GB1579694A - Measuring radiation absorption - Google Patents

Measuring radiation absorption Download PDF

Info

Publication number
GB1579694A
GB1579694A GB9458/77A GB945877A GB1579694A GB 1579694 A GB1579694 A GB 1579694A GB 9458/77 A GB9458/77 A GB 9458/77A GB 945877 A GB945877 A GB 945877A GB 1579694 A GB1579694 A GB 1579694A
Authority
GB
United Kingdom
Prior art keywords
radiation
source
parts
centre
region
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
Application number
GB9458/77A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1579694A publication Critical patent/GB1579694A/en
Expired legal-status Critical Current

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
    • A61B6/40—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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Toxicology (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Measurement Of Radiation (AREA)
GB9458/77A 1976-03-10 1977-03-07 Measuring radiation absorption Expired GB1579694A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2609925A DE2609925C2 (de) 1976-03-10 1976-03-10 Anordnung zur Ermittlung der Verteilung der Absorption eines Körpers

Publications (1)

Publication Number Publication Date
GB1579694A true GB1579694A (en) 1980-11-19

Family

ID=5972020

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9458/77A Expired GB1579694A (en) 1976-03-10 1977-03-07 Measuring radiation absorption

Country Status (8)

Country Link
JP (1) JPS52110582A (de)
CA (1) CA1072688A (de)
DE (1) DE2609925C2 (de)
FR (1) FR2344032A1 (de)
GB (1) GB1579694A (de)
IL (1) IL51613A (de)
NL (1) NL7702394A (de)
SE (1) SE7702484L (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987005739A1 (en) * 1986-03-17 1987-09-24 Eastman Kodak Company Compensation filter for radiography
GB2298556A (en) * 1995-03-01 1996-09-04 St George's Healthcare Nhs Trust X-ray beam attenuator
EP1008325A1 (de) * 1997-03-12 2000-06-14 Hitachi Medical Corporation Rechnergestützter röntgen-tomograph mit kollimator zur begrenzung des bereichs eines fächerförmigen bestrahlungs bündels
DE10141346A1 (de) * 2001-08-23 2003-06-26 Siemens Ag Verfahren zur Aufnahme von Messdaten mit einem Computertormographen

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4132895A (en) * 1976-08-28 1979-01-02 Emi Limited Radiography
FI54856C (fi) * 1976-12-17 1979-04-10 Palomex Oy Anordning vid roentgenanledning
JPS5451496A (en) * 1977-09-30 1979-04-23 Shimadzu Corp Computer tomograph
DE2756659A1 (de) * 1977-12-19 1979-06-21 Philips Patentverwaltung Anordnung zur bestimmung der absorptionsverteilung
FR2431853A1 (fr) * 1978-07-27 1980-02-22 Radiologie Cie Gle Procede de centrage automatique d'un objet a examiner dans un tomodensitometre a faisceau en eventail et tomodensitometre adapte a ce procede
DE2920051C2 (de) * 1979-05-18 1984-04-19 Philips Patentverwaltung Gmbh, 2000 Hamburg Röntgengerät zur Ermittlung der Absorptionsverteilung in einem ebenen Untersuchungsbereich
DE2924423A1 (de) * 1979-06-16 1980-12-18 Philips Patentverwaltung Verfahren zur ermittlung der raeumlichen verteilung der absorption von strahlung in einem ebenen bereich
DE2928825A1 (de) * 1979-07-17 1981-02-12 Siemens Ag Schichtaufnahmegeraet zur herstellung von transversalschichtbildern
JPS5675144A (en) * 1979-11-27 1981-06-22 Tokyo Shibaura Electric Co Radiation iris device
NL8006304A (nl) * 1980-11-19 1982-06-16 Philips Nv Werkwijze en inrichting voor het bepalen van de verdeling van stralingsabsorptie in een vlak van een lichaam.
FR2705222B1 (fr) * 1993-05-18 1995-08-11 Ge Medical Syst Sa Dispositif de conformation de champ asservi à la position angulaire du faisceau d'un système d'imagerie à rayons X.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3484604A (en) * 1967-10-17 1969-12-16 Tokyo Shibaura Electric Co Axial transverse tomography wherein the angle of spread of radiation is controlled
DE1800879C3 (de) * 1968-10-03 1974-01-10 Siemens Ag, 1000 Berlin U. 8000 Muenchen Primärstrahlenblende für Röntgenuntersuchungsgeräte
FR2232294B1 (de) * 1973-06-05 1978-01-13 Emi Ltd
GB1478123A (en) * 1973-08-18 1977-06-29 Emi Ltd Tomography
JPS5514652B2 (de) * 1973-08-18 1980-04-17
CH568769A5 (de) * 1973-09-26 1975-11-14 Hauenstein Walter
US3965353A (en) * 1974-12-06 1976-06-22 Albert Macovski Cross-sectional X-ray emission imaging system
DE2604020C3 (de) * 1976-02-03 1980-12-04 Philips Patentverwaltung Gmbh, 2000 Hamburg Vorrichtung zur Ermittlung der Absorption einer Strahlung in einer Ebene eines Körpers mit einer einen keilförmigen Strahlungsbereich ausblendenden Abblendvorrichtung

