DE2704784C2 - Computer-Tomograph - Google Patents
Computer-TomographInfo
- Publication number
- DE2704784C2 DE2704784C2 DE2704784A DE2704784A DE2704784C2 DE 2704784 C2 DE2704784 C2 DE 2704784C2 DE 2704784 A DE2704784 A DE 2704784A DE 2704784 A DE2704784 A DE 2704784A DE 2704784 C2 DE2704784 C2 DE 2704784C2
- Authority
- DE
- Germany
- Prior art keywords
- radiation
- detectors
- computer tomograph
- output signals
- fan
- 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 57
- 238000012545 processing Methods 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 230000010354 integration Effects 0.000 description 5
- 238000012937 correction Methods 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012549 training 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Optics & Photonics (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- High Energy & Nuclear Physics (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Public Health (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Theoretical Computer Science (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4546/76A GB1569413A (en) | 1976-02-05 | 1976-02-05 | Radography |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2704784A1 DE2704784A1 (de) | 1977-08-18 |
| DE2704784C2 true DE2704784C2 (de) | 1984-12-13 |
Family
ID=9779204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2704784A Expired DE2704784C2 (de) | 1976-02-05 | 1977-02-02 | Computer-Tomograph |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4114041A (enExample) |
| JP (1) | JPS52125291A (enExample) |
| DE (1) | DE2704784C2 (enExample) |
| GB (1) | GB1569413A (enExample) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5436780A (en) * | 1977-08-26 | 1979-03-17 | Hitachi Medical Corp | Xxray detector |
| DE2846526A1 (de) * | 1978-10-25 | 1980-05-08 | Siemens Ag | Vorrichtung zum uebertragen von signalen |
| JPS55158028U (enExample) * | 1979-04-30 | 1980-11-13 | ||
| DE2920051C2 (de) * | 1979-05-18 | 1984-04-19 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Röntgengerät zur Ermittlung der Absorptionsverteilung in einem ebenen Untersuchungsbereich |
| JPS57126061U (enExample) * | 1981-02-02 | 1982-08-06 | ||
| US4433427A (en) * | 1982-01-26 | 1984-02-21 | Elscint, Inc. | Method and apparatus for examining a body by means of penetrating radiation such as X-rays |
| NL8202417A (nl) * | 1982-06-15 | 1984-01-02 | Philips Nv | Inrichting en werkwijze voor het verwerken van roentgenbeelden. |
| JPS59151939A (ja) * | 1983-02-08 | 1984-08-30 | 株式会社東芝 | Ｘ線診断装置 |
| US4718076A (en) * | 1983-04-22 | 1988-01-05 | Kabushiki Kaisha Toshiba | X-ray imaging apparatus |
| DE3469666D1 (en) * | 1983-04-25 | 1988-04-07 | Toshiba Kk | X-ray diagnostic apparatus |
| JPS61249452A (ja) * | 1985-04-30 | 1986-11-06 | 株式会社東芝 | Ｘ線診断装置 |
| JPH0675570B2 (ja) * | 1985-09-11 | 1994-09-28 | 株式会社東芝 | Ｘ線ｃｔ装置 |
| JPS62191972A (ja) * | 1986-02-18 | 1987-08-22 | Toshiba Corp | Ｘ線画像処理装置 |
| NL8802556A (nl) * | 1988-10-18 | 1990-05-16 | Philips Nv | Computertomografiescanner met tomosynthetisch scanogram. |
| DE19523090C1 (de) * | 1995-06-26 | 1996-08-29 | Siemens Ag | Röntgenuntersuchungsgerät |
| JP4314008B2 (ja) * | 2002-10-01 | 2009-08-12 | 株式会社東芝 | Ｘ線ｃｔスキャナ |
| JP3950855B2 (ja) * | 2004-01-07 | 2007-08-01 | ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー | 散乱測定方法、散乱補正方法およびｘ線ｃｔ装置 |
| WO2006053279A2 (en) * | 2004-11-12 | 2006-05-18 | Scantech Holdings, Llc | Non-intrusive container inspection system using forward-scattered radiation |
| CN106572823B (zh) * | 2014-07-15 | 2020-11-20 | 皇家飞利浦有限公司 | 投影数据采集装置 |
Family Cites Families (4)
| 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 |
| GB1471531A (en) * | 1973-04-25 | 1977-04-27 | Emi Ltd | Radiography |
| FR2232294B1 (enExample) * | 1973-06-05 | 1978-01-13 | Emi Ltd | |
| FR2249517B1 (enExample) * | 1973-10-30 | 1976-10-01 | Thomson Csf |
-
1976
- 1976-02-05 GB GB4546/76A patent/GB1569413A/en not_active Expired
-
1977
- 1977-02-02 DE DE2704784A patent/DE2704784C2/de not_active Expired
- 1977-02-02 JP JP1059477A patent/JPS52125291A/ja active Granted
- 1977-02-03 US US05/765,422 patent/US4114041A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2704784A1 (de) | 1977-08-18 |
| JPS52125291A (en) | 1977-10-20 |
| JPS5442599B2 (enExample) | 1979-12-14 |
| US4114041A (en) | 1978-09-12 |
| GB1569413A (en) | 1980-06-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |