WO2003024332A3 - Verfahren zur restauration defekter kanäle in vielkanal-strahlendetektor - Google Patents

Verfahren zur restauration defekter kanäle in vielkanal-strahlendetektor Download PDF

Info

Publication number
WO2003024332A3
WO2003024332A3 PCT/DE2002/003056 DE0203056W WO03024332A3 WO 2003024332 A3 WO2003024332 A3 WO 2003024332A3 DE 0203056 W DE0203056 W DE 0203056W WO 03024332 A3 WO03024332 A3 WO 03024332A3
Authority
WO
WIPO (PCT)
Prior art keywords
channels
channel beam
beam detectors
restoring
channel
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.)
Ceased
Application number
PCT/DE2002/003056
Other languages
English (en)
French (fr)
Other versions
WO2003024332A2 (de
Inventor
Der Haar Thomas Von
Willi Kalender
Theobald Fuchs
Tillmann Riess
Quirin Spreiter
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Priority to US10/488,398 priority Critical patent/US7109490B2/en
Priority to JP2003528232A priority patent/JP4309266B2/ja
Priority to AU2002325184A priority patent/AU2002325184A1/en
Publication of WO2003024332A2 publication Critical patent/WO2003024332A2/de
Publication of WO2003024332A3 publication Critical patent/WO2003024332A3/de
Anticipated expiration legal-status Critical
Ceased 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
    • A61B6/58—Testing, adjusting or calibrating thereof
    • A61B6/586—Detection of faults or malfunction of the device
    • 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
    • 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
    • A61B6/4021—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot

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)

Abstract

Verfahren zur Restauration eines Signals eines defekten Kanals eines eine Vielzahl von Kanälen aufweisenden Strahlendetektors, mittels dessen Projektionen aus unterschiedlichen Projektionsrichtungen aufgenommen werden und dessen Kanäle jeweils ein Detektorelement mit nachgeschalteter Kanalelektronik aufweisen. Dabei wird das Signal des defekten Kanals unter Verwendung von Nachbarsignalen einer M-Nachbarschaft derselben Projektion und aus Nachbarsignalen einer M-Nachbarschaft weiterer Projektionen restauriert.
PCT/DE2002/003056 2001-09-03 2002-08-21 Verfahren zur restauration defekter kanäle in vielkanal-strahlendetektor Ceased WO2003024332A2 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US10/488,398 US7109490B2 (en) 2001-09-03 2002-08-21 Method and medical device designed for implementing this method
JP2003528232A JP4309266B2 (ja) 2001-09-03 2002-08-21 Ｘ線検出器における故障チャネルの信号復元方法および医療装置
AU2002325184A AU2002325184A1 (en) 2001-09-03 2002-08-21 Method for restoring defective channels in multi-channel beam detectors

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10143045.0 2001-09-03
DE10143045A DE10143045B4 (de) 2001-09-03 2001-09-03 Verfahren und zur Durchführung dieses Verfahrens ausgebildete medizinische Einrichtung

Publications (2)

Publication Number Publication Date
WO2003024332A2 WO2003024332A2 (de) 2003-03-27
WO2003024332A3 true WO2003024332A3 (de) 2003-07-10

Family

ID=7697497

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2002/003056 Ceased WO2003024332A2 (de) 2001-09-03 2002-08-21 Verfahren zur restauration defekter kanäle in vielkanal-strahlendetektor

Country Status (6)

Country Link
US (1) US7109490B2 (de)
JP (1) JP4309266B2 (de)
CN (1) CN1311788C (de)
AU (1) AU2002325184A1 (de)
DE (1) DE10143045B4 (de)
WO (1) WO2003024332A2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4299749B2 (ja) * 2004-09-01 2009-07-22 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Ｃｔ画像の再構成方法及びｃｔ装置並びにプログラム
US7602951B2 (en) * 2005-03-14 2009-10-13 General Electric Company Method and system for providing defective cell correction in a medical imaging device
JP4909847B2 (ja) * 2006-09-29 2012-04-04 株式会社日立製作所 核医学診断装置
US8581200B2 (en) * 2006-11-17 2013-11-12 Koninklijke Philips N.V. Radiation detector with multiple electrodes on a sensitive layer
US20100004518A1 (en) 2008-07-03 2010-01-07 Masimo Laboratories, Inc. Heat sink for noninvasive medical sensor
US8203704B2 (en) 2008-08-04 2012-06-19 Cercacor Laboratories, Inc. Multi-stream sensor for noninvasive measurement of blood constituents
WO2015097451A1 (en) 2013-12-23 2015-07-02 Johnson Matthey Public Limited Company Scanning method
US10117632B2 (en) * 2016-02-03 2018-11-06 Globus Medical, Inc. Portable medical imaging system with beam scanning collimator

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4178510A (en) * 1976-06-22 1979-12-11 U.S. Philips Corporation Device for measuring the spatial distribution of radiation absorption in a slice of a body
EP0109205A2 (de) * 1982-11-15 1984-05-23 Picker International, Inc. Verfahren und Gerät zur Darstellung von Computer-Tomogrammen
EP0404118A2 (de) * 1989-06-21 1990-12-27 Kabushiki Kaisha Toshiba Abtastvorrichtung für Röntgentomographie

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3071846D1 (en) * 1979-08-24 1987-01-15 Siemens Ag Apparatus for the bidimensional representation of a plane of an object by computed tomography
US4280178A (en) 1979-08-24 1981-07-21 General Electric Company Computerized tomographic reconstruction method utilizing reflection
CN1003542B (zh) * 1985-03-04 1989-03-08 海曼股份公司 X-射线扫描仪
DE19921763C2 (de) * 1999-05-11 2001-05-10 Siemens Ag Verfahren zum Rekonstruieren eines Signales eines Defektdetektorelementes eines Strahlendetektors, der mehrere Detektorelemente aufweist und nach diesem Verfahren arbeitende medizinische Einrichtung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4178510A (en) * 1976-06-22 1979-12-11 U.S. Philips Corporation Device for measuring the spatial distribution of radiation absorption in a slice of a body
EP0109205A2 (de) * 1982-11-15 1984-05-23 Picker International, Inc. Verfahren und Gerät zur Darstellung von Computer-Tomogrammen
EP0404118A2 (de) * 1989-06-21 1990-12-27 Kabushiki Kaisha Toshiba Abtastvorrichtung für Röntgentomographie

Also Published As

Publication number Publication date
JP4309266B2 (ja) 2009-08-05
JP2005501685A (ja) 2005-01-20
CN1311788C (zh) 2007-04-25
AU2002325184A1 (en) 2003-04-01
US7109490B2 (en) 2006-09-19
WO2003024332A2 (de) 2003-03-27
US20040222380A1 (en) 2004-11-11
DE10143045B4 (de) 2006-11-02
DE10143045A1 (de) 2003-04-03
CN1551744A (zh) 2004-12-01

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