Abstract: Intravascular devices, systems, and methods are disclosed. In some embodiments, side-loading electrical connectors for use with intravascular devices are provided. The side-loading electrical connector has at least one electrical contact configured to interface with an electrical connector of the intravascular device. A first connection piece of the side-loading electrical connector is movable relative to a second connection piece between an open position and a closed position, wherein in the open position an elongated opening is formed between the first and second connection pieces to facilitate insertion of the electrical connector between the first and second connection pieces in a direction transverse to a longitudinal axis of the intravascular device and wherein in the closed position the at least one electrical contact is electrically coupled to the at least one electrical connector received between the first and second connection pieces.

Abstract: A catheter assembly or other elongate tubular device for use in establishing vascular or other access within the body of a patient is disclosed. The catheter assembly is equipped with one or more sensors that enable monitoring of one or more physiological aspects of the patient or physical aspect of the catheter assembly itself when the catheter assembly is disposed within the patient. Such aspects include central venous pressure, body temperature, ECG heart signals, oxygen levels, ultrasound data, glucose, etc. The catheter assembly includes the ability to wirelessly transmit or otherwise forward data relating to the detected physiological parameters to another location, such as a patient electronic medical record, smartphone or other mobile device, nurse station, etc. Catheter assemblies configured to detect the frequency of catheter flushing, flushing quality, etc., are also disclosed.

Abstract: An apparatus for medical diagnosis and/or treatment is provides. The apparatus includes a flexible substrate forming an inflatable body and a plurality of sensing elements disposed on the flexible substrate. The plurality of sensing elements are disposed about the inflatable body such that the sensing elements are disposed at areas of minimal curvature of the inflatable body in a deflated state.

Abstract: An apparatus for medical diagnosis and/or treatment is provides. The apparatus includes a flexible substrate forming an inflatable body and a plurality of sensing elements disposed on the flexible substrate. The plurality of sensing elements are disposed about the inflatable body such that the sensing elements are disposed at areas of minimal curvature of the inflatable body in a deflated state.

Abstract: An apparatus for medical diagnosis and/or treatment is provides. The apparatus includes a flexible substrate forming an inflatable body and a plurality of sensing elements disposed on the flexible substrate. The plurality of sensing elements are disposed about the inflatable body such that the sensing elements are disposed at areas of minimal curvature of the inflatable body in a deflated state.

Abstract: A sensing assembly for sensing contact with an object is disclosed. The contact sensing assembly may comprise an elongate tubular body. An electrode may be connected to the elongate tubular body. A vibration element is operatively connected with the electrode and configured to deliver a vibration-inducing signal to induce vibration of the electrode. A sensor is configured to monitor the electrode for a perturbation in the induced vibration. The perturbation results from contact between the electrode and the object.

Abstract: A metatarsal-phalangeal joint strength measuring device is provided and includes a base plate, a first toe plate, and a first force sensor associated with the first toe plate. The base plate receives a heel of a foot and defines a longitudinal axis extending between a first edge and a second edge. The first toe plate receives at least one toe of the foot, is movable relative to the base plate, and measures a load applied to the first toe plate.

Abstract: Devices, systems, and associated methods for determining heart rate (HR) of a subject from noisy Electrocardiogram (ECG) data are disclosed and described.

Abstract: PPG sensor emits light at at least three wavelengths (Y1-Y3) and detects the reflected light. The PPG sensor comprises a motion correction unit for correcting motion artefacts from the detected light signals by subtracting the output signal of the detected light at the second wavelength (Y2) from an average of an output signal of the detected light at the first and third wavelength (Y1, Y3). The three wavelengths (Y1-Y3) are arranged around 550 nm. The second wavelength (Y2) is arranged equal distantly between the first and third wavelength.

Abstract: The subject matter discloses a method, comprising collecting information from at least one blood pressure sensor attached to a person, wherein said collected information is related to the blood pressure conditions of the person, transmitting said collected information to an analysis system, said analysis system has access to prior blood pressure measurements of the person, transmitting the person's identity to said analysis system, the person is associated with said transmitted collected information, comparing said collected information with historical blood pressure information of said person, detecting an abnormal trend according to said comparison of the collected information with the historical information related to the blood pressure conditions of said person, generating an indication according to predefined procedures in case the abnormal trend is detected.

