Abstract: A control unit cyclically sets a first transmission/reception condition for a close range and a second transmission/reception condition for a long range. A synthesizing unit generates an added frame sequence and an edge-enhanced frame sequence from a reception frame sequence, and generates a synthesized frame sequence from the added frame sequence and the edge-enhanced frame sequence. The first transmission/reception condition includes a first transmission frequency and a first transmission depth of focus. The second transmission/reception condition includes a second transmission frequency that is lower than the first transmission frequency and a second transmission depth of focus that is greater than the first transmission depth of focus.

Abstract: An intraluminal imaging device includes a flexible elongate member sized and shaped for insertion into a vessel of a patient, the flexible elongate member including a proximal portion and a distal portion; and an imaging assembly disposed at the distal portion of the flexible elongate member, the imaging assembly including a flex circuit disposed in a rolled configuration, the flex circuit comprising a spine member and a plurality of rib members extending from the spine member. Associated devices, systems, and methods are also provided.

Abstract: An ultrasound imaging system includes a probe and a console. The probe includes an elongate shaft with a long axis, a transducer array disposed the shaft along the long axis and configured to generate signals indicative of received echoes, and a motor with a position sensor configured to rotate the shaft within a predetermined arc. The console includes a beamformer configured to process the signals from the transducer array and generate at least a volume of data for each sweep of the transducer array along the arc. The console further includes a display configured to display the volume of data.

Abstract: A location device is provided for determining the location of an acoustic sensor. A location process makes use of a plurality of transmit beams (wherein a beam is defined as a transmission from all transducers of an ultrasound array), with a frequency analysis to identify if there is a signal reflected from the acoustic sensor. A location is obtained from the plurality of frequency analyses.

Abstract: An ultrasonic imaging method and an ultrasonic imaging system are provided herein. The ultrasonic imaging system includes: a scanning assembly having an ultrasonic transducer to send ultrasonic signals to a tissue to be scanned and acquire a plurality of ultrasonic echo signals at a plurality of positions; a processor to receive the plurality of ultrasonic echo signals acquired at the plurality of positions, and generate an ultrasonic image corresponding to each of the plurality of positions; a display to display the ultrasonic images; and a user input unit to select the ultrasonic image corresponding to any specific position and send an input signal that is configured to control movement of the ultrasonic transducer, driven by a driving device, to the specific position. Also provided in the present invention is an ultrasonic imaging method using the system.

Abstract: Preferred embodiments of the present invention provide an apparatus and method for providing dementia diagnosis assistance information. In the present invention, an MRI brain image and a PET brain image of a subject for diagnosis are received, the MRI brain image is divided into a plurality of regions and registered with the PET brain image. Then, a standardized uptake value ratio (SUVR) of each divided region is obtained from the registered image, and for each divided region, a standard value indicating the degree of proximity of a SUVR of the subject to the average value of the SUVR of Alzheimer's group and the average value of the SUVR of the normal group is obtained. Then, the standard value of the SUVR of the subject is displayed together with the average value and the range of the standard deviation of each control group for each of the divided regions as a graph.

Abstract: Disclosed are an ultrasound imaging system for analysis of a body composition and an operation method of an ultrasound imaging system which is designed for analysis of a body composition. An ultrasound imaging system may include: a scan device into which an object is insertable; an ultrasonic probe connected to a part of the scan device; a controller configured to control the ultrasonic probe to emit a transmission ultrasonic signal to the object at multiple positions at the scan device, and receive a reflection ultrasonic signal reflected from the object; and an image processor configured to generate multiple 2D ultrasound images based on reflection ultrasonic signals received at the multiple positions at the scan device, respectively, and generate a 3D ultrasound image based on the multiple 2D ultrasound images.

Abstract: One or more devices, systems, methods and storage mediums for performing medical procedure (e.g., needle guidance, ablation, biopsy, etc.) planning and/or performance, and/or for performing guidance of multiple probes or multiple needles, are provided. Examples of applications for such devices, systems, methods and storage mediums include imaging, evaluating and diagnosing biological objects, such as, but not limited to, lesions and tumors, and such devices, systems, methods and storage mediums may be used for radiotherapy applications (e.g., to determine whether to place seed(s) for radiotherapy). Even in instances where communication between a medical tool or needle guidance device and a system is wireless or wired, preferably guidance information is still gathered and transmitted, especially in instances where wireless or wired communication signals are intermittent or interrupted.

Abstract: A system and method is provided for assessing Peripheral Nerve Stimulation (PNS). The system receives an imaging pulse sequence to be applied to a region of interest (ROI) of a subject arranged in the imaging system, where the imaging pulse sequence identifies coil parameters related to at least one coil. The system obtains a first model including a plurality of tissue types and corresponding electromagnetic properties in the ROI. The system then obtains a second model indicating location, orientation, and/or physiological properties of one or more nerve tracks in the ROI. The system estimates a plurality of PNS thresholds in the ROI caused by the imaging pulse sequence applied in the imaging system using the first model, the second model, a nerve membrane model, and the coil parameters.

Abstract: An ultrasound diagnostic apparatus includes an ultrasound probe and an imaging unit that transmits and receives an ultrasound beam to and from a subject using the ultrasound probe and converts a received signal output from the ultrasound probe into an image to generate an ultrasound image of the subject, according to set imaging conditions. The ultrasound diagnostic apparatus further includes a probe state determination unit that determines whether the ultrasound probe is in an aerial emission state or a contact state with the subject; and an apparatus control unit that changes the imaging conditions in a case in which the probe state determination unit determines that the ultrasound probe has been changed from the contact state with the subject to the aerial emission state and controls the imaging unit such that the ultrasound image is generated using the changed imaging conditions.

