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

Abstract: Bone fractures may be associated with one or more fragments separated from a bone. The fractured bone may be captured with an imaging device. The disclosed systems may be configured to predict or otherwise determine a position of the fragments prior to occurrence of the bone fracture. The determined position may be utilized to position and secure the fragments during a surgical procedure. Methods for determining the pre-fracture position of bone fragments are also disclosed.

Abstract: A histotripsy therapy system configured for the treatment of tissue is provided, which may include any number of features. Provided herein are systems and methods that provide efficacious non-invasive and minimally invasive therapeutic, diagnostic and research procedures. The systems and methods herein are configured to measure and display forces acting upon the therapy treatment head during a procedure. In some aspects, buoyancy forces from the acoustic coupling medium are also accounted for.

Abstract: A tissue treatment catheter includes a catheter shaft having a fluid lumen in fluid communication with an interior of a balloon, and a guidewire lumen. The balloon is mounted on the catheter shaft and contains an ultrasound transducer. An isolation tube extends through the ultrasound transducer and into the guidewire lumen. A proximal tube end of the isolation tube is between a distal shaft end of the catheter shaft and a guidewire port of the catheter shaft. Other embodiments are also described and claimed.

Abstract: A computer-implemented method is provided for improving image quality. The method comprises: acquiring, using single-photon emission computed tomography (SPECT), a medical image of a subject, wherein the medical image is acquired with shortened acquisition time; and applying a deep learning network model to the medical image to generate an enhanced medical image.

Abstract: A psychological state display system includes a near-infrared light source that outputs outside light toward a plurality of persons, the output light including a first near-infrared radiation having a wavelength of greater than or equal to 780 nm and less than 2,500 nm; an imaging device that receives the first near-infrared radiation included in the output light outputted and captures an infrared image of the plurality of persons; a generation device that, using a trained machine learning model that receives an input of the infrared image captured and outputs a psychological state of at least one person among the plurality of persons indicated by the infrared image, generates psychological data indicating the psychological state; and a display device that displays a change over time in the psychological data generated.

Abstract: An assist tool to be attached to a finger of a subject. The assist tool includes a support body placed on a first side of the finger in a case where the support body is attached to the finger, a bag body configured to be placed on a second side, the second side being opposite to the first side of the finger with respect to the finger, and a fluid passage communicating with inside of the bag body. A physiological information detector for obtaining the physiological information is configured to be placed between the finger and the support body, and between the finger and the bag body. A spacer is provided in the support body such that the finger does not enter a fingertip side of the bag body.

Abstract: An electronic device includes a transmission antenna, a reception antenna, and a controller. The transmission antenna transmits a transmission wave. The reception antenna receives a reflected wave that is the transmission wave having been reflected. The controller detects a heartbeat of a subject that reflects the transmission wave, based on a transmission signal transmitted as the transmission wave and a reception signal received as the reflected wave. The controller forms a beam of the transmission wave in a direction of the subject to detect a heartbeat of the subject.

Abstract: An ICE imaging system is disclosed, which comprises an Intracardiac echocardiography (ICE) catheter having a longitudinal axis, a proximal end, and a distal end. The ICE catheter corresponds to a micro-electromechanical (MEMS) or other transducer based phased array ultrasound catheter with an out diameter of 6 French or smaller for delivery through an internal jugular, subclavian, axillary, innominate venous system into heart chambers for the purpose of lead placement for a pacemaker or other implantable cardioverter defibrillator (ICD) device. Further, a catheter shaft houses an electronic flex cable which is in communication with at least one signal trace, and is configured to direct a plurality of transducer array elements to transmit and receive ultrasound beams, receive at least one signal from the plurality of transducer array elements, and construct at least one image of at least a portion of the heart based on the at least one signal.

Abstract: The invention relates to a measurement device for measuring weak magnetic fields, such as fields in the sub-picotesla range (e.g. lower than a few nanotesla). The measurement device comprises ultrasensitive magnetic sensors (or arrays of ultrasensitive magnetic sensors) coupled to low-noise processing circuitry. The processing circuitry comprises a two-stage design including low-noise amplifiers and analog filters. The invention is suitable for magnetocardiovascular (MCV) applications thanks to its ability to measure very small magnetic fields with good accuracy and very little noise.

Abstract: Described are various technologies pertaining to identifying a dominant frequency in an acquired signal, such as a frequency corresponding to a human heartbeat in an acquired video signal. In connection with identifying the dominant frequency, a sub-signal of the acquired signal is extracted from the acquired signal, where the sub-signal includes Nsamples number of samples (frames). A looped signal is generated by looping the sub-signal. Nsamples is incremented, and the process is repeated until Nsamples is equivalent to a predefined threshold; accordingly, numerous looped signals are formed. The dominant frequency is identified based upon the looped signal and presented with the corresponding uncertainty based on harmonic analysis.

Abstract: The system can include: an array of magnets. In variants, the system can function to generate a homogenous magnetic field within a sample (e.g., in the pulp of a finger). In an example, the system can be used for nuclear magnetic resonance (NMR) imaging and/or magnetic resonance imaging (MRI). In a specific example, the system can be used to measure blood analyte levels (e.g., glucose levels) within a sample.

Abstract: Systems, devices, and methods for collection, editing, and playback of data collected from an imaging system for generating a virtual perspective of a scene are disclosed. In one example perspective, an imaging system includes a camera array configured to capture multiple images of a scene. Each of the multiple images includes color data represented in a Bayer pattern that includes a blue channel, two green channels, and a red channel. The system also includes an image processing device configured to receive the multiple images captured by the camera array, split each of the multiple images represented in the Bayer pattern into four individual color planes, form at least one set of data by combining the four individual color planes of the multiple images, and compress the at least one set of data.

Abstract: A drive assembly for driving an imaging catheter has a rotatable fiber and a rotatable drive shaft. The drive assembly includes a fiber optic rotating junction and a motor configured to rotate the rotatable portion of the fiber optic rotating junction. In some embodiments, the drive assembly includes a sensor configured to detect a rotational position of the fiber optic rotating junction and a processor configured to obtain the detected rotational position and stop the motor only when the fiber optic rotating junction is in a predetermined rotational position. In some embodiments, the motor includes a hollow shaft through which at least a portion of the fiber optic rotating junction extends.

Abstract: Systems and methods for synthetic generation of face videos are described. An embodiment includes receiving an input image; encoding the input image into a UV albedo map, a 3D mesh, an illumination model LSH, and a camera model c; decomposing the UV albedo map into a UV physiological map; varying the UV physiological map according to a target Remote Photoplethysmography (rPPG) signal; generating a plurality of modified PPG UV maps; combining at least one modified PPG UV map with the illumination model LSH, camera model c to render final frames with randomized motion; and generating a synthetic rPPG video using the final frames with randomized motion.

Abstract: The present disclosure provides a method, an apparatus and a system for filtering pulse signal motion interference. The method comprises: irradiating a skin of a target human body in motion with a green light source in real time, so as to acquire a corresponding pulse signal from the target human body in real time; preprocessing the acquired pulse signal; and adaptively filtering the preprocessed pulse signal based on acceleration data of the target human body acquired in real time, so as to filter out a motion artifact interference of the pulse signal. The present disclosure can effectively improve the accuracy and effectiveness of filtering the pulse signal motion interference of a person in motion without a large amount of data, with a simple calculation process and without a plurality of PPG sensors, and can effectively improve the real-time performance for filtering the pulse signal motion interference.

Abstract: Methods and apparatus for treating a patient. The method includes acquiring a plurality of radio frequency (RF) signals with an ultrasound transducer, each RF signal representing one or more return echoes from a scan line of a pulse-mode echo ultrasound scan. A position of the ultrasound transducer corresponding to each of the acquired RF signals is determined, and a plurality of contour lines generated from the plurality of RF signals. The method estimates a 3-D shape and position of an anatomical feature, such as a joint of patient based on the generated contour lines and corresponding ultrasound transducer positions. An apparatus, or computer includes a processor and a memory with instructions that, when executed by the processor, perform the aforementioned method.

Abstract: A computer-assisted needle insertion method is provided. The computer-assisted needle insertion method includes the following steps. A first machine learning model and a second machine learning model are obtained. A computed tomography image and a needle insertion path are obtained, a suggested needle insertion path is generated according to the first machine learning model, the computed tomography image, and the needle insertion path, and the needle is instructed to approach a needle insertion point on a skin of a target. The needle insertion point is located on the suggested needle insertion path. A breath signal of the target is obtained, and whether a future breath state of the target is normal is estimated according to the second machine learning model and the breath signal. A suggested needle insertion period is output according to the breath signal in response to determining that the future breath state is normal.

Abstract: A wearable probe includes a sensor module and a control module. The sensor module includes a transmission source to transmit signals into the tissue at a source position, and two detectors to detect a result of the signals, the two detectors including a first detector positioned at a first separation distance from the source position and a second detector positioned at a second separation distance from the source position. The control module includes a controller and a battery to power the controller and the sensor module. The control module includes a processor, a memory including instructions, and a communications interface. The instructions cause the processor to control the sensor module to transmit signals into the tissue and detect results of the signals with the at least two detectors, receive the detected results, store the detected results in the memory, and transmit the detected results to a remote device.

Abstract: The disclosed technology includes a medical probe comprising a substantially cylindrical structure including a proximal circular base, a distal circular base substantially parallel to the proximal circular base, and plurality of spines extending along a longitudinal axis between the proximal circular base and the distal circular base, and a membrane positioned over the plurality of spines defining an internal volume about the longitudinal axis. The plurality of spines comprise a bifurcated portion positioned along at least a portion of the spine between the distal circular base and the proximal circular base. The membrane comprises one or more electrodes coupled to an external surface of the membrane. The membrane is configured to permit fluid communication from outside the membrane to the internal volume.