Abstract: A flexible frame comprising an electrically conductive hollow cylindrical metallic tube having a plurality of cuts along the longitudinal axis to form a plurality of conductive wires. The wires are equally spaced apart circumferentially along the longitudinal axis of the tube by a gap to electrically isolate the wires. A first electrode is mounted around the circumference of the frame along the longitudinal axis and attached to a first wire of the plurality of wires. A second electrode is mounted around the circumference of the flexible frame along the longitudinal axis at a predetermined distance from the first electrode and attached to a second wire. A non-conductive thermoplastic layer may be secured to the outer surface of the flexible frame between the first and second electrodes to form an insulation layer between the first and second electrodes.

Abstract: Various systems and methods for implementing frequency domain adaptive motion cancellation filters. An example method includes receiving an optical signal representative of a physiological function. The example method further includes receiving a motion signal from an accelerometer. From the motion signal, a known motion spectrum is expressed as a sum of a product of coefficients for each component of the motion spectrum, wherein the coefficients are representative of the strength of the coupling between the motion signal and the optical signal. The example method may further include determining the coefficients of the motion spectrum using gradient descent and generating a decontaminated optical signal based on the optical signal and the motion model spectrum. Other systems, apparatuses, and methods are described.

Abstract: A method includes receiving bio-potential inputs; generating signal channels from the bio-potential inputs; pre-processing data in the signal channels; extracting R-wave peaks from the pre-processed data; removing artifacts and outliers from the R-wave peaks; generating R-wave signal channels based on the R-wave peaks in the pre-processed signal channels; selecting two or more of the R-wave signal channels; and combining the selected two or more R-wave signal channels to produce an electrical uterine monitoring signal.

Abstract: A device and method is provided for the detection of diabetes in a person using pulse palpation signals. The pulse palpation signal is captured from the radial artery of the person using a photo-plethysmograph (PPG) sensor. The PPG signal is then preprocessed by a processor. The preprocessed PPG signal is then analyzed by the processor to detect the peak in the PPG signal. The detected peaks are used to extract a first set of feature parameters. The first of feature parameters are compared with a second set of feature parameters, wherein the second set of feature parameters are extracted from the control group of individuals. Based on the comparison it is detected that the person is one of in normal condition, pre-diabetic condition or a diabetic condition. According to another embodiment, the invention also provides a method to determine the severity index and progression risk of diabetes in the person.

Abstract: A method and apparatus for the quantitative determination of an individual's risk for sudden cardiac death (SCD) is described. Risk determination is accomplished and may have a sensitivity and specificity of greater than 95%, by generating linear and nonlinear mathematical digital ECG-constructed models from digital ECG-type data of an individual's digital ECG, determining stability/instability of digital ECG-constructed control model systems corresponding to the digital ECG-constructed models by a plurality of techniques and transforming stability/instability values obtained by the determining stability/instability into a quantitative value reflecting an individual's risk for SCD.

Abstract: A system for monitoring blood pressure of a subject includes a primary system for determining a first blood pressure and a corrective system. The corrective system includes a cuff configured to be operated in an inflation phase and a deflation phase, a sensor array which produces inflation and deflation phase output signals, and a processor. The processor is configured to a) determine first and second output values from the inflation phase output signal and b) determine third and fourth output values from the deflation phase output signal. The processor is also configured to determine a correction applicable to the first blood pressure. The correction is a function of the first, second, third and fourth output values.

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: An apparatus is disclosed for assisting in providing a diagnosis of a medical condition of a mammal brain. The apparatus includes an input facility, a conversion facility, and an output device. In an operational mode the input facility receives a first value and a second value. The input facility further receives first reference data indicative for a cumulative distribution of the first value for said portion in a reference population and second reference data indicative for a cumulative, distribution of the second value for the corresponding portion in the reference, population. The conversion facility determines a third value indicating the cumulative probability of the first value and a fourth value indicating the cumulative probability of the second value. The output device generates a signal indicating a substantially monotonically increasing function of a difference between the third and the fourth value.

Abstract: An infrared imaging signal is generated. An image of an exit signal of the infrared imaging signal is captured. The infrared imaging signal is within a frequency band.

Abstract: An automatic measurement point correction method includes acquiring vital signs information waveform data indicating a vital signs information waveform having a plurality of waveforms which periodically appear on a time axis, determining a plurality of measurement points for measuring a predetermined measurement item of each waveform included in the vital signs information waveform, causing the vital signs information waveform and measurement point displayers to be displayed on a displaying section, correcting a first measurement point for measuring the predetermined measurement item of a first waveform of the plurality of waveforms, as a first correction, recording the corrected first measurement point as a reference measurement point, extracting a waveform which is analogous to the first waveform, from the plurality of waveforms, and automatically correcting a measurement point for measuring the predetermined measurement item of the extracted waveform, as a second correction.

Abstract: An X-ray imaging apparatus and control method thereof to prevent an error in the center of rotation of an X-ray source and degradation of resolution in a depth direction. The X-ray imaging apparatus comprises an X-ray source configured to irradiate X-rays, a sensor configured to obtain a distance between the X-ray source and a subject, a display configured to display a graphical object in association with the subject, an input configured to receive a designation of a region of interest of the subject through the graphical object, and a controller configured to obtain a thickness of the subject based on the distance between the X-ray source and the subject, determine a center of rotation to be set for the X-ray source based on the designation of the region of interest and the thickness of the subject, and control a movement of the X-ray source to set the center of rotation.

Abstract: A radiological imaging device having a longitudinal axis includes a gantry suitable to perform radiological imaging and defining an area of analysis, a bearing structure supporting the gantry; and a robotic arm suitable to move a medical instrument with respect to the area of analysis. The bearing structure includes a guide defining a translation axis parallel to the longitudinal axis and a carriage suitable to move the gantry and robotic arm along the translation axis.

Abstract: A rotary motor comprising an annular rotatable bearing having an inner surface having a diameter equal to or greater than 0.5 meters and an outer surface, the bearing including a plurality of magnetic rotor teeth elements positioned around a circumference of the outer surface and a stator including a plurality of permanent magnets and a plurality of energizable coils, the stator mounted separately from and positioned with respect to the bearing such that the plurality of rotor teeth elements of the bearing are radially proximate to the permanent magnets of the stator. Upon application of alternating current in a flux switch pattern in the plurality of energizable coils of the stator, torque is applied to the plurality of magnetic rotor teeth elements.

Abstract: A low-dose CT imaging system and method that operates according to a pulsed X-ray emission scheme according to a predefined sequence of rotation angles of the X-ray source, along with image reconstruction algorithms to achieve high spatial and temporal resolution for CT scans. The systems and methods involve high speed switching (on the order of milliseconds) to generate pulsed exposure of X-ray radiation to the patient, reducing radiation dose by 4-8 fold, or more.

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: A radiation tomograph whereby the acquisition of transmission data and the measurement of annihilation radiation pairs are simultaneously performed by a single detector ring so as to realize both reduction of the manufacturing cost of a PET device and reduction of a burden to a subject. The transmission data, which shows the distribution of annihilation radiation absorption characteristics within a subject, is computed from data relating to annihilation radiation pairs in the vicinity of a surface of the subject. The transmission data can be acquired by detecting a radioactive drug derived from the subject, which makes imaging exclusively for transmission data unnecessary.

Abstract: For a multi-modal emission tomography system, an improved control system increases the likelihood of optimal image quality, satisfaction of physician goals, and/or avoids repetition in scanning and the corresponding increase in dose burden. The control system is divided into two or more arrangements. One arrangement receives goal information and outputs reconstruction settings and generic scan settings to satisfy the goal information. Another arrangement converts the generic scan settings to emission tomography system-specific scan settings, which are used to detect emissions. The separation of the arrangements allows independent operation so that different system-specific conversions may be used for different systems.

