Varian Medical Systems Patent Applications

METHODS OF USE OF ULTRA-HIGH DOSE RATE RADIATION AND THERAPEUTIC AGENT

Granted: March 28, 2024
Application Number: 20240100361
Methods for treating tumors by administering FLASH radiation and a therapeutic agent to a patient with cancer are disclosed. The methods provide the dual benefits of anti-tumor efficacy plus normal tissue protection when combining therapeutic agents with FLASH radiation to treat cancer patients. The methods described herein also allow for the classification of patients into groups for receiving optimized radiation treatment in combination with a therapeutic agent based on…

FLASH THERAPY TREATMENT PLANNING AND ONCOLOGY INFORMATION SYSTEM HAVING DOSE RATE PRESCRIPTION AND DOSE RATE MAPPING

Granted: March 7, 2024
Application Number: 20240075314
A computing system comprising a central processing unit (CPU), and memory coupled to the CPU and having stored therein instructions that, when executed by the computing system, cause the computing system to execute operations to generate a radiation treatment plan. The operations include accessing a minimum prescribed dose to be delivered into and across the target, determining a number of beams and directions of the beams, and determining a beam energy for each of the beams, wherein the…

NIR IMAGE-GUIDED TARGETING

Granted: February 22, 2024
Application Number: 20240057867
A method includes determining skin characteristics in a region of a patient. An in-treatment optical scan is performed on a region of a patient, wherein the in-treatment optical scan comprises a near infrared (NIR) energy source. A plurality of detected signals is detected from the optical scan. The skin characteristics are filtered out from the plurality of detected signals. Skeletal anatomy positioning associated with the region is determined from the plurality of signals that is…

METHODS, SYSTEMS AND COMPUTER READABLE MEDIUMS FOR LIGHT FIELD VERIFICATION ON A PATIENT SURFACE

Granted: February 15, 2024
Application Number: 20240054646
At least one example embodiment provides a method including obtaining a first image, the first image including a light field on a patient, the light field being generated by a treatment system; obtaining a treatment plan outline, the treatment plan outline including an area of the patient for a treatment; determining positioning information based on the first image and the treatment plan outline, the positioning information including an indicator of a position of the treatment system…

SETUP FOR SCOUT SCANS IN A RADIATION THERAPY SYSTEM

Granted: February 8, 2024
Application Number: 20240041416
A method for a radiation therapy system comprises: causing a graphical representation of a movable support couch of the X-ray imaging system to be displayed, wherein the graphical representation includes one or more reference markers that each correspond to a respective physical feature of the movable support couch; receiving a first user input that includes a first position indicator that corresponds to a first boundary of an X-ray imaging region; and generating an X-ray image of the…

SETUP FOR TREATMENT PLANNING SCANS IN A RADIATION THERAPY SYSTEM

Granted: February 8, 2024
Application Number: 20240042240
A method for a radiation treatment system includes: a treatment-delivering X-ray source configured to rotate about an isocenter of the radiation treatment system and direct treatment X-rays to a target volume; an imaging X-ray source configured to rotate about the isocenter of the radiation treatment system and direct imaging X-rays to a target region that includes the target volume; and a processor. The processor is configured to perform the steps of: displaying a first set of multiple…

SETUP FOR SCOUT SCANS IN A RADIATION THERAPY SYSTEM

Granted: February 8, 2024
Application Number: 20240041416
A method for a radiation therapy system comprises: causing a graphical representation of a movable support couch of the X-ray imaging system to be displayed, wherein the graphical representation includes one or more reference markers that each correspond to a respective physical feature of the movable support couch; receiving a first user input that includes a first position indicator that corresponds to a first boundary of an X-ray imaging region; and generating an X-ray image of the…

SETUP FOR TREATMENT PLANNING SCANS IN A RADIATION THERAPY SYSTEM

Granted: February 8, 2024
Application Number: 20240042240
A method for a radiation treatment system includes: a treatment-delivering X-ray source configured to rotate about an isocenter of the radiation treatment system and direct treatment X-rays to a target volume; an imaging X-ray source configured to rotate about the isocenter of the radiation treatment system and direct imaging X-rays to a target region that includes the target volume; and a processor. The processor is configured to perform the steps of: displaying a first set of multiple…

BRACHYTHERAPY APPLICATOR

Granted: January 18, 2024
Application Number: 20240017092
At least one example embodiment relates to a method of manufacturing an applicator. The method includes providing a shaft. The shaft has a first end and a second end opposite the first end. The method further includes providing a cap, providing a base portion, and forming an applicator. The forming the applicator includes connecting the cap to the first end of the shaft and connecting the base portion to the second end of the shaft.

RADIATION TREATMENT PLANNING AND DELIVERY FOR MOVING TARGETS IN THE HEART

Granted: January 18, 2024
Application Number: 20240017094
A radiation treatment planning system includes a computing device; and an interface for a user to communicate with the computing device and plan delivery of at least one radiation beam, wherein the computing device is configured to: acquire a calculated position of each of the at least one radiation beam required to treat a target tissue in a patient, wherein each of the positions is a function of a phase of a physiological cycle of the patient; determine dosages in the target tissue to…

BRACHYTHERAPY APPLICATOR

Granted: January 18, 2024
Application Number: 20240017092
At least one example embodiment relates to a method of manufacturing an applicator. The method includes providing a shaft. The shaft has a first end and a second end opposite the first end. The method further includes providing a cap, providing a base portion, and forming an applicator. The forming the applicator includes connecting the cap to the first end of the shaft and connecting the base portion to the second end of the shaft.

RADIATION TREATMENT PLANNING AND DELIVERY FOR MOVING TARGETS IN THE HEART

Granted: January 18, 2024
Application Number: 20240017094
A radiation treatment planning system includes a computing device; and an interface for a user to communicate with the computing device and plan delivery of at least one radiation beam, wherein the computing device is configured to: acquire a calculated position of each of the at least one radiation beam required to treat a target tissue in a patient, wherein each of the positions is a function of a phase of a physiological cycle of the patient; determine dosages in the target tissue to…

METHOD AND SYSTEM FOR REMOTE MONITORING OF PROTON BEAM EMITTING AND DELIVERY SYSTEMS

Granted: January 4, 2024
Application Number: 20240008163
A remote diagnostic monitoring of operating states for physical components of a particle accelerator system includes generating, by at least one processor, a component hierarchy corresponding to a physical arrangement of one or more physical components of a particle emitting system and including corresponding operating indicators of operating states of the physical components, identifying, by the at least one processor, a faulted physical component among the physical components,…

METHODS, SYSTEMS AND COMPUTER READABLE MEDIUMS FOR EVALUATING AND DISPLAYING A BREATHING MOTION

Granted: January 4, 2024
Application Number: 20240005523
At least one example embodiment provides a method including obtaining surface information of a patient using a camera; determining a motion of the patient based on the surface information; and providing an indicator of a region of interest (ROI) of the patient based on the motion.

QUALITY ASSURANCE PROCESS FOR RADIATION THERAPY TREATMENT PLANNING

Granted: January 4, 2024
Application Number: 20240001154
A method enables testing and evaluation of an expert human reviewer or an artificial intelligence (AI) error detection engine associated with a radiotherapy treatment planning process. Intentional errors are introduced into the output of a software module or AI engine that performs a certain step in the radiotherapy treatment planning process. The efficacy of the human or AI reviewer in detecting errors can then be evaluated or tested by determining whether the human or AI reviewer has…

METHODS, SYSTEMS AND COMPUTER READABLE MEDIUMS FOR DETERMINING A REGION-OF-INTEREST IN SURFACE-GUIDED MONITORING

Granted: January 4, 2024
Application Number: 20240001151
At least one example embodiment provides a method including obtaining a surface of a patient, obtaining first treatment information for the patient, the first treatment information associated with a treatment for the patient, the first treatment information corresponding to at least one of a treatment intent for the patient, a treatment plan for the patient or a structure of the patient, obtaining at least one model based on the first treatment information for the patient and determining…

SYSTEMS AND METHODS FOR PLANNING OF CARDIAC RADIATION THERAPY

Granted: January 4, 2024
Application Number: 20240001147
Systems and methods for predicting a location of a target heart region for cardiac ablation can include one or more processors generating a 3D model of a heart of a patient based on medical images of the patient, and estimating, using the 3D model of the heart and electrophysiology data of the patient, one or more mechanical properties that drive motion of the patient's heart. The one or more processors can generate, using the 3D model and the one or more mechanical properties, a…

SYSTEMS AND METHODS FOR RADIATION DOSE PLANNING FOR CARDIAC RADIATION THERAPY

Granted: January 4, 2024
Application Number: 20240001145
Systems and methods for simulating radiation effect for cardiac ablation can include a processor generating a heart simulation model configured to simulate electrical activities of the heart of the patient. The processor can determine a simulated post-radiation state of the heart of the patient by adjusting the heart simulation model to account for an effect of a radiation treatment plan on simulated electrical activities of the heart of the patient. The processor can simulate, using the…

PLAN ANALYSIS AND GUIDANCE USING VOICE COMMANDS AND HUMAN LANGUAGE PROCESSING

Granted: December 21, 2023
Application Number: 20230405356
Embodiments described herein provide for radiotherapy treatment plan analysis and guidance using voice commands and human language processing. A processor monitors a computer model generating a radiation therapy treatment plan comprising a projected dose-volume distribution for a structure of a patient or an attribute of the radiation therapy treatment plan. The processor receives a query indicating the structure of the patient. The processor generates a query term based on the received…

DOSE-DIRECTED RADIATION THERAPY PLAN GENERATION USING COMPUTER MODELING TECHNIQUES

Granted: December 14, 2023
Application Number: 20230402152
Provided herein are methods and systems to train and execute a computer model that uses artificial intelligence methodologies (e.g., deep learning) to learn and predict Multi-leaf Collimator (MLC) openings and control weights for a radiation therapy treatment plan.