IL72276A - Computerized tomographic system with improved resolution - Google Patents

Computerized tomographic system with improved resolution

Info

Publication number
IL72276A
IL72276A IL72276A IL7227684A IL72276A IL 72276 A IL72276 A IL 72276A IL 72276 A IL72276 A IL 72276A IL 7227684 A IL7227684 A IL 7227684A IL 72276 A IL72276 A IL 72276A
Authority
IL
Israel
Prior art keywords
improved resolution
tomographic system
computerized tomographic
computerized
resolution
Prior art date
Application number
IL72276A
Other languages
English (en)
Other versions
IL72276A0 (en
Inventor
Robert Shoval A
Freundlich David
Original Assignee
Elscint 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 Elscint Ltd filed Critical Elscint Ltd
Publication of IL72276A0 publication Critical patent/IL72276A0/xx
Publication of IL72276A publication Critical patent/IL72276A/xx

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/40—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4021—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
    • A61B6/4028—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with 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
    • H01J35/153—Spot position control
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computerised tomographs
    • A61B6/032—Transmission computed tomography [CT]
    • 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
    • H05G1/30—Controlling
    • H05G1/52—Target size or shape; Direction of electron beam, e.g. in tubes with one anode and more than one cathode
    • 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
IL72276A 1983-07-28 1984-07-02 Computerized tomographic system with improved resolution IL72276A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US51812183A 1983-07-28 1983-07-28

Publications (2)

Publication Number Publication Date
IL72276A0 IL72276A0 (en) 1984-11-30
IL72276A true IL72276A (en) 1988-01-31

Family

ID=24062643

Family Applications (1)

Application Number Title Priority Date Filing Date
IL72276A IL72276A (en) 1983-07-28 1984-07-02 Computerized tomographic system with improved resolution

Country Status (5)

Country Link
JP (1) JPS60106439A (nl)
DE (1) DE3426934C2 (nl)
FR (1) FR2549711B1 (nl)
IL (1) IL72276A (nl)
NL (1) NL193257C (nl)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0176314B1 (en) * 1984-09-21 1992-06-10 Picker International, Inc. Radiography system
US4682291A (en) * 1984-10-26 1987-07-21 Elscint Ltd. Noise artifacts reduction
JPH0223946A (ja) * 1988-07-14 1990-01-26 Toshiba Corp Ｘ線ｃｔ装置
JPH0798039B2 (ja) * 1988-07-20 1995-10-25 三菱電機株式会社 コンピュータ断層撮影装置
US5173852A (en) * 1990-06-20 1992-12-22 General Electric Company Computed tomography system with translatable focal spot
DE19807884C2 (de) * 1998-02-25 2003-07-24 Achim Schweikard Verfahren zur Kalibrierung einer Aufnahmevorrichtung zur Bestimmung von räumlichen Koordinaten anatomischer Zielobjekte und Vorrichtung zur Durchführung des Verfahrens
DE19851556C2 (de) * 1998-11-09 2000-11-23 Siemens Ag CT-Gerät
WO2005072612A1 (en) * 2004-01-29 2005-08-11 Koninklijke Philips Electronics, N.V. Computed tomography imaging with pixel staggering and focal spot modulation
US7333587B2 (en) * 2004-02-27 2008-02-19 General Electric Company Method and system for imaging using multiple offset X-ray emission points
JP2009531108A (ja) * 2006-03-29 2009-09-03 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 効率的な二重エネルギーｘ線減衰測定
DE102006046741A1 (de) * 2006-09-29 2008-04-10 Siemens Ag Röntgensystem und Verfahren zur Tomosyntheseabtastung
CN106659454B (zh) * 2014-07-18 2019-11-01 株式会社日立制作所 X射线ct装置以及x射线ct图像的拍摄方法
JP6246936B2 (ja) 2014-07-28 2017-12-13 株式会社日立製作所 Ｘ線撮像装置および画像再構成方法
DE102019125350A1 (de) * 2019-09-20 2021-03-25 DENNEC GmbH Computertomograph

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3250916A (en) * 1963-06-14 1966-05-10 Machlett Lab Inc Stereo x-ray device
US4206360A (en) * 1975-03-19 1980-06-03 E M I Limited Radiography
US4149079A (en) * 1976-07-14 1979-04-10 Elscint, Ltd. Method of and means for scanning a body to enable a cross-section thereof to be reconstructed
NL7607976A (nl) * 1976-07-19 1978-01-23 Optische Ind De Oude Delft Nv Inrichting voor tomografie met voorzieningen waardoor signaalprofielen afgeleid van een di- vergerende stralingsbundel kunnen worden gere- construeerd in signaalprofielen die elk corre- sponderen met een bundel van evenwijdig inval- lende stralen.
GB1595805A (en) * 1977-02-24 1981-08-19 Emi Ltd Radiography
DE2714759C3 (de) * 1977-04-01 1981-03-26 Siemens AG, 1000 Berlin und 8000 München Röntgendiagnostikgerät zur Herstellung von Transversalschichtbildern
GB1598685A (en) * 1977-04-28 1981-09-23 Emi Ltd Radiography
DE2723401A1 (de) * 1977-05-24 1978-12-07 Siemens Ag Schichtgeraet zur herstellung von transversalschichtbildern
GB2002988B (en) * 1977-08-18 1982-04-07 Emi Ltd Radiography
FR2425836A1 (fr) * 1978-05-16 1979-12-14 Radiologie Cie Gle Appareil tomographique a gaine unique porteuse de tubes a rayons x et de detecteurs
DE2823859A1 (de) * 1978-05-31 1979-12-13 Siemens Ag Roentgenschichtgeraet fuer transversalschichtbilder
DE2951222A1 (de) * 1979-12-19 1981-06-25 Siemens AG, 1000 Berlin und 8000 München Roentgenschichtgeraet zur herstellung von transversalschichtbildern

Also Published As

Publication number Publication date
DE3426934C2 (de) 1997-07-17
DE3426934A1 (de) 1985-05-23
NL193257B (nl) 1998-12-01
NL8402331A (nl) 1985-02-18
FR2549711B1 (fr) 1991-01-25
FR2549711A1 (fr) 1985-02-01
NL193257C (nl) 1999-04-02
IL72276A0 (en) 1984-11-30
JPS60106439A (ja) 1985-06-11

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