ATE144115T1 - Verfahren und vorrichtung für computerisierte tomographie- und panorama abtastungen - Google Patents
Verfahren und vorrichtung für computerisierte tomographie- und panorama abtastungenInfo
- Publication number
- ATE144115T1 ATE144115T1 AT92914371T AT92914371T ATE144115T1 AT E144115 T1 ATE144115 T1 AT E144115T1 AT 92914371 T AT92914371 T AT 92914371T AT 92914371 T AT92914371 T AT 92914371T AT E144115 T1 ATE144115 T1 AT E144115T1
- Authority
- AT
- Austria
- Prior art keywords
- rotation
- detector
- tomographic
- mode
- center
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 238000003325 tomography 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
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/51—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for dentistry
-
- 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
-
- 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
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4488—Means for cooling
-
- 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
- A61B6/582—Calibration
- A61B6/583—Calibration using calibration phantoms
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- High Energy & Nuclear Physics (AREA)
- Theoretical Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Veterinary Medicine (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Physics & Mathematics (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Eye Examination Apparatus (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US71784091A | 1991-06-20 | 1991-06-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE144115T1 true ATE144115T1 (de) | 1996-11-15 |
Family
ID=24883704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT92914371T ATE144115T1 (de) | 1991-06-20 | 1992-06-19 | Verfahren und vorrichtung für computerisierte tomographie- und panorama abtastungen |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0608237B1 (de) |
AT (1) | ATE144115T1 (de) |
AU (1) | AU2262192A (de) |
DE (1) | DE69214665D1 (de) |
WO (1) | WO1993000046A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI97775C (fi) * | 1992-05-22 | 1997-02-25 | Orion Yhtymae Oy | Panoraamaröntgenkuvauslaite |
US7086859B2 (en) | 2003-06-10 | 2006-08-08 | Gendex Corporation | Compact digital intraoral camera system |
US8306181B2 (en) | 2008-03-13 | 2012-11-06 | Oy Ajat Ltd | Single sensor multi-functional dental extra-oral x-ray imaging system and method |
US7715525B2 (en) | 2008-03-13 | 2010-05-11 | Oy Ajat Limited | Single sensor multi-functional dental extra-oral x-ray imaging system and method |
US7715526B2 (en) * | 2008-03-13 | 2010-05-11 | Oy Ajat Limited | Single sensor multi-functional dental extra-oral x-ray imaging system and method |
US8039790B2 (en) | 2009-05-14 | 2011-10-18 | University Health Network | Phantoms and methods for verification in radiotherapy systems |
DE102013200400A1 (de) | 2012-09-24 | 2014-05-28 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zur Bestimmung der durch das zu untersuchende Objekt verursachten Abschwächung der Röntgenstrahlung |
JP6281640B2 (ja) * | 2014-07-03 | 2018-02-21 | 株式会社ニコン | X線装置、画像形成方法、構造物の製造方法、及び構造物製造システム |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4365339A (en) * | 1975-12-23 | 1982-12-21 | General Electric Company | Tomographic apparatus and method for reconstructing planar slices from non-absorbed and non-scattered radiation |
JP2824602B2 (ja) * | 1990-10-05 | 1998-11-11 | 株式会社モリタ製作所 | デジタルパノラマx線撮影装置 |
-
1992
- 1992-06-19 EP EP92914371A patent/EP0608237B1/de not_active Expired - Lifetime
- 1992-06-19 WO PCT/US1992/005218 patent/WO1993000046A1/en active IP Right Grant
- 1992-06-19 AU AU22621/92A patent/AU2262192A/en not_active Abandoned
- 1992-06-19 DE DE69214665T patent/DE69214665D1/de not_active Expired - Lifetime
- 1992-06-19 AT AT92914371T patent/ATE144115T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE69214665D1 (de) | 1996-11-21 |
EP0608237B1 (de) | 1996-10-16 |
AU2262192A (en) | 1993-01-25 |
WO1993000046A1 (en) | 1993-01-07 |
EP0608237A1 (de) | 1994-08-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4789929A (en) | CT system for spirally scanning subject on a movable bed synchronized to X-ray tube revolution | |
US4484571A (en) | Patient security and restraint system | |
JP2607749B2 (ja) | X線ct装置 | |
US6574296B2 (en) | Computer tomography unit and method for operating same | |
US20080118024A1 (en) | Method for reconstructing a local high resolution x-ray ct image and apparatus for reconstructing a local high resolution x-ray ct image | |
DE3467691D1 (en) | X-ray diagnostic apparatus for allowing stereoscopic visualization on x-ray images of an object under examination | |
DE3467851D1 (en) | Method of obtaining x-ray ct image and apparatus for utilizing the same method | |
US7873142B2 (en) | Distortion correction method for linear scanning X-ray system | |
TW352336B (en) | Improved method and apparatus for helical computed tomography scanning with asymmetric detector system | |
ATE274835T1 (de) | Bewegbare patientenliege für bilderzeugungsgerät | |
EP0247758A3 (en) | Method for production of fluoroscopic and radiographic x-ray images and hand held diagnostic apparatus incorporating the same | |
US4570224A (en) | Combining rebinned and unrebinned parallel ray data with unequal lateral spacing to create tomograph images | |
US5706325A (en) | Exact regional reconstruction of longitudinally-unbounded objects using a circle-and-line cone beam tomographic system | |
GB2052930A (en) | Tomographic method and apparatus | |
ATE144115T1 (de) | Verfahren und vorrichtung für computerisierte tomographie- und panorama abtastungen | |
IT7830527A0 (it) | Metodo e dispositivo per la riduzione di difetti in immagini ottenute da un apparato per tomografia computerizzata. | |
KR950033524A (ko) | 이미션 ct장치 | |
JPS61240944A (ja) | X線写真写像方法および装置 | |
JPH06133961A (ja) | コンピュータ断層撮影装置 | |
DE3061212D1 (en) | X-ray apparatus for producing tomographic and other radiographic images | |
JPS54135548A (en) | Synthesizing method of stereo images from plural sheets of tomographic images | |
JPH06205770A (ja) | X線ct装置 | |
JPH08173413A (ja) | X線ct装置 | |
JP2824011B2 (ja) | X線ct装置 | |
JPH1119080A (ja) | X線ct装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |