GB1592084A - Computerized tomographic system - Google Patents

Computerized tomographic system Download PDF

Info

Publication number
GB1592084A
GB1592084A GB7107/80A GB710780A GB1592084A GB 1592084 A GB1592084 A GB 1592084A GB 7107/80 A GB7107/80 A GB 7107/80A GB 710780 A GB710780 A GB 710780A GB 1592084 A GB1592084 A GB 1592084A
Authority
GB
United Kingdom
Prior art keywords
ray
gate
water
source
radiation
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
GB7107/80A
Other languages
English (en)
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.)
General Electric Co
Original Assignee
General Electric Co
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
Priority claimed from US05/723,799 external-priority patent/US4107531A/en
Application filed by General Electric Co filed Critical General Electric Co
Publication of GB1592084A publication Critical patent/GB1592084A/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
    • A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
    • A61B6/502—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for diagnosis of breast, i.e. mammography
    • 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
    • A61B6/04—Positioning of patients; Tiltable beds or the like
    • A61B6/0407—Supports, e.g. tables or beds, for the body or parts of the body
    • A61B6/0435—Supports, e.g. tables or beds, for the body or parts of the body with means for imaging suspended breasts
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • 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
    • H05G1/38—Exposure time
    • H05G1/40—Exposure time using adjustable time-switch
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/436—Limited angle

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Quality & Reliability (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Toxicology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
GB7107/80A 1976-09-16 1977-08-25 Computerized tomographic system Expired GB1592084A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US72394176A 1976-09-16 1976-09-16
US05/723,799 US4107531A (en) 1976-09-16 1976-09-16 X-ray body scanner using encoder for generating system controlling timing pulse train

Publications (1)

Publication Number Publication Date
GB1592084A true GB1592084A (en) 1981-07-01

Family

ID=27110872

Family Applications (2)

Application Number Title Priority Date Filing Date
GB7107/80A Expired GB1592084A (en) 1976-09-16 1977-08-25 Computerized tomographic system
GB35689/77A Expired GB1592083A (en) 1976-09-16 1977-08-25 Computerized tomographic system

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB35689/77A Expired GB1592083A (en) 1976-09-16 1977-08-25 Computerized tomographic system

Country Status (8)

Country Link
JP (1) JPS5336493A (enExample)
BR (1) BR7705839A (enExample)
DE (1) DE2741240A1 (enExample)
FR (1) FR2364643A1 (enExample)
GB (2) GB1592084A (enExample)
IT (1) IT1143688B (enExample)
MX (1) MX144155A (enExample)
NL (1) NL187046C (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50157286A (enExample) * 1974-03-26 1975-12-19
DE4019513A1 (de) * 1990-06-19 1992-01-09 Siemens Ag Geraet mit einer vorrichtung zur aufnahme eines elektrischen leiters
DE19933537B4 (de) * 1998-08-18 2005-03-17 Siemens Ag Röntgen-Computertomographie-Gerät mit Mitteln zur Modulation der Röntgenleistung einer Röntgenstrahlenquelle
JP5288737B2 (ja) * 2007-07-20 2013-09-11 キヤノン株式会社 Ｘ線画像撮影装置
US20130289542A1 (en) * 2012-04-30 2013-10-31 Elekta Ab (Publ) Arrangement for supporting one or more cables, wires or hoses

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1430088A (en) * 1972-05-17 1976-03-31 Emi Ltd Radiography
US3924131A (en) * 1968-08-23 1975-12-02 Emi Ltd Method of and apparatus for examining a body by radiation such as X or gamma radiation
GB1283915A (en) * 1968-08-23 1972-08-02 Emi Ltd A method of and apparatus for examination of a body by radiation such as x or gamma radiation
US3867634A (en) * 1968-08-23 1975-02-18 Emi Ltd Body portion support for use with penetrating radiation examination apparatus
BE791850A (fr) * 1971-11-26 1973-05-24 Cfc Products Procede et dispositif de tomographie
GB1475308A (en) * 1973-07-21 1977-06-01 Emi Ltd Radiography
GB1493148A (en) * 1974-01-31 1977-11-23 Emi Ltd Radiography
JPS5444597B2 (enExample) * 1974-03-23 1979-12-26
JPS5154793A (enExample) * 1974-08-28 1976-05-14 Emi Varian Ltd
DE2442809A1 (de) * 1974-09-06 1976-03-18 Philips Patentverwaltung Anordnung zur ermittlung der absorption in einem koerper
US3973126A (en) * 1975-07-31 1976-08-03 General Electric Company Mammography

Also Published As

Publication number Publication date
NL187046C (nl) 1991-05-16
FR2364643B1 (enExample) 1984-12-21
NL187046B (nl) 1990-12-17
FR2364643A1 (fr) 1978-04-14
NL7710221A (nl) 1978-03-20
DE2741240A1 (de) 1978-03-23
GB1592083A (en) 1981-07-01
BR7705839A (pt) 1978-07-18
MX144155A (es) 1981-09-03
IT1143688B (it) 1986-10-22
JPS5336493A (en) 1978-04-04
DE2741240C2 (enExample) 1990-10-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee
728C Application made for restoration (sect. 28/1977)
728A Order made restoring the patent (sect. 28/1977)
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee