Abstract: 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 radiation beam is outside a specified quality range.

Abstract: An apparatus includes an ion chamber and a valve assembly. The ion chamber may include a housing enclosing a gas and one or more electrodes. The valve assembly is coupled to the ion chamber allowing control of replacement of the gas within the housing.

Abstract: Disclosed herein are radiotherapy methods and systems that can display a workflow-oriented graphical user interface(s). In an embodiment, a method comprises presenting, by a server, a graphical user interface for display on a screen positioned on a gantry of a radiotherapy machine, wherein the graphical user interface comprises a page corresponding to a radiotherapy treatment of a patient, wherein the page comprises a first graphical element indicating at least one attribute of alignment data corresponding to the radiotherapy treatment of the patient.

Abstract: A radiotherapy dose rate monitor system includes an electrode configured to be impinged by radiotherapy radiation, and a current measurement circuit configured to measure a current through the electrode. An emission of secondary electrons emitted from the electrode provides a majority of current through the electrode.

Abstract: Disclosed herein are systems and methods for predicting performance attributes of radiotherapy machines. A processor generates a machine-readable object by executing an algorithm using an electronic log file comprising at least one operational attribute of a radiotherapy machine and a corresponding timestamp. The processor executes a machine learning model using the machine-readable object to predict a performance attribute of the radiotherapy machine. The processor provides the predicted performance attribute of the radiotherapy machine to an electronic device.

Abstract: Embodiments of the present invention describe systems and methods for providing proton therapy treatment using a beam line where the ESS is reduced or eliminated. For multi-room configurations, a beam line is included having quadrupole and steerer magnets to align and focus a particle beam extracted by an accelerator and guided by a bend section. A degrader is disposed between the bend section and the treatment room, and the energy analyzing functionality is performed by the gantry.

Abstract: Systems and methods for real-time target validation during radiation treatment therapy based on real-time target displacement and radiation dosimetry measurements.

Abstract: Disclosed herein are radiotherapy methods and systems that can display a workflow-oriented graphical user interface(s). In an embodiment, a method comprises presenting, by a server, a graphical user interface for display on a screen associated with a radiotherapy machine, wherein the graphical user interface contains a page corresponding to one or more stages of radiotherapy treatment for the patient, and transitioning, by the server, the graphical user interface from a first page representing a first stage to a second page representing a second stage provided that at least a predetermined portion of tasks associated with the first stage has been satisfied.

Abstract: Disclosed herein are radiotherapy systems and methods that can display a workflow-oriented graphical user interface(s). In an embodiment, a system comprises a first display in communication with a server, the first display configured to display a first graphical user interface; a second display in communication with the server, the second display configured to display a second graphical user interface, wherein the server is configured to: present the first graphical user interface for displaying on the first display, wherein the first graphical user interface contains one or more pages corresponding to one or more stages of a radiotherapy treatment, wherein the server transitions from a first page of the one or more pages representing a first stage to a second page of the one or more pages representing a second stage responsive to an indication that at least a predetermined portion of tasks associated with the first stage has been satisfied.

Abstract: A system can have an x-ray source that generates a series of individual x-ray pulses for multi-energy imaging. A first x-ray pulse can have a first energy level and a subsequent second x-ray pulse in the series can have a second energy level different from the first energy level. An x-ray imager can receive the x-rays from the x-ray source and can detect the received x-rays for image generation. A generator interface box (GIB) controls the x-ray source to provide the series of individual x-ray pulses and synchronizes detection by the x-ray imager with generation of the individual x-ray pulses. The GIB can control x-ray pulse generation and synchronization to optimize image generation while minimizing unnecessary x-ray irradiation.

Abstract: A radiotherapy dose rate monitor system includes an emitting electrode configured to be impinged by radiotherapy radiation; a collecting electrode configured to form an electrical circuit with said emitting electrode, a current measurement device configured to measure a current through said emitting and collecting electrodes indicative of a dose of said radiotherapy radiation, and a chamber enclosing a gas. Emission of secondary electrons from the emitting electrode provides a majority of the current.

Abstract: A system for treating a patient during radiation therapy is disclosed. The system includes a shell, a plurality of material inserts disposed in the shell, where each material insert of the plurality of material inserts respectively shapes a distribution of a dose delivered to the patient by a respective beam of a plurality of beams emitted from a nozzle of a radiation treatment system, and a scaffold component disposed in the shell that holds the plurality material inserts in place relative to the patient such that each material insert lies on a path of at least one of the beams.

Abstract: Information associated with a radiation treatment plan includes, for example, values of dose per voxel in a target volume, values of dose rate per voxel in the target volume, and values of parameters used when generating the values of dose per voxel and the values of dose rate per voxel. Renderings that include, for example, a rendering of an image of or including the target volume, and a rendering of selected values of the radiation treatment plan, are displayed. When a selection of a region of one of the renderings is received, a displayed characteristic of another one of the renderings is changed based on the selection.

Abstract: An apparatus for use with a medical system, the medical system comprising a medical device configured to treat and/or image a patient, includes: a camera configured to capture an image of a first mirror, wherein the image of the first mirror contains an image of at least a part of the patient and/or an image of at least a part of the medical system; wherein the camera comprises electronics that are not radiation-hard.

Abstract: 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 portions of the imaging interval in which only imaging X-rays are delivered to the target volume and is prevented from accumulating in each pixel during the pulses of treatment X-rays.

Abstract: Disclosed herein are radiotherapy systems and methods that can display a workflow-oriented graphical user interface(s). In an embodiment, a system comprises a first display in communication with a server, the first display configured to display a first graphical user interface; a second display in communication with the server, the second display configured to display a second graphical user interface, wherein the server is configured to: present the first graphical user interface for displaying on the first display, wherein the first graphical user interface contains one or more pages corresponding to one or more stages of a radiotherapy treatment, wherein the server transitions from a first page of the one or more pages representing a first stage to a second page of the one or more pages representing a second stage responsive to an indication that at least a predetermined portion of tasks associated with the first stage has been satisfied.

Abstract: An example method of radiation therapy in a radiation therapy system that includes a gantry with a treatment-delivering X-ray source and an imaging X-ray source mounted thereon is described. The method includes rotating the gantry in a first direction at a first rotational velocity about an open bore and concurrently rotating an annular support structure at a second rotational velocity about the open bore, wherein the second rotational velocity is less than the first rotational velocity. While continuing to rotate the gantry in the first direction about the open bore from a first position to a treatment position, the method also includes generating multiple images of a target volume disposed in the bore using the imaging X-ray source. Upon rotating the gantry to the treatment position, the method includes initiating delivery of a treatment beam to the target volume with the treatment-delivering X-ray source.

Abstract: Disclosed herein are radiotherapy methods and systems that can display a workflow-oriented graphical user interface(s). A method comprises presenting a plurality of pages for display, each corresponding to a stage of a radiotherapy treatment for a patient; in response to receiving an indication that a surface of a patient is aligned, retrieving, from a radiotherapy file, a first image of an internal target aligned in accordance with treatment attributes; receiving a second image of the internal target; overlaying on a first page of the plurality of pages, the first image and the second image, the first page displaying a direction to position the internal target in the second image to align with the internal target in the first image; and when the internal target is aligned, presenting for display a second page of the plurality of pages corresponding to a subsequent stage of the radiotherapy treatment for the patient.

Abstract: 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 number of beams, the directions of the beams, and the beam energy for each of the beams are determined such that the entire target receives the minimum prescribed dose. The operations further include prescribing a dose rate and optimizing dose rate constraints for FLASH therapy, and displaying a dose rate map of the FLASH therapy.

Abstract: A high-energy radiation treatment system can comprise a laser-driven accelerator system, a patient monitoring system, and a control system. The laser-driven accelerator system, such as a laser-driven plasma accelerator or a laser-driven dielectric microstructure accelerator, can be constructed to irradiate a patient disposed on a patient support. The patient monitoring system can be configured to detect and track a location or movement of a treatment volume within the patient. The control system can be configured to control the laser-driven accelerator system responsively to the location or movement of the treatment volume. The system can also include a beam control system, which generates a magnetic field that can affect the radiation beam and/or secondary electrons produced by the irradiation beam. In some embodiments, the beam control system and the patient monitoring system can comprise a magnetic resonance imaging system.