Radiation therapy knowledge exchange
Granted: October 25, 2022
Patent Number:
11481728
A method for implementing a radiation therapy knowledge exchange starts with searching a database of cases studies and selecting a case study. The selected case study is downloaded. The downloaded case study is applied to a medical case, wherein the downloaded case is applied using deformable image registration to deform reference images of the downloaded case to medical images of the medical case. After application of the downloaded case study, the medical case is uploaded to the…
Particle beam gun control systems and methods
Granted: October 25, 2022
Patent Number:
11478664
Presented systems and methods facilitate efficient and effective monitoring of particle beams. In some embodiments, a radiation gun system comprises: a particle beam gun that generates a particle beam, and a gun control component that controls the gun particle beam generation characteristics, including particle beam fidelity characteristics. The particle beam characteristics can be compatible with FLASH radiation therapy. Resolution control of the particle beam generation can enable dose…
Imagers in radiation therapy environment
Granted: October 25, 2022
Patent Number:
11478663
An imager includes: an array of imager elements configured to generate image signals based on radiation received by the imager; and circuit configured to perform readout of image signals, wherein the circuit is configured to be radiation hard. An imager includes: an array of imager elements configured to generate image signals based on the radiation received by the imager; and readout and control circuit coupled to the array of imager elements, wherein the readout and control circuit is…
Trajectory optimization using dose estimation and conflict detection
Granted: October 25, 2022
Patent Number:
11478661
Systems and methods for radiation treatment planning can include a computing system determining an estimate of a radiation dose distribution within an anatomical region of a patient, and determining a cost matrix representing an objective function, using the estimate of the radiation dose distribution. The computing system can project the cost matrix on each of a plurality of fluence planes. Each of the plurality of fluence planes can be associated with a corresponding gantry-couch…
Knowledge-based automatic image segmentation
Granted: September 27, 2022
Patent Number:
11455732
A method for medical image segmentation. The method includes accessing and updating a knowledge-base in accordance with embodiments of the present invention. The techniques include: receiving a medical image and computing a sparse landmark signature based on the medical image content. Next, a knowledge-base is searched for representative matches to form a base set, wherein the base set comprises a plurality of reference image sets. A portion of the plurality of reference image sets of…
Interactive and intuitive method to shape 3D dose distribution during optimization of IMRT plans
Granted: September 20, 2022
Patent Number:
11449208
New techniques are described herein for providing a user-friendly interface for adjusting dose distribution values during optimization of a radiation application plan. In an embodiment, a graphical user interface is provided that provides an image of a target area for a radiation application, and a graphical overlay of a dose distribution disposed over the target area that visually represents the optimized dose distribution according to the input dose parameters. In one or more…
Hybrid trajectory and beam angle optimization for external beam radiation therapy
Granted: September 13, 2022
Patent Number:
11439842
A method of determining treatment geometries for a radiotherapy treatment includes providing a patient model having one or more regions of interest (ROIs); defining a delivery coordinate space (DCS); for each beam's eye view (BEV) plane of each vertex in the DCS, and for each ROI, evaluating a dose of the ROI using transport solutions; evaluating a BEV scores of each pixel of the BEV plane using the doses of the one or more ROIs; determining one or more BEV regions in the BEV plane based…
Method and system for remote monitoring of proton beam emitting and delivery system
Granted: September 13, 2022
Patent Number:
11445594
A remote diagnostic monitoring of operating states for physical components of a particle accelerator system includes obtaining, by a processor at a first physical location, one or more operating states corresponding to one or more physical components associated with a particle emitting system and a particle delivery system each located at a second physical location remote from the first physical location, associating the operating states with corresponding operating indicators,…
Systems and methods for treating a lung of a patient using guided radiation therapy or surgery
Granted: September 13, 2022
Patent Number:
11439847
Systems and methods for treating a lung of a patient. One embodiment of a method comprises positioning a leadless marker in the lung of the patient relative to the target, and collecting position data of the marker. This method further comprises determining the location of the marker in an external reference frame outside of the patient based on the collected position data, and providing an objective output in the external reference frame that is responsive to movement of the marker. The…
Knowledge based treatment planning corrected for biological effects
Granted: September 13, 2022
Patent Number:
11439843
Solutions are provided herein that specifically accounts for biological effects of tissue during radiation planning (such as treatment planning). In one or more embodiments, the biological effects may be calculated by accessing a knowledge base to determine reference data comprising at least one biological characteristic corresponding to the at least one organ, predicting a biological effect for the plurality of identified structures based on the biological characteristic corresponding…
Imaging based calibration systems, devices, and methods
Granted: May 10, 2022
Patent Number:
11324970
Systems, devices, and methods for imaging-based calibration of radiation treatment couch position compensations.
