Creating treatment field using initial field and patient specific geometry and achievable dose
Granted: August 31, 2021
Patent Number:
11103726
Methods and systems are provided for developing radiation therapy treatment plans. A treatment template with radiation fields can be chosen for a patient based on a tumor location. Static radiation field positions can be adjusted for the patient, while arc radiation fields may remain the same. Static radiation field positions can be adjusted using dose gradient, historical patient data, and other techniques.
Method and system applications for push notification
Granted: August 24, 2021
Patent Number:
11102318
Embodiments of the present invention are directed to a method, system, and article of manufacture of a native notification center app that receive all types of push notifications. The push notification payload contains the URL to be launched when touched on the display of a mobile device and the custom data to be passed to the web application on launch. The push message sent to the notification center app and when the app is opened, which lists all the push notifications. When the user…
Heart tissue surface contour-based radiosurgical treatment planning
Granted: August 24, 2021
Patent Number:
11097127
A system that generates a three-dimensional model of a tissue surface, for example the inner surface of the heart from two-dimensional image data slices. On this surface, one or more pattern lines are drawn, e.g., by a physician using a user interface, to designate desired lesion(s) on the surface. From the pattern lines, a three-dimensional volume for a lesion can be determined using known constraints. Advantageously, the series of boundaries generated by the three-dimensional volume…
Systems, methods, and devices for real-time treatment verification using an electronic portal imaging device
Granted: August 17, 2021
Patent Number:
11090512
A radiation dose received by a patient from a radiation therapy system can be verified by acquiring a cine stream of image frames from an electronic portal imaging device (EPID) that is arranged to detect radiation exiting the patient during irradiation. The cine stream of EPID image frames can be processed in real-time to form exit images providing absolute dose measurements at the EPID (dose-to-water values), which is representative of the characteristics of the radiation received by…
System and method for biological treatment planning and decision support
Granted: August 17, 2021
Patent Number:
11090508
Embodiments of the present invention provide an integrated solution to radiotherapy treatment planning that enables accurate recording and accumulation of physical parameters as input (e.g., dose, dose rate, irradiation time per voxel, etc.). User-defined functions are evaluated to correlate the input parameters with 4D biological outcomes. The resulting biological parameters can be visualized as a biological outcome map to evaluate decisions, support decisions, and optimize decisions…
Scintillating glass pixelated imager
Granted: August 3, 2021
Patent Number:
11079499
In a method of making pixelated scintillators, a block of an amorphous scintillator material is divided into plural sections. The plural sections of the block are rejoined with plural first reflective septa to form an assembly. In the assembly, each of the plural first reflective septa separates two adjacent sections of the block. The assembly is then divided into plural sections in a way such that each of the plural sections of the block is divided into plural pixels. The plural…
Apparatus and method for real-time tracking of bony structures
Granted: August 3, 2021
Patent Number:
11076776
A method for measuring skin thickness. The method includes at a first 3D point on an outer surface of a patient, exposing the first point to near infrared (NIR) energy from an NIR source. The method includes measuring reflected energy emanating near the first 3D point, or beam incident point. The method includes determining a pattern of the reflected energy based on a distance from a center of the reflected energy, wherein the center is approximated by the first 3D point. The method…
Imaging-based self-adjusting radiation therapy systems, devices, and methods
Granted: July 13, 2021
Patent Number:
11058393
Systems, devices, and methods are presented for automatic tuning, calibration, and verification of radiation therapy systems comprising control elements configured to control parameters of the radiation therapy systems based on images obtained using electronic portal imaging devices (EPIDs) included in the radiation therapy system.
Loadable polymeric particles for therapeutic and/or diagnostic applications and methods of preparing and using the same
Granted: July 6, 2021
Patent Number:
11052050
Particles are provided for use in therapeutic and/or diagnostic procedures. The particles include poly[bis(trifluoroethoxy) phosphazene] and/or a derivatives thereof which may be present throughout the particles or within an outer coating of the particles. The particles can also include a core having a hydrogel formed from an acrylic-based polymer. Barium sulfate may also be provided to the core of the particles as a coating or absorbed within the core of the particles. The particles can…
Radiation therapy planning using integrated model
Granted: July 6, 2021
Patent Number:
11056240
System and method for automatically generate therapy plan parameters by use of an integrate model with extended applicable regions. The integrated model integrates multiple predictive models from which a suitable predictive model can be selected automatically to perform prediction for a new patient case. The integrated model may operate to evaluate prediction results generated by each predictive model and the associated prediction reliabilities and selectively output a satisfactory…
Cone-beam computed tomography imaging devices, systems, and methods
Granted: June 29, 2021
Patent Number:
11045151
Cone-beam computer tomography systems, devices, and methods for image acquisition of large target volumes using partial scans.
