NL8002716A - Roentgenapparaat voor het bepalen van de absorptie- verdeling in een vlak onderzoekgebied. - Google Patents

Roentgenapparaat voor het bepalen van de absorptie- verdeling in een vlak onderzoekgebied. Download PDF

Info

Publication number
NL8002716A
NL8002716A NL8002716A NL8002716A NL8002716A NL 8002716 A NL8002716 A NL 8002716A NL 8002716 A NL8002716 A NL 8002716A NL 8002716 A NL8002716 A NL 8002716A NL 8002716 A NL8002716 A NL 8002716A
Authority
NL
Netherlands
Prior art keywords
radiation
area
ray
rotation
axis
Prior art date
Application number
NL8002716A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips Nv
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 Nv filed Critical Philips Nv
Publication of NL8002716A publication Critical patent/NL8002716A/nl

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
    • A61B6/4021—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
    • 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
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—HANDLING OF PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
    • 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
    • A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4291—Arrangements for detecting radiation specially adapted for radiation diagnosis the detector being combined with a grid or grating

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
NL8002716A 1979-05-18 1980-05-12 Roentgenapparaat voor het bepalen van de absorptie- verdeling in een vlak onderzoekgebied. NL8002716A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2920051A DE2920051C2 (de) 1979-05-18 1979-05-18 Röntgengerät zur Ermittlung der Absorptionsverteilung in einem ebenen Untersuchungsbereich
DE2920051 1979-05-18

Publications (1)

Publication Number Publication Date
NL8002716A true NL8002716A (nl) 1980-11-20

Family

ID=6071029

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8002716A NL8002716A (nl) 1979-05-18 1980-05-12 Roentgenapparaat voor het bepalen van de absorptie- verdeling in een vlak onderzoekgebied.

Country Status (7)

Country Link
US (1) US4371976A (ref)
JP (1) JPS55155635A (ref)
DE (1) DE2920051C2 (ref)
ES (1) ES491580A0 (ref)
FR (1) FR2456503A1 (ref)
GB (1) GB2050749B (ref)
NL (1) NL8002716A (ref)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3534702A1 (de) * 1985-09-28 1987-04-09 Philips Patentverwaltung Verfahren zur bestimmung der fotoschwaechung in einem bereich eines untersuchungskoerpers und anordnung zur durchfuehrung des verfahrens
DE3737159A1 (de) * 1987-11-02 1989-05-11 Steffel Gmbh Spezialmaschbau Vorrichtung zur allseitigen roentgenpruefung eines drehbar abgestuetzten kraftfahrzeugreifens waehrend einer reifenumdrehung
US4998268A (en) * 1989-02-09 1991-03-05 James Winter Apparatus and method for therapeutically irradiating a chosen area using a diagnostic computer tomography scanner
DE4207006C2 (de) * 1992-03-05 1994-07-14 Siemens Ag Computertomograph
US6385278B1 (en) * 2000-04-28 2002-05-07 Ge Medical Systems Global Technology Company, Llc Method and apparatus for region of interest multislice CT scan
DE10302565A1 (de) * 2003-01-22 2004-08-12 Siemens Ag Bildgebendes Tomographiegerät mit wenigstens zwei Strahler-Detektor-Kombinationen
US7076029B2 (en) * 2003-10-27 2006-07-11 General Electric Company Method and apparatus of radiographic imaging with an energy beam tailored for a subject to be scanned

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1478123A (en) * 1973-08-18 1977-06-29 Emi Ltd Tomography
GB1547964A (en) * 1975-07-11 1979-07-04 Emi Ltd Electron beam deflection arrangements
GB1569413A (en) * 1976-02-05 1980-06-18 Emi Ltd Radography
DE2609925C2 (de) 1976-03-10 1982-06-09 Philips Patentverwaltung Gmbh, 2000 Hamburg Anordnung zur Ermittlung der Verteilung der Absorption eines Körpers
FR2348485A1 (fr) * 1976-04-15 1977-11-10 Labo Electronique Physique Perfectionnements aux procedes et appareils d'examen par absorption de rayonnement
US4181858A (en) * 1977-12-30 1980-01-01 Emi Limited Adjustable compensating device for radiographic apparatus
DE2821083A1 (de) * 1978-05-13 1979-11-22 Philips Patentverwaltung Anordnung zur ermittlung der raeumlichen absorptionsverteilung in einem ebenen untersuchungsbereich

Also Published As

Publication number Publication date
GB2050749B (en) 1983-04-20
ES8101875A1 (es) 1980-12-16
DE2920051C2 (de) 1984-04-19
GB2050749A (en) 1981-01-07
FR2456503B1 (ref) 1983-12-16
ES491580A0 (es) 1980-12-16
DE2920051A1 (de) 1980-11-27
FR2456503A1 (fr) 1980-12-12
JPS55155635A (en) 1980-12-04
US4371976A (en) 1983-02-01

Similar Documents

Publication Publication Date Title
JP3902578B2 (ja) 改良されたｘ線ｃｔ装置の使用方法
US7324623B2 (en) Computed tomography scanner with large gantry bore
US7170975B2 (en) Method for operating a computed tomography apparatus having a diaphragm at the radiation detector
US20130223588A1 (en) Radiation imaging apparatus, radiation detecting apparatus and radiation focal-point movement detecting method
US9775572B2 (en) Radiation beam intensity profile shaper
JPH07124150A (ja) 散乱ｘ線補正法及びｘ線ｃｔ装置並びに多チャンネルｘ線検出器
WO1987002821A1 (en) Apparatus and method for radiation attenuation
JPH027421B2 (ref)
NL1003081C2 (nl) Convergerende collimatoren gecombineerd met bewegende energievensters en virtueel kleine puntbronnen voor het maken van betere transmissieopnamen van objecten die gammastraling uitzenden.
CN100359609C (zh) 遮蔽装置和具有放射器端的遮蔽装置的计算机断层造影设备
US8229060B2 (en) Medical X-ray examination apparatus and method for k-edge imaging
US4081681A (en) Treatment of absorption errors in computerized tomography
NL8002716A (nl) Roentgenapparaat voor het bepalen van de absorptie- verdeling in een vlak onderzoekgebied.
US4417353A (en) Fan beam CT scanner with compensating detector motion
JP2021506527A (ja) デュアルエネルギーイメージングデータを生成する装置
US12263023B2 (en) 3D X-ray device and method for producing a 3D X-ray image
NL8001707A (nl) Inrichting voor het bepalen van lokale absorptie- verschillen in een objekt.
US4097747A (en) Device for measuring absorption of radiation in a slice of a body
JP6307268B2 (ja) Ｃｔシステムで使用するためのコリメータ
US4091285A (en) Traverse and rotate CT scanner having rotational step through a multiple of the fan angle
US4150294A (en) Radiography
NL8600067A (nl) Roentgenscanner met dual energy beeldvorming.
US4097744A (en) Radiographic apparatus having repetitive movement of the origin of the radiation
GB1603593A (en) Device for computed tomography
US4411011A (en) Radiography

Legal Events

Date Code Title Description
BV The patent application has lapsed