NO841579L - Fremgangsmaate og anordning for styring og fokusering av et tomografiapparat - Google Patents

Fremgangsmaate og anordning for styring og fokusering av et tomografiapparat

Info

Publication number
NO841579L
NO841579L NO841579A NO841579A NO841579L NO 841579 L NO841579 L NO 841579L NO 841579 A NO841579 A NO 841579A NO 841579 A NO841579 A NO 841579A NO 841579 L NO841579 L NO 841579L
Authority
NO
Norway
Prior art keywords
focusing
electron
anode
hole
focusing plane
Prior art date
Application number
NO841579A
Other languages
English (en)
Norwegian (no)
Inventor
Pertti Puumalainen
Original Assignee
Puumalaisen Tutkimuslaitos Oy
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 Puumalaisen Tutkimuslaitos Oy filed Critical Puumalaisen Tutkimuslaitos Oy
Publication of NO841579L publication Critical patent/NO841579L/no

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
    • A61B6/4028—Arrangements 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/14—Arrangements for concentrating, focusing, or directing the cathode ray
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/24—Tubes wherein the point of impact of the cathode ray on the anode or anticathode is movable relative to the surface thereof
    • 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
    • H05G1/70—Circuit arrangements for X-ray tubes with more than one anode; Circuit arrangements for apparatus comprising more than one X ray tube or more than one cathode

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (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)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • High Energy & Nuclear Physics (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)
  • Eye Examination Apparatus (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
NO841579A 1982-08-19 1984-04-18 Fremgangsmaate og anordning for styring og fokusering av et tomografiapparat NO841579L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI822880A FI822880L (fi) 1982-08-19 1982-08-19 Foerfarande och anordning foer styrning och fokusering av en tomografiapparat

Publications (1)

Publication Number Publication Date
NO841579L true NO841579L (no) 1984-04-18

Family

ID=8515926

Family Applications (1)

Application Number Title Priority Date Filing Date
NO841579A NO841579L (no) 1982-08-19 1984-04-18 Fremgangsmaate og anordning for styring og fokusering av et tomografiapparat

Country Status (9)

Country Link
US (1) US4669102A (fr)
EP (1) EP0116622B1 (fr)
JP (1) JPS59501429A (fr)
AU (1) AU567437B2 (fr)
DE (2) DE8390478U1 (fr)
DK (1) DK203084D0 (fr)
FI (1) FI822880L (fr)
NO (1) NO841579L (fr)
WO (1) WO1984000848A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4606061A (en) * 1983-12-28 1986-08-12 Tokyo Shibaura Denki Kabushiki Kaisha Light controlled x-ray scanner
US4755994A (en) * 1985-09-06 1988-07-05 Republic Telcom Systems Corporation Capacity expander for telephone line
DE4015105C3 (de) * 1990-05-11 1997-06-19 Bruker Analytische Messtechnik Röntgen-Computer-Tomographie-System
DE4015180A1 (de) * 1990-05-11 1991-11-28 Bruker Analytische Messtechnik Roentgen-computer-tomographie-system mit geteiltem detektorring
US5197088A (en) * 1991-05-03 1993-03-23 Bruker Analytic Electron beam x-ray computer tomography scanner
US5386445A (en) * 1993-12-14 1995-01-31 Imatron, Inc. Method and apparatus for electron beam focusing adjustment by electrostatic control of the distribution of beam-generated positive ions in a scanning electron beam computed tomography scanner
WO2007135614A1 (fr) * 2006-05-22 2007-11-29 Philips Intellectual Property & Standards Gmbh Tube radiogène à faisceau d'électrons manipulé de manière synchrone au mouvement rotatif de l'anode
DE102012005767A1 (de) * 2012-03-25 2013-09-26 DüRR DENTAL AG Phasenkontrast-Röntgen-Tomographiegerät
CN103908277B (zh) * 2012-12-31 2017-03-08 清华大学 Ct设备及其方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4045672A (en) * 1975-09-11 1977-08-30 Nihon Denshi Kabushiki Kaisha Apparatus for tomography comprising a pin hole for forming a microbeam of x-rays
NL7611391A (nl) * 1975-10-18 1977-04-20 Emi Ltd Roentgentoestel.
GB1568782A (en) * 1976-02-28 1980-06-04 Jeol Ltd Apparatus for obtaining an x-ray image of a slice plane of an object
JPS53124996A (en) * 1977-03-17 1978-10-31 Haimuson Jieekobu Method of and device for generating and directing high intensity xxray
US4300051A (en) * 1978-06-29 1981-11-10 Spire Corporation Traveling cathode X-ray source
JPS5546408A (en) * 1978-09-29 1980-04-01 Toshiba Corp X-ray device
GB2042790B (en) * 1979-02-20 1982-12-15 Emi Ltd Conical scanning x-ray tubes
JPS5622037A (en) * 1979-07-31 1981-03-02 Shimadzu Corp X-ray tube device
US4287425A (en) * 1979-12-31 1981-09-01 Pfizer, Incorporated Construction of a CT scanner using heavy ions or protons

Also Published As

Publication number Publication date
FI822880L (fi) 1984-02-20
DE3390160T1 (de) 1984-11-29
JPS59501429A (ja) 1984-08-09
US4669102A (en) 1987-05-26
DK203084A (da) 1984-04-18
DK203084D0 (da) 1984-04-18
EP0116622A1 (fr) 1984-08-29
WO1984000848A1 (fr) 1984-03-01
AU567437B2 (en) 1987-11-19
EP0116622B1 (fr) 1988-06-08
DE8390478U1 (de) 1985-01-31
AU1944083A (en) 1984-03-07
FI822880A0 (fi) 1982-08-19

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