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: The present disclosure relates to systems and methods for visualizing a guidewire in a roadmap image. In accordance with certain embodiments, a method includes generating a background mask as a function of at least one background image, wherein the at least one background image includes a blood vessel of interest, generating a contrast mask as a function of at least one contrast image, wherein the at least one contrast image includes a contrast within the blood vessel of interest, receiving a guidewire image, wherein the guidewire image includes a guidewire within the blood vessel of interest, generating a roadmap image as a function of the background mask, contrast mask, and guidewire image, wherein the roadmap image includes the blood vessel of interest, and the guidewire, and outputting the roadmap image to a display.

Abstract: In an image recording apparatus and an operation method therefor, image data of a patient are recorded with the use of a contrast medium administered to the patient. A computer of the image recording apparatus is provided with an image recording information item, describing the upcoming image recording carried out according to a multi-step sequence and with at least one patient information describing a property of the patient. The computer determines a contrast medium administration information item from these received information items, which designates at least one contrast medium quantity to be administered to the patient and a point in time in the sequence of the upcoming image recording. The contrast medium administration information item is displayed to a user of the image recording apparatus at the determined point in time on a display of the image recording apparatus.

Abstract: Apparatus and methods are described for use with a bodily emission of a subject that is disposed within a toilet bowl. While the bodily emission is disposed within the toilet bowl, light is received from the toilet bowl using one or more light sensors. Using a computer processor, intensities of at least two spectral bands that are within a range of 530 nm to 785 nm are determined, by analyzing the received light, and a ratio of the intensities of the two spectral bands is determined. In response thereto, the computer processor determines that there is a presence of blood within the bodily emission. The computer processor generates an output on an output device, at least partially in response thereto. Other applications are also described.

Abstract: A system and method for intra-operatively measuring or verifying the placement of an implant within a bone in joint arthroplasty procedures are described herein. Pre-operative bone data of the patient is collected. A user plans the position of one or more implants relative to the pre-operative bone data. Intra-operatively, the patients bone is registered to the pre-operative bone data and to a computer-assist device. The bone is prepared and a physical implant is installed with the bone. A plurality of points are digitized on at least one of the physical implant or an apparatus associated with the physical implant. The computer-assist device calculates any errors between the planned position and orientation (POSE) of the implant relative to the actual POSE of the physical implant using the digitized points. The system may further notify a user of any errors and provide instructions to minimize the errors.

Abstract: A surgical planning computing system and related surgical method include identifying an anatomical landmark of a patient's bony anatomy in a three-dimensional anatomical image and determining positioning criteria for an orthopedic prosthesis to be implanted into the patient's bony anatomy. The positioning criteria may define an alignment between the anatomical landmark and a feature of the orthopaedic prosthesis. A three-dimensional model of the orthopaedic prosthesis is positioned in the three-dimensional model based on the positioning criteria to provide a surgical plan for the implantation of the orthopaedic prosthesis.

Abstract: A system and method are provided herein for modeling of force vectors for serial casts to correct orthopedic deformities includes a camera configured to capture a three-dimensional image of the deformity, a computing device programmed to generate a three-dimensional model of the deformity based on the image of the deformity, determine the boundary conditions for the deformity based on the three-dimensional image of the deformity, and generate force vectors for a series of casts to correct the deformity. In exemplary embodiments, the system can print a series of casts to correct the deformity.

Abstract: Micromachined ultrasonic transducer (MUT) arrays capable of multiple resonant modes and techniques for operating them are described, for example to achieve both high frequency and low frequency operation in a same device. In embodiments, various sizes of piezoelectric membranes are fabricated for tuning resonance frequency across the membranes. The variously sized piezoelectric membranes are gradually transitioned across a length of the substrate to mitigate destructive interference between membranes oscillating in different modes and frequencies.

Abstract: Visualizing three dimensional content is complicated by display platforms capable of more degrees of freedom to display the content than interface tools have to navigate that content. Disclosed are methods and systems for displaying select portions of the content and generating virtual camera positions with associated look angles for the select portions, such as planar geometries of a three dimensional building, thereby constraining the degrees of freedom for improved navigation through views of the content. Look angles can be associated with axes of the content and fields of view.

Abstract: Techniques are provided for improving image data quality, such as in functional imaging follow-up studies, using reconstruction, post-processing, and/or deep-learning enhancement approaches in a way that automatically improves analysis fidelity, such as lesion tracking fidelity. The disclosed approaches may be useful in improving the performance of automatic analysis methods as well as in facilitating reviews performed by clinician.

Abstract: A magnetic field generator assembly is configured to be associated with a table supporting a body. The magnetic field generator comprises magnetic field transmitters that are thin (of minimal height) and transparent, or substantially transparent, to x-ray radiation. The magnetic field transmitters are configured to minimally obstruct components of an imaging system and to minimally interfere with image quality.

Abstract: Apparatus and methods are described including tracking a tool portion and a patient marker from a first line of sight, using a first tracking device disposed upon a first head-mounted device that includes a display. The tool portion and the patient marker are tracked from a second line of sight, using a second tracking device. When a portion of the patient marker and the tool portion are both within the first line of sight, an augmented reality image is generated upon the first display based upon data received from the first tracking device and without using data from the second tracking device. When at least the patient marker portion and the tool portion are not both within the first line of sight, a virtual image of the tool and anatomy of the patient is generated using data received from the second tracking device. Other applications are also described.

Abstract: This invention describes how users can capture digital artifacts from any medical device using their mobile device. Some examples of medical devices included, but are not limited to a medical ID card, Medical ID bracelet, Electronic Medical Records, blood pressure machines, blood glucose, scales, inhalers, INR, prescription bottles and trays, pulse oximeter , etc.

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: An exoscope with enhanced depth of field imaging is provided. The exoscope includes first and second sets of optical devices, the first set having a fixed image plane, the second set having a variable image plane adjacent the fixed image plane of the first set. The second set includes at least one variable device configured to change the position of the variable image plane. A beamsplitter splits light from a combined optical path of the first and second set to respective image devices of the first and second set of optical devices. A controller controls the at least one variable device to change the position of the variable image plane relative to the fixed image plane, combines images acquired by the respective image devices, and controls a display device to render a combined image.

Abstract: A system and/or method for detecting a ferromagnetic object during surgery comprises a probe tip magnetoresistance device configured for insertion into a human or animal cavity and a probe base magnetoresistance device configured for remaining outside the cavity. The system and method detect the ferromagnetic object by comparing the electrical signals generated by the probe tip and the probe base magnetoresistance devices in response to the ambient magnetic field without generating a magnetic field to detect the ferromagnetic object.

Abstract: The disclosure provides a system that may: determine first multiple focal point distances associated with respective multiple positions of a plane orthogonal to a laser beam; determine second multiple focal point distances associated with the respective multiple positions via for each position of the multiple positions: determine multiple intensity values associated with respective multiple interim focal point distances, each interim focal point distance greater than each focal point distance of the first multiple focal point distances associated with the position; determine an interim focal point distance respectively associated with a maximum intensity value; and determine a focal point distance as the interim focal point distance; and determine a depth of at least one incision in an eye based at least on differences between each of the second multiple focal point distances and each respective one of the first multiple focal point distances.

Abstract: Navigation of an instrument within a luminal network can include image-based airway analysis and mapping. Image-based airway analysis can include detecting one or more airways in an image captured within a luminal network and determining branching information indicative of how the current airway in which the image is captured branches into the detected “child” airways. Image-based airway mapping can include mapping the one or more detected airways to corresponding expected airways of the luminal network in the preoperative model.

