G01S15/8979

Ultrasound system and method for detection of kidney stones using twinkling artifact
11529118 · 2022-12-20 · ·

A method color Doppler imaging in accordance with some examples of the present disclosure includes transmitting with a probe of an ultrasound imaging system, ultrasound pulses towards a region of interest in a subject, receiving with the probe echoes responsive to the pulses, generating B-mode image data and Doppler signals based on the ultrasound echoes, filtering the Doppler signals, wherein the filtering includes rejecting lower intensity signals which have amplitudes below a threshold amplitude and passing higher intensity signals which have amplitudes above the threshold amplitude, generating color data based on the higher intensity signals, overlaying the color data with the B-mode image data to produce a color Doppler image, and displaying the color Doppler image in a kidney stone detection interface.

System and methods for flash suppression in ultrasound imaging
11506771 · 2022-11-22 · ·

Methods and systems are provided for color flow ultrasound imaging. In one embodiment, a method comprises acquiring color flow data, detecting, with a neural network, a flash artifact in the color flow data, adjusting an adaptive filter cutoff of a clutter filter based on a classification result of the neural network, filtering, with the clutter filter, the flash artifact from the color flow data, and displaying a color flow image generated from the filtered color flow data. In this way, strong flash artifacts caused by strong tissue movement or probe movement may be dynamically suppressed during color flow ultrasound imaging.

Functional Ultrasound Imaging for Spinal Cord Stimulation Electrode Guidance and Stimulation Parameter Optimization
20220354589 · 2022-11-10 ·

Functional ultrasound imaging (“fUS”) is used to facilitate the placement of electrodes for spinal cord stimulation and to optimize and update stimulation parameters for spinal cord stimulation devices.

SYSTEM AND METHOD FOR SCANNING FOR A SECOND OBJECT WITHIN A FIRST OBJECT USING AN ADAPTIVE SCHEDULER
20230038206 · 2023-02-09 ·

Method for scanning for second object on or within first object starts by receiving information on first object and second object. Task lists are generated that include at least one task action based on information on first object and second object. Based on task lists, beamer is then signaled to generate and send first signal to first probe unit to perform first beam firing. Receiver processes first data signal from first probe unit that is then analyzed to determine if first object is identified using processed first data signal. Upon determination that first object is identified, based on task list, beamer is signaled to generate and send second signal to second probe unit to perform second beam firing. Receiver processes second data signal from second probe unit that is then analyzed to determine if second object is identified using processed second data signal. Other embodiments are described.

System and method for scanning for a second object within a first object using an adaptive scheduler

Method for scanning for second object on or within first object starts by receiving information on first object and second object. Task lists are generated that include at least one task action based on information on first object and second object. Based on task lists, beamer is then signaled to generate and send first signal to first probe unit to perform first beam firing. Receiver processes first data signal from first probe unit that is then analyzed to determine if first object is identified using processed first data signal. Upon determination that first object is identified, based on task list, beamer is signaled to generate and send second signal to second probe unit to perform second beam firing. Receiver processes second data signal from second probe unit that is then analyzed to determine if second object is identified using processed second data signal. Other embodiments are described.

Ultrasound flow imaging

An ultrasound imaging system includes a transducer array (102) with a plurality of transducer elements (106) configured to transmit an ultrasound signal, receive echo signals produced in response to the ultrasound signal interacting with stationary structure and flowing structure, and generate electrical signals indicative of the echo signals. The system further includes a beamformer (112) configured to process the electrical signals and generate sequences, in time, of beamformed data. The system further includes a filter (118) configured to process the beamformed data, and remove or replace a set of frequency components based on a threshold, producing corrected beamformed data. The system further includes a flow processor (120) configured to estimate a velocity of flowing structure from the corrected beamformed data. The system further includes a rendering engine (224) configured to display the flow velocity estimate on a display (124).

METHOD AND SYSTEM FOR CALCULATING REFERENCE VALUE OF ULTRASONIC SENSOR
20230077149 · 2023-03-09 ·

A method for calculating a reference value of an ultrasonic sensor includes: transmitting a first ultrasonic signal from the ultrasonic sensor toward a first surface of a contact device while an object is positioned on the first surface; generating a plurality of ultrasonic images based on a first ultrasonic echo signal; selecting an ultrasonic image having a highest similarity to a reference image from among the ultrasonic images; storing a first parameter and a second parameter corresponding to a selected ultrasonic image; while the object is not positioned on the first surface, transmitting a second ultrasonic signal based on the first parameter from the ultrasonic sensor toward the first surface; and calculating the reference value of the ultrasonic sensor using the second parameter and a second ultrasonic echo signal.

Spread spectrum coded waveforms in ultrasound diagnostics

Techniques, systems, and devices are disclosed for ultrasound diagnostics using spread spectrum, coherent, frequency- and/or phase-coded waveforms. In one aspect, a method includes synthesizing individual orthogonal coded waveforms to form a composite waveform for transmission toward a biological material of interest, in which the synthesized individual orthogonal coded waveforms correspond to distinct frequency bands and include one or both of frequency-coded or phase-coded waveforms; transmitting a composite acoustic waveform toward the biological material of interest, where the transmitting includes transducing the individual orthogonal coded waveforms into corresponding acoustic waveforms to form the composite acoustic waveform; receiving acoustic waveforms returned from at least part of the biological material of interest corresponding to at least some of the transmitted acoustic waveforms that form the composite acoustic waveform; and processing the received returned acoustic waveforms to produce an image of at least part of the biological material of interest.

ULTRASONIC DIAGNOSTIC APPARATUS AND ULTRASONIC DIAGNOSTIC METHOD

According to one embodiment, an ultrasonic diagnostic apparatus includes an ultrasonic probe and processing circuitry. The ultrasonic probe is configured to transmit and receive an ultrasonic wave. The processing circuitry is configured to acquire an optical image of a subject housed in a housing unit containing a medium. The processing circuitry is configured to estimate state information of the subject from the optical image. The processing circuitry is configured to set a scan condition of ultrasonic scanning for the subject based on the state information.

Systems and methods for acoustic and/or electromagnetic imaging
11598869 · 2023-03-07 · ·

A method for use in acoustic imaging, comprising: transmitting, from a transmitter, a first sound wave pulse at a first frequency determined by a maximum sampling rate of a receiver; transmitting at least one second sound wave pulse at a frequency substantially equal to the first frequency, the first and at least one second sound wave pulses being transmitted substantially within a fraction of a sample interval of the receiver; receiving and sampling, at the receiver, a reflection of at least two of the first and at least one second pulses to generate a set of receiver samples; and expanding the set of receiver samples, based on the first frequency and a total number of the first and at least one second pulses transmitted, to generate an expanded sample set with a larger number of samples than the set of receiver samples.