Abstract: The present invention relates to a device, system and a method for extracting physiological information indicative of at least one vital sign of a subject.

Abstract: Embodiments described herein relate to an analyte monitoring device having a user interface with a display and a plurality of actuators. The display is configured to render a plurality of display screens, including a home screen and an alert screen. The home screen is divided into a plurality of simultaneously displayed panels, with a first panel displays a rate of change of continuously monitored analyte levels in interstitial fluid, a second panel simultaneously displays a current analyte level and an analyte trend indicator, and a third panel displays status information of a plurality of components of the device. When an alarm condition is detected, the display renders the alert screen in place of the home screen, the alert screen displaying information corresponding to the detected alarm condition. Furthermore, the actuators are configured to affect further output of the analyte monitoring device corresponding to the detected condition.

Abstract: Single photon emission computed tomography (SPECT) is performed with multiple emission energies. For quantitative or qualitative SPECT, the image formation process for emissions at different energy ranges is modeled (44, 46, 48, 50) separately. Different scatter, different attenuation, and/or different collimator-detector response models corresponding to different energy ranges are used in the reconstruction.

Abstract: Various methods and systems are provided for collision avoidance in cone-beam computed tomography (CT) systems. In one embodiment, a method for an imaging apparatus comprises calculating a likelihood of a collision between the imaging apparatus and a subject and/or its support based on a model of the subject, performing a scan of the subject responsive to the likelihood below a threshold, and not performing the scan otherwise. In this way, collisions between the patient and the imaging apparatus can be avoided.

Abstract: A method and system for producing a model of an anatomical target area includes determining a position and/or an orientation of a medical device 134 according to an output of a medical device sensor, and controlling an imager 102 based on the position and/or orientation of the medical device.

Abstract: Disclosed are an intra-oral sensor, a cradle, and an intra-oral sensing system. More particularly, the present invention relates to an intra-oral sensor, a cradle, and an intra-oral sensing system, in which the intra-oral sensor can transmit projection data, can be charged with driving power, and can be sterilized at the same time when mounting the intra-oral sensor in the cradle, and can output the projection data including an identifier therein, thereby enabling an operator to easily recognize which part in a set of teeth is represented by image data corresponding to the projection data.

Abstract: Some embodiments are associated with an input signal comprising a first and a second photon event incident on a photon-counting semiconductor detector. A relatively slow charge collection shaping amplifier may receive the input signal and output an indication of a total amount of energy associated with the superposition of the first and second events. A relatively fast charge collection shaping amplifier may receive the input signal and output an indication that is used to allocate a first portion of the total amount of energy to the first event and a second portion of the total amount of energy to the second event.

Abstract: According to an embodiment, a detection device includes a plurality of first detectors and a plurality of second detectors. The plurality of first detectors are arranged on a two-dimensional plane. Each first detector is configured to detect photons in a photon-counting manner. The plurality of second detectors are arranged on the two-dimensional plane. Each second detector is configured to detect photons in a charge-integrating manner.

Abstract: Various embodiments of medical detector systems as well as their methods of operation are disclosed. In one embodiment, one or more detectors are coupled to wearable structures for detecting at least a first tracer within a body portion. In another embodiment, one or more detectors are coupled to a wearable structure, where the detector corresponds to a CMOS chip that directly detects a first radioactive tracer.

Abstract: A mobile base designed to receive an X-ray machine is provided. An X-ray machine capable of being mounted on the mobile base is also provided. The X-ray machine of the invention is configured to move using a motor-driven system associated with a navigation system. The navigation system of the invention enables the X-ray machine to be moved automatically and with precision from one position to another within an examination, hybrid or operation room.

Abstract: A multi-mode system and method for imaging a patient's breast with x-rays in one or more of a CT mode, a narrow-angle tomosynthesis mode, a wide angle tomosynthesis mode, and a mammography mode, using essentially the same equipment, on one or more compressions or immobilizations of the breast.

