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Accuray Incorporated patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "A" | Accuray Incorporated-related inventors


Manipulation of a respiratory model via adjustment of parameters associated with model images

A method and apparatus for manipulation of a respiratory model via adjustment of parameters associated with model images is described. A subset of the images that are used with the model that is associated with the position and motion of a targeted region of the patient to receive radiation treatment may be identified. ... Accuray Incorporated

Beam profile measurement system

A beam profile measurement (bpm) system is described including a bpm phantom including a tank to house liquid, a dosimeter disposed in the tank to detect ionization of a radiation beam emitted from a linear accelerator (linac), and a positioning device to move the dosimeter in a vertical direction. The bpm system also includes a bpm controller to operably couple to the bpm phantom and the linac. ... Accuray Incorporated

Gantry image guided radiotherapy system and related treatment delivery methods

Imaging guided radiation treatment apparatus and methods are described. A method includes processing a first population of x-ray cone beam projection images to compute therefrom a time sequence of sliding-window tomographic image volumes characterized in that each subsequent member of the time sequence is computed using at least one same x-ray cone beam projection image as used in computing at least one previous member of the time sequence. ... Accuray Incorporated

Image registration of treatment planning image, intrafraction 3d image, and intrafraction 2d x-ray image

A method of the present disclosure includes performing, by a processing device, a first image registration between a reference image of a patient and a motion image of the patient to perform alignment between the reference image and the motion image, wherein the reference image and the motion image include a target position of the patient. The method further includes performing, by the processing device, a second image registration between the reference image and a motion x-ray image of the patient, via a first digitally reconstructed radiograph (drr) for the reference image of the patient. ... Accuray Incorporated

Verification of leaf positions for multi-leaf collimator using multiple verification systems

A method includes determining a first estimate of leaf positions for a plurality of leaves of a multi-leaf collimator (mlc) in a reference coordinate space based on an image generated by an image-based aperture verification system, wherein the leaf positions for the plurality of leaves define an aperture for the mlc. The method further includes determining a second estimate of the leaf positions for the plurality of leaves in the reference coordinate space based on data from an additional source. ... Accuray Incorporated

No-view interfraction treatment target motion management using volumetric imaging

A method of the present disclosure includes identifying, based on a reference image, a full motion range of a target, wherein the full motion range of the target defines a full internal target volume (itv). The method further includes identifying a non-target object in a motion image or the reference image. ... Accuray Incorporated

Partial view interfraction treatment target motion management using volumetric imaging

A method of the present disclosure includes identifying, based on a reference image, a full motion range of a target, wherein the full motion range of the target defines a full internal target volume (itv). The method further includes determining, based on a motion image, a partial motion range of the target, wherein the partial motion range is an untracked portion of the full motion range of the target comprising one of an untracked plane or an untracked axis. ... Accuray Incorporated

Coordinated motion of a rotating 2d x-ray imager and a linear accelerator

A method includes determining a first set of positions for a volumetric imager and determining a second set of positions for a linear accelerator (linac), during radiation treatment delivery. The method further includes determining a set of radiation beam directionalities of the linac, wherein for each of the second set of positions for the linac a radiation beam corresponds to a radiation beam directionality. ... Accuray Incorporated

Using a rotating 2d x-ray imager as an imaging device to perform target tracking during radiation treatment delivery

A method includes receiving, from a volumetric imager, a first image including a target of a patient. The method further includes receiving a second image including the target of the patient. ... Accuray Incorporated

Gantry image guided radiotherapy system and related treatment delivery methods

A radiation treatment apparatus, comprising a gantry structure comprising a beam member extending between first and second ends of the gantry structure. The radiation treatment apparatus also includes a radiation treatment head movably mounted to the beam member in a manner that allows (i) translation of the radiation treatment head along the beam member between the first and second ends, and (ii) gimballing of the radiation treatment head relative to the beam member, the gimballing comprising pivotable movement in at least one independent pivot direction defined with respect to the beam member. ... Accuray Incorporated

