Abstract: A computer-implemented process for electromagnetic imaging, the process including the steps of: accessing scattering data representing, for each of a plurality of different electromagnetic wave energies, at least a corresponding two-dimensional array of measurements of electromagnetic wave scattering by internal features of an object, each said measurement representing scattering of electromagnetic waves emitted by a corresponding antenna of an array of antennas disposed about the object, scattered within the object, and measured by a corresponding antenna of the array of antennas; processing the scattering data with a plurality of trained neural networks to generate corresponding compressed scattering data, wherein the trained neural networks process respective subsets of the scattering data corresponding to respective different separations between the emitting and measuring antennas; processing the compressed scattering data with a trained neural network to generate corresponding compressed dielectric distr

Abstract: A mechanism for performing a non-invasive estimate of left ventricular compliance. A temporal variation of left ventricular volume and a temporal variation of left ventricular pressure are determined by processing ultrasound data of a subject. These two temporal variations are then processed to estimate left ventricular compliance.

Abstract: In accordance with various embodiments of the present disclosure, a device for non-invasive medical imaging is provided. In some embodiments, the device comprises a photonic integrated circuit scale dual frequency comb (DFC), a hand-held wand, and at least one processing element. The wand comprises at least one emission point for emitting light from the DFC at a plurality of different wavelengths and at least three sensors. The wand directs the emitted light at one or more bodily structures. The sensors are adapted to detect acoustic waves from thermo-elastic changes in one or more elements within the bodily structures. The processing element is for generating an optical absorption spectrum from the detected acoustic waves, identifying one or more elements within the bodily structures based on the optical absorption spectrum, and generating a three-dimensional image of the elements based on the optical absorption spectrum from the detected acoustic waves.

Abstract: This X-ray imaging device has an X-ray source, an X-ray detector, an image generation unit for generating an X-ray image, a site acquisition unit for acquiring a region for each site in the X-ray image based on a trained model, a region-of-interest selection unit for selecting a region-of-interest, and an X-ray condition adjustment unit to adjust the conditions of X-rays emitted from the X-ray source based on a first pixel value that a pixel value in the region-of-interest.

Abstract: Surgical guiding device, a surgical reference body (50) and a surgical tracking system (2), and in particular to a surgical guiding device, a surgical reference body and a surgical tracking system allowing an improved localization of surgical components.

Abstract: A transmission/reception unit generates a plurality of reception beam data having different addition numbers of a plurality of reception channel signals which are from each oscillation element that receives reflected waves from a subject and of which phases are adjusted. An S/N estimation unit executes frequency analysis with respect to each of the plurality of reception beam data before detection processing having different addition numbers of the reception channel signals for each region. The S/N estimation unit calculates a slope of an approximate straight line of spectral intensity for the addition number of each reception channel signal for each combination of the region and a frequency domain. The slope is an S/N indicator. A signal processing unit generates a bandpass filter for each region based on the S/N indicator for each region and for each frequency domain, to apply the bandpass filter to the reception beam data before the detection processing.

Abstract: A guide sheath includes ports at a handle portion through which flexible endoscopic tools may be advanced until they emerge from corresponding ports at a distal tip of the guide sheath. The guide sheath includes a position sensor at its distal tip that is compatible with an image guided surgery (IGS) system, such that a virtual view of the distal tip's position relative to a surgical site may be presented by the IGS system. The virtual view may assist a surgeon in precisely positioning the distal tip at the surgical site, and then one or more flexible endoscopic tools may be advanced the length of the guide sheath for use at the surgical site. The guide sheath may also include an articulating portion at the distal tip that may be deflected in one or more directions in order to provide additional control over placement within the surgical site.

Abstract: The systems and method described herein can generate guidance images that can indicate the real-time position of a medical device within an anatomical target. For example, the images can be high-resolution, 3D holographic renderings of a catheter (an example medical device) within a patient's heart (an example anatomical target). The guidance system can generate images that include computer generated (CG) images or models of the medical device and target anatomy. The guidance system can generate the CG images of the target anatomy from pre-operative images of a first modality, such as CT images or MR images. The guidance system can determine real-time placement position of the medical device from an intra-operative image of a second modality, such as fluoroscopic images.

Abstract: A surgical navigation method utilizing a computer system. The method includes the steps of: (a) fixing a camera relative to a surgical site on a patient such that the camera does not move relative to the surgical site; (b) restraining the body portion of the patient which includes the surgical site relative to an operating table supporting the patient, such that the body portion does not move relative to the operating table; and (c) detecting with the camera the position of a medical instrument having a tracker array.

Abstract: A nuclear medicine diagnosis apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured: to acquire nuclear medicine data by scanning an examined subject; to specify timing of a body movement of the examined subject during the acquisition of the nuclear medicine data; and to extend an acquisition period of the scan on the basis of the timing.

Abstract: Techniques for real-time doppler ultrasound signal processing techniques for fetal heart rate (FHR) detection with supervisory error control are provided. In an example, a method comprises receiving, by a system comprising a processor, signal data as the signal data is captured via an ultrasound transducer during a fetal monitoring session using doppler-based ultrasound technology. The method further comprises determining, by the system using a first process, first FHR values for a fetal heart targeted by the ultrasound transducer based on the signal data as the signal data is received, and determining using a second process in parallel with the first process, second FHR values for the fetal heart based on the signal data as the signal data is received. The method further comprises determining, by the system, whether the first FHR values are associated with an error based on differences between the first FHR values and the second FHR values.

Abstract: An imaging catheter assembly is provided. In one embodiment, the imaging catheter assembly includes a flexible elongate member including a distal portion and a proximal portion; and an imaging component coupled to the distal portion of the flexible elongate member, wherein the imaging component includes: an integrated circuit (IC) layer that includes a semiconductor material; an array of ultrasound transducer elements coupled to a first side of the IC layer; and a backing layer coupled to a second side of the IC layer opposite the first side, wherein the backing layer includes a backing material, and wherein a coefficient of thermal expansion (CTE) difference between the semiconductor material and the backing material is less than 23 parts per million per degree Centigrade (ppm/C).

Abstract: Systems, methods, and devices are provided for assisting or performing guided interventional procedures using. The system uses pre-procedure scans of a patient's anatomy to identify targets and critical structures. A measurement device containing position indicating elements or fiducials is placed in a pre-existing or physician created conduit or lumen whose geometry is known from a scan. During a procedure, the pre-procedure scans may be registered to the patient using the position indicating elements or fiducials and the geometry of the conduit. This registration may be used in an intervention to guide instruments that can obtain diagnostic information or provide therapy to the identified targets. During the procedure, the position indicating elements may be used to dynamically compensate for motion to further improve accuracy.

Abstract: Magnetic field generating means (2) is disposed on a scalp (1) of a subject (P) and generates a magnetic field that is radiated from a north pole, passes through a cerebral cortex (3) of the subject (P) and returns to a south pole in a loop path. Magnetic field detecting means (5) is disposed on the scalp (1) and detects a change in the magnetic field (4) as a signal reflecting an activity status of the cerebral cortex (3).

Abstract: A biological information displaying apparatus according to an embodiment includes a picture obtaining apparatus and a processor. The picture obtaining apparatus obtains a picture signal of a predetermined site of a subject as a moving image. The processor generates a hue moving image by extracting a luminance or an image-based photoplethysmogram (iPPG) related to a pulse wave for each pixel of the moving image and assigning a hue in accordance with a value of luminance information or iPPG information. The processor displays the generated hue moving image such that the hue moving image is superimposed on an image of the subject.

Abstract: Embodiments of the present disclosure provide a surgical robot system may include an end-effector element configured for controlled movement and positioning and tracking of surgical instruments and objects relative to an image of a patient's anatomical structure. In some embodiments the end-effector and instruments may be tracked by surgical robot system and displayed to a user. In some embodiments, tracking of a target anatomical structure and objects, both in a navigation space and an image space, may be provided by a dynamic reference base located at a position away from the target anatomical structure.

Abstract: Methods, systems, and devices for temperature calibration are described. A device may support temperature calibration for a set of temperature sensors. For example, a wearable device may activate a set of temperature sensors associated with the wearable device. The set of temperature sensors may include a primary temperature sensor and one or more secondary temperature sensors. The wearable device may determine a trigger to calibrate the one or more secondary temperature sensors based on one or more conditions, and calibrate the one or more secondary temperature sensors using the primary temperature sensor based on the trigger. Based on the calibrating, the wearable device may process temperature data associated with a user that is received from one or more of the primary temperature sensor or the one or more secondary temperature sensors.

Abstract: Systems and methods for removing the bias induced by noise from power Doppler images to achieve improvements of microvessel image contrast are provided. In one example, the noise-induced bias can be suppressed by utilizing the characteristics of uncorrelated noise in the ultrasound image from data acquired or compounded at different transmitting angles. In another example, the noise-induced bias can be suppressed due to the lack of correlation between adjacent ultrasound images. These example implementations may also be combined, as will be described below.

Abstract: Disclosed is a system for assisting in guiding and performing a procedure on a subject. The subject may be any appropriate subject such as inanimate object and/or an animate object. The guide and system may include various manipulable or movable members, such as robotic systems, and may be registered to selected coordinate systems.

Abstract: An optical pumping-based multimodal fusion detection apparatus is provided, relating to the field of brain-computer interfaces. The system includes a laser generation module, laser path control module, atomic vapor cell, photodetection module, ultrasonic detection module, and data processing module. The photodetection module, ultrasonic detection module, and data processing module function as a detection module. The detection module collects the laser intensity and polarization variation signals of the first laser after passing through the atomic vapor cell to output local magnetic field variations in the brain caused by neural discharges. It also collects ultrasonic signals corresponding to an interaction of the second pulsed laser with the measured part to output the subject's blood oxygen signal.