Abstract: An ultrasound image processing device and a method for quantitative analysis of cardiac motion are provided. The device comprises: a display; and a processor configured to: obtain an ultrasound presentation, wherein the ultrasound presentation comprises one of an ultrasound image and an ultrasound video; perform a motion tracking on at least one region of interest according to the ultrasound presentation to obtain a tracking result of the at least one region of interest; determine a tracking quality of the tracking result of the at least one region of interest; and control the display to display the tracking quality of the at least one region of interest, wherein the tracking quality is a confidence of the tracking result of the corresponding region of interest and indicates a credibility of the tracking result of the corresponding region of interest.

Abstract: A method of fetal ultrasound monitoring includes detecting contact of a first ultrasound transducer to a mother's abdomen based on input from a contact sensor in the first ultrasound transducer. A first transducer identifier is received from the first ultrasound transducer, and then the first transducer identifier is correlated with a first transducer label. A first heart rate is measured based on output of an ultrasound device in the first ultrasound transducer, and a heart rate indicator is displayed accordingly. A position of the first ultrasound transducer is identified in a two-dimensional plane, and the first transducer label is displayed on an abdomen image based on the first position.

Abstract: A system for monitoring health during a water birth includes a health sensor configured to be coupled to a mother. The health sensor includes a first sensor configured to measure one or more health parameters of a mother, a fetus within the mother or both, a second sensor configured to generate a submerged signal representing whether the health sensor is at least partially submerged in water, and a transmitter configured to transmit communication signals representing data collected by the first sensor. One or more parameters of the communication signals change depending on whether the submerged signal represents that the health sensor is at least partially submerged.

Abstract: Methods and apparatus are provided for high resolution intravital imaging and for chronic optical imaging of tissues such as lung.

Abstract: An ultrasound imaging system including an image processor configured to receive input data for capturing ultrasound images of a region of interest. The ultrasound images are taken along a first plane; and the input data further includes an indication that a needle will be inserted into the region of interest. The system can capture a plurality of ultrasound images of the region of interest along the first plane. The system can determine one or more high-confidence areas of the region of interest where the needle will intersect the first plane. Each high-confidence area is based on a probability that the needle will intersect the first plane at any portion of the high-confidence area; and display one or more on-screen markers corresponding to the one or more high-confidence areas in conjunction with the plurality of ultrasound images on the display.

Abstract: Methods and systems are provided for fusing tissue characterization information into ultrasound images. In one example, a method includes obtaining first image data of an anatomical region of interest (ROI) of a patient, the first image data including tissue characterization information and acquired with a first imaging modality; obtaining second image data of the anatomical ROI of the patient, the second image data acquired with a second imaging modality; registering the first image data and the second image data; adjusting the second image data based on the tissue characterization information and the registration, wherein the adjusting includes filtering, adjusting colorization, adjusting brightness, and/or adjusting material appearance properties of one or more aspects of the second image data; generating a fused image from the adjusted second image data; and outputting the fused image for display and/or storage.

Abstract: Probes and related systems and methods are provided for localizing markers implanted within a patient's body. The probe includes an antenna assembly adjacent a distal end thereof including a ceramic base including a planar distal surface and four proximal surfaces extending at an angle relative to a longitudinal axis of the probe to define a generally pyramidal shape. The base includes antenna elements on the proximal surfaces and radial slots between adjacent proximal surfaces to substantially isolate the antenna elements from one another. A controller is coupled to the antenna elements for transmitting signals into a patient's body and receiving reflected signals reflected from a marker implanted within the patient's body to identify and/or localize the marker.

Abstract: A system for measuring a membrane potential is disclosed. The system comprises a photoacoustic probe including a laser and an ultrasound transducer. The laser is configured to emit a light signal at one or more wavelengths to a neuronal cell. The neuronal cell may comprise a voltage-sensitive protein configured to absorb the light signal in a voltage-dependent manner. The ultrasound transducer is configured to receive a photoacoustic signal from the voltage-sensitive protein in response to absorbing the light signal. The system further comprises a processor configured to receive the photoacoustic signal from the ultrasound transducer and calculate a membrane potential of the neuron based on the photoacoustic signal. Methods of measuring a membrane potential and biomaterials related to the voltage-sensitive protein are also disclosed herein.

Abstract: Provided is a method for displaying an ultrasonic image, the method comprising: acquiring data by transmitting ultrasound pulses to a subject and receiving echo signals reflected from the subject; detecting microcalcified tissues in the subject by analyzing the acquired data; and displaying an image representing the detected microcalcified tissues.

Abstract: One or more devices, systems, methods and storage mediums for optical imaging medical devices, such as, but not limited to, Optical Coherence Tomography (OCT), single mode OCT, and/or multi-modal OCT apparatuses and systems, and methods and storage mediums for use with same, for detecting external elastic lamina (EEL) and/or lumen edge(s) are provided herein. One or more embodiments provide at least one method, device, apparatus, system, or storage medium to comprehend information, including, but not limited to, molecular structure of a vessel, and to provide an ability to manipulate the vessel information. In addition to controlling one or more imaging modalities, the EEL detection techniques may operate for one or more applications, including, but not limited to, manual or automatic EEL detection, stent positioning, stent selection, co-registration, and imaging.

Abstract: An ultrasound apparatus includes a probe to acquire ultrasound data from an object; a communicator; a display; and a processor to generate a first ultrasound image based on the ultrasound data; display the first ultrasound image on the display; control the communicator to transmit the first ultrasound image to an external device so that the first ultrasound image is displayed on the external device; generate a second ultrasound image based on the ultrasound data and a control command received from the external device, the control command being based on a touch input with respect to the first ultrasound image displayed on the external device; display the second ultrasound image on the display; and control the communicator to transmit the second ultrasound image to the external device so that the second ultrasound image is displayed on the external device.

Abstract: A medical apparatus having a light emission unit, an ultrasound transducer, an instrument channel, and a hollow needle is disclosed. The apparatus is configured to be arranged at least partly in an examination region of an examination object. The light emission unit is configured to emit excitation light. The excitation light is configured to excite an optoacoustic emission of ultrasound. The light emission unit is arranged at least partly in the hollow needle. The hollow needle is arranged at least partly for movement in the instrument channel. The instrument channel has an opening for bringing the hollow needle and the light emission unit out on a distal section of the apparatus. The ultrasound transducer is arranged on the distal section of the apparatus. The hollow needle is configured to move out at least partly from instrument channel through the opening. The ultrasound transducer is configured to receive the ultrasound.

Abstract: A method includes implanting an implantable biosensor within a subject where the implantable biosensor has an array of light sources and an array of light detectors, activating the array of light sources to direct light signals at a targeted tissue site in the subject, capturing, with the light detectors, the light signals reflected off the targeted site, calculating a roundtrip propagation time for each of the light signals and comparing the roundtrip propagation time for each of the light signals against previous calculated respective roundtrip propagation times to determine an occurrence of a change in the targeted tissue site.

Abstract: A surgical hub is disclosed. The surgical hub includes a processor and a memory coupled to the processor. The memory stores instructions executable by the processor to receive first image data from a first image sensor, the first image data represents a first field of view, receive second image data from a second image sensor, wherein the second image data represents a second field of view, and display, on a display coupled to the processor, a first image rendered from the first image data corresponding to the first field of view and a second image rendered from the second image data corresponding to the second field of view.

Abstract: Some aspects include a method of determining change in size of an abnormality in a brain of a patient positioned within a low-field magnetic resonance imaging (MRI) device. The method comprises, while the patient remains positioned within the low-field MRI device, acquiring first and second magnetic resonance (MR) image data of the patient's brain; providing the first and second MR image data as input to a trained statistical classifier to obtain corresponding first and second output; identifying, using the first output, at least one initial value of at least one feature indicative of a size of the abnormality; identifying, using the second output, at least one updated value of the at least one feature; determining the change in the size of the abnormality using the at least one initial value of the at least one feature and the at least one updated value of the at least one feature.

Abstract: Provided is a method for displaying an ultrasonic image, the method comprising: acquiring data by transmitting ultrasound pulses to a subject and receiving echo signals reflected from the subject; detecting microcalcified tissues in the subject by analyzing the acquired data; and displaying an image representing the detected microcalcified tissues.

Abstract: A system and method are provided for controlling achieving fine angle control within small diameter devices. An imaging device is provided with a multi-angle imaging platform. In some embodiments, a flexible printed circuit board (PCB) is provided with conductors and a camera angle activator pivot for rotating the camera head. In some embodiments, a ball and socket joint is used to rotate the camera head within a distal end of the elongate shaft. In some embodiments, a spring mechanism is used to rotate the camera head within a distal end of the elongate shaft. In some embodiments, the viewing angle of the imaging device is adjusted via movement of an inner tube with respect to an outer tube and corresponding adjustment of the flexible PCB, ball and socket joint, and/or spring mechanism.

Abstract: The present disclosure generally relates to systems and methods for guiding surgical tools to a surgical site, and more particularly, to systems and methods for guiding a tool sheath of a delivery system to a surgical site such as a location in a subject's brain and associated surgical procedures.

Abstract: A method of non-invasively detecting and purging bacterial cells using a modified photoacoustic in vivo flow cytometer device is described herein. In particular, a method of detecting bacterial cells by analyzing photoacoustic pulses emitted in response to laser pulses from a pulsed laser source and/or selectively destroying the detected bacterial cells using a non-linear photothermal response induced by a high-energy laser pulse is described herein.

Abstract: In an embodiment, a data processing method comprises obtaining one or more photoplethysmography (PPG) signals from one or more PPG sensors of a monitoring apparatus, the PPG signals being generated based upon optically detecting pulsed variations in blood flow; obtaining a motion sensor signal from a motion sensor in the monitoring apparatus; identifying, based upon the motion sensor signal, one or more periods of motion (e.g., low motion) of the monitoring apparatus; and selectively obtaining and storing segments of the PPG signals based on a temporal relationship between the segments of the PPG signals and the identified periods of motion.