DE3672862D1 - Astigmatischer kollimator. - Google Patents

Astigmatischer kollimator.

Info

Publication number
DE3672862D1
DE3672862D1 DE8686103604T DE3672862T DE3672862D1 DE 3672862 D1 DE3672862 D1 DE 3672862D1 DE 8686103604 T DE8686103604 T DE 8686103604T DE 3672862 T DE3672862 T DE 3672862T DE 3672862 D1 DE3672862 D1 DE 3672862D1
Authority
DE
Germany
Prior art keywords
astigmatic
collimator
astigmatic collimator
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.)
Expired - Fee Related
Application number
DE8686103604T
Other languages
English (en)
Inventor
Eric G Hawman
Jiang Hsieh
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Application granted granted Critical
Publication of DE3672862D1 publication Critical patent/DE3672862D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING 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
    • G21K1/025—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using multiple collimators, e.g. Bucky screens; other devices for eliminating undesired or dispersed radiation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
    • G01T1/2914—Measurement of spatial distribution of radiation
    • G01T1/2985—In depth localisation, e.g. using positron emitters; Tomographic imaging (longitudinal and transverse section imaging; apparatus for radiation diagnosis sequentially in different planes, steroscopic radiation diagnosis)
    • 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]
    • A61B6/037—Emission tomography

Landscapes

  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Nuclear Medicine (AREA)
  • Measurement Of Radiation (AREA)
DE8686103604T 1985-03-29 1986-03-17 Astigmatischer kollimator. Expired - Fee Related DE3672862D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/717,635 US4670657A (en) 1985-03-29 1985-03-29 Astigmatic collimator

Publications (1)

Publication Number Publication Date
DE3672862D1 true DE3672862D1 (de) 1990-08-30

Family

ID=24882836

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686103604T Expired - Fee Related DE3672862D1 (de) 1985-03-29 1986-03-17 Astigmatischer kollimator.

Country Status (4)

Country Link
US (1) US4670657A (de)
EP (1) EP0196538B1 (de)
JP (1) JP2543034B2 (de)
DE (1) DE3672862D1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4823017A (en) * 1986-12-19 1989-04-18 Siemens Gammasonics, Inc. Scintillation camera and multifocal fan-beam collimator used therein
US4820924A (en) * 1986-12-19 1989-04-11 Siemens Gammasonics, Inc. Scintillation camera and three dimensional multifocal collimator used therewith
US5001347A (en) * 1989-09-27 1991-03-19 Siemens Gammasonics, Inc. Focussing collimators for use in rotational camera transaxial SPECT in which the camera head is inclined with respect to the axis of rotation
US5338936A (en) * 1991-06-10 1994-08-16 Thomas E. Kocovsky, Jr. Simultaneous transmission and emission converging tomography
US5210421A (en) * 1991-06-10 1993-05-11 Picker International, Inc. Simultaneous transmission and emission converging tomography
US5462056A (en) * 1991-09-25 1995-10-31 Siemens Medical Systems, Inc. High-sensitivity spect imaging of small body organs using a multi-headscintillation camera with non-uniform collimation
US5289008A (en) * 1992-06-10 1994-02-22 Duke University Method and apparatus for enhanced single photon computed tomography
US5449913A (en) * 1993-11-03 1995-09-12 Chang; Wei Apparatus for producing attenuation scan
US5430297A (en) * 1993-11-16 1995-07-04 Siemens Medical Systems, Inc. Fan-beam collimator with offset focus and scintillation camera system which uses it
US5717213A (en) * 1995-06-23 1998-02-10 Siemens Medical Systems, Inc. Collimator and scintillation camera system for use in carrying out attenuation-corrected spect studies of small body organs such as the heart and brain
US7062006B1 (en) * 2005-01-19 2006-06-13 The Board Of Trustees Of The Leland Stanford Junior University Computed tomography with increased field of view
US7847257B2 (en) * 2008-04-04 2010-12-07 Siemens Medical Solutions Usa, Inc. Tomographic sampling for SPECT with cone-beam or multifocal collimation
JP5254076B2 (ja) * 2009-02-24 2013-08-07 株式会社東芝 ポジトロンｃｔ装置
JP6132477B2 (ja) * 2012-05-08 2017-05-24 東芝メディカルシステムズ株式会社 医用画像診断装置
US10102650B2 (en) 2016-08-31 2018-10-16 Siemens Medical Solutions Usa, Inc. Model-based scatter correction for non-parallel-hole collimators

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3432660A (en) * 1968-04-10 1969-03-11 Atomic Energy Commission Gamma-ray camera for imaging radioisotope distribution in a transverse section of a rotating subject
US3688113A (en) * 1970-06-22 1972-08-29 Univ Case Western Reserve Tomographic radiation sensitive device
JPS5141073A (en) * 1974-10-02 1976-04-06 Fujimori Kogyo Co Goseijushipaipu no seiho
US4081687A (en) * 1975-08-27 1978-03-28 Precise Corporation Collimator for gamma ray cameras
JPS5319868A (en) * 1976-08-07 1978-02-23 Hitachi Ltd Oscillator of electromagnetic flowmeter
US4181839A (en) * 1977-08-26 1980-01-01 Cardiac Medical Sciences Corp. Multi-view collimator
JPS5333259U (de) * 1977-09-08 1978-03-23
US4250392A (en) * 1979-02-27 1981-02-10 Engineering Dynamics Corporation Bi-focal collimator
JPS5834068U (ja) * 1981-08-31 1983-03-05 株式会社島津製作所 多視野スラントホ−ルコリメ−タ
US4584478A (en) * 1983-02-28 1986-04-22 Digital Scintigraphics, Inc. Radionuclide annular single crystal scintillator camera with rotating collimator
JPS60141583U (ja) * 1984-02-29 1985-09-19 株式会社島津製作所 ガンマカメラ
JPS6132999U (ja) * 1984-07-31 1986-02-27 株式会社島津製作所 シンチレ−シヨンカメラのコリメ−タ
JPS6157879U (de) * 1984-09-22 1986-04-18

Also Published As

Publication number Publication date
JP2543034B2 (ja) 1996-10-16
EP0196538B1 (de) 1990-07-25
EP0196538A1 (de) 1986-10-08
US4670657A (en) 1987-06-02
JPS61259187A (ja) 1986-11-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee