DE69119537T2 - Verfahren und Gerät zur Abbildung bei schraubenförmiger Abtastung für Röntgenstrahlrechner-Tomographie - Google Patents

Verfahren und Gerät zur Abbildung bei schraubenförmiger Abtastung für Röntgenstrahlrechner-Tomographie

Info

Publication number
DE69119537T2
DE69119537T2 DE69119537T DE69119537T DE69119537T2 DE 69119537 T2 DE69119537 T2 DE 69119537T2 DE 69119537 T DE69119537 T DE 69119537T DE 69119537 T DE69119537 T DE 69119537T DE 69119537 T2 DE69119537 T2 DE 69119537T2
Authority
DE
Germany
Prior art keywords
imaging
computer tomography
helical scanning
ray computer
ray
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.)
Expired - Lifetime
Application number
DE69119537T
Other languages
English (en)
Other versions
DE69119537D1 (de
Inventor
Yusuke Toki
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE69119537D1 publication Critical patent/DE69119537D1/de
Publication of DE69119537T2 publication Critical patent/DE69119537T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computerised tomographs
    • A61B6/032—Transmission computed tomography [CT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/027—Devices 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 for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/04—Positioning of patients; Tiltable beds or the like
    • A61B6/0487—Motor-assisted positioning
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/432—Truncation
DE69119537T 1990-11-01 1991-10-28 Verfahren und Gerät zur Abbildung bei schraubenförmiger Abtastung für Röntgenstrahlrechner-Tomographie Expired - Lifetime DE69119537T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2293595A JP2607749B2 (ja) 1990-11-01 1990-11-01 Ｘ線ｃｔ装置

Publications (2)

Publication Number Publication Date
DE69119537D1 DE69119537D1 (de) 1996-06-20
DE69119537T2 true DE69119537T2 (de) 1997-01-16

Family

ID=17796755

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69119537T Expired - Lifetime DE69119537T2 (de) 1990-11-01 1991-10-28 Verfahren und Gerät zur Abbildung bei schraubenförmiger Abtastung für Röntgenstrahlrechner-Tomographie
DE69133051T Expired - Lifetime DE69133051T2 (de) 1990-11-01 1991-10-28 Helical Scanning Röntgen-Computertomographiegerät

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69133051T Expired - Lifetime DE69133051T2 (de) 1990-11-01 1991-10-28 Helical Scanning Röntgen-Computertomographiegerät

Country Status (4)

