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1. WO2022002822 - METHODS AND SYSTEMS USING MODELING OF CRYSTALLINE MATERIALS FOR SPOT PLACEMENT FOR RADIATION THERAPY

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Publication Number WO/2022/002822
Publication Date 06.01.2022
International Application No. PCT/EP2021/067631
International Filing Date 28.06.2021
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 2005/1087
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
5Radiation therapy
10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
1085characterised by the type of particles applied to the patient
1087Ions; Protons
A61N 5/103
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
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
G16C 20/20
GPHYSICS
16INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
CCOMPUTATIONAL CHEMISTRY; CHEMOINFORMATICS; COMPUTATIONAL MATERIALS SCIENCE
20Chemoinformatics, i.e. ICT specially adapted for the handling of physicochemical or structural data of chemical particles, elements, compounds or mixtures
20Identification of molecular entities, parts thereof or of chemical compositions
G16H 20/40
GPHYSICS
16INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
HHEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
20ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance
40relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
G16H 50/50
GPHYSICS
16INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
HHEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
50ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
50for simulation or modelling of medical disorders
Applicants
  • VARIAN MEDICAL SYSTEMS INTERNATIONAL AG [CH]/[CH]
Inventors
  • HIRVONEN, Petri
  • ROSSI, Michiko
  • LANSONNEUR, Pierre
  • ROPO, Matti
  • PETAJA, Viljo
  • NIEMELA, Perttu
  • KOPONEN, Timo
Agents
  • RABINDER, Lee
Priority Data
16/918,94901.07.2020US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) METHODS AND SYSTEMS USING MODELING OF CRYSTALLINE MATERIALS FOR SPOT PLACEMENT FOR RADIATION THERAPY
(FR) PROCÉDÉS ET SYSTÈMES UTILISANT LA MODÉLISATION DE MATÉRIAUX CRISTALLINS POUR UN PLACEMENT DE POINT POUR UNE RADIOTHÉRAPIE
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Abstract
(EN) A crystalline structure modeling methodology that is conventionally used to model crystalline matter down to the atomic level is instead used to determine spot placement for radiation treatment. The cross-sectional shape of a treatment target is specified 202; locations (peaks) in a density field inside the shape are determined using the crystalline structure model 204; locations of spots in the treatment target for spot scanning are determined 206, where the locations correspond to the locations (peaks) inside the shape determined using the crystalline structure model; and the locations of the spots are stored as candidates for potential inclusion in a radiation treatment plan 208.
(FR) Selon la présente invention, une méthodologie de modélisation de structure cristalline qui est conventionnellement utilisée pour modéliser une matière cristalline jusqu’au niveau atomique est utilisée pour déterminer un placement de point pour un traitement par rayonnement. La forme de section transversale d’une cible de traitement est spécifiée 202 ; des emplacements (pics) dans un champ de densité à l’intérieur de la forme sont déterminés au moyen du modèle de structure cristalline 204 ; des emplacements de points dans la cible de traitement pour un balayage de point sont déterminés 206, les emplacements correspondant aux emplacements (pics) à l’intérieur de la forme déterminée au moyen du modèle de structure cristalline ; et les emplacements des points sont stockés en tant que candidats pour inclusion potentielle dans un plan de traitement par rayonnement 208.
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