Localization array position in treatment room coordinate system

Localization array position determination in a treatment room coordinate system is described. A method may include imaging, using an imaging system, a position of one or more markers integrated with a localization array in a treatment room and transforming the position of the one or more markers to a treatment room coordinate system. ... Accuray Incorporated

Treatment couch with localization array

Fiducial localization methods and apparatus are described.. . ... Accuray Incorporated

Systems and methods for selecting a radiation therapy treatment plan

A method of selecting a radiation therapy treatment plan for a patient. The treatment plan is implemented through a radiation delivery system including a gantry capable of rotating around a couch, in which the couch is movable in a linear direction relative to the gantry. ... Accuray Incorporated

Offline angle selection in rotational imaging and tracking systems

A processing device determines a plurality of angles from which tracking images can be generated by an imaging device. The processing device generates a plurality of projections of a treatment planning image of a patient, the treatment planning image comprising a delineated target, wherein each projection of the plurality of projections has an angle that corresponds to one of the plurality of angles from which the tracking images can be taken. ... Accuray Incorporated

03/01/18 / #20180056090

Online angle selection in rotational imaging and tracking systems

A radiation therapy apparatus determines a set of angles that have a tracking quality metric value that satisfies a tracking quality metric criterion. During an alignment phase or a treatment phase for a treatment stage of a target by the radiation therapy apparatus, the radiation therapy apparatus performs selects at least a first angle and a second angle from the set of angles for a first rotation of the gantry. ... Accuray Incorporated

01/18/18 / #20180015306

Tracking a target structure contained within a target volume using an x-ray tomosynthesis imaging detector

Tracking a target structure contained within a target volume using an x-ray tomosynthesis imaging detector is described.. . ... Accuray Incorporated

01/18/18 / #20180015305

Two-dimensional x-ray imaging of a target volume

Methods of two-dimensional x-ray imaging of a target volume and tracking a target structure contained within a target volume are described.. . ... Accuray Incorporated

09/28/17 / #20170273643

Radiation treatment delivery system with translatable ring gantry

Systems, methods, and related computer program products for image-guided radiation treatment (igrt) are described. For one preferred embodiment, an igrt apparatus is provided comprising a ring gantry having a central opening and a radiation treatment head coupled to the ring gantry that is rotatable around the central opening in at least a 180 degree arc. ... Accuray Incorporated

09/07/17 / #20170252579

Linear accelerator with cerenkov emission detector

A radiation treatment system is described, including a linear accelerator (linac), having a housing, to emit a treatment beam to a target location and a cerenkov emission detector, coupled to the housing of the linac, to capture a set of images of optical cerenkov emission generated at the target location by charged particles of the treatment beam. A method is described including emitting the treatment beam from the linac to the target location and capturing, using the cerenkov emission detector coupled to the linac, the set of images of optical cerenkov emission generated at the target location by the treatment beam.. ... Accuray Incorporated

07/27/17 / #20170213337

Manipulation of a respiratory model via adjustment of parameters associated with model images

Imaging data including images associated with a patient may be received. A subset of the images that are used with a model that is associated with the position and motion of a targeted region of the patient to receive radiation treatment may be identified. ... Accuray Incorporated

07/27/17 / #20170209716

Presenting a sequence of images associated with a motion model

Images that are associated with an identification of a tracking target of a patient to receive radiation treatment may be received. The images may be sorted into a sequence based on a motion of the patient. ... Accuray Incorporated

05/11/17 / #20170128744

Frameless radiosurgery treatment system and method

A method of compensating for breathing and other motions of a patient during treatment includes periodically generating internal positional data about an internal target region. The method further includes generating external positional data about external motion of the patient's body using an external sensor and generating a correlation between one or more positions of the internal target region and one or more positions of an external region using the external positional data of the external sensor and the internal positional data of the internal target region. ... Accuray Incorporated








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