GB1463054A - Radiology - Google Patents

Radiology

Info

Publication number
GB1463054A
GB1463054A GB5491872A GB5491872A GB1463054A GB 1463054 A GB1463054 A GB 1463054A GB 5491872 A GB5491872 A GB 5491872A GB 5491872 A GB5491872 A GB 5491872A GB 1463054 A GB1463054 A GB 1463054A
Authority
GB
United Kingdom
Prior art keywords
radiation
scattering
scattered
scintillators
detectors
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
GB5491872A
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.)
EMI Ltd
Original Assignee
EMI 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 EMI Ltd filed Critical EMI Ltd
Priority to GB5491872A priority Critical patent/GB1463054A/en
Publication of GB1463054A publication Critical patent/GB1463054A/en
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
    • A61B6/48—Diagnostic techniques
    • A61B6/483—Diagnostic techniques involving scattered radiation

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Pathology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Toxicology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Abstract

1463054 Radiology EMI Ltd 27 Feb 1974 [28 Nov 1972 6 July 1973] 54918/72 and 32422/73 Headings H5 H4D and H4F A method of investigating a body 2 by means of gamma or X-rays which are of an energy such that they are scattered rather than absorbed by the body (0À2 to 2À0 MeV, for example) comprises directing a beam 3 of the radiation from a plurality of different positions while analysing the scattering of the radiation by detectors such as annular scintillators 21 mounted between conical collimators which are "focused" on a point 9 from which scattered rays such as 8 are received. The source and detectors are moved in the X direction relative to the body 2 and can be moved relative to each other in the Y direction by means of telescoping members 11, 14 and 12, 15 so that the point of interest 9 can be scanned over the whole cross-section of the body, and by providing for movement perpendicular to the figure the entire body can be investigated. The scintillators 21 can be divided into segments or a lead disc with a radial slot can be rotated in front of them to investigate variations in scattering in different directions corresponding to various # values. Data representing the direction and energy of the scattered radiation is processed in a computer to determine the location of scattering centres in the body.
GB5491872A 1972-11-28 1972-11-28 Radiology Expired GB1463054A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5491872A GB1463054A (en) 1972-11-28 1972-11-28 Radiology

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5491872A GB1463054A (en) 1972-11-28 1972-11-28 Radiology
GB3242273 1973-07-06

Publications (1)

Publication Number Publication Date
GB1463054A true GB1463054A (en) 1977-02-02

Family

ID=26261368

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5491872A Expired GB1463054A (en) 1972-11-28 1972-11-28 Radiology

Country Status (1)

Country Link
GB (1) GB1463054A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2433926A1 (en) * 1978-07-17 1980-03-21 Philips Nv DEVICE FOR DEFINING THE INTERNAL STRUCTURE OF A BODY USING A DISPERSION RADIATION BEAM
FR2472372A1 (en) * 1979-06-30 1981-07-03 Philips Nv METHOD AND DEVICE FOR DEFINING THE CONTOUR OF A BODY USING DISPERSED RADIATION ON THIS BODY
FR2484824A1 (en) * 1980-06-21 1981-12-24 Philips Nv DEVICE FOR VISUALIZATION OF BODY LAYERS USING MONOENERGETIC RADIATION
DE3035524A1 (en) * 1980-09-19 1982-05-06 Philips Patentverwaltung Gmbh, 2000 Hamburg SCREEN RAY SCREENING ARRANGEMENT
EP0496454A1 (en) * 1991-01-19 1992-07-29 Philips Patentverwaltung GmbH X-Ray apparatus
GB2297835A (en) * 1995-02-08 1996-08-14 Secr Defence Three dimensional detection of contraband using x rays
US6839406B2 (en) * 1999-11-13 2005-01-04 Smiths Heimann Gmbh Apparatus and method for detecting items in objects

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2433926A1 (en) * 1978-07-17 1980-03-21 Philips Nv DEVICE FOR DEFINING THE INTERNAL STRUCTURE OF A BODY USING A DISPERSION RADIATION BEAM
FR2472372A1 (en) * 1979-06-30 1981-07-03 Philips Nv METHOD AND DEVICE FOR DEFINING THE CONTOUR OF A BODY USING DISPERSED RADIATION ON THIS BODY
FR2484824A1 (en) * 1980-06-21 1981-12-24 Philips Nv DEVICE FOR VISUALIZATION OF BODY LAYERS USING MONOENERGETIC RADIATION
DE3035524A1 (en) * 1980-09-19 1982-05-06 Philips Patentverwaltung Gmbh, 2000 Hamburg SCREEN RAY SCREENING ARRANGEMENT
EP0496454A1 (en) * 1991-01-19 1992-07-29 Philips Patentverwaltung GmbH X-Ray apparatus
US5265144A (en) * 1991-01-19 1993-11-23 U.S. Philips Corp. X-ray apparatus
GB2297835A (en) * 1995-02-08 1996-08-14 Secr Defence Three dimensional detection of contraband using x rays
US6839406B2 (en) * 1999-11-13 2005-01-04 Smiths Heimann Gmbh Apparatus and method for detecting items in objects

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee