NL1027363A1 - Werkwijze en inrichting voor Z-asvolgwerking en collimatie. - Google Patents

Werkwijze en inrichting voor Z-asvolgwerking en collimatie.

Info

Publication number
NL1027363A1
NL1027363A1 NL1027363A NL1027363A NL1027363A1 NL 1027363 A1 NL1027363 A1 NL 1027363A1 NL 1027363 A NL1027363 A NL 1027363A NL 1027363 A NL1027363 A NL 1027363A NL 1027363 A1 NL1027363 A1 NL 1027363A1
Authority
NL
Netherlands
Prior art keywords
collimation
axis tracking
tracking
axis
Prior art date
Application number
NL1027363A
Other languages
English (en)
Other versions
NL1027363C2 (nl
Inventor
Bruce Matthew Dunham
John Scott Price
Original Assignee
Ge Med Sys Global Tech Co Llc
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 Ge Med Sys Global Tech Co Llc filed Critical Ge Med Sys Global Tech Co Llc
Publication of NL1027363A1 publication Critical patent/NL1027363A1/nl
Application granted granted Critical
Publication of NL1027363C2 publication Critical patent/NL1027363C2/nl

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
    • A61B6/58—Testing, adjusting or calibrating thereof
    • A61B6/582—Calibration
    • A61B6/583—Calibration using calibration phantoms
    • 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
    • A61B6/06—Diaphragms
    • 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
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4021—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/14—Arrangements for concentrating, focusing, or directing the cathode ray
    • H01J35/153—Spot position control
    • 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
    • H05G1/52—Target size or shape; Direction of electron beam, e.g. in tubes with one anode and more than one cathode
    • 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
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Toxicology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • X-Ray Techniques (AREA)
NL1027363A 2003-10-29 2004-10-28 Werkwijze en inrichting voor Z-asvolgwerking en collimatie. NL1027363C2 (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US69634303 2003-10-29
US10/696,343 US6980623B2 (en) 2003-10-29 2003-10-29 Method and apparatus for z-axis tracking and collimation

Publications (2)

Publication Number Publication Date
NL1027363A1 true NL1027363A1 (nl) 2005-05-02
NL1027363C2 NL1027363C2 (nl) 2006-01-31

Family

ID=34550104

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1027363A NL1027363C2 (nl) 2003-10-29 2004-10-28 Werkwijze en inrichting voor Z-asvolgwerking en collimatie.

Country Status (4)

Country Link
US (1) US6980623B2 (nl)
JP (1) JP4549808B2 (nl)
CN (1) CN100580547C (nl)
NL (1) NL1027363C2 (nl)

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US10636608B2 (en) * 2017-06-05 2020-04-28 General Electric Company Flat emitters with stress compensation features
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Also Published As

Publication number Publication date
JP2005144163A (ja) 2005-06-09
CN100580547C (zh) 2010-01-13
JP4549808B2 (ja) 2010-09-22
US6980623B2 (en) 2005-12-27
CN1612039A (zh) 2005-05-04
US20050094762A1 (en) 2005-05-05
NL1027363C2 (nl) 2006-01-31

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Legal Events

Date Code Title Description
AD1A A request for search or an international type search has been filed
RD2N Patents in respect of which a decision has been taken or a report has been made (novelty report)

Effective date: 20050927

PD2B A search report has been drawn up
MM Lapsed because of non-payment of the annual fee

Effective date: 20171101