Abstract: Among the various aspects of the present disclosure is the provision of methods and systems for segmenting images and expediting a contouring process for MRI-guided adaptive radiotherapy (MR-IGART) comprising applying a convolutional neural network (CNN), wherein the CNN accurately segments organs (e.g., the liver, kidneys, stomach, bowel, or duodenum) in 3D MR images.

Abstract: Improved optical coherence tomography systems and methods to measure thickness of the retina are presented. The systems may be compact, handheld, provide in-home monitoring, allow the patient to measure himself or herself, and be robust enough to be dropped while still measuring the retina reliably.

Abstract: An electrosurgical connection unit for a surgical robot arm to connect an electrosurgical instrument attached to the arm to an electrosurgical generator. The electrosurgical connection unit includes an input port connectable to the electrosurgical generator, the input port configured to receive a driving electrosurgical signal and output one or more activation signals; an output port connectable to the electrosurgical instrument, the output port configured to output the driving electrosurgical signal received on the input port; one or more activation switch units, wherein activation of an activation switch unit causes an activation signal to be output from the input port indicating a driving electrosurgical signal with a desired waveform is to be activated; and a control unit configured to selectively activate one of the one or more activation switch units in response to a control signal.

Abstract: The present disclosure discloses a dual-screen base support for computer extension, including: a mounting plate, wherein one side of the mounting plate is movably connected with a first connection shaft; a connection plate is mounted on the first connection shaft; one side of the connection plate is movably connected with a second connection shaft; a first mounting socket is mounted on the second connection shaft; the other side of the mounting plate is movably connected with a sliding plate; a front end of the sliding plate is movably connected with a third connection shaft; a second mounting socket is mounted on the third connection shaft. According to dual-screen base support for computer extension, an extended screen is arranged on an external structure, thus avoiding application of pressure to a screen of a notebook computer. Furthermore, when not in use, the extended screen can be quickly folded, which facilitates transportation.

Abstract: A computer-implemented method for providing a scene with synthetic contrast includes receiving preoperative image data of an examination region containing a hollow organ, wherein the medical image data images a contrast agent flow in the hollow organ; receiving intraoperative image data of the examination region of the examination subject, wherein the intraoperative image data images a medical object at least partially disposed in the hollow organ, generating the scene with synthetic contrast by applying a trained function to input data, wherein the input data is based on the preoperative image data and the intraoperative image data, wherein the scene with synthetic contrast images a virtual contrast agent flow in the hollow organ taking into account the medical object disposed therein, wherein at least one parameter of the trained function is based on a comparison between a training scene and a comparison scene; and providing the scene with synthetic contrast.

Abstract: A contact detection system is configured to classify each pixel in a plurality of pixels included in an ultrasound image captured by an ultrasound probe located within a patient as either showing tissue or showing non-tissue; determine an average pixel classification representative of a number of pixels classified as showing tissue compared to a number of pixels classified as showing non-tissue; determine, if the average pixel classification is above a first contact state threshold, that the ultrasound probe is in a first contact state that indicates that the ultrasound probe is in operative physical contact with the tissue; and determine, if the average pixel classification is below a second contact state threshold lower than the first contact state threshold, that the ultrasound probe is in a second contact state that indicates that the ultrasound probe is not in operative physical contact with the tissue.

Abstract: Presented herein are devices and systems as well as the methods of using the same for the purpose of reducing and/or ameliorating the sensation of pain, specifically, chronic pain. Particularly, in one aspect, the devices, systems, and their methods of use disclosed herein are effective for reducing peripheral nerve pain, such as resulting from traumatic nerve injury and other types of nerve damage.

Abstract: Microfluidic sensing devices utilizing microfluidic sensing electrodes are provided. In one embodiment, a method for fabrication of a microfluidic sensing electrode device for detection of analyte(s) in a fluid is provided, the method comprising: generating a chamber comprising: a tube hole configured to receive a tube, wherein the tube hole extends from a first end of the chamber to a second end of the chamber; and a plurality of electrode holes configured to receive a plurality of electrodes, wherein each of the plurality of electrode holes is in contact with the tube hole; inserting the tube into the tube hole; inserting the plurality of electrodes into the plurality of electrode holes; applying a resin to the chamber; removing the tube from the tube hole, wherein removing the tube from the tube hole exposes a sensing zone that allows the plurality of electrodes to be in contact with the fluid.

