DE69115248T2 - Rechnergesteuerte dreidimensionale tomographische abtastung zur gewinnung von daten von objekten, deren abmessung grösser ist als der strahlungskegel. - Google Patents
Rechnergesteuerte dreidimensionale tomographische abtastung zur gewinnung von daten von objekten, deren abmessung grösser ist als der strahlungskegel.Info
- Publication number
- DE69115248T2 DE69115248T2 DE69115248T DE69115248T DE69115248T2 DE 69115248 T2 DE69115248 T2 DE 69115248T2 DE 69115248 T DE69115248 T DE 69115248T DE 69115248 T DE69115248 T DE 69115248T DE 69115248 T2 DE69115248 T2 DE 69115248T2
- Authority
- DE
- Germany
- Prior art keywords
- computer
- larger
- controlled
- obtain data
- dimensional tomographic
- 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 - Fee Related
Links
- 230000005855 radiation Effects 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
- A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4064—Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
- A61B6/4085—Cone-beams
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)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/577,163 US5187659A (en) | 1990-09-04 | 1990-09-04 | Cone beam scanning trajectories for three-dimensional computerized tomography data acquisition where object is larger than the field of view |
PCT/US1991/006199 WO1992003970A1 (en) | 1990-09-04 | 1991-08-29 | Cone beam scanning trajectories for three-dimensional computerized tomography data acquisition where object is larger than the field of view |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69115248D1 DE69115248D1 (de) | 1996-01-18 |
DE69115248T2 true DE69115248T2 (de) | 1996-08-22 |
Family
ID=24307521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69115248T Expired - Fee Related DE69115248T2 (de) | 1990-09-04 | 1991-08-29 | Rechnergesteuerte dreidimensionale tomographische abtastung zur gewinnung von daten von objekten, deren abmessung grösser ist als der strahlungskegel. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5187659A (de) |
EP (1) | EP0500857B1 (de) |
JP (1) | JPH04505575A (de) |
CA (1) | CA2042154A1 (de) |
DE (1) | DE69115248T2 (de) |
WO (1) | WO1992003970A1 (de) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5383119A (en) * | 1991-07-03 | 1995-01-17 | General Electric Company | Method and apparatus for acquiring complete radon data for exactly reconstructing a three dimensional computerized tomography image of a portion of an object irradiated by a cone beam source |
US5365560A (en) * | 1991-07-29 | 1994-11-15 | General Electric Company | Method and apparatus for acquiring a uniform distribution of radon data sufficiently dense to constitute a complete set for exact image reconstruction of an object irradiated by a cone beam source |
US5333164A (en) * | 1991-12-11 | 1994-07-26 | General Electric Company | Method and apparatus for acquiring and processing only a necessary volume of radon data consistent with the overall shape of the object for efficient three dimensional image reconstruction |
US5390226A (en) * | 1992-07-02 | 1995-02-14 | General Electric Company | Method and apparatus for pre-processing cone beam projection data for exact three dimensional computer tomographic image reconstruction of a portion of an object |
US5278884A (en) * | 1992-12-18 | 1994-01-11 | General Electric Company | Complete 3D CT data acquisition using practical scanning paths on the surface of a sphere |
US5325296A (en) * | 1992-12-18 | 1994-06-28 | General Electric Company | Step size in complete data scanning path for three dimensional computerized tomography |
US5390112A (en) * | 1993-10-04 | 1995-02-14 | General Electric Company | Three-dimensional computerized tomography scanning method and system for imaging large objects with smaller area detectors |
US5390111A (en) * | 1993-11-12 | 1995-02-14 | General Electric Company | Method and system for processing cone beam data for reconstructing free of boundary-induced artifacts a three dimensional computerized tomography image |
US5463666A (en) * | 1993-11-12 | 1995-10-31 | General Electric Company | Helical and circle scan region of interest computerized tomography |
US5406479A (en) * | 1993-12-20 | 1995-04-11 | Imatron, Inc. | Method for rebinning and for correcting cone beam error in a fan beam computed tomographic scanner system |
US5740224A (en) * | 1994-09-27 | 1998-04-14 | University Of Delaware | Cone beam synthetic arrays in three-dimensional computerized tomography |
US5504792A (en) * | 1994-12-27 | 1996-04-02 | General Electric Company | Method and system for masking cone beam projection data generated from either a region of interest helical scan or a helical scan |
