DE24325T1 - Roentgentomographiesystem mit elektronischer abtastung. - Google Patents

Roentgentomographiesystem mit elektronischer abtastung.

Info

Publication number
DE24325T1
DE24325T1 DE198080104586T DE80104586T DE24325T1 DE 24325 T1 DE24325 T1 DE 24325T1 DE 198080104586 T DE198080104586 T DE 198080104586T DE 80104586 T DE80104586 T DE 80104586T DE 24325 T1 DE24325 T1 DE 24325T1
Authority
DE
Germany
Prior art keywords
ray
anode ring
electron beam
ray source
source according
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.)
Pending
Application number
DE198080104586T
Other languages
German (de)
English (en)
Inventor
John Mapes Schenectady New York Houston
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of DE24325T1 publication Critical patent/DE24325T1/de
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03Computed tomography [CT]
    • A61B6/032Transmission computed tomography [CT]
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00X-ray tubes
    • H01J35/02Details
    • H01J35/14Arrangements for concentrating, focusing, or directing the cathode ray
    • H01J35/153Spot position control
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4021Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
    • A61B6/4028Arrangements 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00X-ray tubes
    • H01J35/02Details
    • H01J35/04Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • H01J35/08Anodes; Anti cathodes
    • H01J35/112Non-rotating anodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00X-ray tubes
    • H01J35/24Tubes wherein the point of impact of the cathode ray on the anode or anticathode is movable relative to the surface thereof
    • H01J35/30Tubes wherein the point of impact of the cathode ray on the anode or anticathode is movable relative to the surface thereof by deflection of the cathode ray
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2235/00X-ray tubes
    • H01J2235/08Targets (anodes) and X-ray converters
    • H01J2235/086Target geometry

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • X-Ray Techniques (AREA)
DE198080104586T 1979-08-16 1980-08-02 Roentgentomographiesystem mit elektronischer abtastung. Pending DE24325T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6693279A 1979-08-16 1979-08-16

Publications (1)

Publication Number Publication Date
DE24325T1 true DE24325T1 (de) 1983-03-03

Family

ID=22072659

Family Applications (2)

Application Number Title Priority Date Filing Date
DE198080104586T Pending DE24325T1 (de) 1979-08-16 1980-08-02 Roentgentomographiesystem mit elektronischer abtastung.
DE8080104586T Expired DE3064933D1 (en) 1979-08-16 1980-08-02 Electronically scanned x-ray tomography system

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE8080104586T Expired DE3064933D1 (en) 1979-08-16 1980-08-02 Electronically scanned x-ray tomography system

Country Status (3)

Country Link
EP (1) EP0024325B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5641659A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE24325T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4521901A (en) * 1983-03-01 1985-06-04 Imatron Associates Scanning electron beam computed tomography scanner with ion aided focusing
EP0127983A3 (en) * 1983-06-01 1986-09-17 Imatron Inc. Scanning electron beam computed tomography scanner
JPS6092741A (ja) * 1983-10-26 1985-05-24 株式会社東芝 高速x線ct装置
DE4139150C1 (en) * 1991-11-28 1993-06-24 Siemens Ag, 8000 Muenchen, De Computer tomograph with part ring formed X=ray source and detector - has double ring system without complementary interpolation
FR2795864B1 (fr) * 1999-06-29 2001-10-26 Thomson Tubes Electroniques Generateur de rayons x a balayage pour systeme d'imagerie susceptible de fonctionner a grande vitesse
DE10301891B3 (de) * 2003-01-17 2004-10-21 Siemens Ag Verfahren zum Betrieb eines Röntgen-Tomographie-Geräts und Röntgen-Tomographie-Gerät
US6954515B2 (en) * 2003-04-25 2005-10-11 Varian Medical Systems, Inc., Radiation sources and radiation scanning systems with improved uniformity of radiation intensity
WO2005119701A2 (en) * 2004-05-28 2005-12-15 General Electric Company System for forming x-rays and method for using same
US7203269B2 (en) 2004-05-28 2007-04-10 General Electric Company System for forming x-rays and method for using same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1529799A (en) * 1974-11-13 1978-10-25 Emi Ltd Radiography
US4130759A (en) * 1977-03-17 1978-12-19 Haimson Research Corporation Method and apparatus incorporating no moving parts, for producing and selectively directing x-rays to different points on an object
US4122346A (en) * 1977-03-23 1978-10-24 High Voltage Engineering Corporation Optical devices for computed transaxial tomography
DE2812644A1 (de) * 1977-03-23 1978-10-12 High Voltage Engineering Corp Verfahren und einrichtung fuer die transaxiale rechnerunterstuetzte roentgentomographie
NL7706038A (nl) * 1977-06-02 1978-12-05 Philips Nv Aftastende roentgenonderzoekinrichting.

Also Published As

Publication number Publication date
DE3064933D1 (en) 1983-10-27
EP0024325A1 (en) 1981-03-04
JPS631698B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-01-13
JPS5641659A (en) 1981-04-18
EP0024325B1 (en) 1983-09-21

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