Abstract: Disclosed is a method and system for performing a procedure. The system may include a navigation system to be used to at least assist in the procedure. The system may assist in delineating objects and/or determining physical characteristics of subject portions. The system may assist in performing and/or a workflow of the procedure.

Abstract: A system (SYS) and related method for motion artifact reduction in X-ray imaging. The system (SYS) comprises an input interface (IN) for receiving a first input image (i1, I1) of an object (PAT) reconstructed from a first set of projection data, and a second input image (i2, I2) of the object reconstructed from a second set of projection data. The second set is smaller than the first set. A motion analyzer (MA) establishes an estimate for motion corruption based on the two input images. A selective combiner (?) computes an image value for an enhanced image (I1+I2, i1+i2), based on the motion estimate and on image information in the first input image (i1, I1) and/or the second input image (i2, I2).

Abstract: An embodiment of the present disclosure provides a method of providing a User Interface for serial images analysis in a user equipment, the method including: displaying a first cross-sectional image, a second cross-sectional image, and a third cross-sectional image on a first area of the user interface, which are related to a first image; displaying candidate nodule information related to the first image on at least one of the first cross-sectional image, the second cross-sectional image, and the third cross-sectional image; determining the candidate nodule information related to a user input as first nodule information related to the first image, based on the user input on the user interface; and displaying the first nodule information in such a way that the candidate nodule information related to the user input is replaced with the first nodule information, in which the candidate nodule information may be generated based on a first nodule dataset obtained by inputting the first image to a deep learning algo

Abstract: A method includes obtaining a model of a bone of a patient, identifying a plurality of landmarks of the model of the bone, defining a plane of the patient, determining an axis based on the plurality of landmarks and the plane, and planning a planned pose of an implant relative to the bone based on a relationship between a model of the implant, the axis, and the plane.

Abstract: A system and method may be used to evaluate soft tissue. A knee arthroplasty soft tissue evaluation may use an adjustable spacer, such as varying sized physical spacers or an inflatable bladder, along with a sensor to measure force, pressure, gap distance, or the like during a range of motion test. A method may include maintaining an equal pressure or gap distance for a medial component and a lateral component of an adjustable spacer during a range of motion test. Information, including, for example a maximum or minimum gap distance or pressure may be determined during the range of motion test. The determined information may be output for display or used to update a surgical plan.

Abstract: An optoacoustic probe for optoacoustic imaging of a tissue is provided. The probe has a distal end operable to contact the tissue and a proximal end. A transducer assembly is configured to receive optoacoustic return signals. An optical window is configured to carry light along a light path to the tissue. The housing comprises a distal portion that has a probe face that includes an acoustic opening into which the transducer assembly is disposed and an optical opening into which the optical window is disposed. The transducer assembly and the optical window extend proximally from the probe face. A gasket is disposed within the optical opening at the probe face and extends at least partially around the optical window. The gasket is configured to form an optoacoustic barrier to at least partially optically and acoustically isolate at least a portion of the optical window from the housing of the probe.

Abstract: Provided are a medical image processing apparatus, an endoscope system, a medical image processing method, and a program that may support search using information on an unobserved region of interest. The medical image processing apparatus includes an image acquisition unit (40) that acquires an observation image (38); a display signal transmission unit (44) that transmits, to a display apparatus (400), a first display signal indicating the observation image; a region-of-interest detection unit (50) that detects a region of interest from the observation image; and an unobserved image storage unit (71) that stores an unobserved image satisfying an unobserved condition indicating that the region of interest is yet to be observed from the observation image in which the region of interest is detected.

Abstract: The present disclosure provides a cannula assembly having a tube with an internal lumen, a proximal end portion and a distal end portion configured for insertion into a patient. The cannula assembly further includes a housing rotatably coupled to the tube between a closed position and one or more open positions. The housing contains an electronic component comprising an image transmission device, such as a camera, for collecting and receiving images of the surgical site. The housing is adapted to provide the image transmission device with a longitudinal or forward view when the housing is in the closed position and a transverse view (i.e., offset from the longitudinal axis) when the housing is in one of the open positions. The housing is disposed distal to the proximal end portion and proximal to the distal end portion of the tube to protect the image transmission device as the distal end portion creates an incision and/or passes through an existing incision in the patient.