Automatic quality checks for radiotherapy contouring
Granted: June 15, 2021
Patent Number:
11037298
Systems, devices, methods, and computer processing products for automatically checking for errors in segmentation (contouring) using heuristic and/or statistical evaluation methods.
Radiation therapy system with multiple X-ray imagers for near real-time localization
Granted: June 8, 2021
Patent Number:
11027153
A radiation therapy system is configured to enable imaging and treatment of a target volume during a single patient breath hold. The radiation system includes a rotating gantry on which are mounted a treatment-delivering X-ray source and multiple imaging X-ray sources and corresponding X-ray imaging devices. The multiple imaging X-ray sources and X-ray imaging devices enable the acquisition of volumetric image data for the target volume over a relatively short rotational arc, for example…
Knowledge-based spatial dose metrics and methods to generate beam orientations in radiotherapy
Granted: June 8, 2021
Patent Number:
11027147
A system for estimating a dose from a radiation therapy plan includes a memory that stores machine-readable instructions and a processor communicatively coupled to the memory, the processor operable to execute the instructions to subdivide a representation of a volume of interest into voxels. The processor also determines distances between a planned radiation field origin and each respective voxel. The processor further computes geometry-based expected (GED) metrics based on the…
Electromagnetic interference containment for accelerator systems
Granted: May 25, 2021
Patent Number:
11017975
An apparatus for coupling to an input connection of an electron gun, the input connection having a heater terminal and a cathode terminal, includes: a connector having a first end and a second end; wherein the first end of the connector is configured to attach to a cable; wherein the second end of the connector is configured to connect to the input connection of the electron gun; and wherein the connector comprises an opening configured to receive the heater terminal of the input…
Imaging devices
Granted: May 25, 2021
Patent Number:
11016202
An imaging device includes: a first scintillator layer; an array of detector elements, wherein the array of detector elements comprises a first detector element; a second scintillator layer configured to receive radiation after the radiation has passed through the first scintillator layer and the array of detector elements, wherein the array of detector elements is located between the first scintillator layer and the second scintillator layer; a first electrode located closer to the…
Method and system for mobile high-energy radiation treatment environment
Granted: May 18, 2021
Patent Number:
11010850
The present invention is directed to a method, system, and article of manufacture of a treatment environment engine on a mobile device to allow performance of workflow tasks inside of a high radiation medical procedure room. The treatment environment engine comprises a capturing module, a synchronization module, and a medical device control console component for capturing data (e.g., images or text) on the mobile device inside the medical procedure room and synchronizing the data via a…
Increased beam output and dynamic field shaping for radiotherapy system
Granted: May 18, 2021
Patent Number:
11007381
Systems and methods provide radiotherapy treatment by focusing an electron beam on an x-ray target (e.g., a tungsten plate) to produce a high-yield x-ray output with improved field shaping. A modified electron beam spatial distribution is employed to scan the x-ray target, such as a 2D periodic beam path, which advantageously lowers the x-ray target temperature compared to the typical compact beam spatial distribution. As a result, the x-ray target can produce a high yield output without…
Interactive dose manipulation using prioritized constraints
Granted: May 11, 2021
Patent Number:
11000697
In a method of interactive manipulation of the dose distribution of a radiation treatment plan, after an initial candidate treatment plan has been obtained, a set of clinical goals are transferred into a set of constraints. Each constraint may be expressed in terms of a threshold value for a respective quality index of the dose distribution. The dose distribution can then be modified interactively by modifying the threshold values for the set of constraints. Re-optimization may be…
Patient object mapping techniques
Granted: May 11, 2021
Patent Number:
11004549
Techniques for the mapping, selection and import of patient medical objects can include receiving metadata of a plurality of patient medical objects from one or more data sources. Metadata icons can be generated for the received metadata of the plurality of patient medical objects. The metadata icons can be filtered based on one or more received criteria. A patient map including the filtered metadata icons can be generated. In addition, the selection of one or more metadata icons in the…
