| Patent application number | Description | Published |
|---|
| 20080232714 | Image deformation using multiple image regions - Disclosed are systems for and methods of registering (i.e., aligning) a deformable image with a reference image subject to a plurality of regions within the deformable and reference images. Different members of the plurality of regions may be used in different phases of a deformation algorithm and the identity of these regions may change between different iterations of the deformation algorithm. In some embodiments, most of an image is used for calculation of the internal force of the demons algorithm while a smaller subset of the image is used for calculating the opposing external force. | 09-25-2008 |
| 20100051824 | Radiation Treatment Trajectory and Planning Methods - A radiation system includes a radiation source, and a patient support for supporting a patient, the patient support located adjacent to the radiation source such that the radiation source can deliver radiation towards the patient while the patient is supported on the patient support, wherein the patient support and the radiation source are positionable at least partially around a same spatial region. A system for use to determine a treatment plan includes a user interface for allowing a user to define a plurality of control points, a first parameter, and a second parameter, wherein the user interface also allows the user to prescribe which of the first and second parameters is to be optimized, and which of the first and second parameters is to be interpolated. | 03-04-2010 |
| 20100054410 | Trajectory optimization method - A method for determining a radiation treatment plan includes defining a part of a treatment using control points, defining dose calculation points, calculating dose in the dose calculation points, and changing a number of the dose calculation points. A method for determining a radiation treatment plan includes modeling a first part of a treatment plan using a fluence map, and modeling a second part of the treatment plan using a first machine parameter. A method for determining a radiation treatment plan includes determining a plurality of dose calculation points, determining a level of complexity of fluence for one of the plurality of dose calculation points, and converting a fluence map to one or more machine parameters for the one of the plurality of dose calculation points based on the determined level of complexity. | 03-04-2010 |
| 20100061510 | Apparatus and Method to Facilitate Adapting a Radiation Treatment Plan - An existing radiation treatment plan is accessed for a given patient as well as first information (such as automatically generated updated information) regarding at least one physical characteristic as corresponds to the radiation treatment of this patient. One then initiates, prior to receiving second information (such as user input) regarding the first information, an automatic adaptation process to adapt the treatment plan to accommodate the first information. Upon later receiving second information regarding the first information, one then modifies the automatic adaptation process itself to incorporate the second information regarding the first information. | 03-11-2010 |
| 20100150309 | REAL TIME TREATMENT PARAMETER ALGORITHM FOR MOVING TARGETS - A method of determining a treatment parameter, includes determining an accumulated dose at a target region that undergoes motion, determining an accumulated dose at a critical region, and determining the treatment parameter based on the determined accumulated dose at the target region and the determined accumulated dose at the critical region, wherein the act of determining the treatment parameter is performed during a treatment session. A method of determining a treatment parameter, includes tracking a position of a target, delivering radiation to the target based on the tracked position, and compensating for an inaccuracy of the tracked position by using information regarding a delivered dose to determine a treatment parameter for a next beam delivery. | 06-17-2010 |
| 20100177870 | TREATMENT PLANNING USING MODULABILITY AND VISIBILITY FACTORS - A method for use in a treatment planning process includes determining a modulability factor, and determining a treatment parameter using the modulability factor. A system for use in a treatment planning process includes a processor, wherein the processor is configured for determining a modulability factor, and determining a treatment parameter using the modulability factor. A method for use in a treatment planning process includes determining a visibility factor, and determining a treatment parameter using the visibility factor. A system for use in a treatment planning process includes a processor, wherein the processor is configured for determining a visibility factor, and determining a treatment parameter using the visibility factor. | 07-15-2010 |
| 20100177871 | RADIATION TREATMENT PLANNING AND EXECUTION THAT CONSIDER THE TYPE OF CRITICAL ORGAN - A method for use in a treatment planning process or in a treatment process includes determining a type of critical organ for healthy tissue, and accumulating dose for the healthy tissue based on the type of critical organ. A method for use in a treatment planning process or in a treatment process includes determining a type of critical organ for healthy tissue, and determining a constraint for the healthy tissue, wherein the constraint is determined based on different movement trajectories and the type of critical organ. | 07-15-2010 |
| 20100183120 | Gated Radiation Procedure Using Packages - A method of delivering radiation in a session includes delivering radiation towards a patient using a radiation system, wherein the radiation is delivered based at least in part on a physiological phase or a position of the patient, after the radiation is delivered, changing a configuration of the radiation system, wherein the act of changing the configuration is performed independent of at least one motion of the patient, and delivering additional radiation towards the patient after the configuration of the radiation system is changed, wherein the acts of delivering radiation and the act of changing the configuration are performed in response to a processor executing a treatment plan that prescribes a plurality of packages and a transition, the transition prescribing the act of changing the configuration of the radiation system when no radiation is being delivered by the radiation system. | 07-22-2010 |
| 20100208867 | APPARATUS AND METHOD TO FACILITATE GENERATING A TREATMENT PLAN FOR IRRADIATING A PATIENT'S TREATMENT VOLUME - One provides ( | 08-19-2010 |
| 20100232572 | USE OF PLANNING ATLAS IN RADIATION THERAPY - A method for determining a radiation treatment plan for a patient includes determining a reference plan, the reference plan including information regarding a reference region that has a different configuration from that of a region in the patient, and using the reference plan to determine the treatment plan for the patient. A method for use in a treatment planning process includes determining a reference plan that includes information regarding a reference region, determining a deformation field that registers the reference region in the reference plan with a region for a patient, and determining a result of using the reference plan as it applies for the patient. | 09-16-2010 |
| 20110006215 | RADIATION SYSTEM WITH ROTATING PATIENT SUPPORT - A patient support system includes a patient support having a surface for supporting a patient and a longitudinal axis, and a positioner coupled to the patient support for positioning the patient support, wherein the positioner is configured to move the patient support along a path that has an arc, circular, or zig-zag shape, and wherein the path lies within a plane that forms an angle with the surface of the patient support. | 01-13-2011 |
| 20110069815 | Method and Apparatus to Facilitate Supplementing a Dose-Volume Histogram Constraint Using an Adaptive Dose-Volume Histogram Constraint - One provides a first dose-volume histogram (DVH) constraint as pertains to controlling localized excessive-radiation dosage with respect to a particular treatment volume. One then automatically determines whether to supplement this constraint by using an adaptive DVH constraint. These teachings will accommodate determining whether to supplement the first DVH constraint, at least in part, by determining whether a user has specified such supplementation (using, for example, a corresponding user interface) by, for example, placing at least one DVH constraint such that the constraint corresponds to a volume fraction at a range boundary. | 03-24-2011 |
