Collision avoidance for radiation therapy
Granted: April 30, 2019
Patent Number:
10272265
An outline of at least a patient on a patient support is determined. Based on at least one image of the patient, a plurality of orientations of the patient support and of at least one device are determined. The at least one device is capable of delivering a radiation treatment to the patient or of performing imaging associated with the radiation treatment. Based on the outline and the plurality of orientations of the patient support and of the at least one device, a clearance zone that…
Generating time-efficient treatment field trajectories for external-beam radiation treatments
Granted: April 30, 2019
Patent Number:
10272264
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…
Knowledge-based automatic image segmentation
Granted: April 23, 2019
Patent Number:
10269122
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…
Time-resolved pre-treatment portal dosimetry systems, devices, and methods
Granted: April 23, 2019
Patent Number:
10265546
Systems, devices, and methods for pre-treatment verification of radiation dose delivery in arc-based radiation therapy devices using a time-dependent gamma evaluation method.
Prefabricated modular radiation therapy vault design
Granted: April 23, 2019
Patent Number:
10265232
A radiotherapy center includes a treatment room and a radiation machine located in the treatment room. The treatment room is constructed with materials comprising a plurality of prefabricated, modular radiation shielding blocks. The radiotherapy center may further include a plurality of functional rooms adjacent to the treatment room. The plurality of functional rooms may be constructed from a plurality of prefabricated modules. The plurality of functional rooms may be arranged in a…
Radiation treatment systems
Granted: April 16, 2019
Patent Number:
10258812
Disclosed are radiation treatment systems with enhanced control architectures that enable more complex treatment plans to be implemented, and radiation treatment systems with enhanced resistance to the effect of neutrons. An exemplary control architectures comprises: a digital packet network; a supervisor electrically coupled to the digital packet network and having a treatment plan; and a plurality of nodes, each node coupled to digital packet network and controlling one or more…
Systems, methods, and devices for high-energy irradiation
Granted: April 9, 2019
Patent Number:
10252083
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…
Apparatus and method using automatic generation of a base dose
Granted: April 9, 2019
Patent Number:
10252081
A control circuit forms a radiation therapy treatment plan by automatically generating a base dose that references dosing information from multiple sources (such as multiple information sources) and then using that base dose to optimize a radiation therapy treatment plan. That radiation therapy treatment plan is then used to administer radiation therapy to a patient. That automatically generated base dose can represent any or all of earlier radiation therapy treatments for the patient, a…
Particle beam monitoring systems and methods
Granted: April 2, 2019
Patent Number:
10245448
Presented systems and methods facilitate efficient and effective monitoring of particle beams. In some embodiments, a system comprises a primary particle beam generator that generates a primary particle beam, and a monitoring component that monitors the primary particle beam. The monitoring component comprises: a reaction component that is impacted by the primary particle beam, wherein results of an impact include creation of secondary photons; a detection component that detects a…
System and method for generating molybdenum-99 and metastable technetium-99, and other isotopes
Granted: March 26, 2019
Patent Number:
10242760
Accelerator based systems are disclosed for the generation of isotopes, such as molybdenum-98 (“99Mo”) and metastable technetium-99 (“99mTc”) from molybdenum-98 (“98Mo”). Multilayer targets are disclosed for use in the system and other systems to generate 99mTc and 98Mo, and other isotopes. In one example a multilayer target comprises a first, inner target of 98Mo surrounded, at least in part, by a separate, second outer layer of 98Mo. In another example, a first target layer…
Method and apparatus pertaining to optimizing a radiation-treatment plan by permitting non-coincidental isocenters
Granted: March 12, 2019
Patent Number:
10226643
A control circuit utilizes patient information and treatment-platform information to optimize a radiation-treatment plan by permitting isocenters of various radiation-treatment fields as comprise parts of a same treatment plan to not be coincidental with one another to thereby yield an optimized treatment plan. The patient information can pertain to one or more physical aspects of the patient as desired. By one approach, the foregoing can comprise scattering the isocenters of the various…
Proton irradiation using spot scanning
Granted: February 26, 2019
Patent Number:
10213625
In one embodiment of the invention, a method for irradiating a target is disclosed. A proton beam is generated using a cyclotron. A first information is provided to an energy selection system. An energy level for the protons is selected using an energy selection system based on the first information. The first information comprises a depth of said target. The proton beam is routed from the cyclotron through a beam transfer line to a scanning system. A second information is provided to…
Method and system for mobile high-energy radiation treatment environment
Granted: February 19, 2019
Patent Number:
10210588
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…
Gantry system for particle beam therapy
Granted: February 12, 2019
Patent Number:
10201719
A particle beam delivery system includes a beam delivery line of charged particle and a gantry body supporting the beam delivery line. The gantry body is rotatably supported by a first support and a second support. The gantry body serves to rotate the beam delivery line about a horizontal axis passing through the first and second supports. The gantry body comprises a cantilevered portion configured to support at least a section of the beam delivery line in a cantilevered manner extended…
Apparatus and method for real-time tracking of bony structures
Granted: February 12, 2019
Patent Number:
10201291
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…
Systems and methods for treating a lung of a patient using guided radiation therapy or surgery
Granted: February 5, 2019
Patent Number:
10195464
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…
Systems and methods for dose calculation in generating radiation treatment plans
Granted: January 29, 2019
Patent Number:
10188873
A first dose calculated using a first set of fluence maps and a first (faster) dose prediction model is accessed. A second fluence map is accessed. The second fluence map is projected onto the first set of fluence maps to deter me set of scalars and a residual value. When the residual value satisfies a criterion, a second dose is calculated using the first dose prediction model, the set of scalars, and the second fluence map. When the residual value does not satisfy the criterion, the…
Radiation systems
Granted: January 29, 2019
Patent Number:
10188356
A radiation system includes a first ring, a radiation source capable of providing radiation suitable for treating a patient, the radiation source secured to the first ring, a second ring located behind the first ring, and an imager secured to the second ring. A radiation system includes a first device having a radiation source capable of generating a radiation beam suitable for treating a patient, and a second device having imaging capability, wherein the first device is oriented at an…
Apparatus and methods for using an electromagnetic transponder in orthopedic procedures
Granted: January 22, 2019
Patent Number:
10182868
Electromagnetic transponders as markers are used to localize and guide orthopedic procedures including: knee replacement, hip replacement, shoulder replacement, damaged bone reconstruction, and spine surgery, and more particularly, to guide orthopedic surgical navigation and alignment techniques and instruments. For example, the marker could further be used in any number of guides or templates that attach to the bony anatomy; such as a surgical guide, cutting guide, cutting jig,…
Shape similarity measure for body tissue
Granted: January 22, 2019
Patent Number:
10186031
A shape similarity metric can be provided that indicates how similar two or more shapes are. A difference between a union of the shapes and an intersection of the shapes can be used to determine the similarity metric. The shape similarity metric can provide an average distance between the shapes. Different processes for determining shapes can be evaluated for accuracy based on the shape similarity metric. New or alternative shape-determining processes can be compared for accuracy against…
