Abstract: A clamp for releasably engaging a cable chain employed on a C-arm X-ray imaging device includes a positioning member having a rear surface formed complementary to a portion of the C-arm imaging device, a pivot arm attached to the positioning member, a biasing member disposed on the pivot arm, and a clamp arm rotatably mounted to the pivot arm, wherein the biasing member is engaged between the positioning member and the clamp arm to move the clamp arm between a release position and a locking position. The clamp is engageable with the cable chain to hold the cable chain in alignment with the at least one of the housing and the C-arm, and is operable separately from the imaging device, such that the clamp can hold the cable chain on the housing or C-arm even when power is not provided to the imaging device.

Abstract: A distributed data collection architecture for a PET system includes a plurality of data collection boards, wherein each data collection board is coupled to a respective gantry segment of the PET system. The PET system includes a modular gantry having a plurality of gantry segments that are physically separate from each other, and each gantry segment includes a plurality of detector modules coupled to a respective data collection board. Each respective data collection board is configured to acquire all detector event data from a respective plurality of detector modules of the respective gantry segment the respective data collection board is coupled to. Only one data collection board of the plurality of data collection boards is configured to act as a master data collection board that collects all of the detector event data from each data collection board and to generate coincidence pairs from all of the detector event data.

Abstract: Various ultrasonic diagnostic apparatuses and method are provided for calculating a velocity of propagation of shear waves. In one example, a method includes applying mechanical vibrations to a patient to generate shear waves, receiving first echo signals based on first ultrasonic pulses transmitted at a first pulse repetition frequency, creating data for an image based on the first echo signals, and calculating at least one frequency component of the mechanical vibrations. The method includes calculating a second pulse repetition frequency that is different from the first pulse repetition frequency, based on the at least one frequency component of the mechanical vibrations. The method include receiving second echo signals based on second ultrasonic pulses transmitted at the second pulse repetition frequency and calculating a velocity of propagation of said shear waves based on the second echo signals transmitted at the second pulse repetition frequency.

Abstract: Systems and methods are provided for improving thermal management strategies of a cathode assembly of an X-ray tube. In one embodiment, an X-ray tube comprises an anode assembly and a cathode assembly, wherein the cathode assembly includes one or more elements that include an internal porous section for controlling a flow of heat within the cathode assembly during operation of the X-ray tube. In this way, heat conduction to temperature sensitive aspects of the cathode assembly may be reduced, while enabling sufficient heat transfer to other parts of the cathode assembly to minimize deformation.

Abstract: A radio-frequency power output device includes a cooling plate, a temperature detection module, and a control module. The cooling plate is provided with a first circuit board and a second circuit board respectively on two opposite sides thereof, and the first circuit board and the second circuit board are provided with a first radio-frequency power amplification circuit and a second radio-frequency power amplification circuit, respectively. The temperature detection module is used to obtain the temperature of the first circuit board and the temperature of the second circuit board. The control module controls, based on the temperature of the first circuit board, the first radio-frequency power amplification circuit to output a radio-frequency power signal at a target temperature, and controls, based on the temperature of the second circuit board, the second radio-frequency power amplification circuit to output a radio-frequency power signal at the target temperature.

Abstract: A system for collecting a biopsy of a lesion within a patient using examination images previously collected from an examination device. An x-ray detector detects energy after passing through the patient. A compression paddle compresses the patient. A processing system generates a biopsy image based on the energy detected by the x-ray detector, accesses the examination images previously collected, and analyzes, while the patient remains compressed, the biopsy image to determine a measured x-coordinate and a measured y-coordinate of the lesion along X and Y axes, respectively. The examination images are analyzed to determine a calculated z-coordinate of the lesion along the Z axis. The location of the lesion along the X, Y, and Z axes is determined based on the measured x-coordinate and measured y-coordinate from the biopsy image and the calculated z-coordinate from examination images. The biopsy may be performed while the patient remains compressed.