US5559335A (en) * | 1994-12-28 | 1996-09-24 | The University Of Utah | Rotating and warping projector/backprojector for converging-beam geometries |
US5559846A (en) * | 1995-09-22 | 1996-09-24 | General Electric Company | Technique for improving processor efficiency in CT imaging |
US6084936A (en) * | 1998-07-10 | 2000-07-04 | General Electric Company | Almost-everywhere extrapolation from cone-beam data |
DE10035138A1 (de) * | 2000-07-19 | 2002-01-31 | Philips Corp Intellectual Pty | Computertomographie-Verfahren mit kegelförmiger Durcstrahlung eines Objekts |
EP1474040B1 (de) * | 2002-02-15 | 2007-10-24 | Breakaway Imaging, Llc | Gantryring mit abnehmbarem segment für mehrdimensionale röntgenabbildungen |
ATE304320T1 (de) * | 2002-03-13 | 2005-09-15 | Breakaway Imaging Llc | Systeme und verfahren für die quasi-gleichzeitige multiplanare röntgendarstellung |
EP2915488B1 (de) * | 2002-03-19 | 2019-06-05 | Medtronic Navigation, Inc. | Computertomografie mit einem detektor, der der bewegung einer drehbaren röntgenquelle folgt |
DE60315642T2 (de) * | 2002-06-11 | 2008-06-05 | Breakaway Imaging, LLC, Littleton | Freitragende gantry-vorrichtung zur bildgebung mittels röntgenstrahlen |
US6597756B1 (en) * | 2002-06-19 | 2003-07-22 | Ge Medical Systems Global Technology Company, Llc | Methods and apparatus for multi-slice image reconstruction |
US7338207B2 (en) * | 2002-08-21 | 2008-03-04 | Medtronic Navigation, Inc. | Gantry positioning apparatus for X-ray imaging |
AU2003262726A1 (en) * | 2002-08-21 | 2004-03-11 | Breakaway Imaging, Llc | Apparatus and method for reconstruction of volumetric images in a divergent scanning computed tomography system |
WO2004075118A1 (en) * | 2003-02-20 | 2004-09-02 | Koninklijke Philips Electronics N.V. | Asymmetric cone beam |
JP2005006772A (ja) * | 2003-06-17 | 2005-01-13 | Ge Medical Systems Global Technology Co Llc | X線診断装置及びct画像の生成方法 |
US6901132B2 (en) * | 2003-06-26 | 2005-05-31 | General Electric Company | System and method for scanning an object in tomosynthesis applications |
US7403587B2 (en) * | 2003-09-05 | 2008-07-22 | Koninklijke Philips Electronics N.V. | Computer tomography method using a cone-shaped bundle of rays |
US7142633B2 (en) * | 2004-03-31 | 2006-11-28 | General Electric Company | Enhanced X-ray imaging system and method |
US7310407B2 (en) * | 2004-09-03 | 2007-12-18 | Juni Jack E | Nuclear medical imaging device |
US7418076B2 (en) * | 2005-11-16 | 2008-08-26 | General Electric Company | System and method for cross table tomosynthesis imaging for trauma applications |
US7460636B2 (en) * | 2006-10-26 | 2008-12-02 | Moshe Ein-Gal | CT scanning system with interlapping beams |
US7869561B2 (en) * | 2007-04-10 | 2011-01-11 | Arineta Ltd. | Cone-beam CT |
WO2008122970A1 (en) * | 2007-04-10 | 2008-10-16 | Arineta Ltd. | X-ray tube plurality of targets and corresponding number of electron beam gates |
US8537965B2 (en) * | 2007-04-10 | 2013-09-17 | Arineta Ltd. | Cone-beam CT |
US9271689B2 (en) * | 2010-01-20 | 2016-03-01 | General Electric Company | Apparatus for wide coverage computed tomography and method of constructing same |
US9125572B2 (en) | 2012-06-22 | 2015-09-08 | University Of Utah Research Foundation | Grated collimation system for computed tomography |
WO2019230741A1 (ja) * | 2018-05-28 | 2019-12-05 | 国立研究開発法人理化学研究所 | 角度オフセットによる断層画像データの取得方法、取得装置、および制御プログラム |
CN112964738B (zh) * | 2021-01-29 | 2022-11-22 | 山东大学 | 一种工业ct快速扫描系统及方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2726635C3 (de) * | 1977-06-14 | 1981-05-27 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Tomographische Vorrichtung zur Ermittlung der Absorption einer Strahlung in einem dreidimensionalen Untersuchungsbereich |
US4196352A (en) * | 1978-04-28 | 1980-04-01 | General Electric Company | Multiple purpose high speed tomographic x-ray scanner |
FR2509053A1 (fr) * | 1981-07-02 | 1983-01-07 | Inst Francais Du Petrole | Dispositif de detection des entrees d'eau a l'interieur d'une flute sismique |
-
1990
- 1990-09-04 US US07/577,163 patent/US5187659A/en not_active Expired - Fee Related
-
1991
- 1991-05-09 CA CA002042154A patent/CA2042154A1/en not_active Abandoned
- 1991-08-29 JP JP3514561A patent/JPH04505575A/ja active Pending
- 1991-08-29 EP EP91915438A patent/EP0500857B1/de not_active Expired - Lifetime
- 1991-08-29 DE DE69115248T patent/DE69115248T2/de not_active Expired - Fee Related
- 1991-08-29 WO PCT/US1991/006199 patent/WO1992003970A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
EP0500857A1 (de) | 1992-09-02 |
DE69115248D1 (de) | 1996-01-18 |
JPH04505575A (ja) | 1992-10-01 |
WO1992003970A1 (en) | 1992-03-19 |
CA2042154A1 (en) | 1992-03-05 |
EP0500857B1 (de) | 1995-12-06 |
US5187659A (en) | 1993-02-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |