PATIENT MARKING AND POSITIONING IN A RADIATION THERAPY SYSTEM
Granted: December 1, 2022
Application Number:
20220379140
An example method for a radiation therapy system that includes a movable couch to perform radiation therapy has been disclosed. One method includes based on the X-ray images of an anatomical region of the patient that includes a target volume, reconstructing a digital volume of the anatomical region and based on a user input indicating a location of a patient origin in the digital volume, determining one or more shift values for repositioning the patient origin at an isocenter of the…
METHOD AND SYSTEM FOR REMOTE CONTROL OF PROTON BEAM EMITTING AND DELIVERY SYSTEM
Granted: November 24, 2022
Application Number:
20220370832
A remote diagnostic control of physical components of a particle accelerator system includes presenting, by at least one processor at a first physical location, a fault control interface including at least one control affordance corresponding to a physical component associated with a particle emitting system and a particle delivery system each located at a second physical location remote from the first physical location, and at least one arrangement presentation corresponding to the…
REMOTE CONTROL AND REMOTE MONITORING INFRASTRUCTURE FOR PROTON BEAM EMITTING AND DELIVERY SYSTEM
Granted: November 24, 2022
Application Number:
20220370830
A remote diagnostic monitoring and control of physical components of a particle accelerator system has a particle emitting system located at a first physical site and includes one or more particle emitting system components to operate the particle emitting system, a particle delivery system located at the first physical site and including one or more particle delivery system components to operate the particle delivery system, a particle system gateway located at the first physical site…
MAGNETORESISTIVE LINEAR POSITION DETECTION IN A RADIATION THERAPY SYSTEM
Granted: November 17, 2022
Application Number:
20220362585
A multileaf collimator includes a plurality of movable leaves for shaping a radiotherapy beam, wherein each leaf is independently movable in a same linear travel direction. Each leaf includes a linear array of magnets disposed on a measurement surface of the leaf and an array of magnetoresistive sensors that is disposed proximate the measurement surfaces of the leaves.
RADIATION THERAPY SYSTEM WITH FOLLOW-THE-LIGHTS USER INTERFACE
Granted: November 17, 2022
Application Number:
20220362581
Example methods and apparatuses of controlling a user interface with a plurality of input mechanisms are disclosed. One example method includes causing a first set of input mechanisms in the plurality of input mechanisms to be visually emphasized via a first visual technique while a second set of input mechanisms in the plurality of input mechanisms is not visually emphasized via the first visual technique, receiving a user input via an input mechanism that is included in the first set,…
BEAM SPOT TUNING IN A RADIATION THERAPY SYSTEM BASED ON RADIATION FIELD MEASUREMENTS
Granted: October 6, 2022
Application Number:
20220314029
An example computer-implemented method for tuning a beam spot in a radiation therapy system based on radiation field measurements has been disclosed. The example method includes configuring an electron beam to generate a first beam spot on an electron-beam target of the radiation therapy system, determining a value for one or more radiation field quality metrics for a first radiation beam that originates from the first beam spot, and based on the value, determining whether the first…
BEAM SPOT TUNING IN A RADIATION THERAPY SYSTEM
Granted: October 6, 2022
Application Number:
20220314028
An example computer-implemented method for tuning a beam spot in a radiation therapy system has been disclosed. The example method includes configuring an electron beam to generate a first beam spot on an electron-beam target of the radiation therapy system, generating, using an imager of the radiation therapy system, a first plurality of projection images of the first beam spot, wherein each of the projection images of the first beam spot is generated with a line of sight blocked…
MOTION ARTIFACT REDUCTION IN COMPUTED TOMOGRAPHY
Granted: October 6, 2022
Application Number:
20220313181
A method of imaging a region of patient anatomy having a target volume includes performing an autosegmentation of a high-contrast portion of a first reconstructed volume of the region to generate a three-dimensional (3D) representation of the high-contrast portion disposed within the region and generating a set of two-dimensional (2D) mask projections of the region by performing a forward projection process on the 3D representation, wherein each 2D mask projection in the set of 2D mask…
MAGNETORESISTIVE LINEAR POSITION DETECTION IN A RADIATION THERAPY SYSTEM
Granted: April 21, 2022
Application Number:
20220118286
A multileaf collimator includes a plurality of movable leaves for shaping a radiotherapy beam, wherein each leaf is independently movable in a same linear travel direction. Each leaf includes a linear array of magnets disposed on a measurement surface of the leaf and an array of magnetoresistive sensors that is disposed proximate the measurement surfaces of the leaves.
