Real Time Touch



new TOP 200 Companies filing patents this week

new Companies with the Most Patent Filings (2010+)




Real Time Touch

Similar
Filing Names

Varian Medical Systems International Ag
Varian Medical Systems International Ag Inc

Varian Medical Systems International Ag patents


Recent patent applications related to Varian Medical Systems International Ag. Varian Medical Systems International Ag is listed as an Agent/Assignee. Note: Varian Medical Systems International Ag may have other listings under different names/spellings. We're not affiliated with Varian Medical Systems International Ag, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "V" | Varian Medical Systems International Ag-related inventors


Radiation treatment planning and execution

An apparatus for use in a treatment planning process or in a treatment process, includes: an input for obtaining a parameter representing a number of beam on-off transitions; and a treatment planner configured to optimize a treatment plan based on parameter representing the number of beam on-off transitions. An apparatus includes: an input configured to obtain a width of a gating window for a treatment plan; and a gating window adjustor configured to adjust the width of the gating window during a treatment session. ... Varian Medical Systems International Ag

Multi level multileaf collimator leaf tip shape effects and penumbra optimization

A multi level multileaf collimator employs leaves with leaf tips having a non-square shape in a beam's eye view to improve beam shaping effect and penumbra performance. The multi level multileaf collimator includes a first multileaf collimator in a first level comprising beam blocking leaves longitudinally movable in a first direction, and a second multileaf collimator in a second level comprising beam blocking leaves longitudinally movable in a second direction. ... Varian Medical Systems International Ag

Medical systems with patient supports

A patient supporting device includes: a base configured to translate in a room; a first member having a first end and a second end, wherein the first end of the first member is rotatably coupled to the base so that the first member is rotatable relative to the base about a first vertical axis; a second member having a first end and a second end, wherein the first end of the second member is rotatably coupled to the second end of the first member so that the second member is rotatable relative to the first member about a second vertical axis; and a platform for supporting a patient, wherein the platform is rotatably coupled to the second end of the second member so that the platform is rotatable relative to the second member about a third vertical axis.. . ... Varian Medical Systems International Ag

Creating treatment field using initial field and patient specific geometry and achievable dose

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. ... Varian Medical Systems International Ag

Controlling and shaping the dose distribution outside treatment targets in external-beam radiation treatments

Streamlined and partially automated methods of setting normal tissue objectives in radiation treatment planning are provided. These methods may be applied to multiple-target cases as well as single-target cases. ... Varian Medical Systems International Ag

Generating time-efficient treatment field trajectories for external-beam radiation treatments

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 time-ordered field trajectory that intermixes and interleaves different treatment fields. ... Varian Medical Systems International Ag

Optimization of radiation treatment plans for optimal treatment time in external-beam radiation treatments

An optimized radiation treatment plan may be developed in which the total monitor unit (mu) count is taken into account. A planner may specify a maximum treatment time. ... Varian Medical Systems International Ag

Image comparison tool tolerant to deformable image matching

An apparatus and method for determining an image similarity based on image features. In one aspect, the image similarity determination is based on an image comparison tool. ... Varian Medical Systems International Ag

Imaging-based self-adjusting radiation therapy systems, devices, and methods

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.. . ... Varian Medical Systems International Ag

Methods and apparatus for the planning and delivery of radiation treatments

Methods and apparatus are provided for planning and delivering radiation treatments by modalities which involve moving a radiation source along a trajectory relative to a subject while delivering radiation to the subject. In some embodiments the radiation source is moved continuously along the trajectory while in some embodiments the radiation source is moved intermittently. ... Varian Medical Systems International Ag

Systems and methods for generating beam-specific planning target volume design outputs

System includes a beam generator to generate beam(s) for patient treatment and a computing device that obtains three-dimensional image(s) of a target structure that repositions with respect to surrounding tissue of the patient. The computing device creates plan(s) including a first three-dimensional probability distribution of patient's position and a second three-dimensional probability distribution of the repositioned structure's internal position. ... Varian Medical Systems International Ag

Radiation treatment platform and method using a portal imaging device to automatically control therapy administration

A portal imaging device is used to determine an amount of radiation that is delivered to at least one point while administering a radiation treatment therapy to a patient. Upon detecting that the amount of radiation that is delivered to that at least one point exceeds a predetermined amount of radiation (for example, a planned amount of radiation per the radiation treatment plan), administration of radiation treatment therapy to the patient can be automatically halted.. ... Varian Medical Systems International Ag