Abstract: This application discloses a system for providing information related to an observed entity to a user. The system includes an information database, a score database, an inference engine and an information providing module. The information database has a plurality of messages stored therein and the messages are related to the observed entity. The score database has a plurality of scores recorded thereinto, and the scores are corresponding to the messages and are input by the user. The inference engine retrieves at least one selected message from the messages stored in the information database according to at least one source data and the score database and generates a list of the selected message. The information providing module provides the selected message to the user according to the list.

Abstract: Systems, methods, and tangibly-implemented software instructions for supporting a teleoperated surgical system (TSS). A surgical input that includes monitored events of the TSS, is received. A current stage of the surgical procedure is autonomously determined based on the surgical input. A call for surgeon assistance may be detected, in response to which context-relevant assistance may be provided to a surgeon console of the TSS, the context-relevant assistance being stage-synchronized with the surgical procedure.

Abstract: A device may provide, to a camera and a projector of a portable projection mapping device, first instructions for calibrating the camera and the projector, and may receive, based on the first instructions, calibration parameters for the camera and the projector. The device may calculate a stereo calibration between the camera and the projector based on the calibration parameters, and may provide, to the camera, second instructions for recognizing a reference instrument associated with the portable projection mapping device. The device may receive, based on the second instructions, binocular images, and may determine additional parameters based on the binocular images. The device may determine recognition parameters for recognizing the reference instrument, based on the binocular images and the additional parameters.

Abstract: Disclosed are an apparatus and a method for lesion analysis based on a marginal feature. The method for lesion analysis based on a marginal feature according to an embodiment of the present disclosure may include receiving image data for a target region, identifying a lesion region from the image data, deriving a marginal feature for a lesion based on intensity information of the identified lesion region, and inferring an attribute associated with the lesion based on the marginal feature.

Abstract: A control device including: a control unit that, in a case in which continuous imaging that irradiates a breast of a subject with radiation emitted from a radiation source to capture a radiographic image in a compressed state in which the breast is compressed against an imaging table by a compression member and then captures an ultrasound image of the breast in the compressed state is performed, performs control to locate the radiation source at a non-facing position where the radiation source and the imaging table do not face each other.

Abstract: The present invention relates to a surgical microscope with a field of view and comprising an optical imaging system which images an inspection area which is at least partially located in the field of view, and to a method for a gesture control of a surgical microscope having an optical imaging system. The surgical microscope further comprises a gesture detection unit for detection of a movement of a surgical instrument, the gesture detection unit having a detection zone which is located between the inspection area and the optical imaging system and is spaced apart from the inspection area, and the gesture detection unit being configured to output a control signal to the optical imaging system depending on the movement of the surgical instrument in the detection zone, the optical imaging system being configured to alter its state depending on the control signal.

Abstract: The present disclosure relates to head-mounted vision detection equipment, vision detection method and electronic equipment, which relates to the technical field of vision detection. The head-mounted vision detection equipment includes a virtual reality headset, a sound collection device and a fundus detection device that are arranged on the virtual reality headset, and a processor. The vision detection headset is configured to display content to be recognized under control of the processor; the sound collection device is configured to obtain a recognition voice of a wearer for the content to be recognized; the fundus detection device is configured to obtain a fundus image of the wearer; and the processor is configured to acquire the recognition voice and the fundus image.

Abstract: A current cross section searching unit identifies a current cross section corresponding to a scan plane by setting a group of provisional cross sections with respect to a tissue model corresponding to a target tissue, and calculating a degree of similarity between data of each provisional cross section and tomographic image data. An operation support information generating unit generates operation support information from difference information indicating a spatial relationship between the current cross section and a target cross section (corresponding to an observation cross section). The group of provisional cross sections set with respect to the tissue model is narrowed down based on a camera image.

Abstract: The present disclosure may be embodied as methods and/or systems for non-contact measuring of an on-body and/or inside-body motion of an individual. A sensing signal is provided within a near-field coupling range of a motion to be measured. In this way, a measurement signal may be generated as the sensing signal modulated by the motion. The sensing signal may be an ID-modulated signal. In some embodiments, the sensing signal is a backscattered RFID link provided a wireless tag. A downlink signal may be provided to power the wireless tag. The sensing signal may be a harmonic of the downlink signal. The measurement signal is detected. The motion is measured based on the measurement signal. The measurement signal may be detected as far-field radiation after transmission through a source of the motion. The measurement signal may be detected as reflected from a source of the motion as antenna reflection.