MAGNETORESISTIVE ROTATIONAL POSITION DETECTION IN A RADIATION THERAPY SYSTEM
Granted: April 21, 2022
Application Number:
20220120588
A method of measuring a rotational position of an assembly with circumferential ferromagnetic teeth includes applying an excitation signal for a cycle to an actuator, the cycle causing a first rotational displacement of a first ferromagnetic tooth from a first rotational position to a second rotational position and a second rotational displacement of a second ferromagnetic tooth from the second rotational position to a third rotational position. The method further includes measuring a…
RADIATION TREATMENT PLANNING AND DELIVERY FOR MOVING TARGETS IN THE HEART
Granted: April 21, 2022
Application Number:
20220118285
Methods and systems are disclosed for radiating a moving object. The method may comprise acquiring a plurality of indicators of the phase of a physiological cycle of a patient and a plurality of images of the patient that include a target. Each image may be taken at a different phase of the physiological cycle and may be registered to the phase at which the image was taken. The method may also include identifying the target in each of the plurality of images, calculating a dose of…
METHODS AND SYSTEMS FOR RADIOTHERAPY TREATMENT PLANNING BASED ON DEEP TRANSFER LEARNING
Granted: February 17, 2022
Application Number:
20220051781
Example methods and systems for deep transfer learning for radiotherapy treatment planning are provided. One example method may comprise: obtaining (310) a base deep learning engine that is pre-trained to perform a base radiotherapy treatment planning task; and based on the base deep learning engine, generating a target deep learning engine to perform a target radiotherapy treatment planning task. The target deep learning engine may be generated by configuring (330) a variable base layer…
METHODS OF USE OF ULTRA-HIGH DOSE RATE RADIATION AND THERAPEUTIC AGENT
Granted: January 13, 2022
Application Number:
20220008750
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…
RADIATION THERAPY SYSTEM USING A DIGITAL TOMOSYNTHESIS PROCESS FOR NEAR REAL-TIME LOCALIZATION
Granted: December 23, 2021
Application Number:
20210393989
A method of radiation therapy comprises, while a gantry of a radiation therapy system rotates continuously in a first direction through a treatment arc from a first treatment delivery position to a second treatment delivery position, causing an imaging X-ray source mounted on the gantry to direct X-rays through a target volume and receiving a set of X-ray projection images from an X-ray imager mounted on the gantry; determining a current location of the target volume based on the set of…
USING REINFORCEMENT LEARNING IN RADIATION TREATMENT PLANNING OPTIMIZATION TO LOCATE DOSE-VOLUME OBJECTIVES
Granted: December 9, 2021
Application Number:
20210379404
A reinforcement learning agent facilitates optimization of a radiation-delivery treatment plan. The reinforcement learning agent is configured to generate a radiation-delivery treatment plan that can exceed the quality of a plan or plans employed to train the reinforcement learning agent. The reinforcement learning agent is trained to evaluate a radiation-delivery treatment plan that is output by an optimization software application, modify one or more dose-volume objective parameters of…
TIME-DOMAIN INTERLEAVING OF IMAGING AND TREATMENT X-RAYS IN A RADIATION THERAPY SYSTEM
Granted: November 18, 2021
Application Number:
20210353964
Time-domain interleaving of treatment X-rays and imaging X-rays during an image guided radiation therapy (IGRT) process in a radiation therapy system prevents scatter of the treatment X-rays from degrading the quality of X-ray images used to generate volumetric image data of a target volume. Imaging X-rays are delivered to the target volume during one or more imaging intervals, and one or more pulses of treatment X-rays are delivered to the target volume between the imaging intervals. In…
ELECTRONIC SHUTTER IN A RADIATION THERAPY SYSTEM
Granted: November 11, 2021
Application Number:
20210346723
In a radiation therapy system, treatment X-rays are delivered to a target volume at the same time that imaging X-rays are also delivered to the target volume for generating image data of the target volume. That is, during an imaging interval in which imaging X-rays are delivered to the target volume, one or more pulses of treatment X-rays are also delivered to the target volume. In each pixel of an X-ray imaging device of the radiation therapy system, image signal is accumulated during…
PATIENT SUPPORTS FOR MEDICAL TREATMENTS
Granted: October 7, 2021
Application Number:
20210308483
A patient supporting device includes: a base; a positioner; a platform having a first end and a second end; and a controller; wherein the positioner is operable by the controller to place the platform at one of a first plurality of possible positions or at one of a second plurality of possible positions, wherein in any of the first plurality of possible positions, the second end of the platform is closer to one of a left side and a right side of a treatment machine; wherein in any of the…
Color-Coded Polymeric Particles of Predetermined Size for Therapeutic and/or Diagnostic Applications and Related Methods
Granted: September 30, 2021
Application Number:
20210299056
Various embodiments are directed to color-coded and size-calibrated polymeric particles comprising an acrylate-based hydrogel core incorporating one or more chromophores of interest, and an outer shell comprising polyphosphazenes of formula I, useful for various therapeutic and/or diagnostic procedures. In various embodiments, the color-coded and size-calibrated polymeric particles can be employed in any particle-mediated procedure, including as embolic agents, dermal fillers, and…
RADIOTHERAPY TREATMENT PLANNING BASED ON TREATMENT DELIVERY EFFICIENCY
Granted: September 30, 2021
Application Number:
20210299469
Example methods and systems for radiotherapy treatment planning based on treatment delivery efficiency are described. One example method may comprise a computer system configuring dosimetric planning objective(s) and non-dosimetric planning objective(s) associated with efficiency of treatment delivery. A set of multiple treatment plan variants may be generated based on the dosimetric planning objective(s) and non-dosimetric planning objective(s). A first treatment plan associated with a…
