Varian Medical Systems Patent Applications

RADIOTHERAPY METHODS, SYSTEMS, AND WORKFLOW-ORIENTED GRAPHICAL USER INTERFACES

Granted: December 14, 2023
Application Number: 20230398378
Disclosed herein are radiotherapy systems and methods that can display a workflow-oriented graphical user interface(s). In an embodiment, a system comprises a radiotherapy machine comprising: a gantry having a screen in communication with a server, the screen configured to display a graphical user interface; and at least one camera, wherein the server is configured to present, in real time, images received from the at least one camera for display on a graphical user interface displayed…

GEOMETRIC ASPECTS OF RADIATION THERAPY PLANNING AND TREATMENT

Granted: November 30, 2023
Application Number: 20230381537
Radiation treatment planning includes determining a number of beams to be directed into a target, determining directions (e.g., gantry angles) for the beams, and determining an energy level for each of the beams. The number of beams, the directions of the beams, and the energy levels are determined such that the beams do not overlap outside the target and the prescribed dose will be delivered across the entire target.

RADIOTHERAPY METHODS, SYSTEMS, AND WORKFLOW-ORIENTED GRAPHICALUSER INTERFACES

Granted: November 23, 2023
Application Number: 20230372738
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 the server for display on a screen associated with a radiotherapy machine, a series of consecutive graphical user interfaces, wherein each graphical user interface displays one or more graphical components corresponding to one or more tasks of one or more stages of a patient's radiotherapy treatment; and when a user…

MOTION ENABLE MECHANISM WITH CAPACITIVE SENSOR

Granted: November 23, 2023
Application Number: 20230372737
A motion-enable device includes a mechanical switch and a capacitive sensor with a sensing region that is located adjacent to the mechanical switch. The mechanical switch enables a first signal when closed or actuated that indicates that the mechanical switch is in an active state. The capacitive sensor enables a second signal when a conductive object is disposed in the sensing region, where the second signal indicates that the capacitive sensor is in an active state. Enablement of…

RADIOTHERAPY METHODS, SYSTEMS, AND WORKFLOW-ORIENTED GRAPHICAL USER INTERFACES

Granted: November 2, 2023
Application Number: 20230347179
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 the…

PHANTOM HOLDER FOR RADIATION THERAPY SYSTEM

Granted: October 19, 2023
Application Number: 20230330437
An apparatus in a radiation therapy system includes: a base configured to support a first quality assurance phantom at a first position and a second quality assurance phantom at a second position; and at least one coupling element. The at least one coupling element is configured to: mate with at least one indexing feature of a first patient treatment couch of the radiation therapy system; and fix a position of the base relative to the first patient treatment couch.

DETERMINING UNCERTAINTY IN RADIATION THERAPY DELIVERED DOSE ACCUMULATION

Granted: October 5, 2023
Application Number: 20230310896
A computer-implemented method of generating dose information for a region of patient anatomy includes determining a first set of dose values for a first three-dimensional (3D) image of the region, wherein each value in the first set of dose values is associated with a different voxel of the first 3D image, and wherein the first 3D image is associated with a specific application of dose to the region; determining a second set of dose values for a representative 3D image of the region,…

ARTIFICIAL INTELLIGENCE BOOSTING DOSE CALCULATIONS

Granted: September 14, 2023
Application Number: 20230290465
Embodiments described herein provide for training an artificial intelligence model to boost dose depositions. The artificial intelligence model receives medical images and a dose deposition determined according to a first dose deposition model. The artificial intelligence model modifies the received dose deposition determined according to the first dose deposition model such that the dose deposition simulates a dose deposition determined by a second dose deposition model.

DRIVING DETERMINISTIC DOSE DEPOSITIONS WITH MONTE CARLO SOURCE MODELING

Granted: September 14, 2023
Application Number: 20230285773
Embodiments described herein provide for coupling Monte Carlo source modeling with deterministic dose calculations. An internal volumetric first scatter distributed source of a patient is determined using Monte Carlo simulations and ingested into one or more dosing algorithms. The dosing algorithms use the source model to determine a dose deposition.

