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GB1029860A - X-ray beam defining diaphragm system - Google Patents

X-ray beam defining diaphragm system

Info

Publication number
GB1029860A
GB1029860A GB4554665A GB4554665A GB1029860A GB 1029860 A GB1029860 A GB 1029860A GB 4554665 A GB4554665 A GB 4554665A GB 4554665 A GB4554665 A GB 4554665A GB 1029860 A GB1029860 A GB 1029860A
Authority
GB
United Kingdom
Prior art keywords
beam defining
ray beam
diaphragm system
nov
defining diaphragm
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
GB4554665A
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.)
Varian Medical Systems Inc
Original Assignee
Varian Associates 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 Varian Associates Inc filed Critical Varian Associates Inc
Publication of GB1029860A publication Critical patent/GB1029860A/en
Expired 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
    • G21K1/04—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Radiation-Therapy Devices (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Particle Accelerators (AREA)

Abstract

1,029,860. X-ray apparatus. VARIAN ASSOCIATES. Nov. 22, 1963 [Nov. 23, 1962], No. 45546/65. Divided out of 1,029,859. Heading H5R. The description is identical to that of the parent Specification. The claims relate to the beam defining system using pairs of jaws relatively movable along arcuate tracks by opposed racks connected to respective opposite jaws and engaging a common pinion between the racks.
GB4554665A 1962-11-23 1963-11-22 X-ray beam defining diaphragm system Expired GB1029860A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23956762A 1962-11-23 1962-11-23

Publications (1)

Publication Number Publication Date
GB1029860A true GB1029860A (en) 1966-05-18

Family

ID=22902721

Family Applications (2)

Application Number Title Priority Date Filing Date
GB4554665A Expired GB1029860A (en) 1962-11-23 1963-11-22 X-ray beam defining diaphragm system
GB4631163A Expired GB1029859A (en) 1962-11-23 1963-11-22 X-ray beam defining diaphragm system

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB4631163A Expired GB1029859A (en) 1962-11-23 1963-11-22 X-ray beam defining diaphragm system

Country Status (3)

Country Link
JP (1) JPS516518B1 (en)
GB (2) GB1029860A (en)
SE (2) SE320761B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60188290U (en) * 1984-05-25 1985-12-13 日新製鋼株式会社 thin wall pipe fittings
GB2211710A (en) * 1987-10-28 1989-07-05 Philips Nv Multileaf collimator
US7054413B2 (en) * 2001-03-15 2006-05-30 Siemens Medical Solutions Usa, Inc. Rotatable multi-element beam shaping device
WO2008141667A1 (en) * 2007-05-24 2008-11-27 Elekta Ab (Publ) Collimation apparatus for radiotherapy

Also Published As

Publication number Publication date
SE320761B (en) 1970-02-16
GB1029859A (en) 1966-05-18
SE312397B (en) 1969-07-14
JPS516518B1 (en) 1976-02-28

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