Abstract: A system is disclosed for assessing or depicting the degree of bone fusion in an area. The system involves receiving three dimensional image data from a patient of a portion of a patient's body. Using the data, the scanned portion of the patient's body is reconstructed. The system permits a user to select a volume within the reconstructed volume which defines a volume of interest. The density of each voxel is detected within the volume of interest. An analysis is conducted on the voxel densities to determine the amount of fusion that has occurred, the higher the density in a prescribed area the greater the amount of fusion that has occurred. The system generates a depiction of the density.

Abstract: A method is provided for detecting a movement of a body between acquisition times of at least two acquisition data sets, wherein, for virtual sectional planes of the body, a first intermediate function value of attenuation values of all the body elements lying in the sectional plane is determined based on a first acquisition data set, and a second intermediate function value of the attenuation values is determined based on a second acquisition data set. For each sectional plane, a difference value is determined from the intermediate function values. A total error value for the two acquisition data sets is calculated by combining the difference values of all the sectional planes. The virtual sectional planes have a common line of intersection, and for the particular acquisition time, the difference between pairs of the sectional lines is at least one pixel.

Abstract: Methods and systems are provided for multi-window imaging. In one embodiment, a method comprises segmenting an image reconstructed from acquired projection data into segments, converting pixel values based on a mapping for each segment to generate converted segments, and outputting, to a display device, a composite image comprising a combination of the converted segments. The composite image includes a border delineating the converted segments. In this way, multiple windows collectively covering a large dynamic range may be combined into a single image.

Abstract: A method is for generating X-ray image data of an examination object with reduced calcium blooming. The X-ray image data is based on X-ray projection data acquired with an energy-selective X-ray detector and in respect of at least two energy windows. An embodiment of the method includes determining a calcium content in the X-ray projection data by way of a base material analysis, the calcium content describing the calcium-determined part of the X-ray attenuation caused by the examination object; generating a mixed X-ray projection data record with calcium content suppressed by way of a weighting factor of less than one; and reconstructing the X-ray image data from the mixed projection data record by applying a reconstruction algorithm.

Abstract: A first image obtaining unit obtains a plurality of projection images corresponding to different radiation source positions, the projection images being imaged under a first imaging condition for tomosynthesis imaging, and a second image obtaining unit obtains a two-dimensional image imaged with a given radiation source position under a second imaging condition for simple imaging. An image quality correction unit performs image quality correction on the projection images to compensate for a difference of image quality between the projection images and the two-dimensional image based on a difference between the first imaging condition and the second imaging condition. A reconstruction unit reconstructs the projection images having been subjected to the image quality correction and the two-dimensional image to generate a tomographic image of a slice plane of the subject.

Abstract: A medical image processing device includes a port, a processor and a display. The port acquires a plurality of image data from a living body The processor classifies the plurality of image dam to genes ate a plurality of image groups based OH a first time component. The first time component is defined by a first time interval among imaging times at which the plurality of image data are generated. The processor correlates each image data in one image groups with each image data in another image group, based on both an actual time and a time ratio of a second time component The second time component is defined by a second time interval among the imaging times being shorter than the first time interval The display displays images based on the plurality of image data based on the correlation of the image data in the image groups.

Abstract: Methods and systems are provided for adaptive scan control. In one embodiment, a method comprises: while performing a scan of a scan subject, processing acquired projection data to measure a contrast level; responsive to the contrast level increasing above a first threshold, automatically switching the scan from a first scan protocol to a second scan protocol; responsive to the contrast level decreasing below a second threshold, automatically switching the scan from the second scan protocol to the first scan protocol; and responsive to the contrast level decreasing below a third threshold, automatically ending the scan. In this way, multiple scan protocols, such as angiography and perfusion scan protocols, can be interleaved within a single scan without the use of a separate timing bolus scan.

Abstract: A control device includes: a radiation source controller that is configured to control a radiation source such that, by moving the radiation source, an incident angle of radiation with respect to a detection face of a radiation detector is plural angles including a first angle where an incident direction of radiation with respect to the detection face is a direction of a normal line to the detection face, and plural second angles different from the first angle; and an imaging controller that is configured to effect control of performing radiographic imaging plural times at a position of the radiation source where the incident angle is the first angle, and performing radiographic imaging a number of times that is less than the plural times at each position of the radiation source where the incident angle is one of the second angles.