Abstract: Disclosed are techniques for automated analysis and assessments of contrast medium absorption phases in contrast medium based medical images. A target image set includes a plurality of medical images acquired to image a plurality of contrast medium absorption phases. For the images of the target image set, a set of contrast medium absorption phase probabilities are determined corresponding to likelihoods that a given image corresponds to a given contrast medium absorption phase. The determined sets of contrast medium absorption phases are compared against a reference set of contrast medium absorption phases to determine differences to determine a set of matching scores indicative of how closely the contrast medium absorption phases of the target image set align with the plurality of contrast medium absorption phases as compared to the reference set of contrast medium absorption phases.

Abstract: Example refrigerators having internal content cameras, and methods of operating the same are disclosed. A disclosed example refrigerator includes a cabinet, an internal compartment disposed within the cabinet, a closing member operatively coupled to the cabinet providing selective access to the internal compartment, two cameras disposed in the compartment and positioned to capture images of different portions of the compartment, two light sources disposed in the compartment, and a controller communicatively coupled with the cameras and light sources and configured to control the light sources to provide two different illuminations for respective ones of the two cameras.

Abstract: The present invention relates to a method, such as a surgical method for assisting a surgeon for placing screws in the spine using a robot attached to a passive structure. The present invention also related to a method, such as a surgical method for assisting a surgeon for removing volumes in the body of a patient using a robot attached to a passive structure and to a device to carry out said methods. The present invention further concerns a device suitable to carry out the methods according to the present invention.

Abstract: A camera tracking system for computer assisted navigation during surgery. The camera tracking system includes a processor operative to receive streams of video frames from tracking cameras which image a plurality of physical objects arranged as a reference array. For each of the physical objects imaged in a sequence of the video frames, that processor determines a set of coordinates for the physical object over the sequence of the video frames. For each of the physical objects, the processor generates an arithmetic combination of the set of coordinates for the physical object. The processor generates an array template identifying coordinates of the physical objects based on the arithmetic combinations of the sets of coordinates for the physical objects, and tracks pose of the physical objects of the reference array over time based on comparison of the array template to the reference array imaged in the streams of video frames.

Abstract: Methods and apparatus for predicting performance of an individual on a task, the method comprises receiving brain imaging data for the individual, wherein the brain imaging data comprises structural brain data, determining values for at least one characteristic of the structural brain data within regions of interest defined for a population of individuals having different performance levels, and predicting based on the determined values, a performance potential of the individual.

Abstract: Medical systems and methods are provided in the present disclosure. The medical system may include a first medical device mounted on a first gantry. The first medical device may be configured to perform a first operation on a first region of an object. The medical system may also include a second medical device mounted on a second gantry. The second medical device may be configured to perform a second operation on a second region of the object. The second gantry may rotate relative to the first gantry. The first region may at least partially overlap the second region.

Abstract: The systems, methods, and apparatus disclosed herein are directed to an exchangeable working channel for a surgical instrument comprising a proximal portion, a distal portion, and an instrument channel configured to receive the exchangeable working channel. The exchangeable working channel may comprise a shaft comprising a proximal region and a distal region; an inner surface defining a lumen extending through the shaft; and an outer surface configured to interface with the instrument channel of the surgical instrument. The exchangeable working channel may further comprise one or more locking members configured to releasably couple to the proximal portion or the distal portion of the surgical instrument. The exchangeable working channel may increase a service life of the surgical instrument as a worn working channel can be exchanged with a new one.