Abstract: This disclosure relates to a system that synchronizes the presentation of medical images in multiple contexts and methods thereof. The system includes a variety of contexts that display medical images, and the contexts are connected by communication channels. When a user edits or otherwise interacts with one of the contexts, a message is sent to other contexts via the communication channels, and the other contexts can adjust their presentation of medical images to achieve synchronization.

Abstract: Embodiments herein provide a system and method for screening and monitoring of cardiac diseases by analyzing acquired physiological signals. Unlike state of art approaches that consider only synchronized ECG and PPG signals for cardiac health analysis and do not consider PCG which is a critical signal for CAD analysis, the system synchronously captures physiological signals such as photo plethysmograph (PPG), phonocardiogram (PCG) and electrocardiogram (ECG) from subject(s) and builds an analytical model in the cloud for analyzing heart conditions from the captured physiological signals. The system and method provides a fusion based approach of combining the captured physiological signals such as PPG, PCG and ECG along with other details such as subject clinical information, demography information and so on. The analytical model is pretrained using ECG. PPG and PCG along with metadata associated with the subject such as demography and clinical information.

Abstract: An X-ray imaging device includes an X-ray irradiation module, an X-ray detection module and an image processor. The image processor is configured to perform: acquiring a high-energy image and a low-energy image respectively obtained by X-ray of relatively high-energy and X-ray of relatively low-energy; generating high-energy frequency component images for each of a plurality of frequency bands by decomposing the high-energy image; generating low-energy frequency component images for each of a plurality of frequency bands by decomposing the low-energy image; generating merged frequency component images by merging at least a portion of the high-energy frequency component images for each of the plurality of frequency bands and at least a portion of the low-energy frequency component images for each of the plurality of frequency bands; and generating a standard image using the merged frequency component images.

Abstract: Examples of this disclosure include a medical imaging system having a control module, a foldable touchscreen with at least a first touchscreen section and a second touchscreen section extending from the first section and being tiltable relative to the first section. The control module has a watertight surface resistant to liquids and configured to be cleanable by disinfectant liquid on the first and second sections, and between the two sections. Other examples include a method for medical imaging that includes displaying a first image generated by the imaging system on the third section of the system, duplicating the first image, displaying the first duplicated image on at least one of the first section and the second section such that a user can at least one of mark an area on the latter and have annotation options, and in response, processing the first image using a predefined algorithm.

Abstract: A displacement mechanism for placing an optical device onto a patient's eyes and removing the optical device from the patient's eyes when the patient is located in a patient bore of a medical imaging system. The mechanism includes a pneumatic device and a resilient element attached between an inner surface of the patient bore and the optical device wherein the resilient element extends through the pneumatic device and wherein the optical device is spaced apart from the patient's eyes in a first position. A pump inflates the pneumatic device to move the optical device to a second position wherein the optical device is placed on the patient's eyes. Inflation of the pneumatic device extends the resilient element and biases the resilient element to return to the first position. A vent valve vents air from the pneumatic device to return the optical device to the first position.

Abstract: A method, apparatus and computer-readable medium for avoiding collisions between a subject and a radiotherapy device are provided. At a first time point, first location information for the subject is measured using a first sensor and a second sensor. A spatial profile of the subject is determined based on the first location information. At a second time point, second location information for the subject is measured using the first sensor. At this second time point, a line of sight between the second sensor and the subject is obscured. It is determined whether a collision is expected to occur between the subject and the radiotherapy device based on the spatial profile and the second location information.

Abstract: The present disclosure relates to use of a workflow for automatic prescription of different radiological imaging scan planes across different anatomies and modalities. The automated prescription of such imaging scan planes helps ensure contiguous visualization of the different landmark structures. Unlike prior approaches, the disclosed technique determines the necessary planes using the localizer images itself and does not explicitly segment or delineate the landmark structures to perform plane prescription.

