METHODS AND SYSTEMS FOR ESTIMATING SCATTER
Granted: July 28, 2016
Application Number:
20160213345
One example method for estimating scatter associated with a target object may include acquiring a set of original projection data that includes primary radiation and scattered radiation at one or more selected projection angles associated with the target object, generating a first set of estimated scatter data from the set of original projection data, generating reconstructed image data by performing a first pass reconstruction using the first set of estimated scatter data, and…
ELECTRONIC MEDICAL CHART
Granted: July 7, 2016
Application Number:
20160196390
A handheld electronic device includes a network communication device for wirelessly receiving information regarding a plurality of tasks involved in a treatment process for a patient from a database, a processor for processing the information regarding the plurality of tasks, a housing containing the processor, wherein the housing is configured for handheld, and a screen configured to display a graphic using the information regarding the plurality of tasks, the graphic indicating the…
RADIATION SYSTEM WITH ROTATING PATIENT SUPPORT
Granted: May 26, 2016
Application Number:
20160144199
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.
METHODS FOR IMAGE PROCESSING
Granted: January 14, 2016
Application Number:
20160012584
An image processing method includes: obtaining an image that includes a ball image and a cone image; obtaining an estimate of a center of the ball image; converting the image to a converted image using a processor based at least in part on the estimate of the center of the ball image, wherein the converted image comprises a converted ball image that looks different from the ball image in the image, and a converted cone image that looks different from the cone image in the image;…
IMAGE PROCESSING OF IMAGES THAT INCLUDE MARKER IMAGES
Granted: January 7, 2016
Application Number:
20160005178
A method, includes: obtaining an image, the image having marker images and a background image; identifying presence of an object in the background image using a processor; and providing a signal for stopping a procedure if the presence of the object is identified. An image processing apparatus, includes: a processor configured for: obtaining an image, the image having marker images and a background image; identifying presence of an object in the background image; and providing a signal…
BEAM CURRENT VARIATION SYSTEM FOR A CYCLOTRON
Granted: December 10, 2015
Application Number:
20150359081
Beam current variation system for a cyclotron, arranged in the inner centre of the cyclotron, downstream from the ion source generating the charged particle beam, the system comprising a deflector system powered by a voltage and a collimator. The beam is dumped in the collimator, if the deflector system (10; 20, 21) is not powered, and the beam is switched on by powering the deflector system with a voltage.
LOW POWER STANDBY MODE IN WIRELESS IMAGERS
Granted: October 1, 2015
Application Number:
20150276942
This invention describes a novel solution to conserve battery and to overcome cold-start artifacts by maintaining the pixel charge traps at a stable value at all times. The design of NIP photodiode and TFT combination requires very low current (in order of hundreds of ?A) to stay biased at all times. This allows the pixel charge traps to be easily maintained at a stable value with low power consumption. Power consumption is kept at a minimum by keeping all panel electronics off and only…
MULTI LEVEL MULTILEAF COLLIMATOR LEAF TIP SHAPE EFFECTS AND PENUMBRA OPTIMIZATION
Granted: October 1, 2015
Application Number:
20150273239
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. The first direction may…
SYSTEMS, METHODS, AND DEVICES FOR REAL-TIME TREATMENT VERIFICATION USING AN ELECTRONIC PORTAL IMAGING DEVICE
Granted: August 13, 2015
Application Number:
20150224342
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…
Computation of Radiating Particle and Wave Distributions using a Generalized Discrete Field Constructed from Representative Ray Sets
Granted: June 25, 2015
Application Number:
20150177712
The present system and method for simulating particles and waves is useful for calculations involving nuclear and full spectrum radiation transport, quantum particle transport, plasma transport and charged particle transport. The invention provides a mechanism for creating accurate invariants for embedding in general three-dimensional problems and describes means by which a series of simple single collision interaction finite elements can be extended to formulate a complex…
X-RAY HOUSING HAVING INTEGRATED OIL-TO-AIR HEAT EXCHANGER
Granted: May 21, 2015
Application Number:
20150139406
An x-ray housing can include a tubular unitary body having an external fin array adjacent to an internal fin array through a heat exchanger portion of the unitary body, the internal fin array being on a luminal surface of a housing lumen of the unitary body. The external fin array can extend from a first end of the housing to a second end of the housing. The external fin array may be at a discrete and defined location, and extend around only a portion (e.g., 25%) of a circumference or…
FEEDBACK MODULATED RADIATION SCANNING SYSTEMS AND METHODS FOR REDUCED RADIOLOGICAL FOOTPRINT
Granted: May 21, 2015
Application Number:
20150139386
Methods and systems for scanning objects comprising scanning a portion of an object by a first radiation beam having a first value of a beam characteristic, such as the dose, and detecting the first radiation beam after interaction with the object by a first detector. It is determined whether to change the first value to a second value based, at least in part, on the detected first radiation beam. That portion of the object is then scanned by a second radiation beam having the first…
TIME-RESOLVED PRE-TREATMENT PORTAL DOSIMETRY SYSTEMS, DEVICES, AND METHODS
Granted: May 7, 2015
Application Number:
20150124930
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.
