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1. (EP2010058) Computed Tomography System and Method

Office : European Patent Office
Application Number: 07755309 Application Date: 12.04.2007
Publication Number: 2010058 Publication Date: 07.01.2009
Publication Kind : B1
Designated States: AL,AT,BA,BE,BG,CH,CY,CZ,DE,DK,EE,ES,FI,FR,GB,GR,HR,HU,IE,IS,IT,LI,LT,LU,LV,MC,MK,MT,NL,PL,PT,RO,RS,SE,SI,SK,TR
Prior PCT appl.: Application Number:US2007008996 ; Publication Number: Click to see the data
IPC:
A61B 6/03
A61B 6/00
A61B 6/02
A61B 6/06
G21K 1/02
G21K 1/04
H01J 35/24
H01J 35/30
H05G 1/70
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
B
DIAGNOSIS; SURGERY; IDENTIFICATION
6
Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
02
Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
03
Computerised tomographs
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
B
DIAGNOSIS; SURGERY; IDENTIFICATION
6
Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
B
DIAGNOSIS; SURGERY; IDENTIFICATION
6
Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
02
Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
B
DIAGNOSIS; SURGERY; IDENTIFICATION
6
Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
06
Diaphragms
G PHYSICS
21
NUCLEAR PHYSICS; NUCLEAR ENGINEERING
K
TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
1
Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
02
using diaphragms, collimators
G PHYSICS
21
NUCLEAR PHYSICS; NUCLEAR ENGINEERING
K
TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
1
Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
02
using diaphragms, collimators
04
using variable diaphragms, shutters, choppers
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
J
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
35
X-ray tubes
24
Tubes wherein the point of impact of the cathode ray on the anode or anticathode is movable relative to the surface thereof
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
J
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
35
X-ray tubes
24
Tubes wherein the point of impact of the cathode ray on the anode or anticathode is movable relative to the surface thereof
30
by deflection of the cathode ray
H ELECTRICITY
05
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
G
X-RAY TECHNIQUE
1
X-ray apparatus involving X-ray tubes; Circuits therefor
08
Electrical details
70
Circuit arrangements for X-ray tubes with more than one anode; Circuit arrangements for apparatus comprising more than one X-ray tube
CPC:
A61B 6/06
A61B 6/025
A61B 6/032
A61B 6/4028
A61B 6/4085
A61B 6/4405
A61B 6/4441
A61B 6/4488
A61B 6/466
A61B 6/583
G21K 1/025
H01J 2235/062
H01J 2235/068
H05G 1/70
Applicants: BEAUMONT HOSPITAL WILLIAM
Inventors: ZHANG TIEZHI
Priority Data: 2007008996 12.04.2007 US
79220706 14.04.2006 US
Title: (DE) Computertomographiesystem und -methode
(EN) Computed Tomography System and Method
(FR) Système et procédé de tomographie calculée
Abstract: front page image
(EN) A method of imaging an object that includes directing a plurality of x-ray beams (212) in a fan-shaped form towards an object (P), detecting x-rays (212) that pass through the object (P) due to the directing a plurality of x-ray beams and generatmg a plurality of imaging data regarding the object from the detected x-rays The method further includes forming either a three-dimensional cone-bea computed tomography, digital tomosynthesis or Megavoltage image from the plurality of imaging data and displaying the image
(FR) La présente invention concerne un procédé d'imagerie d'un objet qui consiste à diriger une pluralité de faisceaux de rayons X en forme d'éventail vers un objet, détecter les rayons X qui traversent l'objet par le fait de diriger une pluralité de faisceaux à rayons X et générer une pluralité de données d'imagerie concernant l'objet à partir des rayons X détectés. Le procédé consiste en outre à former une image soit par tomodensitométrie à faisceau conique tridimensionnel, tomosynthèse numérique ou tension de l'ordre du mégavolt à partir de la pluralité de données d'imagerie et afficher l'image.