Abstract: According to one embodiment, a radiation diagnostic apparatus includes an X-ray tube, radiation detecting elements, signal processing substrates, and processing circuitry. The signal processing substrates performs processing including at least A/D conversion processing on outputted signals of the radiation detecting elements and outputs processed signals as the outputted signals subjected to the processing. The processing circuitry identifies a non-observing element or a non-observing substrate based on information on an imaging region included in imaging conditions of an object, the non-observing element being a radiation detecting element of the radiation detecting elements which corresponds to a region other than the imaging region, and the non-observing substrate being a signal processing substrate of the signal processing substrates which corresponds to the non-observing element.

Abstract: An imaging system includes a computed tomography (CT) acquisition unit and a processing unit. The CT acquisition unit includes an X-ray source and a CT detector. The processing unit is configured to determine a voltage delivery configuration for the X-ray source based on at least one of a patient size, a clinical task, or scan parameters. The voltage delivery configuration includes at least one of a transition configuration or a voltage threshold. The transition configuration corresponds to a transition between a high and low voltage. Portions of acquired data acquired above the voltage threshold are grouped as high energy data and portions acquired below are grouped as low energy data. The processing unit is also configured to implement the voltage delivery configuration on the CT acquisition unit, and to control the CT acquisition unit to perform an imaging scan using the determined voltage delivery configuration.

Abstract: A mobile X-ray imaging apparatus and a method of controlling the mobile X-ray imaging apparatus are provided. The mobile X-ray imaging apparatus includes an X-ray source mounted in a movable main body, a battery configured to supply operating power to the X-ray source, a charger configured to supply charging power to charge the battery, and a controller configured to block charging of the battery while X-rays are radiated.

Abstract: An image obtainment unit obtains plural radiographic-images generated by arranging plural storable-phosphor-sheets in such a manner that at least portions of the sheets are overlapped with each other in an irradiation direction of radiation, by arranging a marker at a position to be detected by the plural sheets, and by detecting the radiation that has passed through a subject and the marker by each of the plural sheets. A first-information obtainment unit obtains first-information representing a distance between detection surfaces of the plural sheets. A second-information obtainment unit obtains second-information representing a magnification ratio of a second marker image of the marker included in a radiographic- image obtained by a second sheet with respect to a marker image of the marker included in a radiographic-image obtained by a first sheet of the plural sheets. A distance calculation unit calculates, based on the first and the second information, a radiation-source-to-image-surface distance.

Abstract: One or more body sounds are captured using one or more acoustic sensors placed on one or more locations of a subject. The one or more body sounds are converted into one or more acoustic signals using one or more acoustic transducers. The one or more acoustic signals are transmitted to one or more computing devices. The one or more acoustic signals are compared against one or more other signals. At least one of one or more physiological conditions and one or more pathological conditions are identified based on the comparison.

Abstract: The eating and drinking action detection apparatus: acquires vibration produced from inside of a body of a subject and generates a vibration signal corresponding to the vibration; divides the vibration signal into each frame to calculate power of the vibration signal for each frame; determines, for each frame, whether the frame is a stationary signal having a periodicity or a non-stationary signal having no periodicity; detects, based on the power of each frame and a determination result for each frame whether the frame is the stationary signal or the non-stationary signal, a period of the non-stationary signal being continued while the power of the vibration signal is equal to or larger than a power threshold, acquires a continuation time of the period; and determines, based on the continuation time, whether the subject performed swallowing or mastication in the period of the non-stationary signal being continued.

Abstract: Systems and methods for measuring cardiac output are provided. The systems and methods generate an ultrasound image based on ultrasound imaging data of a patient acquired by an ultrasound probe. The systems and methods automatically designate a region of interest (ROI) within the ultrasound image, and acquire spectral data sets for corresponding candidate Doppler gates within the ROI based on Doppler data acquired by the ultrasound probe. The systems and methods automatically identify a select Doppler gate from the candidate Doppler gates based on a characteristic of the spectral data sets, and calculate a cardiac output of the patient based on the select Doppler gate.