Abstract: A system includes a plurality of electro-mechanical connectors disposed on a first electrical system. The plurality of electro-mechanical connectors includes at least a ground connector, an output power connector, a return power connector, and at least one signal connector. A power supply line in the first electrical system is connected through a current-limiting element to the output power connector. The system further includes a circuit detecting a loopback signal received from a second electrical system via the at least one signal connector indicating presence of a power connection between the first electrical system and the second electrical system, and a switch activable in response to a detected loopback signal to bypass the current-limiting element to pass a full unrestrained current and voltage on the power supply line to the output power connector.

Abstract: According to one aspect of an exemplary embodiment of the disclosure, a system and method for providing an indication of the mode of operation of an X-ray imaging system operable in a fixed mode or an automatic optimization of parameter (AOP) mode, and an operational mode indication system including at least one of a visual indicator and an audio indicator. The selection of an operational mode for the X-ray system enables a control processing unit to activate the operational mode indication system in a first manner and in a second manner at least during the operation of the radiation source and the detector to provide an indication of a current mode of operation of the imaging system, wherein the first manner is readily discernable from the second manner.

Abstract: Embodiments of the present application provide a tissue boundary determination apparatus and method. The tissue boundary determination method includes acquiring multiple slice images of multiple positions of a tissue to be examined, determining, with regard to at least one first selected slice image of the multiple slice images, a tissue boundary on the first selected slice image, and determining, according to the tissue boundary on the first selected slice image, tissue boundaries on a predetermined number of other slice images adjacent to the first selected slice image. Therefore, an accurate tissue (such as malignant tumor) boundary may be acquired efficiently so as to provide a reference basis for analysis on internal and external tissue of a tumor.

Abstract: An apparatus includes a circuit board disposed in a frame. The circuit board has at least one signal input parts/signal output parts (SIP/SOP) port. The frame includes a fascia cover disposed over the at least one SIP/SOP port. The fascia cover has an opening aligned with the at least one SIP/SOP port. The door is movable from an open position to a closed position across the opening. The fascia cover and the door include an insulating material layer and a conductive material layer. A portion of the conductive material layer is disposed on an area of the fascia cover at a distance from edges of the opening, and another portion of the conductive material layer is disposed on an area of the door at a distance from an edge of the door.

Abstract: A method of sensing the heart rate and blood oxygen saturation of a maternal patient and a fetal patient can include obtaining maternal electrocardiogram (mECG) data and fetal electrocardiogram (fECG) data with a plurality of electrodes. The method can also include obtaining photosignal data with an optical sensor, the photosignal data including a maternal photosignal component and a fetal photosignal component. Additionally, the method can include applying mECG to the photosignal data to calculate maternal photoplesthograph (mPPG) data, applying the mPPG to the photosignal data to remove the maternal photosignal component from the photosignal data, and applying the fECG to remaining photosignal data to calculate fetal photoplesthograph (fPPG) data.

Abstract: A dual energy x-ray imaging system and method of operation includes an artificial intelligence-based motion correction system to minimize the effects of motion artifacts in images produced by the imaging system. The motion correction system is trained to apply simulated motion to various objects of interest within the LE and HE projections in the training dataset to improve registration of the LE and HE projections. The motion correction system is also trained to enhance the correction of small motion artifacts using noise attenuation and subtraction image-based edge detection on the training dataset images reduce noise from the LE projection, consequently improving small motion artifact correction. The motion correction system additionally employs separate motion corrections for soft and bone tissue in forming subtraction soft tissue and bone tissue images, and includes a motion alarm to indicate when motion between LE and HE projections requires a retake of the projections.

Abstract: An ultrasonic probe lens comprising a lens body comprising a solid material extending outward from an optical lens axis to a periphery, an inner surface of the lens body, and an outer surface of the lens body. A thickness of the lens body as measured from the inner surface to the outer surface varies from an optical lens axis to the periphery such that the lens body is configured with an inner optical profile and an outer optical profile to phase modulate the ultrasonic waves incident upon the lens body to reduce reverberations.