Abstract: Disclosed is an intraluminal ultrasound imaging system, including a processor circuit in communication with an intraluminal ultrasound imaging catheter, and configured to receive a plurality of intraluminal ultrasound images from the imaging catheter during movement of the imaging catheter within a body lumen of a patient, the body lumen comprising a plurality of segments. The processor circuit is further configured to generate a marker to be applied to an intraluminal ultrasound image of the plurality of intraluminal ultrasound images, wherein the marker is generated based on the movement of the intraluminal ultrasound imaging catheter, and wherein the marker is representative of a segment of the plurality of segments, and output to a display the marker and the plurality of intraluminal ultrasound images shown successively.

Abstract: A catheter kit includes a catheter having an optical fiber, and a catheter accommodating tool which accommodates the catheter. The catheter accommodating tool has a tubular hoop, and a position adjustment mechanism provided at the hoop. The hoop has a hoop tip end portion at which a catheter tip end portion, from which laser light transmitted through the optical fiber is emitted, is disposed, and a hoop base end portion which is opposite to the hoop tip end portion. The position adjustment mechanism is provided at the hoop base end portion and changes a position of the catheter tip end portion with respect to the hoop tip end portion.

Abstract: A system for providing context sensitive display overlays to a mobile device via a network comprising an overlay datastore, a processor, coupled to the datastore and programmed to receive a request from a mobile device via the network for a list of overlays, determine user context information, search the datastore for overlays matching the user context and provide the list of overlays to the mobile device via the network.

Abstract: A method includes receiving multiple electrophysiological (EP) signals acquired by multiple electrodes of a multi-electrode catheter that are in contact with tissue in a region of a cardiac chamber, and respective tissue locations at which the electrodes acquired the EP signals. The region is divided into two sections. Using the EP signals acquired by the electrodes, local activation times (LAT) are calculated for the respective tissue locations, and found are: a first section of the two sections having a smaller average LAT value, and a second section of the two sections having a higher average value. Determined are a first representative location in the first section, and a second representative location in the second section. A propagation vector is calculated between the first and second representative locations, that is indicative of propagation of an EP wave that has generated the EP signals. The propagation vector is presented to a user.

Abstract: A system including a sensored ablation probe tip and a virtual stent, said sensored ablation probe tip for use in a tooth bud ablation procedure that results in tooth agenesis, said sensored ablation probe tip for use with an ablation probe unit. A system including a sensored ablation probe tip and a stent, said sensored ablation probe tip for use in a tooth bud ablation procedure that results in tooth agenesis, said sensored ablation probe tip for use with an ablation probe unit.

Abstract: Preferred embodiments of the present invention provide an apparatus and method for providing dementia diagnosis assistance information. In the present invention, an MRI brain image and a PET brain image of a subject for diagnosis are received, the MRI brain image is divided into a plurality of regions and registered with the PET brain image. Then, a standardized uptake value ratio (SUVR) of each divided region is obtained from the registered image, and for each divided region, a standard value indicating the degree of proximity of a SUVR of the subject to the average value of the SUVR of Alzheimer's group and the average value of the SUVR of the normal group is obtained. Then, the standard value of the SUVR of the subject is displayed together with the average value and the range of the standard deviation of each control group for each of the divided regions as a graph.

Abstract: A morphing part to be morphed and a morphing effect are acquired. Human body contour point information is acquired by detecting a human contour point of a human sideway image. A morphing region is determined according to the human contour point information and the morphing part. The morphing region is an image region to be morphed in the human sideway image. A human orientation is determined according to the human contour point information. A morphing direction of the morphing region is determined according to the human orientation and the morphing effect. Morphing is performed along the morphing direction in the morphing region.

Abstract: A subject information acquisition apparatus includes a light irradiation unit configured to irradiate a subject with light, a probe configured to detect an acoustic wave generated in the subject due to the irradiation of the light, a moving unit configured to change a relative position between the probe and the subject, and a control unit configured to control the moving unit to move the probe so that the probe makes a movement along a path a plurality of times. The moving unit is controlled so that the relative position of the probe with respect to the subject when the subject is irradiated with the light during a first movement along the path differs from the relative position of the probe with respect to the subject when the subject is irradiated with the light during a second movement along the path successively performed after the first movement along the path.

Abstract: A method of designing an orthopedic implant comprising: (a) iteratively evaluating possible shapes of a dynamic orthopedic implant using actual anatomical shape considerations and kinematic shape considerations; and, (b) selecting a dynamic orthopedic implant shape from one of the possible shapes, where the dynamic orthopedic implant shape selected satisfies predetermined kinematic and anatomical constraints.

Abstract: Methods and devices are disclosed for intra-operative viewing of pre- and intra-operative 3D patient images.

Abstract: An apparatus and method for efficient image reprojection in a virtual reality system. For example, one embodiment of an apparatus comprises: a sensor interface to collect motion data from one or more sensors during a virtual reality session; graphics circuitry to execute graphics program code to render an image frame during the virtual reality session; a processor to generate motion transform data using the motion data, the motion transform data specifying how the image frame is to be adjusted prior to display; a reprojection engine to perform an in-line reprojection of the frame using the motion transform data to generate a reprojected image frame; and display circuitry to display the reprojected frame.

Abstract: A medical system includes an interventional instrument and a control system including one or more processors. The control system is configured to: receive a pose dataset for a point on the instrument retained in compliant movement with a cyclically moving patient anatomy for a plurality of time parameters during a cyclical anatomical motion; determine a set of pose differentials for the identified point with respect to a reference point at each time parameter; identify a periodic signal for the anatomical motion from the set of pose differentials; generate a command signal indicating an intended movement of the instrument relative to the patient anatomy; adjust the command signal to include an instruction for a cyclical instrument motion based on a phase of the anatomical motion; and cause the intended movement of the instrument relative to the patient anatomy based on the adjusted command signal to compensate for the anatomical motion.

Abstract: A wearable device is described. The wearable device includes a housing having a back cover, and an optical mask on first portions of the back cover. The back cover includes a set of windows, with a first subset of windows in the set of windows being defined by an absence of the optical mask on second portions of the back cover, and a second subset of windows in the set of windows being inset in a set of openings in the back cover. An optical barrier surrounds each window in the second subset of windows. A set of light emitters is configured to emit light through at least some of the windows in the set of windows. A set of light detectors is configured to receive light through at least some of the windows in the set of windows.

Abstract: A non-transitory computer readable storage medium has instructions executed by a processor to execute a feature extractor to form extracted features from images formed by a first ultrasound scanner and a second ultrasound scanner. A decision maker is operated to form predictions of medical conditions based upon patterns identified in the extracted features. An evaluator is utilized to compare the predictions to labels in images to form a feature extractor performance measure and a decision maker performance measure. A dissimilarity estimator is operated to compute a difference measure between a probability distribution of features extracted from images formed by the first ultrasound scanner and the second ultrasound scanner.

Abstract: This invention discloses a vein detection device, comprising a base, a transmitter, a detection arm and at least one receiver. The emitter is an infrared emitter which comprises a fisheye lens. An exposure portion close to the fisheye lens of the transmitter is exposed by an infrared light, thus the infrared light transforms into an infrared image which is received by the at least one receiver. A vein image is displayed on a screen which is configured on the base.

Abstract: A contactless system for assessing tissue viability and other hemodynamic parameters includes one or more light sources configured to emit lights at a predetermined wavelength sensitive to hemoglobin concentration associated with spontaneous hemodynamic oscillations at tissue in a predetermined area of a human subject. One or more polarizers are each coupled to one or more of the one or more light sources and are configured to polarize the light to a polarized state such that the polarized light in the polarized state diffuses into the tissue in the predetermined area at a predetermined depth and the polarized light is maintained in the polarized state at the predetermined depth. One or more detectors each including a detector polarizer coupled thereto are configured to discriminate the light maintained in the polarized state and at the predetermined depth and are configured to generate a plurality of frames of the tissue in the predetermined area at the predetermined depth.