Abstract: The disclosure relates to a system and method for reconstructing a PET image. The method may include: obtaining PET data relating to an object collected by a plurality of detector units; determining functional status of the plurality of detector units; generating reconstruction data based on the functional status of the respective detector units and the PET data; and reconstructing a PET image based on the reconstruction data.

Abstract: A mammographic imaging system is optimized for use with a single fixed size flat panel digital image receptor. It accommodates compression devices (paddles) of varying sizes, and positions them properly in a field of view of the image receptor. When a compression paddle with size smaller than the field of view of the image receptor is used, the compression paddle can be shifted laterally in the direction parallel to the chest wall, so as to facilitate different views of different size breasts, and permit the image receptor to image as much of the desired tissue as possible. An automatic X-ray collimator restricts the X-ray illumination of the breast in accordance with the compression paddle size and location in the field of view. An anti-scatter grid, mounted inside the image receptor enclosure, just below the top cover of the enclosure, can be retracted out of the field of view of the image receptor for use in magnification imaging.

Abstract: An X-ray apparatus includes a light emitting unit, input interface circuitry, and processing circuitry. The light emitting unit includes a light source. The input interface circuitry inputs an X-ray condition. The processing circuitry controls an emission state of the light emitting unit to change to one of at least three states based on the X-ray condition.

Abstract: Disclosed are a backscattered ray shielding mechanism and a portable X-ray generating device comprising the same. The backscattered ray shielding mechanism according to the present invention is mounted on a portable X-ray generating hand-held device to emit X-rays and blocking backscattered X-rays during X-ray emission and includes a lead-free lightweight shielding member, which is detachably or foldably mounted as a convertible form on an X-ray emitting unit of the portable X-ray generating device and partially supported by the X-ray emitting unit.

Abstract: Provided is a radiation irradiation device that can restrict movement of an arm part during device movement without providing a mechanism that becomes a user's obstacle. The radiation irradiation device includes a radiation generation unit that generates radiation; an arm part having one end to which the radiation generation unit is attached; a support member having one end to which the other end of the arm part is connected so as to be rotationally movable; a body part to which the other end of the support member is connected; a leg part that is provided on a bottom surface of the body part and is capable of traveling on a device placement surface; and an arm locking part that restricts the rotational movement of the arm part. The arm locking part is provided inside the arm part.

Abstract: A chassis has a structure in which a front structure and a rear structure are linked by an upper floor and a lower floor. The front structure is linked to a front wheel via a coupling member, a front wheel support member and a shaft. The front structure has a cylindrical support member. In addition, the rear structure is linked to a rear wheel via a shaft. A reinforcing member, which links the front structure and the rear structure in the central part of a space for accommodating a battery, is installed inside the space for accommodating the battery. The front end of the reinforcing member is linked to the cylindrical support member in the front structure. The upper surface of the reinforcing member is fixed to the upper floor and the lower surface of the reinforcing member is fixed to the lower floor.

Abstract: There are provided a receiving device in which detectors of different sizes can be stably accommodated and an X-ray imaging apparatus having the same. A receiving device having a receiving unit in which a first detecting device is accommodated, the receiving device including a fixer provided in the receiving unit and into which a part of a surface of the first detecting device is inserted in order to prevent movement of the first detecting device, and a guide disposed at an inner side surface of the receiving unit and including a detector support having a side that is connected to a rotating shaft to be rotatable and configured to support at least one surface of the first detecting device and at least one surface of a second detecting device having a different size from the first detecting device.

Abstract: Described is an image guided radiation therapy (IGRT) apparatus comprising a medical imaging device and a radiation source, wherein the radiation source is provided on a gantry which surrounds the medical imaging device. The apparatus further comprises ducting for directing cool air from a source of cool air to a gap between the gantry and the medical imaging device.