Abstract: A controller (310) for identifying positioning of an intravascular ultrasound probe (952) includes a memory (362) that stores instructions (884) and a processor (361) that executes the instructions (884). When executed by the processor (361), the instructions (884) cause the controller (310) to execute a process that includes receiving first signals from at least one element of the intravascular ultrasound probe (952). The process also includes receiving second signals from an external ultrasound probe. Based on the first signals and the second signals, the controller (310) determines a position of the intravascular ultrasound probe (952) in a tracking space that includes the intravascular ultrasound probe (952) and the external ultrasound probe.

Abstract: An imaging catheter is provided. In one embodiment, the imaging catheter includes a flexible elongate member that includes a proximal portion formed of a first material embedded with a first braid with a first braid pitch; a distal portion formed of a second material embedded with a second braid with a second braid pitch, wherein the second material is a lower durometer than the first material and wherein the second braid pitch is a higher per inch count than the first braid pitch such that the distal portion is more flexible than the proximal portion; a primary lumen extending between the proximal portion and the distal portion; and a plurality of secondary lumens extending between the proximal portion and the distal portion; and an imaging component coupled to the distal portion of the flexible elongate member.

Abstract: Provided are a method of displaying a Doppler image and an ultrasound diagnosis apparatus for performing the method. The method includes: obtaining a first Doppler signal where clutter filtering corresponding to each of a plurality of pixels is not performed and a second Doppler signal where clutter filtering corresponding to each of the plurality of pixels is performed; determining a first motion score indicating a degree of flash artifact occurrence by using velocity information of the first Doppler signal; determining a first weight for suppressing flash artifacts of each pixel based on the first motion score and a velocity difference value between the first Doppler signal and the second Doppler signal; generating a first Doppler image of the object by applying the first weight to the second Doppler signal of each pixel; and displaying the first Doppler image of the object.

Abstract: A method for tracking an interventional medical device in a patient includes interleaving, by an imaging probe external to the patient, a pulse sequence of imaging beams and tracking beams to obtain an interleaved pulse sequence. The method also includes transmitting, from the imaging probe to the interventional medical device in the patient, the interleaved pulse sequence. The method further includes determining, based on a response to the tracking beams received from a sensor on the interventional medical device, a location of the sensor in the patient.

Abstract: The present invention relates to an ultrasound-based system for localizing a medical device within the field of view of an ultrasound imaging probe. A localization system is provided that includes at least three ultrasound emitters that are arranged on a frame; and a position triangulation unit. The frame is adapted for attachment to an ultrasound imaging probe. The position triangulation unit determines a spatial position of the ultrasound detector relative to the at least three ultrasound emitters based on signals received from an ultrasound detector that is attached to the medical device. The frame includes a detachable reference volume comprising a background volume and an inclusion or void.

Abstract: A Ring-Arrayed Forward-viewing (RAF) ultrasound imaging and administration device combines an ultrasonic (US) US imager including a plurality of single element transducers arranged in a circular frame to define a ring array, and an instrument posture tracking circuit coupled to the ring array for performing RF (radio frequency) data acquisition with the plurality of ring-arrayed transducers. A needle holster is concentrically disposed in the ring array and is adapted to receive and direct an insertion instrument such as a needle, probe or extraction tool along an axis defined by a center of the ring array directed by the concentric needle holster. The tracking circuit includes a processor having instructions for instrument posture tracking and US imaging.

Abstract: An ultrasound diagnosis apparatus includes a two-dimensional (2D) array ultrasound probe configured to emit focused beams onto focusing points and detect echo signals; and a processor configured to determine the focusing points on a cross-section of interest and acquire shear wave elasticity data with respect to the cross-section of interest based on the detected echo signals.

Abstract: An ultrasound transducer unit including a plurality of ultrasound transducers transmits and receives ultrasound waves to and from an inside of a subject. In a case where a checking operation unit is operated, a controller controls a driving voltage supply unit such that a driving voltage is supplied with all of the plurality of ultrasound transducers as driving target transducers. In a case where the checking operation unit is operated, a depolarization determination unit calculates, for each ultrasound transducer, a reception sensitivity in a case where an ultrasound wave is received by driving all of the plurality of ultrasound transducers as the driving target transducers, and determines whether or not a depolarization determination value calculated from the reception sensitivity of each ultrasound transducer satisfies numerical conditions. If the numerical conditions are satisfied, a polarization voltage supply unit supplies a polarization voltage to each of the plurality of ultrasound transducers.

Abstract: An ultrasound imaging system according to the present disclosure may include an ultrasound transducer assembly comprising a plurality of apertures that are configured to transmit signals toward and receive signals from a region of interest (ROI) of a subject, a tracking sensor disposed within the subject and configured to move within the ROI, the sensor being responsive to signals transmitted by the apertures, and at least one processor in communication with the ultrasound transducer assembly and the tracking sensor.

Abstract: A system for ablating or monitoring a zone of the heart, includes a system to measure the heart electrical activity; a phased array for generating a beam of focussed ultrasound signals on a targeted zone of the heart; an imaging system determining an image of a transcostal wall projected in an image plane of the phased array by taking into consideration a position and direction of the phased array and making it possible to deactivate elements of the phased array in accordance with the position of the elements with regard to the position of the projected image of the transcostal wall; a positioning system to control the position of a focussed zone of a beam of focussed ultrasound signals on the targeted zone, a monitoring system to measure a temperature and tissue deformation in the targeted zone; and a device for measuring a level of cavitation in the targeted zone.