SYSTEM AND METHOD FOR TRIGGERING AN IMAGING PROCESS
Granted: April 30, 2015
Application Number:
20150119699
A system for triggering an imaging process, includes: a processing unit that is configured for: obtaining first information regarding a state of a device; processing the first information to determine if the state of the device satisfies a first pre-defined criterion; and generating a signal to cause an imaging process to begin based at least in part on a result from the act of processing. A system for triggering an imaging process, includes: a processing unit that is configured for:…
METHODS FOR IMAGE PROCESSING
Granted: April 2, 2015
Application Number:
20150093011
An image processing method includes: obtaining an image that includes a ball image and a cone image; obtaining an estimate of a center of the ball image; converting the image to a converted image using a processor based at least in part on the estimate of the center of the ball image, wherein the converted image comprises a converted ball image that looks different from the ball image in the image, and a converted cone image that looks different from the cone image in the image;…
METHOD AND SYSTEM FOR MOBILE HIGH-ENERGY RADIATION TREATMENT ENVIRONMENT
Granted: April 2, 2015
Application Number:
20150095045
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…
DECISION SUPPORT TOOL FOR CHOOSING TREATMENT PLANS
Granted: April 2, 2015
Application Number:
20150095044
Patient data can be used to determine input values to different estimation functions for different treatment types. The estimation functions can each be used to estimate one or more outcome values for the respective treatment. A quality score can be determined using the outcome value(s). A first treatment plan having an optimal quality score can be identified, e.g., by displaying the treatment plans with the quality scores, which may correspond to the outcome values.
AUTOMATIC CREATION AND SELECTION OF DOSE PREDICTION MODELS FOR TREATMENT PLANS
Granted: April 2, 2015
Application Number:
20150095043
A dose prediction model can be determined for generating a dose distribution of a treatment plan for irradiating a target structure within a patient. Treatment plans from previous patients can be analyzed to determine D characteristic values to obtain a D dimensional point for each treatment plan. The treatment plans can be clustered based on the D dimensional points. The treatment plans of a cluster can then be used to determine a dose prediction model. A dose prediction model for…
SYSTEM AND METHODS FOR PROCESSING IMAGES TO MEASURE MULTI-LEAF COLLIMATOR, COLLIMATOR JAW, AND COLLIMATOR PERFORMANCE
Granted: April 2, 2015
Application Number:
20150094514
Systems and methods are proposed for accurate and efficient automatic measurement of jaw and leaf positioning in multi-leaf collimator imaging systems. Specifically, the method enables the automated and objective processing of images to determine characteristics of collimator jaws and MLC leaves. These novel techniques enable verification of collimator component positioning to ensure accurate beam modulation for radiation therapy procedures.
Apparatus and Method for Combining Machine Limitations Information with Target Motion Boundary Information
Granted: April 2, 2015
Application Number:
20150094513
A control circuit accesses machine limitations information and target motion boundary information. The control circuit then combines the machine limitations information with the target motion boundary information when acting with respect to a radiation treatment plan. By one approach the control circuit acts with respect to a radiation treatment plan by presenting machine limitation information in combination with target motion boundary information. As another approach, the control…