Abstract: Disclosed is a computer-implemented method which encompasses registering a tracked imaging device such as a microscope having a known viewing direction and an atlas to a patient space so that a transformation can be established between the atlas space and the reference system for defining positions in images of an anatomical structure of the patient. Labels are associated with certain constituents of the images and are input into a learning algorithm such as a machine learning algorithm, for example a convolutional neural network, together with the medical images and an anatomical vector and for example also the atlas to train the learning algorithm for automatic segmentation of patient images generated with the tracked imaging device. The trained learning algorithm then allows for efficient segmentation and/or labelling of patient images without having to register the patient images to the atlas each time, thereby saving on computational effort.

Abstract: A method is disclosed for generating sinograms by sampling a plurality of transducers acoustically coupled with the surface of a volume of tissue over a period of time after a light pulse at one wavelength, and after another light pulse at a different wavelength, and for processing those sinograms, reconstructing at least two optoacoustic images from the two sinograms, processing the two optoacoustic images to generate two envelope images and generating a parametric map from information in the two envelope images. In an embodiment, motion and tracking are determined to align the envelope images. In an embodiment, at least a second parametric map is produced from information in the same two envelope images. In an embodiment an ultrasound image is also acquired, and the parametric map is coregistered with and overlayed upon the ultrasound image, and then displayed.

Abstract: A method for calculating a subject's state or condition comprises integrating data that are captured from multiple sources, storing the integrated data in a first database, calculating time intervals in which to collect an optimal amount of data to predict the subject state, developing a predictive model using a recorded diary or electronic data capture information, testing the model against a portion of the captured data, and applying the predictive model to new data from other sources. The predictive model may determine a subject state that may be a digital bio-marker for a disease condition. A system for predicting subject state is also disclosed.

Abstract: Image analysis methods based on an ultrasound imaging device and ultrasound imaging devices are provided. An image analysis method may include: obtaining an image of a first section of a target object; generating a first analysis result corresponding to the target object according to the image of the first section; obtaining an image of a second section of the target object; generating a second analysis result corresponding to the target object according to the image of the second section; generating a diagnostic analysis result of the target object according to the first analysis result and the second analysis result; and displaying the diagnostic analysis result of the target object.

Abstract: A method for improving machine learning algorithm performance is described. The method may comprise receiving a first constituent image of human tissue; receiving a second constituent image of human tissue; overlapping a portion of the second constituent image on a portion of the first constituent image to create an augmented image; and training a model using a dataset comprising at least the augmented image.

Abstract: One embodiment provides a method, the method including: obtaining, using at least one sensor of an information handling device facilitating a video conference, at least one image of a portion of a user of the information handling device participating in the video conference, wherein at least one participant in the video conference is located remotely with respect to the user; identifying, using an image diagnosis system, a condition of the portion of the user by analyzing the at least one image of the portion of the user; and transmitting, using the image diagnosis system, the condition to the at least one participant. Other aspects are claimed and described.

Abstract: A magnetic field generator that comprises at least three groups of magnets, the magnetic moment of each magnet being rotatable about a rotation axis, wherein each group comprises at least two magnets, and each group has an orientation in the sense that the rotation axes of the magnetic moments of the magnets of the same group extend in the group's orientation. The orientations of the different groups are linearly independent.

Abstract: A surgical visualization system for use with a robotic surgical system that includes a surgical tool movable with respect to a tissue of a patient in response to an instrument motion control signal is disclosed. The surgical visualization system includes a camera and a control circuit coupled to the camera. The control circuit is configured to determine a distance between the surgical tool and the tissue and adjust a magnification of the camera based on the distance between the surgical tool and the tissue.

Abstract: A system and method for creating a cavity with a drill assembly provides a powered drill shaft assembly having an articulating tip and a position sensor along the drill shaft; a drill motor assembly with a rotational motor, linear actuator, torque sensor, rotation sensor, electrical resistance sensor and a controller unit having a plurality of programs providing user interface and controlling the operation of the powered drill arrangement; a shroud for the drill shaft with a water port; and a computer software package that combines user specifications with sensor data to control activation and displacement of the drill with a user interface, controls the motor for rotational speed and drilling depth, and gives sensor status, and a display displaying status of a drilling procedure and an image from an imaging device, and that is programmable for a set of parameters for a drilling procedure.

Abstract: There is provided an image processing device comprising a processor, in which the processor acquires a plurality of endoscopic images obtained by picking up images of an observation target with an endoscope, calculates a raw score related to a determination of a severity or a stage of a disease of the observation target, on the basis of each of the endoscopic images, decides a final score on the basis of the raw score, and performs control to display the final score and/or a change over time of the final score in real time on a display.

Abstract: Image data is processed for noise reduction before encoding and subsequent decoding. For an input image in a spatial domain, two-dimensional (2-D) wavelet coefficients at multiple levels are generated. Each level includes multiple subbands, each associated with a respective subband type in a wavelet domain. For respective levels, a flat region of a subband is identified, which flat region includes blocks of the subband having a variance no higher than a first threshold variance. A flat block set for the subband type associated with the subband is identified, which includes blocks common to respective flat regions of the subband. A second threshold variance is determined using variances of the flat block set, and is then used for thresholding at least some of the 2-D wavelet coefficients to remove noise. After thresholding, a denoised image is generated in the spatial domain using the levels.

Abstract: Methods, systems, and devices for calibrating a medical instrument are discussed herein. For example, a first instrument can be configured to access an anatomical site via a first access path and a second instrument can be configured to access the anatomical site via a second access path. The second instrument can include an imaging component configured to provide image data representative of the anatomical site and the first instrument. A difference can be identified between a first coordinate frame associated with the first instrument and a second coordinate frame associated with the second instrument. A control frame of reference associated with the first instrument can be updated based at least in part on the difference.

Abstract: There are provided a sample acquisition information management device, a sample acquisition information management system, and a sample acquisition information management method that allow a subject who is to collect a sample by oneself to reliably perform a sample acquisition operation. Each of the sample acquisition information management device and the sample acquisition information management system includes an image acquisition unit (16) that acquires an image and a video of a sample acquisition operation of a subject using a sample examination kit, an output unit (18) that outputs acquisition means information and operation check information, and a processing unit (20) that determines whether or not the image or the video acquired by the image acquisition unit (16) corresponds to a correct sample acquisition operation and controls display of the acquisition means information and the operation check information.

Abstract: A system and method for guidance of a device having a curved needle to a target tissue includes a tracking system having an imaging component, a processor, and a curved needle with known geometric parameters. The processor is configured to calculate a needle trajectory based on geometric considerations of the needle and the target tissue. Additional features and methods of the invention include a display with an annotated overlay for directing and tracking the curved device.

Abstract: A method and apparatus monitors chronic disease state of a patient. The method may include extracting, in a processor, for each of a plurality of monitoring sessions, a respiratory feature from a respiratory signal indicative of the patient's respiration during the monitoring session, the respiratory signal derived from at least one sensor; and computing, in a processor, a stability measure of the patient for a monitoring session, the stability measure representing an indication of a change point having occurred at the monitoring session in a statistical distribution of the respiratory feature.

Abstract: A detection unit detects a lesion candidate contained in display frame data (a tomographic image), using a machine learned detection model. An exclusion processing unit collates a feature vector of the detected lesion candidate with feature vectors registered in an exclusion database to determine whether the detected lesion candidate is an exclusion target. When the detected lesion candidate is an exclusion target, a mark display control unit restricts display of a mark for indicating a lesion candidate.

Abstract: A magnetic resonance imaging device according to an embodiment includes a processing circuitry. The processing circuitry obtains, from an image of a test subject taken by an optical photographing device, image-related information regarding at least either the test subject or a radio frequency (RF) coil attached to the test subject. Then, the processing circuitry selects statistical information about the attachment position of the RF coil based on the image-related information. Subsequently, the processing circuitry outputs the attachment position of the RF coil corresponding to the statistical information.

Abstract: A system and method for personalized diagnosis of human body surface conditions from images acquired from a mobile camera device. In an embodiment, the system and method is used to diagnose skin, throat and ear conditions from photographs. A system and method are provided for data acquisition based on visual target overlays that minimize image variability due to camera pose at locations of interest over the body surface, including a method for selecting a key image frame from an acquired input video. The method and apparatus may involve the use of a processor circuit, for example an application server, for automatically updating a visual map of the human body with image data. A hierarchical classification system is proposed based on generic deep convolution neural network (CNN) classifiers that are trained to predict primary and secondary diagnoses from labelled training images.

Abstract: Provided is to a system with an interface for providing visualization data for visualizing at least one section of a patient's eye, comprising an OCT device for capturing OCT scanning data by scanning the section of the patient's eye by means of an OCT scanning beam and comprising a computer unit for processing the OCT scanning data into the visualization data within the scope of an image rectification algorithm, which is designed to output the visualization data at the interface.

Abstract: Systems and methods for locating abnormalities within a breast and generating mappings of structures, such as ducts, within the breast. First imaging data may be acquired for a breast from a first imaging modality and second imaging data for the breast from a second imaging modality. The first imaging data is co-registered with the second imaging data, such that the first imaging data and the second imaging data share a common coordinate space. Based on the second imaging data, a plurality of structures within the breast are mapped to generate a mapping of the plurality of structures. From at least one of the first imaging data or the second imaging data, the abnormality in the breast is located. The mapping of the plurality of structures and the located abnormality in the breast may be concurrently displayed. A statistical analysis of the mapping of the breast structures may also be performed.

Abstract: Disclosed is an intraluminal ultrasound imaging system, comprising a processor circuit in communication with an intraluminal ultrasound imaging catheter, and configured to receive an intraluminal ultrasound image from the imaging catheter within a body lumen of a patient, the body lumen comprising a plurality of segments. The processor is configured to identify a segment of the plurality of segments where the imaging catheter was located when the image was obtained, and output to a display a stylized figure of the body lumen including the plurality of segments, and an indicator identifying the segment in the stylized figure where the imaging catheter was located when the image was obtained.

Abstract: Systems and methods for determining beam asymmetry in a radiation treatment system using electronic portal imaging devices (EPIDs) without implementation of elaborate and complex EPID calibration procedures. The beam asymmetry is determined based on radiation scattered from different points in the radiation beam and measured with the same region of interest ROI of the EPID.

Abstract: Aspects of the present invention relate to providing assistance to medical professionals during the performance of medical procedures through the use of technologies facilitated through a head-worn computer.

Abstract: An apparatus, system, and method are disclosed for monitoring the motion, breathing, heart rate of humans in a convenient and low-cost fashion, and for deriving and displaying useful measurements of cardiorespiratory performance from the measured signals. The motion, breathing, and heart rate signals are obtained through a processing applied to a raw signal obtained in a non-contact fashion, typically using a radio-frequency sensor. Processing into separate cardiac and respiratory components is described. The heart rate can be determined by using either spectral or time-domain processing. The respiratory rate can be calculated using spectral analysis. The sensor, processing, and display can be incorporated in a single device which can be worn or held close to the body while exercising, or alternately placed in a fixed piece of exercise equipment at some distance form the body, and may also be integrated with other sensors, such as position locators.

Abstract: A method and system for computer assisted orthopedic feedback of at least one surgical object relative a pre-operative plan are disclosed. The pre-operative plan includes a virtual object, which is the virtual representation of the surgical object, and a virtual structure, which is the virtual representation of the patient structure.

Abstract: A catheter-based imaging apparatus comprises a catheter having a proximal end and a distal end. An optical emitter is configured to emit optical excitation signals from a distal portion of the catheter. One or more ultrasound transducers are configured for: (a) transmission of acoustic excitation signals from the distal portion of the catheter; and (b) detection of ultrasound response signals from an object of interest at or near to the distal portion of the catheter at frequencies which include a lower receive frequency at least as low as 10 MHz and a higher receive frequency at least as high as 35 MHz. The one or more ultrasound transducers are thereby configured to detect response signals comprising photoacoustic response signals from the object of interest at the lower receive frequency and high resolution imaging signals from the object of interest at the higher receive frequency.

Abstract: A system and method configured to better identify patient-specific anatomical landmarks, measure anatomical parameters and features, and predict the patient's need for surgery within a predetermined time period. In some embodiments, the system and method is configured to predict the likelihood or risk that a patient will require total hip arthroplasty. In some embodiments, the present invention includes machine learning technology Some embodiments of the present invention include a first ML machine configured to received medical images as inputs and identify anatomical landmarks as outputs; a measurement module to measure joint space width, hip dysplasia angles, and/or leg length differential; and a second ML machine configured to receive the anatomical measurements and patient demographic data as inputs and produce a risk or likelihood that the patient will require surgery within a certain time frame.