RADIOTHERAPY METHODS, SYSTEMS, AND WORKFLOW-ORIENTED GRAPHICAL USER INTERFACES

Granted: September 7, 2023
Application Number: 20230282347
Disclosed herein are radiotherapy methods and systems that can display a workflow-oriented graphical user interface(s). In an embodiment, a method comprises retrieving, by a server, information from a radiotherapy file associated with a patient, the information comprising an alignment data of at least a treatment region of the patient; presenting, by the server, for display on a graphical user interface, an image corresponding to the patient positioned on a couch of a radiotherapy…

GENERATIVE MOTION MODELING USING EXTERNAL AND INTERNAL ANATOMY INFORMATION

Granted: September 7, 2023
Application Number: 20230282320
Provided herein are methods and systems to train and execute a motion model that uses artificial intelligence methodologies (e.g., deep-learning) to learn and predict location of a patient's internal structures. A method comprises receiving respiratory data of a patient from an electronic sensor in addition to a medical image, such as kV image; executing an artificial intelligence model using the respiratory data and predicting deformation data for at least one internal structure of the…

PROJECTION MAPPING OF RADIATION SUITES

Granted: September 7, 2023
Application Number: 20230277149
A radiation suite includes a room having a floor, a ceiling, and one or more walls, a radiation system including a gantry enclosing a radiation source and a couch, and an image projection system operable to project an image on a projection surface on at least a portion of the gantry and/or the couch, providing a calming environment for a patient to relax. The image projection system comprises a computer and one or more projectors operably controlled by the computer. The computer…

DOSE ASPECTS OF RADIATION THERAPY PLANNING AND TREATMENT

Granted: August 31, 2023
Application Number: 20230271030
Radiation treatment planning includes accessing values of parameters such as a number of beams to be directed into sub-volumes in a target, beam directions, and beam energies. Information that specifies limits for the radiation treatment plan are accessed. The limits include a limit on irradiation time for each sub-volume outside the target. Other limits can include a limit on irradiation time for each sub-volume in the target, a limit on dose rate for each sub volume in the target, and…

RADIOTHERAPY METHODS, SYSTEMS, AND WORKFLOW-ORIENTED GRAPHICAL USER INTERFACES

Granted: August 24, 2023
Application Number: 20230264047
A method comprises presenting, by a server for display on a screen associated with a radiotherapy machine, a series of consecutive graphical user interfaces (GUIs), wherein a first GUI comprises: a first graphical indicator (GI) corresponding to a first attribute associated with configuration of the radiotherapy machine, and a second GI corresponding to a second attribute associated with the patient; when the server receives an indication that a user interacting with a pendant in…

REFILLABLE ION CHAMBER WITH AUTOMATED PURGING SYSTEM

Granted: August 17, 2023
Application Number: 20230260738
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.

RADIOTHERAPY METHODS, SYSTEMS, AND WORKFLOW-ORIENTED GRAPHICAL USER INTERFACES

Granted: July 27, 2023
Application Number: 20230233878
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, for display on a graphical user interface, an image of a position of a patient on a couch of a radiotherapy machine, whereby at least a gantry of the radiotherapy machine is configured to rotate around the patient; calculating, by the server, one or more predicted collisions between a part of the radiotherapy…

NEURAL NETWORK CALIBRATION FOR RADIOTHERAPY

Granted: July 6, 2023
Application Number: 20230211184
Disclosed herein are systems and methods for identifying radiation therapy treatment data for patients. A processor accesses a neural network trained based on a first set of data generated from characteristic values of a first set of patients that received treatment at one or more first radiotherapy machines. The processor executes the neural network using a second set of data comprising characteristic values of a second set of patients receiving treatment at one or more second…

RADIOTHERAPY METHODS, SYSTEMS, AND WORKFLOW-ORIENTED GRAPHICAL USER INTERFACES

Granted: July 6, 2023
Application Number: 20230211183
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…

SINGLE-PASS IMAGING AND RADIATION TREATMENT DELIVERY VIA AN EXTENDED ROTATION GANTRY

Granted: June 29, 2023
Application Number: 20230201631
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.…

RADIOTHERAPY METHODS, SYSTEMS, AND WORKFLOW-ORIENTED GRAPHICAL USER INTERFACES

Granted: June 1, 2023
Application Number: 20230166127
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…