661C2 - Computer-Tomograph - Google Patents
Computer-TomographInfo
- Publication number
- DE2462661C2 DE2462661C2 DE19742462661 DE2462661A DE2462661C2 DE 2462661 C2 DE2462661 C2 DE 2462661C2 DE 19742462661 DE19742462661 DE 19742462661 DE 2462661 A DE2462661 A DE 2462661A DE 2462661 C2 DE2462661 C2 DE 2462661C2
- Authority
- DE
- Germany
- Prior art keywords
- ring
- patient
- radiation field
- blocks
- detectors
- 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 claims description 36
- 238000010521 absorption reaction Methods 0.000 claims description 14
- 230000033001 locomotion Effects 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 2
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 2
- 230000003313 weakening effect Effects 0.000 claims 4
- 230000036316 preload Effects 0.000 claims 2
- 239000004033 plastic Substances 0.000 claims 1
- 229920003023 plastic Polymers 0.000 claims 1
- 208000032826 Ring chromosome 3 syndrome Diseases 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 241000251730 Chondrichthyes Species 0.000 description 1
- 229910000737 Duralumin Inorganic materials 0.000 description 1
- 240000007313 Tilia cordata Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000700 radioactive tracer Substances 0.000 description 1
- 238000002834 transmittance 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
- A61B6/4035—Arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pulmonology (AREA)
- Theoretical Computer Science (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Measurement Of Radiation (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2681173A GB1475303A (en) | 1973-06-05 | 1973-06-05 | Apparatus for examining a body by means of penetrating radiation |
| GB5771573 | 1973-12-13 | ||
| GB680974 | 1974-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2462661C2 true DE2462661C2 (de) | 1985-07-25 |
Family
ID=27254897
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19742462661 Expired DE2462661C2 (de) | 1973-06-05 | 1974-06-05 | Computer-Tomograph |
| DE19742427418 Expired DE2427418C3 (de) | 1973-06-05 | 1974-06-05 | Gerät zur Untersuchung eines Körperteils mittels durchdringender Strahlung |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19742427418 Expired DE2427418C3 (de) | 1973-06-05 | 1974-06-05 | Gerät zur Untersuchung eines Körperteils mittels durchdringender Strahlung |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS608821B2 (ja) |
| DE (2) | DE2462661C2 (ja) |
| FR (1) | FR2232294B1 (ja) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2437710A1 (de) * | 1974-08-05 | 1976-04-08 | Siemens Ag | Roentgen-schichtgeraet zur herstellung von transversal-schichtbildern |
| GB1529799A (en) | 1974-11-13 | 1978-10-25 | Emi Ltd | Radiography |
| GB1530621A (en) * | 1975-02-08 | 1978-11-01 | Emi Ltd | Radiography |
| DE2611706C2 (de) * | 1975-02-21 | 1984-09-27 | Emi Ltd., Hayes | Computer-Tomograph |
| GB1558062A (en) * | 1975-10-25 | 1979-12-19 | Emi Ltd | Radiology |
| FR2332740A2 (fr) * | 1975-11-28 | 1977-06-24 | Picker Corp | Procede et appareil de tomographie |
| 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 |
| GB1569413A (en) * | 1976-02-05 | 1980-06-18 | Emi Ltd | Radography |
| JPS52100991A (en) * | 1976-02-20 | 1977-08-24 | Hitachi Medical Corp | Xxray sectional checker |
| GB1571510A (en) * | 1976-02-25 | 1980-07-16 | Emi Ltd | Radiography |
| DE2609925C2 (de) * | 1976-03-10 | 1982-06-09 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Anordnung zur Ermittlung der Verteilung der Absorption eines Körpers |
| GB1578754A (en) * | 1976-03-25 | 1980-11-12 | Emi Ltd | Patient positioning and supporting arrangement |
| GB1577615A (en) * | 1976-05-13 | 1980-10-29 | Emi Ltd | Radiography |
| GB1536448A (en) * | 1976-06-01 | 1978-12-20 | Emi Ltd | Radiography |
| GB1584954A (en) * | 1976-08-17 | 1981-02-18 | Emi Ltd | Radiography |
| GB1589469A (en) * | 1976-09-23 | 1981-05-13 | Emi Ltd | Radiography |
| JPS5397980U (ja) * | 1977-01-13 | 1978-08-09 | ||
| JPS5394787A (en) * | 1977-01-31 | 1978-08-19 | Toshiba Corp | Tomographic diagnostic equipment by radiation |
| JPS53134680U (ja) * | 1977-03-31 | 1978-10-25 | ||
| US4114043A (en) * | 1977-05-20 | 1978-09-12 | U.S. Philips Corporation | Cable-supporting arrangement for x-ray tomographic scanner |
| DE2907206A1 (de) * | 1979-02-23 | 1980-09-04 | Siemens Ag | Schichtgeraet zur herstellung von transversalschichtbildern |
| US4250387A (en) * | 1979-10-12 | 1981-02-10 | Emi Limited | Medical radiographic apparatus and method |
| DE2944147A1 (de) * | 1979-11-02 | 1981-05-14 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Anordnung zur ermittlung der streudichteverteilung in einem ebenen untersuchungsbereich |
| JPS61182900U (ja) * | 1985-05-07 | 1986-11-14 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1941433A1 (de) * | 1968-08-23 | 1970-02-26 | Emi Ltd | Verfahren und Vorrichtung zur Untersuchung eines Koerpers durch Strahlen,beispielsweise X- oder Gammastrahlen |
-
1974
- 1974-05-31 FR FR7418993A patent/FR2232294B1/fr not_active Expired
- 1974-06-05 JP JP49063812A patent/JPS608821B2/ja not_active Expired
- 1974-06-05 DE DE19742462661 patent/DE2462661C2/de not_active Expired
- 1974-06-05 DE DE19742427418 patent/DE2427418C3/de not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1941433A1 (de) * | 1968-08-23 | 1970-02-26 | Emi Ltd | Verfahren und Vorrichtung zur Untersuchung eines Koerpers durch Strahlen,beispielsweise X- oder Gammastrahlen |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS608821B2 (ja) | 1985-03-06 |
| FR2232294B1 (ja) | 1978-01-13 |
| DE2427418B2 (de) | 1978-11-30 |
| JPS5049988A (ja) | 1975-05-06 |
| DE2427418A1 (de) | 1975-01-09 |
| DE2427418C3 (de) | 1982-07-29 |
| FR2232294A1 (ja) | 1975-01-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OI | Miscellaneous see part 1 | ||
| OI | Miscellaneous see part 1 | ||
| OD | Request for examination | ||
| AC | Divided out of |
Ref country code: DE Ref document number: 2427418 Format of ref document f/p: P |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8380 | Miscellaneous part iii |
Free format text: DIE HAUPTKLASSE IST WIE ANGEGEBEN ZU BERICHTIGEN A61B 6/03 |
|
| 8328 | Change in the person/name/address of the agent |
Free format text: BRUEMMERSTEDT, H., DIPL.-ING., PAT.-ANW., 3000 HANNOVER |