DE2741240A1 - Rechnerunterstuetztes tomographiesystem - Google Patents

Rechnerunterstuetztes tomographiesystem

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
Germany
Prior art keywords
ray
pulses
devices
rotatable
source
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.)
Granted
Application number
DE19772741240
Other languages
German (de)
English (en)
Other versions
DE2741240C2 (enrdf_load_stackoverflow
Inventor
David Miller Barrett
Lewis Selig Edelheit
Leroy Earl Foley
Philip Melvin Garratt
Robert Godbarsen
Thomas Wayne Lambert
Rowland Wells Redington
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 DE2741240A1 publication Critical patent/DE2741240A1/de
Application granted granted Critical
Publication of DE2741240C2 publication Critical patent/DE2741240C2/de
Granted 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)
DE19772741240 1976-09-16 1977-09-14 Rechnerunterstuetztes tomographiesystem Granted DE2741240A1 (de)

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 (2)

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

Family

ID=27110872

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772741240 Granted DE2741240A1 (de) 1976-09-16 1977-09-14 Rechnerunterstuetztes tomographiesystem

Country Status (8)

Country Link
JP (1) JPS5336493A (enrdf_load_stackoverflow)
BR (1) BR7705839A (enrdf_load_stackoverflow)
DE (1) DE2741240A1 (enrdf_load_stackoverflow)
FR (1) FR2364643A1 (enrdf_load_stackoverflow)
GB (2) GB1592083A (enrdf_load_stackoverflow)
IT (1) IT1143688B (enrdf_load_stackoverflow)
MX (1) MX144155A (enrdf_load_stackoverflow)
NL (1) NL187046C (enrdf_load_stackoverflow)

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 (enrdf_load_stackoverflow) * 1974-03-26 1975-12-19
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

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 (de) * 1974-03-23 1975-10-09 Emi Ltd Verfahren und vorrichtung zur untersuchung eines koerpers mittels durchdringender strahlung
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
US4002917A (en) * 1974-08-28 1977-01-11 Emi Limited Sources of X-radiation
DE2442809A1 (de) * 1974-09-06 1976-03-18 Philips Patentverwaltung Anordnung zur ermittlung der absorption in einem koerper

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 (de) * 1974-03-23 1975-10-09 Emi Ltd Verfahren und vorrichtung zur untersuchung eines koerpers mittels durchdringender strahlung
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
IT1143688B (it) 1986-10-22
MX144155A (es) 1981-09-03
BR7705839A (pt) 1978-07-18
JPS5336493A (en) 1978-04-04
FR2364643B1 (enrdf_load_stackoverflow) 1984-12-21
FR2364643A1 (fr) 1978-04-14
NL187046B (nl) 1990-12-17
NL7710221A (nl) 1978-03-20
GB1592083A (en) 1981-07-01
NL187046C (nl) 1991-05-16
GB1592084A (en) 1981-07-01
DE2741240C2 (enrdf_load_stackoverflow) 1990-10-18

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Legal Events

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