Abstract: Methods, systems, and related computer program products for processing and displaying computer-aided detection (CAD) information associated with medical breast x-ray images, such as breast x-ray tomosynthesis volumes, are described. An interactive graphical user interface for displaying a tomosynthesis data volume is described that includes a display of a two-dimensional composited image having slabbed sub-images spatially localized to marked CAD findings.

Abstract: This X-ray phase contrast imaging apparatus (100) includes an X-ray source (1) that radiates continuous X-rays, a first grating (3) that forms a self-image, a second grating (4), a detector (5) that detects the continuous X-rays, and a third grating (2) arranged between the detector (5) and the first grating 3. The first grating (3), the second grating (4), and the third grating (2) are arranged so as to satisfy conditions of predetermined formulas.

Abstract: A supporting device for performing radiological examinations on a patient having a part of the body examined includes perimeter side members, an openable containment portion, and an examination portion. The perimeter side members are configured to contain the patient along a closed perimeter and at least in a horizontal plane and substantially in contact, when in use, on a plurality of sides of the perimeter with the patient. The openable containment portion is formed by most of the perimeter side members. The examination portion is formed by the remainder of the perimeter side members, is substantially transparent to X-rays, and is configured to contain the part of the body to be examined.

Abstract: A method, apparatus, system, and computer program product for using an invalidity matrix, iterative reconstruction and reprojection to generate a two-dimensional image. The method includes acquiring projections through an a dental anatomy, calibrating the acquired projected images, estimating a geometry of the tomosynthesis system, determining an invalidity matrix for each acquired projection image, removing contributions of marker particles to the acquired projection images, constructing a starting volume for reconstruction, performing an iteration process for iteratively updating the starting volume, and reprojecting a final reconstructed volume to obtain a final two-dimensional image.

Abstract: A method and an apparatus are provided for displaying a medical image. The method includes displaying a first medical image on a screen, based on a first input that zooms in on or zooms out from a first object in the first medical image, determining first geometry information comprising either one or both of position information and size information of the first object, and displaying the first geometry information on a predetermined fixed region of the screen.

Abstract: A radiography system includes a radiography apparatus including two radiation detectors and a console that corrects scattered ray components of a first radiographic image generated by the radiography apparatus, using first correction data, corrects scattered ray components of a second radiographic image, using second correction data different from first correction data, and performs an energy subtraction process, using the corrected first and second radiographic images.

Abstract: An X-ray apparatus includes a collimator comprising a lamp and configured to adjusting an irradiation region of X-rays radiated from an X-ray source; an image acquirer configured to acquire an object image by imaging an object while the lamp is turned on; and a controller configured to acquire an object distance based on the object image and acquire a thickness of the object based on a detector distance and the object distance. The object distance is a distance between the X-ray source and the object, and the detector distance is a distance between the X-ray source and an X-ray detector.

Abstract: A radiation control device includes a notifier that notifies an irradiation state of a radiation in a radiation generator, and a notification controller that controls notification operation of the notifier. The notification controller controls a start timing of notification of a state during irradiation indicating that the radiation is being emitted on the basis of a signal from the radiation generator or a radiation imager received by the radiation control device prior to a radiation irradiation signal from a radiation generation controller.

Abstract: Intravascular devices, systems, and methods are disclosed. In some instances, a method for treating a vessel of a patient includes collecting intravascular ultrasound imaging data of the placement of the stent using the intravascular ultrasound imaging device, estimating, using a processing device, a restenosis probability value based on the intravascular ultrasound imaging data of the placement of the stent and communicating the estimated restenosis probability value to a clinician. Associated devices and systems are also provided.

Abstract: An interventional medical device is provided that incorporates a forward-directed ultrasound or optical coherence tomography imaging system that is replaceable depending on how close the device is to the target site for a given medical procedure, the device and system integrated into a single minimally invasive device comprising a first probe housing, needle guide assembly and sheath, a sleeve lock for closing a normally open needle channel of a needle guide of the first distal assembly and a second probe and cable housing assembly locked to the first distal probe housing, needle guide assembly and sheath by a locking tab. The probe and cable housing assembly may comprise a linear phased ultrasound array and an accelerometer for orienting an image produced by the device with the gravitational field of the earth. The medical device can be in the form of an image guided catheter or probe, used in a body orifice, externally on skin tissue or subcutaneously.

