DE102004027092A1 - Bildgebendes CT-System mit einer Röntgenstrahlquelle mit mehreren Scheitelwerten - Google Patents

Bildgebendes CT-System mit einer Röntgenstrahlquelle mit mehreren Scheitelwerten Download PDF

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Publication number
DE102004027092A1
DE102004027092A1 DE102004027092A DE102004027092A DE102004027092A1 DE 102004027092 A1 DE102004027092 A1 DE 102004027092A1 DE 102004027092 A DE102004027092 A DE 102004027092A DE 102004027092 A DE102004027092 A DE 102004027092A DE 102004027092 A1 DE102004027092 A1 DE 102004027092A1
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DE
Germany
Prior art keywords
ray
energy
electrons
filter
cathode emission
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.)
Withdrawn
Application number
DE102004027092A
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German (de)
English (en)
Inventor
David M. New Berlin Hoffmann
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.)
GE Medical Systems Global Technology Co LLC
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GE Medical Systems Global Technology 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 Medical Systems Global Technology Co LLC filed Critical GE Medical Systems Global Technology Co LLC
Publication of DE102004027092A1 publication Critical patent/DE102004027092A1/de
Withdrawn legal-status Critical Current

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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
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]
    • 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
    • A61B6/4007—Arrangements for generating radiation specially adapted for radiation diagnosis characterised by using a plurality of source units
    • 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
    • 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
    • A61B6/4035—Arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
    • 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
    • A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
    • A61B6/4241—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using energy resolving detectors, e.g. photon counting
    • 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
    • A61B6/482—Diagnostic techniques involving multiple energy imaging
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • H01J35/06—Cathodes
    • H01J35/064—Details of the emitter, e.g. material or structure
    • 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
    • A61B6/027—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2235/00—X-ray tubes
    • H01J2235/06—Cathode assembly
    • H01J2235/068—Multi-cathode assembly

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Measurement Of Radiation (AREA)
DE102004027092A 2003-06-05 2004-06-02 Bildgebendes CT-System mit einer Röntgenstrahlquelle mit mehreren Scheitelwerten Withdrawn DE102004027092A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/250,132 2003-06-05
US10/250,132 US7120222B2 (en) 2003-06-05 2003-06-05 CT imaging system with multiple peak x-ray source

Publications (1)

Publication Number Publication Date
DE102004027092A1 true DE102004027092A1 (de) 2004-12-23

Family

ID=33489129

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102004027092A Withdrawn DE102004027092A1 (de) 2003-06-05 2004-06-02 Bildgebendes CT-System mit einer Röntgenstrahlquelle mit mehreren Scheitelwerten

Country Status (3)

Country Link
US (2) US7120222B2 (https=)
JP (1) JP4831556B2 (https=)
DE (1) DE102004027092A1 (https=)

Cited By (2)

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Publication number Priority date Publication date Assignee Title
DE102007041107A1 (de) 2007-08-30 2009-03-05 Siemens Ag Röntgengerät
DE102008049049A1 (de) * 2008-09-26 2010-04-08 Siemens Aktiengesellschaft Röntgen-CT-System zur tomographischen Darstellung eines Untersuchungsobjektes

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DE102007041107A1 (de) 2007-08-30 2009-03-05 Siemens Ag Röntgengerät
DE102007041107B4 (de) * 2007-08-30 2009-10-29 Siemens Ag Röntgengerät
DE102008049049A1 (de) * 2008-09-26 2010-04-08 Siemens Aktiengesellschaft Röntgen-CT-System zur tomographischen Darstellung eines Untersuchungsobjektes

Also Published As

Publication number Publication date
US7120222B2 (en) 2006-10-10
JP4831556B2 (ja) 2011-12-07
US20060285645A1 (en) 2006-12-21
US7778382B2 (en) 2010-08-17
JP2004363109A (ja) 2004-12-24
US20040247082A1 (en) 2004-12-09

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