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DE2741240A1 - Computer-assisted tomography system - Google Patents

Computer-assisted tomography system

Info

Publication number
DE2741240A1
DE2741240A1 DE19772741240 DE2741240A DE2741240A1 DE 2741240 A1 DE2741240 A1 DE 2741240A1 DE 19772741240 DE19772741240 DE 19772741240 DE 2741240 A DE2741240 A DE 2741240A DE 2741240 A1 DE2741240 A1 DE 2741240A1
Authority
DE
Grant status
Application
Patent type
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.)
Granted
Application number
DE19772741240
Other languages
German (de)
Other versions
DE2741240C2 (en )
Inventor
Robert Godbarsen
David Miller Barrett
Philip Melvin Garratt
Leroy Earl Foley
Rowland Wells Redington
Thomas Wayne Lambert
Lewis Selig Edelheit
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

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/50Clinical applications
    • A61B6/502Clinical applications involving diagnosis of breast, i.e. mammography
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/04Positioning of patients; Tiltable beds or the like
    • A61B6/0407Tables or beds
    • A61B6/0435Tables or beds with means for imaging suspended breasts
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/002D [Two Dimensional] image generation
    • G06T11/003Reconstruction from projections, e.g. tomography
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00Image analysis
    • G06T7/0002Inspection of images, e.g. flaw detection
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05GX-RAY TECHNIQUE
    • H05G1/00X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08Electrical details
    • H05G1/26Measuring, controlling, protecting
    • H05G1/30Controlling
    • H05G1/38Exposure time
    • H05G1/40Exposure time using adjustable time-switch
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00Image generation
    • G06T2211/40Computed tomography
    • G06T2211/436Limited angle
DE19772741240 1976-09-16 1977-09-14 Expired - Lifetime DE2741240C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US72394176 true 1976-09-16 1976-09-16
US05723799 US4107531A (en) 1976-09-16 1976-09-16 X-ray body scanner using encoder for generating system controlling timing pulse train

Publications (2)

Publication Number Publication Date
DE2741240A1 true true DE2741240A1 (en) 1978-03-23
DE2741240C2 DE2741240C2 (en) 1990-10-18

Family

ID=27110872

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772741240 Expired - Lifetime DE2741240C2 (en) 1976-09-16 1977-09-14

Country Status (5)

Country Link
JP (1) JPS5336493A (en)
DE (1) DE2741240C2 (en)
FR (1) FR2364643B1 (en)
GB (2) GB1592083A (en)
NL (1) NL187046C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5145390A (en) * 1990-06-19 1992-09-08 Siemens Aktiengesellschaft Apparatus having a mechanism for the acceptance of an electrical conductor

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50157286A (en) * 1974-03-26 1975-12-19
DE19933537B4 (en) * 1998-08-18 2005-03-17 Siemens Ag X-ray computed tomography apparatus with means for modulating the x-ray power of X-ray source
JP5288737B2 (en) * 2007-07-20 2013-09-11 キヤノン株式会社 X-ray imaging apparatus
US20130289542A1 (en) * 2012-04-30 2013-10-31 Elekta Ab (Publ) Arrangement for supporting one or more cables, wires or hoses

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778614A (en) * 1968-08-23 1973-12-11 Emi Ltd Method and apparatus for measuring x- or {65 -radiation absorption or transmission at plural angles and analyzing the data
US3809886A (en) * 1971-11-26 1974-05-07 Cfc Products Dynamic tomography with movable table
US3867634A (en) * 1968-08-23 1975-02-18 Emi Ltd Body portion support for use with penetrating radiation examination apparatus
US3881110A (en) * 1972-05-17 1975-04-29 Emi Ltd Penetrating radiation examining apparatus in combination with body locating structure
DE2513137A1 (en) * 1974-03-23 1975-10-09 Emi Ltd Method and apparatus for examination of a body by means of penetrating radiation
US3973126A (en) * 1975-07-31 1976-08-03 General Electric Company Mammography

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
GB1475308A (en) * 1973-07-21 1977-06-01 Emi Ltd Radiography
GB1493148A (en) * 1974-01-31 1977-11-23 Emi Ltd Radiography
JPS5154793A (en) * 1974-08-28 1976-05-14 Emi Varian Ltd Hoshasensochi
DE2442809A1 (en) * 1974-09-06 1976-03-18 Philips Patentverwaltung Arrangement for determining the absorption in a body

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778614A (en) * 1968-08-23 1973-12-11 Emi Ltd Method and apparatus for measuring x- or {65 -radiation absorption or transmission at plural angles and analyzing the data
US3867634A (en) * 1968-08-23 1975-02-18 Emi Ltd Body portion support for use with penetrating radiation examination apparatus
US3809886A (en) * 1971-11-26 1974-05-07 Cfc Products Dynamic tomography with movable table
US3881110A (en) * 1972-05-17 1975-04-29 Emi Ltd Penetrating radiation examining apparatus in combination with body locating structure
DE2513137A1 (en) * 1974-03-23 1975-10-09 Emi Ltd Method and apparatus for examination of a body by means of penetrating radiation
US3973126A (en) * 1975-07-31 1976-08-03 General Electric Company Mammography

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
R. Gordon G.T. Herman, S.A. Johnson: "Image Reconstruction from Projections" in US-ZE: Scientific American, Bd. 233, Nr. 4, Okt. 1975, S. 56 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5145390A (en) * 1990-06-19 1992-09-08 Siemens Aktiengesellschaft Apparatus having a mechanism for the acceptance of an electrical conductor

Also Published As

Publication number Publication date Type
GB1592083A (en) 1981-07-01 application
FR2364643A1 (en) 1978-04-14 application
JPS5336493A (en) 1978-04-04 application
GB1592084A (en) 1981-07-01 application
NL187046B (en) 1990-12-17 application
NL187046C (en) 1991-05-16 grant
DE2741240C2 (en) 1990-10-18 grant
FR2364643B1 (en) 1984-12-21 grant
NL7710221A (en) 1978-03-20 application

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8120 Willingness to grant licenses paragraph 23
D2 Grant after examination
8363 Opposition against the patent
8330 Complete disclaimer