Abstract: An ultrasonic imaging apparatus and a method for controlling the same are disclosed, which relate to a technology for determining whether a position sensor mounted to an ultrasonic probe is separated from the ultrasonic probe. The ultrasonic imaging apparatus includes an ultrasonic probe, a plurality of position sensors mounted to the ultrasonic probe so as to acquire position information of the ultrasonic probe, and a control unit. The control unit determines whether at least one of a distance and a direction between the plurality of position sensors corresponds to at least one of a predetermined distance and a predetermined direction on the basis of coordinate information of the plural position sensors, and determines that at least one of the plural position sensors is separated from the ultrasonic probe when at least one of the distance and the direction does not correspond to at least one of the predetermined distance and the predetermined direction.

Abstract: The invention provides a system (1) for determining an identification characteristic of a medical device (3) carrying at least an ultrasound emitter/sensor element (321). The identification characteristic is based on a detection signal from the ultrasound emitter/sensor element (321) upon a drive signal. The system (1) can identify the medical device from a database (211,511) of known medical devices. Furthermore, the system (1) can update the duration and frequency of use of the medical device (3) and it can prohibit further use of the medical device (3) when a predetermined limit of use is exceeded.

Abstract: An ultrasound probe comprising a housing, a transducer assembly operable to transmit ultrasonic energy towards a zone of the probe adapted to be acoustically coupled to an object or area of interest, a cooling system comprising a heat transfer device arranged to transfer heat generated by the transducer assembly to one or more regions or areas located outside such transducer assembly. The heat transfer device comprises graphene.

Abstract: An ultrasonic sensing device is foldable and includes two bracket portions rotatably connected and an ultrasonic sensor on each bracket portion. The ultrasonic sensor includes a flexible circuit board carrying an ultrasonic signal transmitting element and an ultrasonic signal receiving element. The ultrasonic signal transmitting element is mounted to one of the two bracket portions, and the ultrasonic signal receiving element is mounted to other of the two bracket portions. The ultrasonic signal transmitting element is capable of rotating to the ultrasonic signal receiving element by opening and closing the two bracket portions.

Abstract: The present invention provides an ultrasonic endoscope in which wiring can be reliably fixed to a wire housing space of an ultrasonic-oscillator housing part, and a method of manufacturing the ultrasonic endoscope. According to the present invention, a wire housing space is encapsulated from the outside by sealing a gap formed between an ultrasonic oscillator and an ultrasonic-oscillator housing part with sealing members. With this configuration, the wire housing space can be sufficiently filled with filling agent for fixing wires in the wire housing space. This achieves an ultrasonic endoscope in which the wires can be reliably fixed to the wire housing space of the ultrasonic-oscillator housing part.

Abstract: Provided is an ultrasound diagnosis apparatus including: a display configured to display a first ultrasound image showing an object; a user input device configured to receive a user input for selecting first and second depths in the first ultrasound image and setting different three-dimensional (3D) rendering properties with respect to the first and second depths; and a controller configured to generate a second ultrasound image showing a 3D volume of the object based on the set 3D rendering properties, wherein the display is further configured to display the generated second ultrasound image.

Abstract: A subject information acquisition apparatus includes a converter configured to receive reflected waves from a contrast medium within a target area inside a subject, and a pressure information acquisition unit configured to acquire pressure information within the target area. In this case, the converter receives reflected waves from a contrast medium in each of a first period and a second period in which a pressure within the target area is different from the first period. The pressure information acquisition unit acquires pressure information in the second period within the target area based on a receive signal based on reflected waves in the first period, a receive signal based on a reflected wave in the second period, and pressure information on a region different from the target area, the pressure information being acquired in the first period.

Abstract: A medical image diagnostic apparatus of embodiments includes processing circuitry configured to: calculate an index value in a region of interest of a subject based on tissue property data collected by scanning on the subject; and determine display characteristics of the region of interest based on the index value.

Abstract: An ultrasonic imaging processing method based on RF data includes the following steps: S1, receiving echo signals which are obtained by sending ultrasound signals; S2, beamforming the echo signals; S3, obtaining the RF data of the echo signals; and S4, directly conducting an ultrasonic imaging process based on the obtained RF data in order to obtain a target image. The ultrasonic imaging processing method and system based on the RF data according to the present application directly conduct ultrasonic imaging treatment based on the obtained RF data of the echo signals in order to obtain the target image.

Abstract: The present invention provides a sample collection detector, comprising a sampling device, a detecting device and a communicating device, wherein the sampling device has a sampling chamber and a sample feeding rod, the sample feeding rod is inserted into the sampling chamber to finish sampling; the communicating device has a sample feeding channel that is in communication with the sampling chamber and detecting device, a valve assembly is provided between the sample feeding channel and the sampling chamber, the valve assembly is initially closed, the sample feeding channel is separated from the sampling chamber, the sample feeding rod triggers the valve assembly to open and communicate the sample feeding channel and the sampling chamber.

Abstract: A needle assembly for sampling fluid from a patient including a needle guard, an insertion needle, and a needle housing. The distal end of the needle guard includes a nose portion and a flexible nose extension defining a fluid collection reservoir. The proximal end of the needle guard includes a push feature. The insertion needle has a sharpened distal tip, a proximal needle end and a shaft defining a lumen extending therebetween. The needle housing is operably coupled to the proximal needle end and is slideably coupled to the needle guard. The needle housing includes a flash chamber including a wall defining a cavity. The cavity is in fluid communication with the lumen of the insertion needle and is sealed at one end by a gas permeable flash plug. The push feature selectively engages the flash plug to divert captured bodily fluids to the fluid collection reservoir for sampling.

Abstract: The invention is directed towards tools for use in performing surgery or examination via the oral cavity, in particular in the region of the oral cavity, oropharynx, larynx, and hypopharynx, devices and systems incorporating these tools, and procedures using these tools. More specifically, the tools, devices, systems and procedures are directed towards Transoral Robotic Surgery or any non-robotic transoral surgical approach.

Abstract: Embodiments of a surgical instrument including an actuation lockout system as well as its method of use are disclosed. In one embodiment, a surgical instrument includes a trigger and a driveshaft coupled to the trigger such that actuation of the trigger causes the driveshaft to move from a first position to a second position, thereby resulting in deployment of a surgical fastener. An actuation lockout system restrains distal movement of the driveshaft until a force greater than or equal to a threshold force is applied to the trigger.

Abstract: A specimen retrieval device is having a housing, an outer shaft, and an inner shaft releasably supporting a pouch. The device may further include a stripper plate operably coupled to the inner shaft for movement between a retracted configuration, in which the pouch and the stripper plate are within the outer shaft, and a deployed configuration, in which the pouch and the stripper plate are outside of the outer shaft. The stripper plate may define major and minor axes, wherein the dimension along the major axis is greater than the inner diameter of the outer shaft, and the dimension along the minor axis is smaller than the inner diameter of the outer shaft. The stripper plate may include one or more apertures, e.g., to receive a support mechanism of the device, or a suture. The device may also include structure preventing premature deployment of the pouch and the stripper plate.

Abstract: A hemostatic device includes a first tube defining a first lumen configured to channel a fluid therethrough, and a second tube housing at least a portion of the first tube and at least partially defining a second lumen configured to retain a hemocoagulant agent therein. The second tube is moveable with respect to the first tube, such that the hemocoagulant agent is at least substantially retained within the second lumen when the second tube is in a first position, and the hemocoagulant agent is at least partially exposed when the second tube is in a second position.