Abstract: A method and ultrasound imaging system for detecting a coherent reflector comprises acquiring ultrasound channel data from a volume with a probe including a 2D aperture, calculating a MRT from the ultrasound channel data, identifying a first angle of a projection of the coherent reflector in a plane parallel to the 2D aperture based on the MRT, detecting a line-shaped echo pattern in the ultrasound channel data, determining a second angle of the coherent reflector with respect to the 2D aperture, determining a position and an orientation of the coherent reflector based on the first angle and the second angle, enhancing a representation of the coherent reflector in an image generated based on the ultrasound channel data, and displaying the image on a display device after enhancing the representation of the coherent reflector.

Abstract: Disclosed are ultrasound devices and methods for use in guiding a subdermal probe during a medical procedure. A device can be utilized to guide a probe through the probe guide to a subdermal site. In addition, a device can include a detector in communication with a processor. The detector can recognize the location of a target associated with the probe. The processor can utilize the data from the detector and create an image of a virtual probe that can accurately portray the location of the actual probe on a sonogram of a subdermal area. In addition, disclosed systems can include a set of correlation factors in the processor instructions. As such, the virtual probe image can be correlated with the location of the actual probe.

Abstract: Various embodiments include systems and methods for detecting amniotic fluid position based on shear wave propagation. Ultrasound image data may be acquired, and shear wave related data for an area corresponding to the acquired ultrasound image data may also be acquired. Identification data associated with one or more particular structures or elements within the area may be generated based on the shear wave related data, and ultrasound imaging during an ultrasound examination may then be controlled based on the identification data. The ultrasound imaging may comprise generating and rendering one or more ultrasound images based on the acquired ultrasound image. The ultrasound examination may be obstetric (OB) ultrasound examination, with the area comprising one or more of: at least portion of a fetus, amniotic fluid surrounding the fetus, and tissue of a mother carrying the fetus.

Abstract: There are provided an acoustic wave diagnostic apparatus capable of shortening the time until a color image is obtained and a control method thereof. Processing for transmitting an ultrasound pulse (43) converging on a focusing position (41) in the same direction of a subject from acoustic wave transducers to be driven, among a plurality of ultrasound transducers (20 to 32) included in an ultrasound probe, while sequentially updating the acoustic wave transducers to be driven is performed multiple times for the same ultrasound transducers (22 to 28). An acoustic wave echo signal group is obtained by receiving an ultrasound echo (44) of an observation target position (42) in the ultrasound transducers (22 to 28).

Abstract: Methods and systems are provided for providing tactile feedback via a probe of an imaging system. In one embodiment, a method comprises acquiring ultrasound data with a probe, generating an image based on the ultrasound data, determining whether the probe is in a correct position to acquire a desired region of interest, and providing a first tactile feedback through the probe in response to a determination that the probe is in the correct position. In this way, a user may increase the accuracy of probe positioning, thereby producing more accurate medical images for diagnostic purposes.

Abstract: A catheter-based imaging system comprises a catheter having a telescoping proximal end, a distal end having a distal sheath. and a distal lumen, a working lumen, and an ultrasonic imaging core. The ultrasonic imaging core is arranged for rotation and linear translation. The system further includes a patient interface module including a catheter interface, a rotational motion control system that imparts controlled rotation to the ultrasonic imaging core, a linear translation control system that imparts controlled linear translation to the ultrasonic imaging core, and an ultrasonic energy generator and receiver coupled to the ultrasonic imaging core. The system further comprises an image generator coupled to the ultrasonic energy receiver that generates an image.

Abstract: The present disclosure includes an ultrasound diagnostic apparatus with easy assembly and disassembly. The apparatus comprises an outer casing including a motherboard module having motherboard guiding plugs and motherboard ports installed thereon and a first outer-casing sliding device; and a main case structure being housed by the outer casing, including a transducer panel module coupled to an I/O module, a carrier board module coupled to the transducer panel module via the I/O module and having a PC module installed thereon process ultrasound data, carrier-board guiding holes to receive the motherboard guiding plugs, carrier-board ports to inter-plug in the motherboard ports, and a first main-case sliding device to slide in the first outer-casing sliding device and facilitate the main case structure to move relative to the outer casing; wherein the motherboard module and the I/O module are perpendicular to the transducer panel module and the carrier board module.

Abstract: Disclosed are non-imaging low frequency ultrasound apparatus and methods that extend the range of ultrasonic applications to medical testing and diagnostics. More particularly, apparatus and methods for generating, transmitting and receiving low frequency ultrasound through a test body can be used to generate non-imaging medical mapping of ultrasound signals and medical diagnostics. Typically frequencies below 1 MHz are generated by a low frequency non-imaging wide aperture transmitting transducer and received by multiple low frequency small aperture receiving transducers and processed via improved signal processing to evaluate and map the ultrasound interactions for detecting and characterizing clinical conditions in test objects.

Abstract: Systems and methods for providing a mean velocity are provided. The systems and methods collect ultrasound data over a period of time for a volumetric region of interest (ROI). The systems and methods display a color flow image based on the ultrasound data, and designate a spatial gate on the color flow image. The spatial gate corresponding to a set of voxels adjacent to one another and within the color flow image. The systems and methods further calculate a mean velocity associated with the set of voxels at a select time, and repeat the calculate operation for multiple select times over the period of time to derive a series of mean velocities. The systems and methods also present indicia indicative of the series of mean velocities exhibited by the set of voxels within the spatial gate over the period of time.

Abstract: An ultrasound device acquires a video clip having a plurality of images in a selected zone of a set of lungs. The ultrasound device detects B lines in each of the plurality of images and detects a width of each of the B lines. The ultrasound device sorts the B lines into a first group and a second group based on the width, assigns a score based on the number of B lines and the width of each B line, and highlights the B lines in the first group differently than the B lines in the second group in each of the images. The ultrasound device identifies a representative image from the plurality of images and displays the identified representative image.

Abstract: The present disclosure relates to an apparatus for supporting acquisition of an area-of-interest in an ultrasound image. An apparatus for supporting acquisition of an area-of-interest in an ultrasound image according to an aspect of the present disclosure may comprise: at least one processor configured to convert coordinates of one or more areas-of-interest extracted from a first image to coordinates on a 3D model and collect the coordinates on the 3D model of the one or more areas-of-interest; when a second image is acquired, calculate coordinates on the 3D model corresponding to the acquired second image and match the second image onto the 3D model including the coordinates of the collected areas-of-interest; and provide guide information to allow acquisition of the collected areas-of-interest from the second image, using the matching result.

Abstract: Provided is an ultrasonic diagnostic device in which a Doppler waveform generation unit performs Doppler measurement at a set Doppler measurement position and generates a current Doppler waveform. A Doppler waveform evaluation unit evaluates the generated current Doppler waveform and determines whether the current Doppler waveform is a suitable Doppler waveform at the target measurement position. When it is determined that the current Doppler waveform is not a suitable waveform at the target measurement position, a Doppler measurement position variation unit performs processing for varying the Doppler measurement position. The Doppler measurement position is varied continuously until the post-variation Doppler measurement position becomes the target measurement position.

Abstract: An ultrasound diagnosis apparatus includes filter coefficient acquiring circuitry configured to, based on a result of a principal component analysis using first data strings that are sets of data generated based on echo signals caused by transmission of ultrasound waves on the same scan line, obtain a filter coefficient that suppresses clutter components; deriving circuitry configured to use the filter coefficient to obtain, from target data strings contained in a region of interest among the first data strings, a second data string that is a set of data derived from echo signals based on a moving body present in the region of interest, and derive waveform information indicating temporal changes of the moving body by performing a frequency analysis on the second data string; and control circuitry configured to generate a waveform information image based on the wave information and cause a monitor to display the waveform information image.

Abstract: An ultrasound device performs an ultrasound scan to acquire a video clip having a plurality of images in a selected zone of a set of lungs. The ultrasound device detects B lines in each of the images of the video clip. The ultrasound device assigns a score to each of the images of the video clip based at least in part on the detected number of B lines. The ultrasound device highlights the detected B lines in each of the images of the video clip. The ultrasound device identifies a representative image from the highlighted images of the video clip in the selected zone. The identification of the representative image is based at least in part on the assigned score of each of the images. The ultrasound device displays the identified representative image.