Patent classifications
A61B6/4476
Cantilevered x-ray CT system for multi-axis imaging
A multi-axis imaging system comprising an imaging gantry with an imaging axis extending through a bore of the imaging gantry, a support column that supports the imaging gantry on one side of the gantry in a cantilevered manner, and a base that supports the imaging gantry and the support column. The imaging system including a first drive mechanism that translates the gantry in a vertical direction relative to the support column and the base, a second drive mechanism that rotates the gantry with respect to the support column between a first orientation where the imaging axis of the imaging gantry extends in a vertical direction parallel to the support column and a second orientation where the imaging axis of the gantry extends in a horizontal direction parallel with the base, and a third drive mechanism that translates the support column and the gantry in a horizontal direction along the base.
ASSISTANCE SYSTEM AND METHOD FOR SUSPENSION DEVICE, AND X-RAY IMAGING SYSTEM
Provided in the present application are an assistance system and method for a suspension device, and an X-ray imaging system. The suspension device includes a tube device, a tube controller, a motion driving device and an assistance system. The motion driving device is capable of driving the suspension device to move along a first coordinate system. The assistance system includes a measurement device and a control device. The measurement device is disposed between the tube device and the tube controller so as to obtain an initial force of an operator, wherein the initial force includes the magnitude and direction of a force along a second coordinate system in which the measurement device is located. The control device includes a calibration unit and a calculation unit. The calibration unit is used for calibrating the initial force to obtain a calibrated force. The calculation unit is used for performing a coordinate transformation on the calibrated force to obtain a torque value corresponding to the first coordinate system, and sending the torque value to the motion driving device to enable the motion driving device to provide assistance on the basis of the torque value.
Systems and methods for a stationary CT imaging system
Various methods and systems are provided for stationary CT imaging. In one embodiment, a method for an imaging system includes activating an emitter of a plurality of emitters of a stationary distributed x-ray source unit to emit an x-ray beam toward an object within an imaging volume, where the x-ray source unit does not rotate around the imaging volume, receiving the x-ray beam at a subset of detector elements of a plurality of detector elements of one or more detector arrays, sampling the plurality of detector elements to generate a total transmission profile, an attenuation profile, and a scatter measurement, generating a scatter-corrected attenuation profile by entering the total transmission profile, the attenuation profile, and the scatter measurement as inputs to a model, and reconstructing one or more images from the scatter-corrected attenuation profile.
ROTATION MECHANISM FOR X-RAY INSPECTION APPARATUS, X-RAY INSPECTION APPARATUS, AND METHOD OF ADJUSTING ROTATION MECHANISM FOR X-RAY INSPECTION APPARATUS
In the rotation mechanism for an X-ray inspection apparatus, a plurality of adjustment members configured to adjust the shape of an outer race of a bearing by deforming the outer race are arranged in a circumferential direction of the bearing. The adjustment members are movable relative to an adjustment member holder in a diameter direction of the bearing and contactable with an outer circumferential surface of the outer race. A gap S configured to allow deformation of the outer race is formed between the outer circumferential surface of the outer race and the adjustment member holder in the diameter direction of the bearing.
Universal Positioning System for X-Ray Imaging System
An X-ray system with a universal positioning system includes a multiple degree of freedom overhead support system mounted within a location for the X-ray system, a first imaging device on the overhead support system, a multiple degree of freedom wall stand disposed within the location for the X-ray system, the wall stand comprising a motive module and a number of moveable members operably connected to the motive module that can be operated by the motive module to move the wall stand over a floor of the location, a second imaging device mounted to the wall stand, a table disposed within the location for the X-ray system, including a base disposed on the floor of the location and a support surface secured at one end to the base, and a workstation including a processing unit configured to send control signals to and to receive data signals from the universal positioning system.
Methods and systems for calibrating an x-ray apparatus
The present disclosure relates to methods and systems for calibrating an X-ray apparatus. The X-ray apparatus may include an X-ray detector and a collimator. To calibrate the X-ray apparatus, the methods and systems may include moving the X-ray detector from a first position to a second position along a first axis of a coordinate system, wherein the first position is under a scanning table, and the second position is outside the scanning table; moving the collimator to align the collimator with the X-ray detector at the second position; determining one or more parameters; and determining a second value of the first encoder when the collimator is aligned with the X-ray detector at the first position based on the one or more parameters.
Systems and methods for taking X-ray images
The present disclosure relates to systems and methods for taking X-ray images. The method may include obtaining reference data associated with an object, the reference data including at least one of height data or historical data. The method may also include determining at least one of a start point or an end point of an imaging region associated with the object based on the reference data. The method may further include causing to take an X-ray image of the imaging region based on at least one of the start point or the end point.
Horizontally-displaceable foam breast compression paddle
A breast compression paddle includes a bracket, a rigid substrate, and a foam compressive element. The bracket removably secures the breast compression paddle to an imaging system. The rigid substrate is secured to the bracket and includes a first edge and a second edge disposed opposite the first edge. The foam compressive element is slidably secured to the rigid substrate.
X-RAY IMAGING APPARATUS
The invention relates, in particular, to structures of an apparatus applicable for use in the context of dental or medical X-ray imaging. The apparatus comprises a support construction 12 to which an X-ray source 14, an X-ray detector and a visible light emitting construction 141′ are mounted and wherein the support construction 12 is configured to enable positioning the X-ray source 14 and the visible light emitting construction 141′ at essentially the same location in relation to the support construction 12, so as to when at a given time locating at said essentially same location, to direct a given field pattern in essentially the same direction towards the X-ray detector 15. The apparatus comprises a first frame part 11 extending in a first direction and comprising a first end and a second end, and the support construction 12 to which the X-ray source 14, the X-ray detector and the visible light emitting construction 141′ are mounted extends from the first frame part 11 in a second direction essentially at right angles to the first direction.
SENSOR-LESS DC MOTOR CLOSED LOOP CONTROLLER FOR IMAGING CAPSULE
An imaging capsule, including a radiation source, a collimator that provides a collimated beam from the radiation source, a detector configured to detect particles resulting from X-ray fluorescence and/or Compton backscattering in response to the collimated beam, a motor to rotate the collimator and detector around an axle to scan a partial or full inner circumference of a user's colon with radiation, wherein the motor comprises a segmented commutator that is fed with a power signal via brush contacts; and wherein the motor provides a pulsed output signal based on mechanical switching of the segmented commutator on the brush contacts, providing an indication of the rotation angle of the motor as a function of time.