Display screen of an electronic device with a graphical user interface
Granted: May 10, 2022
Patent Number:
D951274
Systems and methods for interactive control of window/level parameters of multi-image displays
Granted: April 26, 2022
Patent Number:
11315529
A technology enables interactive control of simultaneously displayed multiple images with high dynamic ranges, which software automation processes are programmed to reduce the complexity in managing and viewing the post window/level adjustment of the multiple images. An image control engine provides several synchronous functional capabilities, which comprises an input module, a blending factor synchronization module, a window/level synchronization module, a display module, and an image…
System for non-invasive heart treatment
Granted: April 19, 2022
Patent Number:
11305132
The invention provides a non-invasive method for treatment of arrhythmia. In a first aspect, a method for treatment of atrial fibrillation in a heart of a patient comprises directing radiation from outside the patient toward one or more target treatment regions of the heart so as to inhibit the atrial fibrillation. The radiation may induce isolation of a pulmonary vein.
Cone-beam computed tomography with continuous kV beam acquisition
Granted: April 12, 2022
Patent Number:
11298088
A cone-beam computed tomography (CBCT) method uses a continuous beam and an area detector to carry out fast acquisition of projection data. The acquired projection data are then reconstructed to generate tomographic images. In acquisition of the projection data, a radiation source continuously irradiates a subject with a cone beam of radiation from a plurality of angles and an area detector continuously reads out data. A CBCT system including a source operable to produce a cone beam of…
Radiation treatment planning for delivering high dose rates to spots in a target
Granted: April 5, 2022
Patent Number:
11291859
Information that describes a target inside a patient to be treated with radiation is accessed from computer system memory. An arrangement of spots inside the target is determined. Each the spots corresponds to a location inside the target where a respective beam of radiation is to be directed during radiation treatment of the patient. A dose rate for each of the beams is determined. The dose rate for each beam is a dose delivered in less than one second to a spot corresponding to that…
Generating time-efficient treatment field trajectories for external-beam radiation treatments
Granted: March 29, 2022
Patent Number:
11285339
In a radiation treatment plan that includes a plurality of treatment fields of multiple treatment modalities, such as IMRT modality and dynamic treatment path modality (e.g., VMAT and conformal arc therapy), an optimized spatial point sequence may be determined that optimizes the total treatment time, which includes both the beam-on time (i.e., during the delivery of radiation dose) and the beam-off time (i.e., during transitions between consecutive treatment fields). The result is a…
Systems and methods for automatic treatment planning and optimization
Granted: March 22, 2022
Patent Number:
11278737
Systems and methods for the automatic generation and optimization of radiation therapy treatment plans, and systems and methods for the automatic generation and optimization of an adapted plan in an adaptive radiation therapy workflow.
Motion enable mechanism with capacitive sensor
Granted: March 22, 2022
Patent Number:
11278739
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…
Using isodose surfaces for optimizing dose distribution in radiation treatment planning
Granted: March 22, 2022
Patent Number:
11278738
Cost functions and cost function gradients for use in radiation treatment planning can be computed based on an approximation of an “isodose” surface. Where a clinical goal is expressed by reference to a threshold isodose surface, a corresponding cost function component can be defined directly by reference to that isodose surface, and a corresponding contribution to the cost function gradient can be approximated by identifying voxels that are intersected by the threshold isodose…