Dose-distribution estimation in proton therapy

A system for estimating a dose from a proton therapy plan includes a memory that stores machine instructions and a processor coupled to the memory that executes the machine instructions to subdivide a representation of a volume of interest in a patient anatomy traversed by a planned proton field into a plurality of voxels. The processor further executes the machine instructions to determine the distance from the source of the planned proton beam to one of the voxels. ... Varian Medical Systems International Ag

Systems and methods for detecting and/or measuring motion and position associated with a patient

An apparatus for patient position or motion monitoring includes: an energy source configured to emit energy from a first location to a second location, or vice versa, wherein the second location that is moveable relative to the first location in response to a movement by a patient; and a processing unit coupled to receive an input that is based on the emitted energy, and to determine a characteristic associated with the patient based on the input.. . ... Varian Medical Systems International Ag

10/05/17 / #20170281975

Collision avoidance for radiation therapy

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. ... Varian Medical Systems International Ag

10/05/17 / #20170281974

Method and apparatus pertaining to treating a patient using heavy particles

A heavy-particle treatment system exposes a patient's treatment volume, during the course of a single treatment session, to beams of heavy particles from a variety of different angles. The source of heavy particles may rotate about the patient to facilitate that variety of different angles. ... Varian Medical Systems International Ag

10/05/17 / #20170281971

Method and apparatus pertaining to radiation-treatment plan optimization

A radiation-treatment plan that comprises a plurality of dose-delivery fractions can be optimized by using fraction dose objectives and at least one other, different dose objective. This use of fraction dose objectives can comprise accumulating doses delivered in previous dose-delivery fractions. ... Varian Medical Systems International Ag

09/28/17 / #20170278277

Methods and systems for improving image quality of projection image data acquired using flat panel detectors

One example method to improve image quality of projection image data may include obtaining projection image data and channel offset data associated with the projection image data. The channel offset data may be acquired using the flat panel detector and include at least one set of channel offset data values associated with respective channels of the flat panel detector. ... Varian Medical Systems International Ag

09/28/17 / #20170274224

Method and apparatus pertaining to optimizing a radiation-treatment plan by permitting non-coincidental isocenters

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. ... Varian Medical Systems International Ag

09/21/17 / #20170266462

Systems and methods for generating beam-specific planning target volume design outputs

System includes a beam generator to generate beam(s) for patient treatment and a computing device that obtains three-dimensional image(s) of a target structure that repositions with respect to surrounding tissue of the patient. The computing device creates plan(s) including a first three-dimensional probability distribution of patient's position and a second three-dimensional probability distribution of the repositioned structure's internal position. ... Varian Medical Systems International Ag

08/31/17 / #20170249740

5d cone beam ct using deformable registration

An apparatus includes: an input configured to receive a plurality of images, wherein the images include respective sub-images of a bodily part of a subject, and wherein a position of the bodily part relates to a breathing movement and a cardiac movement of the subject; a first registration engine configured to determine a first registration of at least two breathing correlated images, wherein the at least two breathing correlated images comprise two of the plurality of images or are derived from at least some of the plurality of images; a second registration engine configured to determine a second registration of at least two cardiac correlated images; and a volumetric image generator configured to generate a volumetric image using the first registration and the second registration.. . ... Varian Medical Systems International Ag

08/10/17 / #20170225015

Systems, methods, and devices for radiation beam alignment and radiation beam measurements using electronic portal imaging devices

Systems and methods for using electronic portal imaging devices (epids) as absolute radiation beam measuring devices and as radiation beam alignment devices without implementation of elaborate and complex calibration procedures.. . ... Varian Medical Systems International Ag

07/13/17 / #20170200276

Systems and methods for evaluating motion tracking for radiation therapy

An apparatus includes: a processor configured for obtaining a first image that corresponds with a first multi-leaf collimator (mlc) configuration, wherein the first image is generated when the mlc is stationary, obtaining a second image that corresponds with a second mlc configuration, wherein the second image is generated when the mlc and/or another component of a radiation machine is being operated to track a motion, and performing an analysis based at least in part on the first image and the second image to obtain a result; and a non-transitory medium for storing the result.. . ... Varian Medical Systems International Ag

05/11/17 / #20170128750

Imaging based calibration systems, devices, and methods

Systems, devices, and methods for imaging-based calibration of radiation treatment couch position compensations.. . ... Varian Medical Systems International Ag

04/06/17 / #20170097757

Systems and methods for generating workflow outputs

A system generally includes at least one computing device having a user interface and a display interface. The computing device is configured to generate at least one desktop that can be viewed by a user via the display interface and to access a plurality of functionality modules that are each configured to receive at least one radiotherapy parameter. ... Varian Medical Systems International Ag

