Patent classifications
A61B6/42
Surgical or exam table that facilitates imaging during procedures
A surgical or exam table includes a radiolucent patient support surface; and a shelf beneath the patient support surface, wherein an x-ray panel may be supported on said shelf for x-raying a human or animal subject resting on the support surface.
RADIATION IMAGING SYSTEM AND CONTROL METHOD THEREOF
A radiation imaging system comprises a sensor unit of a radiation imaging device, detecting an incident radiation R irradiated from a radiation generator; an arithmetic unit calculating an accumulated dose of the radiation detected by the sensor unit; and an imaging control unit outputting an irradiation stop signal for stopping the irradiation of the radiation R to the radiation generator when the accumulated dose reaches a threshold or more, wherein the imaging control unit sets the threshold based on a dose rate of the radiation R determined based on a relationship between the accumulated dose and a time, and a delay time from a time of outputting the irradiation stop signal to a time of stopping the irradiation of the radiation of the radiation generator.
RADIATION DETECTOR, RADIOGRAPHIC IMAGING APPARATUS, AND METHOD OF MANUFACTURING RADIATION DETECTOR
The radiation detector includes a sensor substrate and a reinforcing substrate. In the s sensor substrate, a plurality of pixels for accumulating electric charges generated in response to radiation is formed in a pixel region of a first surface of a flexible base material. The reinforcing substrate is provided on at least one of the first surface side of the base material or a second surface side opposite to the first surface, includes the foamed body layer, and reinforces the stiffness of the base material.
X-RAY DETECTOR HAVING FABRICATION FAULT TOLERANT STRUCTURE AND FABRICATION METHOD THEREOF
Provided are an X-ray detector having fabrication fault tolerant structure and a method for manufacturing the same using a micro-transfer printing (MTP) technique. The X-ray detector may include a photodiode layer formed on a base substrate within a pixel area and including a plurality of photodiode pixel units, a dummy layer formed the base substrate within a peripheral area, a plurality of pixel driving integrated chips printed on the photodiode layer, a plurality of primary column and row integrated chips printed on the dummy layer, and metal lines coupling the column and row integrated chips with pixel driving integrated chips and other constituent elements, wherein the plurality of pixel driving integrated chips and primary column and row integrated chips are manufactured separately from the photodiode layer and the dummy layer and attached on the photodiode layer and the dummy layer, respectively.
FLAT PANEL DETECTOR AND MANUFACTURING METHOD THEREOF
Disclosed are a flat panel detector and a manufacturing method thereof. The flat panel detector including: a first optical assembly, having a first side and a second side opposite to the first side in a thickness direction of the flat panel detector, and including: a first scintillator layer configured for converting at least part of rays into a first visible light; and a first light guide component stacked with the first scintillator layer and configured for guiding the first visible light; a first image sensor assembly stacked with the first optical assembly, configured for receiving the first visible light, and including: a first image sensor located at the first side of the first optical assembly; and a second image sensor located at the second side of the first optical assembly.
Dual energy X-ray imaging apparatus
Disclosed herein is a dual energy X-ray imaging apparatus. The dual energy X-ray imaging apparatus includes: an X-ray generator configured to generate a predetermined dose of X-rays; an X-ray detector configured to detect the X-rays received from the X-ray generator; an X-ray filter located between the X-ray generator and the X-ray detector, and configured to filter out part of the generated X-rays so that X-rays of two dose types reach the X-ray detector; and a medical image processing unit configured to generate medical images corresponding to the two dose types recognized by the X-ray detector.
SYSTEM AND METHOD FOR IMAGING A SUBJECT
A medical imaging system includes an X-ray source for transmitting X-rays through a subject and a detector for receiving the X-ray energy of the X-rays after having passed through the subject. The system also includes a processing system which is programmed to generate a pre-shot image of the subject using low energy X-ray intensity from the X-ray source and to determine a plurality of acquisition parameters for a main scan of the subject based on the pre-shot image. The processing system is also programmed to determine a saturation time of the detector for the corresponding acquisition parameters based on detector calibration data and to determine a number of time frames required to reach the targeted dose based on the saturation time. The processing system is further programmed to apply an X-ray dosage level of the subject using the X-ray source based on the number of time frames and to generate the image of the subject based on the detected X-ray energy at the X-ray detector for the applied X-ray dosage level.
METHODS AND SYSTEMS FOR CT BALANCE MEASUREMENT AND ADJUSTMENT
The present application discloses a method for detecting an abnormity in a ray source in a CT system, comprising obtaining scanning data obtained from at least two scans that are performed by a medical device, the medical device including a ray source configured to generate a plurality of rays and a detector configured to detect the plurality of rays; determining, based on a difference of the scanning data, a status characteristic index of the ray source; and determining whether abnormity exists in the ray source based on the status characteristic index.
Method for calibrating defective channels of a CT device
A method for calibrating defective channels of a CT device involves in a step S10, acquiring original data collected by the CT device; in a step S20, capturing to-be-recovered areas from the original data, wherein the to-be-recovered areas contain the defective channels of the CT device; in a step S30, inputting data of the to-be-recovered areas to a neural network for training so as to generate training results; and in a step S40, using the training results to repair the to-be-recovered areas. The method eliminates effects of artifacts caused by defective channels on image reconstruction.
PANORAMIC X-RAY IMAGING APPARATUS
A panoramic X-ray imaging apparatus includes: an X-ray generating unit; an X-ray detecting unit; a support that supports the X-ray generating unit and the X-ray detecting unit; a drive mechanism that turns at least the X-ray generating unit and the X-ray detecting unit by driving the support; a displacement mechanism that adds movement including a displacement component in a direction different from the turning to the X-ray detecting unit; a subject holding unit that holds an imaging subject; a turning controller that controls the turning by a drive mechanism and the displacement mechanism. The turning controller controls the drive mechanism and the displacement mechanism so as to add the movement avoiding the contact with the shoulder of the imaging subject during the turning of the X-ray generating unit and the X-ray detecting unit by the drive mechanism during the panoramic X-ray imaging.