DE2609925C2 - Anordnung zur Ermittlung der Verteilung der Absorption eines Körpers - Google Patents

Anordnung zur Ermittlung der Verteilung der Absorption eines Körpers

Info

Publication number
DE2609925C2
DE2609925C2 DE2609925A DE2609925A DE2609925C2 DE 2609925 C2 DE2609925 C2 DE 2609925C2 DE 2609925 A DE2609925 A DE 2609925A DE 2609925 A DE2609925 A DE 2609925A DE 2609925 C2 DE2609925 C2 DE 2609925C2
Authority
DE
Germany
Prior art keywords
radiation
damping body
parts
radiator
area
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
DE2609925A
Other languages
German (de)
English (en)
Other versions
DE2609925A1 (de
Inventor
Wolfgang Dipl.-Phys. 2000 Norderstedt Wagner
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 Intellectual Property and Standards GmbH
Original Assignee
Philips Patentverwaltung GmbH
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
Priority to DE2609925A priority Critical patent/DE2609925C2/de
Application filed by Philips Patentverwaltung GmbH filed Critical Philips Patentverwaltung GmbH
Priority to CA273,314A priority patent/CA1072688A/en
Priority to SE7702484A priority patent/SE7702484L/xx
Priority to NL7702394A priority patent/NL7702394A/xx
Priority to GB9458/77A priority patent/GB1579694A/en
Priority to IL51613A priority patent/IL51613A/xx
Priority to JP2495777A priority patent/JPS52110582A/ja
Priority to FR7707102A priority patent/FR2344032A1/fr
Publication of DE2609925A1 publication Critical patent/DE2609925A1/de
Application granted granted Critical
Publication of DE2609925C2 publication Critical patent/DE2609925C2/de
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)
  • Optics & Photonics (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Public Health (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Measurement Of Radiation (AREA)
DE2609925A 1976-03-10 1976-03-10 Anordnung zur Ermittlung der Verteilung der Absorption eines Körpers Expired DE2609925C2 (de)

Priority Applications (8)

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
SE7702484A SE7702484L (sv) 1976-03-10 1977-03-07 Anordning for metning av fordelningen i rummet av absorberad stralning i en kropp
NL7702394A NL7702394A (nl) 1976-03-10 1977-03-07 Inrichting voor het meten van de ruimtelijke ver- deling van de absorptie in een lichaam.
GB9458/77A GB1579694A (en) 1976-03-10 1977-03-07 Measuring radiation absorption
CA273,314A CA1072688A (en) 1976-03-10 1977-03-07 Device for measuring the spatial distribution of absorption in a body
IL51613A IL51613A (en) 1976-03-10 1977-03-07 Device for measuring the spatial distribution of absorption of radiaton in a body
JP2495777A JPS52110582A (en) 1976-03-10 1977-03-09 Device for measuring space distribution of radiation absorption in body thin portion
FR7707102A FR2344032A1 (fr) 1976-03-10 1977-03-10 Dispositif pour mesurer le degre d'absorption dans un corps

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 (2)

Publication Number Publication Date
DE2609925A1 DE2609925A1 (de) 1977-09-15
DE2609925C2 true DE2609925C2 (de) 1982-06-09

Family

ID=5972020

Family Applications (1)

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

Country Status (8)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4371976A (en) 1979-05-18 1983-02-01 U.S. Philips Corporation X-Ray apparatus for determining the absorption distribution in a flat examination zone

Families Citing this family (14)

* 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
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.
FR2595860A1 (fr) * 1986-03-17 1987-09-18 Kodak Pathe Filtre de compensation pour la radiographie
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.
GB2298556A (en) * 1995-03-01 1996-09-04 St George's Healthcare Nhs Trust X-ray beam attenuator
EP1008325B1 (en) * 1997-03-12 2004-10-06 Hitachi Medical Corporation X-ray computerized tomograph having collimator which restricts the irradiation range of x-ray fan beam
DE10141346A1 (de) * 2001-08-23 2003-06-26 Siemens Ag Verfahren zur Aufnahme von Messdaten mit einem Computertormographen

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 (https=) * 1973-06-05 1978-01-13 Emi Ltd
GB1478123A (en) * 1973-08-18 1977-06-29 Emi Ltd Tomography
JPS5514652B2 (https=) * 1973-08-18 1980-04-17
CH568769A5 (https=) * 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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4371976A (en) 1979-05-18 1983-02-01 U.S. Philips Corporation X-Ray apparatus for determining the absorption distribution in a flat examination zone

Also Published As

Publication number Publication date
FR2344032A1 (fr) 1977-10-07
NL7702394A (nl) 1977-09-13
JPS52110582A (en) 1977-09-16
DE2609925A1 (de) 1977-09-15
GB1579694A (en) 1980-11-19
SE7702484L (sv) 1977-09-11
CA1072688A (en) 1980-02-26
IL51613A (en) 1979-09-30
IL51613A0 (en) 1977-05-31
FR2344032B1 (https=) 1982-05-14

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Legal Events

Date Code Title Description
OD Request for examination
D2 Grant after examination
8339 Ceased/non-payment of the annual fee