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987005739A1 (en) * 1986-03-17 1987-09-24 Eastman Kodak Company Compensation filter for radiography
GB2298556A (en) * 1995-03-01 1996-09-04 St George's Healthcare Nhs Trust X-ray beam attenuator
EP1008325A1 (de) * 1997-03-12 2000-06-14 Hitachi Medical Corporation Rechnergestützter röntgen-tomograph mit kollimator zur begrenzung des bereichs eines fächerförmigen bestrahlungs bündels
EP1008325B1 (de) * 1997-03-12 2004-10-06 Hitachi Medical Corporation Rechnergestützter röntgen-tomograph mit kollimator zur begrenzung des bereichs eines fächerförmigen bestrahlungs bündels
DE10141346A1 (de) * 2001-08-23 2003-06-26 Siemens Ag Verfahren zur Aufnahme von Messdaten mit einem Computertormographen

Also Published As

Publication number Publication date
FR2344032A1 (fr) 1977-10-07
FR2344032B1 (de) 1982-05-14
IL51613A0 (en) 1977-05-31
DE2609925C2 (de) 1982-06-09
DE2609925A1 (de) 1977-09-15
SE7702484L (sv) 1977-09-11
CA1072688A (en) 1980-02-26
IL51613A (en) 1979-09-30
NL7702394A (nl) 1977-09-13
JPS52110582A (en) 1977-09-16

Similar Documents

Publication Publication Date Title
GB1579694A (en) Measuring radiation absorption
US4375695A (en) Device for determining the density distribution in an object
RU2145485C1 (ru) Ультрамалоугловая рентгеновская томография
US4956856A (en) Arrangement for examining a body comprising a radiation source
US4384209A (en) Method of and device for determining the contour of a body by means of radiation scattered by the body
US7646843B2 (en) Method for producing projective and tomographic phase contrast images with the aid of an X-ray system
US4225789A (en) Device for computer tomography
US4229651A (en) Radiation scanning method and apparatus
EP0246264B1 (de) Roentgenstrahlenapparat
US4442489A (en) Device for computed tomography
US4344183A (en) Measuring tool for computer assisted tomographic scanner
EP1120086A1 (de) Vorrichtung zur mammographie bei eingeschränktem winkel und varianten
JPS5923205B2 (ja) 透過性輻射線による対象体検査装置
EP0120886A1 (de) Messen der ultraschallgeschwindigkeit in geweben
US5056020A (en) Method and system for the correction of image defects of a scanner due to the movements of the latter
JP2004519309A (ja) パルス運動量移動スペクトルを決定するコンピュータ断層撮影装置
US3936638A (en) Radiology
US4114041A (en) Radiography
JPS61132846A (ja) 物体検査装置
US20160199019A1 (en) Method and apparatus for focal spot position tracking
US7190762B2 (en) Scanning line detector for two-dimensional x-ray diffractometer
JPH09285462A (ja) 計算機式断層写真法システム用の計算機
GB2088670A (en) Radiation absorption distribution measurement in a part section of a body
US5095431A (en) Method and system for calibrating an x-ray scanner by employing a single non-circular standard
US6986604B2 (en) Method for determining and locating measurement system errors in computed tomography caused by interfering objects

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee