CA1035870A - Dispositif de limitation de rayonnement - Google Patents

Dispositif de limitation de rayonnement

Info

Publication number
CA1035870A
CA1035870A CA226,788A CA226788A CA1035870A CA 1035870 A CA1035870 A CA 1035870A CA 226788 A CA226788 A CA 226788A CA 1035870 A CA1035870 A CA 1035870A
Authority
CA
Canada
Prior art keywords
limiting means
radiation limiting
radiation
limiting
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
Application number
CA226,788A
Other languages
English (en)
Inventor
Leonard F. Peyser
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.)
Machlett Laboratories Inc
Original Assignee
Machlett Laboratories Inc
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 Machlett Laboratories Inc filed Critical Machlett Laboratories Inc
Application granted granted Critical
Publication of CA1035870A publication Critical patent/CA1035870A/fr
Expired 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
    • A61B6/06—Diaphragms
    • 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
    • G21K1/04—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • X-Ray Techniques (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
CA226,788A 1974-07-11 1975-05-13 Dispositif de limitation de rayonnement Expired CA1035870A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/487,501 US3947690A (en) 1974-07-11 1974-07-11 Radiation limiting means

Publications (1)

Publication Number Publication Date
CA1035870A true CA1035870A (fr) 1978-08-01

Family

ID=23935980

Family Applications (1)

Application Number Title Priority Date Filing Date
CA226,788A Expired CA1035870A (fr) 1974-07-11 1975-05-13 Dispositif de limitation de rayonnement

Country Status (6)

Country Link
US (1) US3947690A (fr)
JP (1) JPS6046400B2 (fr)
CA (1) CA1035870A (fr)
CH (1) CH589916A5 (fr)
DE (1) DE2530663B2 (fr)
GB (1) GB1465447A (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4380820A (en) * 1980-06-19 1983-04-19 The Machlett Laboratories, Incorporated Compact X-ray collimator
US4389730A (en) * 1981-05-14 1983-06-21 Litton Industrial Products, Inc. Compact collimator
DE3437576A1 (de) * 1984-10-13 1986-04-17 Philips Patentverwaltung Gmbh, 2000 Hamburg Blendenanordnung fuer ein mammographie-roentgengeraet
NL8800738A (nl) * 1988-03-24 1989-10-16 Philips Nv Roentgenonderzoekapparaat met een instelbaar spleetvormig diafragma.
NL8801589A (nl) * 1988-06-22 1990-01-16 Optische Ind De Oude Delft Nv Inrichting voor spleetradiografie voorzien van absorptie-elementen, alsmede werkwijze voor het vervaardigen van absorptie-elementen.
DE4229320C2 (de) * 1992-09-02 1995-02-02 Siemens Ag Einblendvorrichtung für Strahlengeräte mit wenigstens einer Blendenlamelle
CN1146360C (zh) * 1994-11-21 2004-04-21 皇家菲利浦电子有限公司 具有射束光阑的x射线检查装置
US6320936B1 (en) 1999-11-26 2001-11-20 Parker Medical, Inc. X-ray tube assembly with beam limiting device for reducing off-focus radiation
CN1603946A (zh) * 2003-09-29 2005-04-06 Ge医疗系统环球技术有限公司 X射线光阑、x射线辐照器及x射线装置
CN100466982C (zh) * 2003-11-20 2009-03-11 Ge医疗系统环球技术有限公司 准直器,x射线辐射器及x射线设备
FR2862805B1 (fr) * 2004-11-19 2007-01-26 Ge Med Sys Global Tech Co Llc Collimateur, irradiateur a rayons x et appareil a rayons x
CN1786819B (zh) * 2004-12-09 2011-08-10 Ge医疗系统环球技术有限公司 X射线光阑、x射线辐照器和x射线成像设备
US20110150161A1 (en) * 2009-12-18 2011-06-23 Grigory Kaganitsky Method of stabilization and controlling of the nuclear ammunitions physical and mechanical parameters by means of usage "absorbing shutter" changing own aggregate state during of the initiation process
EP2955510B1 (fr) 2011-11-25 2018-02-21 Aribex, Inc. Indicateur de distance à rayons x et procédés associés
KR20160141587A (ko) * 2015-06-01 2016-12-09 삼성전자주식회사 엑스선 촬영 장치 및 엑스선 촬영 장치의 작동 방법
US9892810B2 (en) * 2016-03-01 2018-02-13 Claymount Assemblies B.V. Collimator shutter drive mechanism
US10247834B1 (en) * 2018-08-15 2019-04-02 General Electric Company Anodes for improved detection of non-collected adjacent signal
US11862357B2 (en) 2020-10-21 2024-01-02 Illinois Tool Works Inc. Adjustable collimators and x-ray imaging systems including adjustable collimators

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1909118A (en) * 1928-05-29 1933-05-16 Raab Leonhard Diaphragm apparatus for x-ray tubes
US1738945A (en) * 1928-11-01 1929-12-10 Brenkert Karl Framing shutter
US3023314A (en) * 1959-02-13 1962-02-27 Picker X Ray Corp X-ray apparatus
US3091696A (en) * 1960-05-17 1963-05-28 Howdon Videx Products Corp Collimator
US3163762A (en) * 1962-06-08 1964-12-29 Howdon Videx Products Corp X-ray cone
US3304427A (en) * 1964-02-13 1967-02-14 Machlett Lab Inc X-ray beam defining apparatus having adjustable collimator plates disposed in three parallel planes
GB1083402A (en) * 1965-01-06 1967-09-13 Alex Shewchenko Improvements in or relating to collimators for radiotherapy equipment
US3448270A (en) * 1966-11-23 1969-06-03 Machlett Lab Inc X-ray collimating device wherein a plurality of adjustable overlapping leaves define a collimating cone
DE1800879C3 (de) * 1968-10-03 1974-01-10 Siemens Ag, 1000 Berlin U. 8000 Muenchen Primärstrahlenblende für Röntgenuntersuchungsgeräte
US3609370A (en) * 1969-12-23 1971-09-28 Machlett Lab Inc Radiation collimator for use in x-ray systems
US3829701A (en) * 1973-01-29 1974-08-13 Picker Corp Radiation collimator

Also Published As

Publication number Publication date
US3947690A (en) 1976-03-30
GB1465447A (en) 1977-02-23
DE2530663A1 (de) 1976-01-29
CH589916A5 (fr) 1977-07-29
JPS6046400B2 (ja) 1985-10-15
JPS5111588A (fr) 1976-01-29
DE2530663B2 (de) 1979-09-13

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