04/06/17 / #20170095678

Systems and methods for quantifying radiation beam conformity

A method for quantifying radiation beam conformity includes: obtaining first information regarding a prescribed aperture; obtaining second information regarding an actual aperture defined by components of a collimator; and determining, using a processing unit, a metric based on the first information regarding the prescribed aperture and the second information regarding the actual aperture, wherein the metric indicates an amount of over-exposed aperture area, an amount of under-exposed aperture area, or both, and wherein the processing unit comprises one or more input for receiving the first and second information, and comprises a metric determination module configured to determine the metric based on the first information and the second information.. . ... Varian Medical Systems International Ag

04/06/17 / #20170095201

Methods and apparatus for the planning and delivery of radiation treatments

Methods and apparatus are provided for planning and delivering radiation treatments by modalities which involve moving a radiation source along a trajectory relative to a subject while delivering radiation to the subject. In some embodiments the radiation source is moved continuously along the trajectory while in some embodiments the radiation source is moved intermittently. ... Varian Medical Systems International Ag

04/06/17 / #20170095197

Patient setup using respiratory gated and time resolved image data

A method for patient setup includes: obtaining a first two-dimensional movie having a first plurality of image frames; obtaining a first plurality of two-dimensional images; and displaying the first plurality of two-dimensional images together with the image frames from the first two-dimensional movie in an overlay configuration and in a synchronized manner, wherein the act of displaying is performed during a patient setup procedure. A method for patient setup includes: obtaining a plurality of three-dimensional images; obtaining a first two-dimensional movie having a first plurality of image frames; determining a first plurality of two-dimensional images from the plurality of three-dimensional images; and displaying the first plurality of two-dimensional images together with the image frames from the first two-dimensional movie in an overlay configuration and in a synchronized manner, wherein the act of displaying is performed during a patient setup procedure.. ... Varian Medical Systems International Ag

03/30/17 / #20170091387

Clinical goal treatment planning and optimization

An apparatus for developing an intensity-modulated radiation therapy treatment plan includes a memory that stores machine instructions and a processor that executes the machine instructions to receive a clinical goal associated with the treatment plan as a user input. The processor further executes the machine instructions to determine a plan objective based on the clinical goal, generate a cost function comprising a term based on the plan objective, and assign an initial value to a parameter associated with the term. ... Varian Medical Systems International Ag

03/30/17 / #20170087388

Apparatus and method for employing a multi-leaf collimator while administering a radiation dose

These teachings provide for administering a radiation treatment plan to a patient in a single radiation treatment session using a multi-leaf collimator that is comprised of pairs of selectively movable collimating leaves. By one approach this comprises administering a sequential plurality of modulated radiation doses to the patient, where the sequential plurality of modulated radiation doses comprises at least a substantial majority of a planned total radiation dose for the radiation treatment session and where each modulated radiation dose is administered while modulating a radiation beam with the multi-leaf collimator using a curtain pattern (or, perhaps more typically, a plurality of curtain patterns).. ... Varian Medical Systems International Ag

03/30/17 / #20170087387

Method and apparatus to employ a multi-layer multi-leaf collimator when administering a radiation therapy treatment

A control circuit administers a radiation treatment plan that specifies a planned total radiation dose for a radiation treatment session for a given patient by modulating a radiation beam with at least one high-resolution aperture that is formed using one of a plurality of linearly-sequential high-resolution aperture possibilities. By one approach the foregoing comprises modulating the radiation beam using at least substantially only high-resolution apertures that are formed using a plurality of the linearly-sequential high-resolution aperture possibilities. ... Varian Medical Systems International Ag

03/30/17 / #20170087385

Accounting for imaging-based radiation doses

A radiation-treatment plan to treat a treatment target in a given patient takes into account imaging-based dosing of that patient by, for example, automatically accounting for radiation dosing of the given patient that results from imaging to determine at least one physical position of the given patient when forming the radiation-treatment plan. These teachings are particularly beneficial when applied in application settings where the aforementioned imaging comprises obtaining images using megavoltage-sourced radiation. ... Varian Medical Systems International Ag

03/30/17 / #20170087384

Method and apparatus for using a multi-layer multi-leaf collimation system

A multi-layer multi-leaf collimation system includes at least a first layer of collimation leaves that are vertically offset with respect to a second layer of collimation leaves. A control circuit generates a preliminary radiation treatment plan using a model of a radiation therapy treatment platform using a single-layer multi-leaf collimation system following which the control circuit generates a final radiation treatment plan that takes into account at least a second layer of collimation leaves. ... Varian Medical Systems International Ag