Abstract: Provided in the present invention are a magnetic resonance imaging system and method, and a computer-readable storage medium. The method comprises: performing a medical scan of a subject and acquiring a first medical image having a first noise interference artifact, and performing an additional scan of the subject to acquire a second medical image, wherein the second medical image has a second noise interference artifact, and the location mapping of the second noise interference artifact in the first medical image is symmetrical to the location of the first noise interference artifact relative to a pixel center of the first medical image; and performing synthesis-related processing on the first medical image and the second medical image to acquire a post-processed image with reduced noise interference artifacts.

Abstract: The present application provides a suspension device and an X-ray imaging system. The suspension device is configured to bear a tube device of an X-ray imaging system. The suspension device includes a plurality of sleeves and a guide rail assembly. Cross-sections of the plurality of sleeves have substantially the same shape but different sizes. The plurality of sleeves are sequentially arranged. The guide rail assembly is provided between at least one sleeve and another sleeve adjacent thereto. The guide rail assembly includes a protruding member extending along a surface of the at least one sleeve and a sliding member provided on the another sleeve and engaging with the protruding member. The sliding member is capable of moving relative to the protruding member so as to drive the sleeves to move relative to each other.

Abstract: The present disclosure relates to an imaging system and method. Specifically, an imaging system comprises: a positioning image acquisition unit, configured to acquire a positioning image of a scanning object; a monitoring slice image acquisition unit, configured to determine a key point corresponding to the position of a target region of interest in the positioning image by using a neural network, and acquire a monitoring slice image of the scanning object at the position of the key point; and a target region-of-interest segmentation unit, configured to segment the monitoring slice image to obtain the target region of interest. The present disclosure can accurately acquire the position of the monitoring slice, and can accurately obtain the target region of interest through segmentation by a cascaded coarse segmentation and fine segmentation.

Abstract: Systems/techniques that facilitate deep learning multi-planar reformatting of medical images are provided. In various embodiments, a system can access a three-dimensional medical image. In various aspects, the system can localize, via execution of a machine learning model, a set of landmarks depicted in the three-dimensional medical image, a set of principal anatomical planes depicted in the three-dimensional medical image, and a set of organs depicted in the three-dimensional medical image. In various instances, the system can determine an anatomical orientation exhibited by the three-dimensional medical image, based on the set of landmarks, the set of principal anatomical planes, or the set of organs. In various cases, the system can rotate the three-dimensional medical image, such that the anatomical orientation now matches a predetermined anatomical orientation.

Abstract: Method (1000) and system (100) for image processing for a medical device is provided. The method (1000) includes acquiring (1010) a plurality of images of a subject using an image acquisition system (110) of the medical device. The method (1000) further includes identifying and differentiating (1020) a plurality of background pixels and a plurality of foreground pixels in the images using the deep learning module (125). The method (1000) further includes suppressing (1030) the identified background pixels using a mask and processing the foreground pixels for subsequent reconstruction and/or visualization tasks.

Abstract: A system for acquiring an image in which deterioration of vascular signals due to improved water-fat swap is provided. The system includes a magnetic resonance imaging device, which receives an out-of-phase signal and in-phase signal from an imaging site including a blood vessel. The system also includes a processor that processes a digital signal including data representing the out-of-phase signal and in-phase signal. The processor executes an operation including: generating a water image Wa based on the digital signal; and adding a signal intensity |Iin| of the out-of-phase signal and a signal intensity of the in-phase signal to the water image Wa to generate a vascular image representing the blood vessel.

Abstract: A medical imaging system includes a CT imaging system including a gantry having a bore, rotatable about an axis of rotation. The CT imaging system includes a table configured to move a subject to be imaged into and out of the bore, a radiation source mounted on the gantry and configured to emit an X-ray beam, and a detector configured to detect the X-ray beam. The medical imaging system includes a LiDAR scanning system physically coupled to the CT imaging system. The LiDAR scanning system is configured to acquire data of the subject from different angular positions relative to the axis of rotation. The medical imaging system includes processing circuitry configured to receive the data acquired with the LiDAR scanning system, to generate a three-dimensional (3D) measurement of the subject, and to utilize the 3D measurement in a subsequent workflow process for a CT scan of the subject.