DE2741240C2 - - Google Patents
Info
- Publication number
- DE2741240C2 DE2741240C2 DE2741240A DE2741240A DE2741240C2 DE 2741240 C2 DE2741240 C2 DE 2741240C2 DE 2741240 A DE2741240 A DE 2741240A DE 2741240 A DE2741240 A DE 2741240A DE 2741240 C2 DE2741240 C2 DE 2741240C2
- Authority
- DE
- Germany
- Prior art keywords
- rotation
- ray
- pulses
- angle
- pulse
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 14
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 23
- 210000000481 breast Anatomy 0.000 description 22
- 230000006870 function Effects 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 230000033001 locomotion Effects 0.000 description 12
- 230000001960 triggered effect Effects 0.000 description 12
- 230000005855 radiation Effects 0.000 description 11
- 230000008859 change Effects 0.000 description 7
- 210000000038 chest Anatomy 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000005070 sampling Methods 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 6
- 238000004422 calculation algorithm Methods 0.000 description 5
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- 210000004872 soft tissue Anatomy 0.000 description 2
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- 230000003313 weakening effect Effects 0.000 description 2
- 208000026310 Breast neoplasm Diseases 0.000 description 1
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- 239000003795 chemical substances by application Substances 0.000 description 1
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- 230000005284 excitation Effects 0.000 description 1
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- 238000003384 imaging method Methods 0.000 description 1
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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
- A61B6/50—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
- A61B6/502—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 breast, i.e. mammography
-
- 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
- A61B6/04—Positioning of patients; Tiltable beds or the like
- A61B6/0407—Supports, e.g. tables or beds, for the body or parts of the body
- A61B6/0435—Supports, e.g. tables or beds, for the body or parts of the body with means for imaging suspended breasts
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05G—X-RAY TECHNIQUE
- H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
- H05G1/08—Electrical details
- H05G1/26—Measuring, controlling or protecting
- H05G1/30—Controlling
- H05G1/38—Exposure time
- H05G1/40—Exposure time using adjustable time-switch
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2211/00—Image generation
- G06T2211/40—Computed tomography
- G06T2211/436—Limited angle
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Theoretical Computer Science (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- High Energy & Nuclear Physics (AREA)
- General Physics & Mathematics (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Quality & Reliability (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Toxicology (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US72394176A | 1976-09-16 | 1976-09-16 | |
| US05/723,799 US4107531A (en) | 1976-09-16 | 1976-09-16 | X-ray body scanner using encoder for generating system controlling timing pulse train |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2741240A1 DE2741240A1 (de) | 1978-03-23 |
| DE2741240C2 true DE2741240C2 (fr) | 1990-10-18 |
Family
ID=27110872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772741240 Granted DE2741240A1 (de) | 1976-09-16 | 1977-09-14 | Rechnerunterstuetztes tomographiesystem |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5336493A (fr) |
| BR (1) | BR7705839A (fr) |
| DE (1) | DE2741240A1 (fr) |
| FR (1) | FR2364643A1 (fr) |
| GB (2) | GB1592083A (fr) |
| IT (1) | IT1143688B (fr) |
| MX (1) | MX144155A (fr) |
| NL (1) | NL187046C (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4019513A1 (de) * | 1990-06-19 | 1992-01-09 | Siemens Ag | Geraet mit einer vorrichtung zur aufnahme eines elektrischen leiters |
| DE19933537B4 (de) * | 1998-08-18 | 2005-03-17 | Siemens Ag | Röntgen-Computertomographie-Gerät mit Mitteln zur Modulation der Röntgenleistung einer Röntgenstrahlenquelle |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50157286A (fr) * | 1974-03-26 | 1975-12-19 | ||
| JP5288737B2 (ja) * | 2007-07-20 | 2013-09-11 | キヤノン株式会社 | Ｘ線画像撮影装置 |
| US20130289542A1 (en) * | 2012-04-30 | 2013-10-31 | Elekta Ab (Publ) | Arrangement for supporting one or more cables, wires or hoses |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1430088A (en) * | 1972-05-17 | 1976-03-31 | Emi Ltd | Radiography |
| 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 |
| US3924131A (en) * | 1968-08-23 | 1975-12-02 | Emi Ltd | Method of and apparatus for examining a body by radiation such as X or gamma radiation |
| US3867634A (en) * | 1968-08-23 | 1975-02-18 | Emi Ltd | Body portion support for use with penetrating radiation examination apparatus |
| BE791850A (fr) * | 1971-11-26 | 1973-05-24 | Cfc Products | Procede et dispositif de tomographie |
| GB1475308A (en) * | 1973-07-21 | 1977-06-01 | Emi Ltd | Radiography |
| GB1493148A (en) * | 1974-01-31 | 1977-11-23 | Emi Ltd | Radiography |
| JPS5444597B2 (fr) * | 1974-03-23 | 1979-12-26 | ||
| JPS5154793A (fr) * | 1974-08-28 | 1976-05-14 | Emi Varian Ltd | |
| DE2442809A1 (de) * | 1974-09-06 | 1976-03-18 | Philips Patentverwaltung | Anordnung zur ermittlung der absorption in einem koerper |
| US3973126A (en) * | 1975-07-31 | 1976-08-03 | General Electric Company | Mammography |
-
1977
- 1977-08-25 GB GB35689/77A patent/GB1592083A/en not_active Expired
- 1977-08-25 GB GB7107/80A patent/GB1592084A/en not_active Expired
- 1977-08-30 BR BR7705839A patent/BR7705839A/pt unknown
- 1977-09-14 DE DE19772741240 patent/DE2741240A1/de active Granted
- 1977-09-14 JP JP11008977A patent/JPS5336493A/ja active Pending
- 1977-09-15 FR FR7727860A patent/FR2364643A1/fr active Granted
- 1977-09-15 MX MX170586A patent/MX144155A/es unknown
- 1977-09-16 NL NLAANVRAGE7710221,A patent/NL187046C/xx not_active IP Right Cessation
- 1977-09-16 IT IT27600/77A patent/IT1143688B/it active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4019513A1 (de) * | 1990-06-19 | 1992-01-09 | Siemens Ag | Geraet mit einer vorrichtung zur aufnahme eines elektrischen leiters |
| DE19933537B4 (de) * | 1998-08-18 | 2005-03-17 | Siemens Ag | Röntgen-Computertomographie-Gerät mit Mitteln zur Modulation der Röntgenleistung einer Röntgenstrahlenquelle |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2741240A1 (de) | 1978-03-23 |
| NL187046B (nl) | 1990-12-17 |
| JPS5336493A (en) | 1978-04-04 |
| GB1592083A (en) | 1981-07-01 |
| IT1143688B (it) | 1986-10-22 |
| MX144155A (es) | 1981-09-03 |
| NL187046C (nl) | 1991-05-16 |
| GB1592084A (en) | 1981-07-01 |
| NL7710221A (nl) | 1978-03-20 |
| BR7705839A (pt) | 1978-07-18 |
| FR2364643A1 (fr) | 1978-04-14 |
| FR2364643B1 (fr) | 1984-12-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8120 | Willingness to grant licences paragraph 23 | ||
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8330 | Complete renunciation |