03/30/17 / #20170087383

Radiation therapy treatment planning and usage

A control circuit forms a radiation therapy treatment plan. By one approach this comprises displaying a structure dose volume histogram on a display and detecting when a user directly manipulates the displayed structure dose volume histogram. ... Varian Medical Systems International Ag

03/30/17 / #20170087382

Apparatus and method using automatic generation of a base dose

A control circuit forms a radiation therapy treatment plan by automatically generating a base dose that references dosing information from multiple 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. ... Varian Medical Systems International Ag

03/23/17 / #20170084041

Automatic quality checks for radiotherapy contouring

Systems, devices, methods, and computer processing products for automatically checking for errors in segmentation (contouring) using heuristic and/or statistical evaluation methods.. . ... Varian Medical Systems International Ag

03/23/17 / #20170084030

Shape similarity measure for body tissue

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. ... Varian Medical Systems International Ag

03/23/17 / #20170080254

Dosimetric end-to-end verification devices, systems, and methods

Dosimetrical end-to-end quality assurance devices, systems, and methods for radiation devices using x-ray imaging, optical surface imaging, and electromagnetic navigational systems to position the quality assurance device either absolute or relative in space.. . ... Varian Medical Systems International Ag

03/23/17 / #20170079610

Automatice exposure control for x-ray imaging

In an x-ray imaging method, the acquisition of a signal image is split off into acquisition of two or more subimages or frames. The first subimage may be acquired with an exposure of a low dose followed by a readout cycle. ... Varian Medical Systems International Ag

03/16/17 / #20170072221

Knowledge based multi-criteria optimization for radiotherapy treatment planning

A method of generating a treatment plan for treating a patient with radiotherapy, the method includes obtaining a plurality of sample plans, which are generated by use of a knowledge base comprising historical treatment plans and patient data. The method also includes performing a multi-criteria optimization based on the plurality of sample plans to construct a pareto frontier, where the plurality of sample plans are evaluated with at least two objectives measuring qualities of the plurality of sample plans such that treatment plans on the constructed pareto frontier are pareto optimal with respect to the objectives. ... Varian Medical Systems International Ag

03/02/17 / #20170056687

Memory and apparatus pertaining to the automated calculation of supplemental patient volume information

A control circuit that operably couples to a memory having a radiation-treatment plan stored therein that is based upon a particular patient volume receives subsequent information regarding that particular patient volume and automatically uses that subsequent information to calculate supplemental patient volume information to be used by the radiation-treatment plan. By one approach this supplemental patient volume information comprises replacement information to be used in lieu of the presumed patient volume information. ... Varian Medical Systems International Ag

03/02/17 / #20170055931

Methods and systems for image artifacts reduction

One example method to reduce image artifacts, which may include obtaining measured projection data acquired using an imaging system. The measured projection data is associated with a target object and an artifact source within a radiation field of the imaging system. ... Varian Medical Systems International Ag

02/16/17 / #20170043181

Methods and apparatus for the planning and delivery of radiation treatments

Methods for planning delivery of radiation dose to a target region within a subject comprise: initializing a first plurality of control points located on a trajectory, the trajectory comprising relative movement between a radiation source and the subject, wherein initializing the first plurality of control points comprises assigning, to each the first plurality of control points, one or more axis positions which specify a position of the radiation source relative to the subject; specifying a second plurality of control points along the trajectory, the second plurality of control points comprising a larger number of control points than the first plurality of control points; and iteratively optimizing a stimulated dose distribution over the second plurality of control points to thereby determine a radiation delivery plan by assigning each of the second plurality of control points optimized values for one or more radiation delivery parameters.. . ... Varian Medical Systems International Ag

01/12/17 / #20170011546

Methods and systems for three-dimensional visualization of deviation of volumetric structures with colored surface structures

Embodiments of the present disclosure are directed to methods and computer systems for converting datasets into three-dimensional (“3d”) mesh surface visualization, displaying the mesh surface on a computer display, comparing two three-dimensional mesh surface structures by blending two primary different primary colors to create a secondary color, and computing the distance between two three-dimensional mesh surface structures converted from two closely-matched datasets. For qualitative analysis, the system includes a three-dimensional structure comparison control engine that is configured to convert dataset with three-dimensional structure into three-dimensional surfaces with mesh surface visualization. ... Varian Medical Systems International Ag

