Patent classifications
A61B6/4283
RADIOGRAPHIC IMAGE CAPTURING SYSTEM
A radiographic image capturing system includes: a medical cart including a radiation generating apparatus emitting radiation and a first chargeable built-in power supply; a portable radiographic image capturing apparatus including radiation detecting elements and a second chargeable built-in power supply; and a control device managing electric energy remaining in the first built-in power supply and in the second built-in power supply, determines availability of charge of the second built-in power supply in the portable radiographic image capturing apparatus with power from the first built-in power supply in the medical cart based on the electric energy remaining in the first built-in power supply, and performs control so as to allow the charge when the charge is determined to be available, and so as not to conduct the charge when the charge is determined to be unavailable.
TILED DIGITAL RADIOGRAPHY DETECTORS FOR LONG-LENGTH IMAGING
A long length imaging system having a host processor, an x-ray source, and a plurality of radiographic detectors is configured to simultaneously capture a radiographic image of a portion of a subject exposed by the x-ray source, and to transmit the partial images to the host processor whereby the partial images are combined into a long length image.
X-RAY IMAGE CAPTURING APPARATUS
An X-ray image capturing apparatus includes: scanning and signal lines; an X-ray sensor; detecting elements; a switching element to make charges accumulated in response to an OFF voltage and released in response to an ON voltage; a scan driving unit to switch a voltage applied to the scanning lines between ON and OFF voltages; a readout circuit to read the charges as image data; and a control circuit to detect an irradiation start by a first scheme based on a current increase due to X-ray irradiation or a second scheme based on an output from the X-ray sensor and to turn off the switching element to make charges accumulated if the first or second scheme detects the irradiation start, wherein a detection threshold is set such that the second scheme has a slower response and can detect an X-ray at a lower dose rate than the first scheme.
Radiographic imaging device, method of controlling radiation detection sensitivity and program storage medium
A radiographic imaging device including: a sensor portion that generates an output signal according to an irradiated amount of irradiated radiation; a detector that based on the output signal detects a radiation irradiation start of radiation irradiated from a radiation source during capture of a radiographic image; a noise data generation means that, based on an output signal from the sensor portion in a non-irradiation state of radiation from the radiation source, generates noise data relating to noise incorporated in the output signal; a controller that controls detection sensitivity to radiation irradiation start in the detector according to a degree of variation in noise level expressed by the noise data; and an imaging unit that captures the radiographic image after radiation irradiation start has been detected by the detector.
APPARATUS FOR CONTROLLING X-RAY IMAGING SYSTEM TO SET THEREIN AN OPERATION MODE BASED ON FUNCTION INFORMATION
A management apparatus for managing radiation imaging receives function information about a radiation imaging apparatus and communication information about communication between the radiation imaging apparatus and a radiation generation apparatus. Based on the function information or communication information received, an operation setting unit in the management apparatus sets an operation mode of the radiation imaging apparatus; and a control unit perform control corresponding to radiation imaging based on the set operation mode.
X-RAY DETECTING APPARATUS
An x-ray detecting apparatus having a housing, a detecting panel provided at an inside the housing as to detect x-rays, and a circuit board having a first surface thereof bordering with the detecting panel and a second surface thereof provided with at least one electronic component installed thereto is provided.
RADIOLUCENT MAT AND IMAGE RECEPTOR ASSEMBLY INCLUDING SAME
A radiolucent mat includes a strap system configured to secure the radiolucent mat to an image receptor, and a body portion extending along orthogonal length and width directions of the body portion and including a top major surface configured to face away from the image receptor. The top major surface includes one or more first visual indicia delineating a region of the top major surface corresponding to an active region of the image receptor. An image receptor assembly includes the radiolucent mat and a radiography image receptor having an active region. The body portion is disposed on the image receptor such that the body portion and the image receptor are substantially coextensive with one another along the length and width directions.
Systems and methods for CT imaging in image-guided radiotherapy
A system and method for image-guided radiotherapy are provided. The system may include a treatment assembly and an imaging assembly. The treatment assembly may include a first radiation source configured to deliver a treatment beam. The treatment assembly may have a treatment region relating to an object. The imaging assembly may include a second radiation source and a radiation detector. The second radiation source may be configured to deliver an imaging beam, and the radiation detector may be configured to detect at least a portion of the imaging beam. The imaging assembly may have an imaging region relating to the object. The first radiation source may be rotatable in a first plane, and the second radiation source may be rotatable in a second plane different from the first plane, such that the treatment region and the imaging region at least partially overlap.
RADIOGRAPHIC IMAGING DEVICE, RADIOGRAPHIC IMAGING SYSTEM, AND RECORDING MEDIUM
Provided is a radiographic imaging device including: a first hardware processor; a sensor that includes multiple semiconductor elements arranged two-dimensionally and multiple switch elements respectively connected to the semiconductor elements; a gate driver that causes each of the switch elements of the sensor to switch between a conductive state and non-conductive state so as to release charge from each of the semiconductor elements; and a reader that performs readout of a signal value according to an amount of the charge released by the each of the semiconductor elements of the sensor. The first hardware processor sets an imaging condition that affects a dose of radiation reaching the sensor, selects a gate readout pattern according to the set imaging condition among different gate readout patterns, and drives the gate driver and the reader using the selected gate readout pattern.
Image processing apparatus, image determination method and non-transitory computer-readable storage medium
An image processing apparatus obtains a plurality of radiation images generated by causing a plurality of radiation detectors to detect radiation with which a subject is irradiated, and generates an elongated image by synthesizing the plurality of radiation images. The image processing apparatus estimates a direction of the subject in each of the plurality of radiation images, and determines a direction of the subject in the elongated image based on a direction estimation result on each of the plurality of radiation images.