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1. WO2022005721 - UTILIZING AN OFFSET MULTI-LEAF COLLIMATOR TO IMPROVE DOSE CONFORMALITY AND HOMOGENEITY

Publication Number WO/2022/005721
Publication Date 06.01.2022
International Application No. PCT/US2021/036747
International Filing Date 10.06.2021
IPC
A61N 5/10 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
5Radiation therapy
10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
CPC
A61N 5/1031
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
5Radiation therapy
10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
103Treatment planning systems
1031using a specific method of dose optimization
A61N 5/1045
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
5Radiation therapy
10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
1042with spatial modulation of the radiation beam within the treatment head
1045using a multi-leaf collimator, e.g. for intensity modulated radiation therapy or IMRT
A61N 5/1065
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
5Radiation therapy
10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
1048Monitoring, verifying, controlling systems and methods
1064for adjusting radiation treatment in response to monitoring
1065Beam adjustment
A61N 5/1081
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
5Radiation therapy
10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
1077Beam delivery systems
1081Rotating beam systems with a specific mechanical construction, e.g. gantries
A61N 5/1083
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
5Radiation therapy
10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
1077Beam delivery systems
1083Robot arm beam systems
Applicants
  • ACCURAY INCORPORATED [US]/[US]
Inventors
  • CHAO, Edward H.
  • SCHNARR, Eric
  • CASEY, Dylan
Agents
  • OVANEZIAN, Daniel E.
  • GENCARELLA, Michael L.
  • WOLFSBERGER, Jonathan
  • ADISESH, Abhijit P.
  • REGISTER, Dylon C.
  • CHEN, Tony T.
Priority Data
16/916,40730.06.2020US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) UTILIZING AN OFFSET MULTI-LEAF COLLIMATOR TO IMPROVE DOSE CONFORMALITY AND HOMOGENEITY
(FR) UTILISATION D’UN COLLIMATEUR MULTILAME DÉCALÉ POUR AMÉLIORER LA CONFORMALITÉ ET L’HOMOGÉNÉITÉ DE DOSE
Abstract
(EN) A radiation delivery system includes a radiation source to generate a radiation beam to deliver to a target and a multi-leaf collimator (MLC) operatively coupled to the radiation source, wherein the MLC is offset to shift the MLC in a direction relative to a line from the radiation source to a point of interest to cause projections of the radiation beam to be shifted based on the offset.
(FR) La présente invention concerne un système de distribution de rayonnement qui comprend une source de rayonnement pour générer un faisceau de rayonnement devant être administré à une cible et un collimateur multilame (CML) fonctionnellement couplé à la source de rayonnement, le CML étant décalé pour décaler le CML dans une direction par rapport à une ligne de la source de rayonnement à un point d’intérêt pour amener les projections du faisceau de rayonnement à être décalées sur la base du décalage.
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