Country Link
US (3) US5224135A (de)
EP (2) EP0691104B1 (de)
JP (1) JP2607749B2 (de)
DE (2) DE69119537T2 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2607749B2 (ja) * 1990-11-01 1997-05-07 株式会社東芝 Ｘ線ｃｔ装置
JP3047928B2 (ja) * 1991-03-18 2000-06-05 株式会社日立メディコ Ｘ線ｃｔ装置
DE4137031C1 (en) * 1991-11-11 1993-04-08 Siemens Ag, 8000 Muenchen, De Computer tomograph equipment providing three=dimensional scanning - relatively rotates measuring unit, consisting of X=ray radiator and radiation detector, and patient couch
JPH06205770A (ja) * 1993-01-11 1994-07-26 Hitachi Medical Corp Ｘ線ｃｔ装置
DE4321080C1 (de) * 1993-06-24 1994-12-08 Siemens Ag Computertomograph mit Spiralabtastung
US5448607A (en) * 1994-02-08 1995-09-05 Analogic Corporation X-ray tomography system with gantry pivot and translation control
US5409151A (en) * 1994-07-01 1995-04-25 Freimark; Justin Bottle assembly for carrying liquids
JP3583503B2 (ja) * 1995-04-13 2004-11-04 株式会社日立メディコ 医療用診断ｃｔ装置
US5805288A (en) * 1996-03-05 1998-09-08 Laserscore, Inc. Apparatus for detecting the presence and location of at least one object in a field
US5682413A (en) * 1996-06-21 1997-10-28 Picker International, Inc. Rotational angiography dye and mask image acquisition and synchronization
US5706325A (en) * 1996-12-05 1998-01-06 General Electric Company Exact regional reconstruction of longitudinally-unbounded objects using a circle-and-line cone beam tomographic system
AU2760699A (en) * 1998-02-04 1999-08-23 Laserscore, Inc. System for detecting the presence and location of at least one object in a fieldby using a divergent radiation source and an array of opposed plural detectors which rotate together around the field
US6363134B1 (en) * 1999-01-13 2002-03-26 Kabushiki Kaisha Toshiba X-ray computed tomography apparatus
US6816567B2 (en) 2002-07-15 2004-11-09 Ge Medical System Global Technology Company, Llc System and method for acquiring x-ray data
JP2005040582A (ja) * 2003-07-07 2005-02-17 Ge Medical Systems Global Technology Co Llc Ｘ線ｃｔ撮像方法およびｘ線ｃｔ装置
JP4634770B2 (ja) * 2004-10-06 2011-02-16 株式会社東芝 Ｘ線ｃｔ装置及び画像再構成方法
JP4322894B2 (ja) * 2006-06-20 2009-09-02 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 Ｘ線ｃｔ装置
US7983385B2 (en) * 2006-09-29 2011-07-19 Koninklijke Philips Electronics N.V. Fly-by scanning
US7869559B2 (en) * 2006-10-19 2011-01-11 General Electric Company X-ray detector methods and apparatus
US8822409B2 (en) * 2007-06-20 2014-09-02 Phylogica Limited Compositions and uses thereof for the treatment of acute respiratory distress syndrome (ARDS) and clinical disorders associated with therewith
JP5340748B2 (ja) * 2009-01-05 2013-11-13 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 Ｘ線ｃｔ装置
US9084542B2 (en) * 2009-11-10 2015-07-21 General Electric Company Apparatus and methods for computed tomography imaging
US8440976B2 (en) 2011-01-20 2013-05-14 Kabushiki Kaisha Toshiba Method for optimizing step size in a multi-step whole-body PET imaging
CN104797194B (zh) * 2012-11-14 2019-03-08 东芝医疗系统株式会社 X射线ct装置
JP2014166346A (ja) * 2013-01-31 2014-09-11 Toshiba Corp Ｘ線ｃｔ装置及びそのプログラム
CN107296609B (zh) * 2017-06-16 2021-06-01 上海联影医疗科技股份有限公司 一种医学成像扫描定位方法、系统及计算机可读存储介质
CN109171775A (zh) * 2018-07-04 2019-01-11 沈阳东软医疗系统有限公司 成像方法及扫描控制方法、装置、系统、设备和存储介质
CN109567843B (zh) * 2019-02-02 2021-04-06 上海联影医疗科技股份有限公司 一种成像扫描自动定位方法、装置、设备及介质
CN110327069B (zh) * 2019-07-01 2023-05-05 赛诺威盛科技(北京)股份有限公司 一种缩小ct螺旋扫描范围的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59111738A (ja) * 1982-12-16 1984-06-28 株式会社東芝 Ｘ線断層撮影装置
JPH0767445B2 (ja) * 1985-10-14 1995-07-26 株式会社日立メディコ Ｘ線ｃｔ装置
JPS62139630A (ja) * 1985-12-16 1987-06-23 株式会社日立メディコ Ｘ線ｃｔ装置
US4789929A (en) * 1987-05-14 1988-12-06 Hitachi Medical Corporation CT system for spirally scanning subject on a movable bed synchronized to X-ray tube revolution
JPH0728862B2 (ja) * 1989-02-13 1995-04-05 株式会社東芝 Ｃｔ装置
US5046003A (en) * 1989-06-26 1991-09-03 General Electric Company Method for reducing skew image artifacts in helical projection imaging
DE69028768T2 (de) * 1990-04-04 1997-05-07 Toshiba Kawasaki Kk Verfahren und Vorrichtung zur rechnerunterstützten Erzeugung von Tomographien mittels schraubenförmiger Abtastbewegung
JPH0787835B2 (ja) * 1990-06-27 1995-09-27 株式会社東芝 Ｘ線断層撮影装置
JP2607749B2 (ja) * 1990-11-01 1997-05-07 株式会社東芝 Ｘ線ｃｔ装置

Also Published As

Publication number Publication date
EP0691104A2 (de) 1996-01-10
US5386452A (en) 1995-01-31
EP0691104A3 (de) 1996-04-03
DE69133051D1 (de) 2002-08-01
JP2607749B2 (ja) 1997-05-07
DE69119537D1 (de) 1996-06-20
JPH04170941A (ja) 1992-06-18
US5499283A (en) 1996-03-12
EP0691104B1 (de) 2002-06-26
DE69133051T2 (de) 2003-02-06
EP0483729A1 (de) 1992-05-06
EP0483729B1 (de) 1996-05-15
US5224135A (en) 1993-06-29

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Legal Events

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8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: KRAMER - BARSKE - SCHMIDTCHEN, 81245 MUENCHEN

8320 Willingness to grant licences declared (paragraph 23)