JPS63151104U - - Google Patents

Info

Publication number
JPS63151104U
JPS63151104U JP1988035146U JP3514688U JPS63151104U JP S63151104 U JPS63151104 U JP S63151104U JP 1988035146 U JP1988035146 U JP 1988035146U JP 3514688 U JP3514688 U JP 3514688U JP S63151104 U JPS63151104 U JP S63151104U
Authority
JP
Japan
Prior art keywords
ray
unit
signal corresponding
processing unit
effective
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.)
Granted
Application number
JP1988035146U
Other languages
English (en)
Other versions
JPH0541689Y2 (ja
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 filed Critical
Publication of JPS63151104U publication Critical patent/JPS63151104U/ja
Application granted granted Critical
Publication of JPH0541689Y2 publication Critical patent/JPH0541689Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A61B6/4021—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
    • 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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Toxicology (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)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Description

【図面の簡単な説明】
第１図は本考案によるコンピユータトモグラフ
を示し、第２図は第１図によるコンピユータトモ
グラフの本考案にとつて主要な部分を第１図の矢
印の方向から見た図を示す。 １……Ｘ線源、２……Ｘ線束、３……Ｘ線検出
器、４……患者、５……患者ベツド、６……Ｘ線
発生器、７……コンピユータ、８……デイスプレ
イ、９……測定フイールド、１０……回転軸、１
１……焦点、１４……回転輪、１５……回転装置
、１６……コンピユータ、１７……入力端、１８
……導線。

Claims (1)

  1. 【実用新案登録請求の範囲】 Ｘ線源１およびＸ線検出器３からなる測定ユニ
    ツト１，３を備え、 Ｘ線源１が扇形の実効Ｘ線束２を送出し、該Ｘ
    線束が一連の単位検出器からなるＸ線検出器３に
    到来し、単位検出器のそれぞれが受け入れたＸ線
    の強さに相当する電気信号を形成するようにし、
    種々の方向から測定フイールド９を照射するため
    に測定フイールド９の回りで実効Ｘ線束２を回転
    させる手段１４，１５と、種々の照射方向にて得
    られる単位検出器の出力信号を導かれ、それから
    撮影対象４の照射された断層における所定点の弱
    まり値を求める測定値処理ユニツト７と、その求
    められた弱まり値を像に再生するための像再生装
    置８とを備えるコンピユータトモグラフにおいて
    、 コンピユータトモグラフの運転値に相当する信
    号の導入のために入力端をＸ線発生用電源６に接
    続されたコンピユータ１６が設けられ、該コンピ
    ユータは導線１８を介して前記測定値処理ユニツ
    ト７に接続され、運転値から計算された実効Ｘ線
    束２の焦点ずれに相当する修正信号を該測定値処
    理ユニツトに供給することを特徴とするコンピユ
    ータトモグラフ。
JP1988035146U 1987-03-20 1988-03-16 Expired - Lifetime JPH0541689Y2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE8704182U DE8704182U1 (de) 1987-03-20 1987-03-20 Computertomograph

Publications (2)

Publication Number Publication Date
JPS63151104U true JPS63151104U (ja) 1988-10-04
JPH0541689Y2 JPH0541689Y2 (ja) 1993-10-21

Family

ID=6806097

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988035146U Expired - Lifetime JPH0541689Y2 (ja) 1987-03-20 1988-03-16

Country Status (4)

Country Link
US (1) US4837792A (ja)
EP (1) EP0282870B1 (ja)
JP (1) JPH0541689Y2 (ja)
DE (2) DE8704182U1 (ja)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3817724C2 (de) * 1988-05-25 1996-04-04 Siemens Ag Computertomograph
DE3882372D1 (en) * 1988-11-22 1993-08-19 Siemens Ag Computer-tomograph.
DE50015405D1 (de) * 1999-11-30 2008-11-27 Philips Intellectual Property Gitter zur Absorption von Röntgenstrahlen
US6322248B1 (en) * 2000-01-03 2001-11-27 Ge Yokogawa Medical Systems, Limited X-ray impinging position alignment method and x-ray tomographic imaging method and apparatus
AU2002363962A1 (en) * 2001-12-04 2003-06-17 X-Ray Optical Systems, Inc. X-ray source assembly having enhanced output stability, and fluid stream analysis applications thereof
US7382856B2 (en) * 2001-12-04 2008-06-03 X-Ray Optical Systems, Inc. X-ray source assembly having enhanced output stability, and fluid stream analysis applications thereof
EP1661439A2 (en) * 2003-08-04 2006-05-31 X-Ray Optical Systems, Inc. X-ray source assembly having enhanced output stability using tube power adjustments and remote calibration
JP4818695B2 (ja) * 2005-11-18 2011-11-16 パナソニック株式会社 放射線画像撮像条件の補正装置
WO2008132635A2 (en) * 2007-04-25 2008-11-06 Koninklijke Philips Electronics, N.V. X-ray beam z-axis positioning
DE102008064431B4 (de) * 2008-12-22 2016-03-24 Siemens Aktiengesellschaft Verfahren zur Erzeugung eines Röntgenbildes und Röntgengerät
WO2018223407A1 (en) * 2017-06-10 2018-12-13 Shanghai United Imaging Healthcare Co., Ltd. Method and system for adjusting focal point position

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55159596A (en) * 1979-05-31 1980-12-11 Shimadzu Corp X-ray tube electric current setting device
JPS5721100A (en) * 1980-07-14 1982-02-03 Toshiba Corp X-ray generator
US4559639A (en) * 1982-11-22 1985-12-17 General Electric Company X-Ray detector with compensation for height-dependent sensitivity and method of using same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4220860A (en) * 1978-07-24 1980-09-02 Ohio Nuclear, Inc. Tomographic scanner with cadmium tungstate scintillation crystals
NL7906634A (nl) * 1979-09-05 1981-03-09 Philips Nv Inrichting voor het bepalen van lokale absorptie- verschillen in een objekt.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55159596A (en) * 1979-05-31 1980-12-11 Shimadzu Corp X-ray tube electric current setting device
JPS5721100A (en) * 1980-07-14 1982-02-03 Toshiba Corp X-ray generator
US4559639A (en) * 1982-11-22 1985-12-17 General Electric Company X-Ray detector with compensation for height-dependent sensitivity and method of using same

Also Published As

Publication number Publication date
EP0282870A1 (de) 1988-09-21
EP0282870B1 (de) 1992-03-11
DE3868956D1 (de) 1992-04-16
JPH0541689Y2 (ja) 1993-10-21
US4837792A (en) 1989-06-06
DE8704182U1 (de) 1987-07-09

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