01/05/17 / #20170001038

Methods and apparatus for the planning and delivery of radiation treatments

Systems for planning delivery of radiation dose to a target region within a subject comprise a processor configured to: initialize a first plurality of control points located on a trajectory, the trajectory comprising relative movement between a radiation source and the subject, wherein initializing the first plurality of control points comprises assigning, to each the first plurality of control points, one or more axis positions which specify a position of the radiation source relative to the subject; specify a second plurality of control points along the trajectory, the second plurality of control points comprising a larger number of control points than the first plurality of control points; and iteratively optimize a simulated dose distribution over the second plurality of control points to thereby determine a radiation delivery plan by assigning each of the second plurality of control points optimized values for one or more radiation delivery parameters.. . ... Varian Medical Systems International Ag

01/05/17 / #20170001037

Methods and apparatus for the planning and delivery of radiation treatments

Systems for planning delivery of radiation dose to a target region within a subject comprise a processor configured to: iteratively optimize a simulated dose distribution relative to a set of one or more optimization goals comprising a desired dose distribution in the subject over a first plurality of control points located on a trajectory, the trajectory comprising relative movement between a treatment radiation source and the subject; reach one or more initial termination conditions, and after reaching the one or more initial termination conditions: specify a second plurality of control points along the trajectory, the second plurality of control points comprising a larger number control points than the first plurality of control points; and iteratively optimize a simulated dose distribution relative to the set of one or more optimization goals over the second plurality of control points to thereby determine a radiation delivery plan.. . ... Varian Medical Systems International Ag

01/05/17 / #20170001036

Methods and apparatus for the planning and delivery of radiation treatments

Methods for planning delivery of radiation dose to a target region within a subject comprise: iteratively optimizing a simulated dose distribution relative to a set of one or more optimization goals comprising a desired dose distribution in the subject over a first plurality of control points located on a trajectory, the trajectory comprising relative movement between a radiation source and the subject; reaching one or more initial termination conditions, and after reaching the one or more initial termination conditions: specifying a second plurality of control points along the trajectory and comprising a larger number control points than the first plurality of control points; and iteratively optimizing a simulated dose distribution relative to the set of one or more optimization goals over the second plurality of control points to thereby determine a radiation delivery plan.. . ... Varian Medical Systems International Ag

01/05/17 / #20170001035

Methods and apparatus for the planning and delivery of radiation treatments

Systems for delivering radiation dose to a target area within a subject comprise: a radiation source for outputting a radiation beam; a support for supporting the subject; a movement mechanism for moving the radiation source relative to the subject along a trajectory; and a controller configured to cause, according to a radiation delivery plan: the radiation source to deliver the radiation beam to the subject while causing the movement mechanism to effect relative movement between the radiation source and the subject along the trajectory; and the radiation source to vary an intensity of the radiation beam by varying a radiation output rate of the radiation source according to the radiation delivery plan over at least a portion of the trajectory while causing the movement mechanism to effect relative movement between the radiation source and the subject, to thereby deliver dose to the subject according to the radiation delivery plan.. . ... Varian Medical Systems International Ag

01/05/17 / #20170001034

Methods and apparatus for the planning and delivery of radiation treatments

Methods for delivering radiation dose to a target area within a subject comprise: defining a trajectory comprising relative movement between a treatment radiation source and the subject and determining a radiation delivery plan; and, while effecting relative movement between the treatment radiation source and the subject along the trajectory, delivering a treatment radiation beam from the treatment radiation source to the subject according to the radiation delivery plan to impart a dose distribution on the subject. Delivering the treatment radiation beam from the treatment radiation source to the subject comprises varying an intensity of the treatment radiation beam over at least a portion of the trajectory. ... Varian Medical Systems International Ag

01/05/17 / #20170001033

Methods and apparatus for the planning and delivery of radiation treatments

Systems for delivering radiation dose to a target area within a subject comprise: a radiation source for outputting a radiation beam; a support for supporting the subject; a movement mechanism for moving the radiation source relative to the subject along a trajectory; one or more sensors for monitoring a position of the subject; and a controller configured, in accordance with a radiation delivery plan, to: determine the position from one or more signals received from the one or more sensors; deactivate delivery of the treatment radiation beam upon determining that the position is outside of an acceptable range; and reactivate delivery of the treatment radiation beam upon determining that the position is within the acceptable range, to thereby deliver dose to the subject according to the radiation delivery plan.. . ... Varian Medical Systems International Ag








ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009



###

This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. Freshpatents.com is not affiliated or associated with Varian Medical Systems International Ag in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Varian Medical Systems International Ag with additional patents listed. Browse our Agent directory for other possible listings. Page by FreshPatents.com

###