DE69119537T2 - Verfahren und Gerät zur Abbildung bei schraubenförmiger Abtastung für Röntgenstrahlrechner-Tomographie - Google Patents
Verfahren und Gerät zur Abbildung bei schraubenförmiger Abtastung für Röntgenstrahlrechner-TomographieInfo
- 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
Links
- 238000002591 computed tomography Methods 0.000 title 1
- 238000003384 imaging method Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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
- A61B6/02—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
- A61B6/04—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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Health & Medical Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Public Health (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Biophysics (AREA)
- Theoretical Computer Science (AREA)
- Pulmonology (AREA)
- General Physics & Mathematics (AREA)
- Apparatus For Radiation Diagnosis (AREA)
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 |
---|---|---|---|
DE69133051T Expired - Lifetime DE69133051T2 (de) | 1990-11-01 | 1991-10-28 | Helical Scanning Röntgen-Computertomographiegerät |
DE69119537T Expired - Lifetime DE69119537T2 (de) | 1990-11-01 | 1991-10-28 | Verfahren und Gerät zur Abbildung bei schraubenförmiger Abtastung für Röntgenstrahlrechner-Tomographie |
Family Applications Before (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) | EP0483729B1 (de) |
JP (1) | JP2607749B2 (de) |
DE (2) | DE69133051T2 (de) |
Families Citing this family (29)
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 |
WO1999040388A1 (en) * | 1998-02-04 | 1999-08-12 | Laserscore, Inc. | System for detecting the presence and location of at least one object in a field by 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 |
RU2452384C2 (ru) * | 2006-09-29 | 2012-06-10 | Конинклейке Филипс Электроникс Н.В. | Сканирование в сквозном режиме |
US7869559B2 (en) * | 2006-10-19 | 2011-01-11 | General Electric Company | X-ray detector methods and apparatus |
WO2008154700A1 (en) * | 2007-06-20 | 2008-12-24 | 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 |
JP6309250B2 (ja) * | 2012-11-14 | 2018-04-11 | キヤノンメディカルシステムズ株式会社 | X線ct装置、x線ct装置の制御プログラム |
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)
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 |
EP0450152B1 (de) * | 1990-04-04 | 1996-10-02 | Kabushiki Kaisha Toshiba | 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 |
-
1990
- 1990-11-01 JP JP2293595A patent/JP2607749B2/ja not_active Expired - Lifetime
-
1991
- 1991-10-28 EP EP91118359A patent/EP0483729B1/de not_active Expired - Lifetime
- 1991-10-28 EP EP95113262A patent/EP0691104B1/de not_active Expired - Lifetime
- 1991-10-28 DE DE69133051T patent/DE69133051T2/de not_active Expired - Lifetime
- 1991-10-28 DE DE69119537T patent/DE69119537T2/de not_active Expired - Lifetime
- 1991-10-30 US US07/784,223 patent/US5224135A/en not_active Expired - Lifetime
-
1993
- 1993-05-24 US US08/064,936 patent/US5386452A/en not_active Expired - Lifetime
-
1995
- 1995-01-12 US US08/371,789 patent/US5499283A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0691104B1 (de) | 2002-06-26 |
EP0483729B1 (de) | 1996-05-15 |
DE69119537D1 (de) | 1996-06-20 |
JPH04170941A (ja) | 1992-06-18 |
JP2607749B2 (ja) | 1997-05-07 |
EP0691104A2 (de) | 1996-01-10 |
EP0691104A3 (de) | 1996-04-03 |
US5499283A (en) | 1996-03-12 |
DE69133051D1 (de) | 2002-08-01 |
US5224135A (en) | 1993-06-29 |
DE69133051T2 (de) | 2003-02-06 |
US5386452A (en) | 1995-01-31 |
EP0483729A1 (de) | 1992-05-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69119537T2 (de) | Verfahren und Gerät zur Abbildung bei schraubenförmiger Abtastung für Röntgenstrahlrechner-Tomographie | |
DE69430164D1 (de) | Röntgenstrahlabbildunggerät und Verfahren für Diagnosezwecke | |
DE68926015D1 (de) | Bildverarbeitungsverfahren und -vorrichtung für Röntgendiagnostik | |
DE3878585D1 (de) | Vorrichtung und verfahren zur digitalen roentgenabbildung. | |
DE69033921D1 (de) | Rechnergesteurtes tomographisches Bildrekonstruktionsverfahren für Spiralabtasten | |
DE69222844T2 (de) | Verfahren und Gerät zur Bildkompression für Dokumente | |
DE69131413T2 (de) | Verfahren und Gerät zur Patientdokumentationsverarbeitung | |
DE69013186T2 (de) | Verfahren zur röntgenologischen Bildverarbeitung und photographisches Bildverarbeitungsgerät dafür. | |
DE69128114T2 (de) | Bildgerät und Verfahren | |
DE69823763D1 (de) | Verfahren und Gerät zur Röntgen-Computertomographie | |
DE69126933D1 (de) | Abbildungsgerät und Verfahren | |
DE69014074D1 (de) | Röntgenraster für medizinische röntgenaufnahmen und verfahren zu dessen herstellung und zu dessen verwendung. | |
DE69017827T2 (de) | Verfahren und Geräte zur Bilderzeugung. | |
DE69124982D1 (de) | Gerät und Verfahren zur nicht-invasiven Untersuchung | |
DE69127516D1 (de) | Verfahren und Gerät zur Bilderzeugung | |
DE69226609D1 (de) | Verfahren und Gerät zur Dokumentbildverarbeitung | |
DE69327898T2 (de) | Elektronisches Verfahren und Vorrichtung zur Erfassung eines Röntgenstrahlungsbildes | |
DE69215267D1 (de) | Verfahren und Gerät zur Panorama-Röntgenaufnahme | |
DE69225378T2 (de) | Röntgenbelichtungsvorrichtung und Verfahren | |
DE3887624T2 (de) | Verfahren und Vorrichtung zur Strahlungsbildverarbeitung und Röntgenstrahlen-Bildverarbeitung. | |
DE69215250T2 (de) | Verfahren und Vorrichtung für Panorama-Röntgenaufnahmen | |
DE69821082D1 (de) | Abbildungsvorrichtung und Verfahren für Computertomographie | |
DE69030464D1 (de) | Röntgenbildverstärker und Verfahren zur Herstellung des Eingangsschirmes | |
DE3769545D1 (de) | Verfahren und geraet zur mr-bildgebung. | |
DE69301692T2 (de) | Verfahren und Gerät für Computertomographie |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
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) |