DE2737566C2 - Computer-Tomograph - Google Patents
Computer-TomographInfo
- Publication number
- DE2737566C2 DE2737566C2 DE2737566A DE2737566A DE2737566C2 DE 2737566 C2 DE2737566 C2 DE 2737566C2 DE 2737566 A DE2737566 A DE 2737566A DE 2737566 A DE2737566 A DE 2737566A DE 2737566 C2 DE2737566 C2 DE 2737566C2
- Authority
- DE
- Germany
- Prior art keywords
- detectors
- detector
- radiation
- source
- paths
- 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 37
- 230000000737 periodic effect Effects 0.000 claims description 6
- 230000035945 sensitivity Effects 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000010606 normalization Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 108090000623 proteins and genes Proteins 0.000 claims 1
- 238000010894 electron beam technology Methods 0.000 description 9
- 230000010354 integration Effects 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 238000012935 Averaging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 230000003313 weakening effect Effects 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
- A61B6/08—Auxiliary means for directing the radiation beam to a particular spot, e.g. using light beams
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S378/00—X-ray or gamma ray systems or devices
- Y10S378/901—Computer tomography program or processor
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- High Energy & Nuclear Physics (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Public Health (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)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Medical Treatment And Welfare Office Work (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB34120/76A GB1584954A (en) | 1976-08-17 | 1976-08-17 | Radiography |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2737566A1 DE2737566A1 (de) | 1978-02-23 |
| DE2737566C2 true DE2737566C2 (de) | 1985-01-03 |
Family
ID=10361618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2737566A Expired DE2737566C2 (de) | 1976-08-17 | 1977-08-17 | Computer-Tomograph |
Country Status (6)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1589469A (en) * | 1976-09-23 | 1981-05-13 | Emi Ltd | Radiography |
| US4450478A (en) * | 1981-09-09 | 1984-05-22 | Georgetown University | Digital fluorographic method and system |
| JPS5846875A (ja) * | 1981-09-14 | 1983-03-18 | Toshiba Corp | パワ−トランジスタのドライブ回路 |
| US4472823A (en) * | 1982-03-17 | 1984-09-18 | U.S. Philips Corporation | Computed tomography apparatus with detector sensitivity correction |
| US4550371A (en) * | 1982-09-27 | 1985-10-29 | General Electric Company | Method and apparatus for compensating CT images for truncated projections |
| 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 |
| DE4335300C1 (de) * | 1993-10-15 | 1994-10-27 | Siemens Ag | Computertomograph mit Fächerstrahl |
| DE19746096A1 (de) * | 1997-10-17 | 1999-05-06 | Siemens Ag | Röntgeneinrichtung |
| US10067076B2 (en) | 2013-12-23 | 2018-09-04 | Johnson Matthey Public Limited Company | Scanning method |
Family Cites Families (9)
| 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-06-05 | 1978-01-13 | Emi Ltd | |
| GB1478124A (en) * | 1973-08-31 | 1977-06-29 | Emi Ltd | Apparatus for examining bodies by means of penetrating radiation |
| GB1493594A (en) * | 1974-01-31 | 1977-11-30 | Emi Ltd | Radiography |
| GB1493593A (en) * | 1974-01-31 | 1977-11-30 | Emi Ltd | Radiography |
| GB1493243A (en) * | 1974-02-15 | 1977-11-30 | Emi Ltd | Radiographic apparatus |
| JPS5444597B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1974-03-23 | 1979-12-26 | ||
| GB1529799A (en) * | 1974-11-13 | 1978-10-25 | Emi Ltd | Radiography |
-
1976
- 1976-08-17 GB GB34120/76A patent/GB1584954A/en not_active Expired
-
1977
- 1977-08-11 US US05/823,709 patent/US4172978A/en not_active Expired - Lifetime
- 1977-08-16 JP JP9815777A patent/JPS5330892A/ja active Granted
- 1977-08-17 NL NLAANVRAGE7709117,A patent/NL183805C/xx not_active IP Right Cessation
- 1977-08-17 FR FR7725115A patent/FR2361859A1/fr active Granted
- 1977-08-17 DE DE2737566A patent/DE2737566C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2361859B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-01-22 |
| DE2737566A1 (de) | 1978-02-23 |
| FR2361859A1 (fr) | 1978-03-17 |
| NL183805C (nl) | 1989-02-01 |
| JPS5533340B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-08-30 |
| US4172978A (en) | 1979-10-30 |
| JPS5330892A (en) | 1978-03-23 |
| NL7709117A (nl) | 1978-02-21 |
| GB1584954A (en) | 1981-02-18 |
| NL183805B (nl) | 1988-09-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAP | Request for examination filed | ||
| OD | Request for examination | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |