DOSIMETRIC END-TO-END VERIFICATION DEVICES, SYSTEMS, AND METHODS
Granted: March 26, 2015
Application Number:
20150085993
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.
MULTILEVEL COMPUTED TOMOGRAPHY FOR RADIALLY-SHIFTED FOCAL SPOTS
Granted: March 5, 2015
Application Number:
20150063532
In one example embodiment, a method of volumetric image reconstruction of an examination region includes directing x-rays from an anode of an x-ray device towards the examination region from multiple positions relative to the examination region, including multiple focal spot positions radially shifted relative to the anode. X-rays that have passed through the examination region are detected and first multiple x-ray attenuation values are determined for each of the multiple positions. The…
SYSTEM AND METHOD FOR PATIENT-SPECIFIC MOTION MANAGEMENT
Granted: February 12, 2015
Application Number:
20150045604
A medical method includes: determining a first probability density function related to a first uncertainty in hitting a target in a treatment of the target; determining a second probability density function related to a second uncertainty, wherein the first uncertainty is attributable to a first source of uncertainty, and the second uncertainty is attributable to a second source of uncertainty that is different from the first source of uncertainty; processing at least the first…
INTERLACED MULTI-ENERGY BETATRON WITH ADJUSTABLE PULSE REPETITION FREQUENCY
Granted: February 12, 2015
Application Number:
20150043717
Variable pulse frequency during an output session of a betatron device and adjustable energy from pulse to pulse are provided. A different bias magnetic field may be used for different cycles of an output session, thereby providing different pulse energies. In one example, the bias field can be switched from a positive value to zero, with energy stored in a storage device when the bias field is zero. The bias field can also be used to expand electrons from a stable orbit when the bias…
X-RAY IMAGER WITH CMOS SENSOR EMBEDDED IN TFT FLAT PANEL
Granted: January 1, 2015
Application Number:
20150003584
An x-ray imaging device include a scintillator layer configured to generate light from x-rays, a TFT detector array at the first surface of the scintillator layer to detect light generated in the scintillator, and a CMOS sensor at the second surface of the scintillator layer to detect light generated in the scintillator.
METHOD AND SYSTEM FOR RADIATION APPLICATION
Granted: December 18, 2014
Application Number:
20140371581
A method for generating one or more images includes collecting data samples representative of a motion of an object, acquiring image data of at least a part of the object over a time interval, synchronizing the data samples and the image data to a common time base, and generating one or more images based on the synchronized image data. A method for generating one or more images includes acquiring image data of at least a part of an object over a time interval, associating the image data…
REMOTE CONTROL SYSTEM AND METHOD
Granted: December 18, 2014
Application Number:
20140371512
A remote control system is configured to support communication between a first environment having a first neutron radiation level and a second environment having a second neutron radiation level includes a first computing device and a second computing device. The first computing device is configured to control a treatment system in the first environment. The second computing device is configured to issue commands in the second environment for the treatment system. The first computing…
SYSTEMS AND METHODS FOR AUTOMATIC CREATION OF DOSE PREDICTION MODELS AND THERAPY TREATMENT PLANS AS A CLOUD SERVICE
Granted: November 27, 2014
Application Number:
20140350863
The present invention proposes a method for automatically creating a dose prediction model based on existing clinical knowledge that is accumulated from multiple sources without collaborators establishing communication links between each other. According to embodiments of the claimed subject matter, clinics can collaborate in creating a dose prediction model by submitting their treatment plans into a remote computer system (such as a cloud-based system) which aggregates information from…
APPARATUS AND METHODS FOR USING AN ELECTROMAGNETIC TRANSPONDER IN ORTHOPEDIC PROCEDURES
Granted: October 9, 2014
Application Number:
20140303489
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,…
SYSTEMS AND METHODS FOR MULTI-VIEW IMAGING AND TOMOGRAPHY
Granted: October 2, 2014
Application Number:
20140294147
Radiation scanning systems providing multiple views of an object in different planes and a reconstruction algorithm for reconstructing quasi-three-dimensional images from a limited number of views. A system may include bend magnets to direct accelerated charged particles to multiple targets in different viewing locations. Another system collimates radiation generated by a plurality of radiation sources into multiple beams for scanning an object at multiple angles. The object may be a…
SYSTEMS AND METHODS FOR HIGH-SPEED RADIOGRAPHY WITH HIGH RESOLUTION IMAGING OF LARGE-AREA FIELDS
Granted: September 25, 2014
Application Number:
20140286476
The present invention proposes a high speed radiographic system for use with megavolt linear-accelerator pulsed x-ray sources to produce video images of large-area fields. A linear accelerator is positioned above a field of view. X-ray photons are directed through an object of interest traveling and/or colliding within the field of view. A large area scintillator system, either truly continuous or in large continuous adjacent pieces, converts the x-ray photons that pass through the…
X-RAY IMAGER WITH LENS ARRAY AND TRANSPARENT NON-STRUCTURED SCINTILLATOR
Granted: September 18, 2014
Application Number:
20140264043
An x-ray imager includes a scintillator layer configured to generate light from x-rays, a detector array configured to detect light generated in the scintillator layer, and a lens array situated between the scintillator layer and the detector array. The lens array may be configured to collect light and focus the collected light to the detector array.
COMPACT PROTON THERAPY SYSTEM WITH ENERGY SELECTION ONBOARD A ROTATABLE GANTRY
Granted: September 18, 2014
Application Number:
20140275699
Systems and apparatuses for providing particle beams for radiation therapy with a compact design and suitable to a single treatment room. The radiation system comprises a stationary cyclotron coupled to a rotating gantry assembly through a beam line assembly. The system is equipped with a single set of dipole magnets that are installed on the rotating gantry assembly and undertakes the dual functions of beam energy selection and beam deflection. The energy degrader may be exposed to the…
TREATMENT COUCH FOR SMALL ISOCENTRIC ROTATIONS
Granted: September 18, 2014
Application Number:
20140275697
A treatment system for a patient includes a treatment couch to position the patient. The treatment couch includes a couch top and one or more stages to pitch the couch top about a lateral axis and/or roll the couch top about a longitudinal axis, translate the couch top along lateral directions and/or longitudinal directions, rotate the couch top about a vertical axis, and translate the couch top along vertical directions.
CONSTRUCTIVE ANATOMIC GEOMETRY
Granted: September 18, 2014
Application Number:
20140270426
A method involving an image of an anatomy, includes: obtaining an image of an anatomy; obtaining a program instruction from a user for creating an object in the image; and executing the program instruction to create the object in the image, wherein the act of executing the program instruction is performed using a processor. A computer product having a non-transitory medium storing a set of instructions, an execution of which causes a method to be performed, the method includes: obtaining…
IMAGE PROCESSING OF IMAGES THAT INCLUDE MARKER IMAGES
Granted: September 18, 2014
Application Number:
20140270365
An image processing 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…
METHOD AND APPARATUS PERTAINING TO IRRADIATING A TREATMENT VOLUME WHILE MAINTAINING THE TREATMENT VOLUME A PREDETERMINED OFFSET DISTANCE FROM THE RADIATION-TREATMENT ISOCENTER
Granted: September 18, 2014
Application Number:
20140270077
A control circuit is configured to control selective movement of at least the patient-support platform (during a radiation treatment session and typically while the radiation source is also moving) such that during at least a part of the radiation treatment session a patient's radiation-treatment target volume is maintained at a predetermined offset distance away from the radiation-treatment isocenter. By one approach the control circuit maintains that predetermined offset distance for…
REAL-TIME MOVING COLLIMATORS MADE WITH X-RAY FILTERING MATERIAL
Granted: September 18, 2014
Application Number:
20140270069
An apparatus includes an x-ray source operable to generate x-ray beams, a collimator comprising one or more leaves configured to modify the x-ray beams, a motorized system operable to move the one or more leaves of the collimator independently in or out of the x-ray beams, and a controller configured to synchronize operation of the x-ray source and the motorized system, allowing modification of the x-ray beams substantially in real time with generation of the x-ray beams. At least one…
SOFT-START ADAPTER FOR AC HEATED ELECTRON GUN
Granted: September 18, 2014
Application Number:
20140265847
A circuit to power an electron source includes a filament transformer comprising a primary side and a secondary side, a high-voltage transformer coupled to the filament transformer and the electron source, and an alternating current (AC) current limiter coupled in series with the primary side or the secondary side of the filament transformer. The AC current limiter includes a diode bridge and a current-limiting device in the diode bridge.
ENERGY DEGRADER FOR RADIATION THERAPY SYSTEM
Granted: September 18, 2014
Application Number:
20140264065
An energy degrading device for attenuating energy of a particle beam with reduced emittance growth. An energy degrader comprises an emittance control material that can preferentially scatter the beam particles that is incident on a surface with a shallow angle. In one approach, the energy degrader may include alternating layers of a low-Z and a high-Z material, wherein the low Z material serves to attenuate energy of the beam particles by virtue of scattering and the high Z material…
