Abstract: A determination system includes a head electrode that is located on a left head portion of a user when an intention of the user to move a portion on a right side of a body of the user is detected and that is located on a right head portion of the user when an intention of the user to move a portion on a left side of the body of the user is detected; an ear hole electrode that is located in an ear hole of the user; an electroencephalogram signal measurer that obtains a voltage between the head electrode and the ear hole electrode; and a determiner that determines whether or not a change in the voltage includes the intention to move the portion on the right side of the body or the intention to move the portion on the left side of the body.

Abstract: A measurement patch device may change length according to somatotype of a user, and may be joined with another measurement patch device integrally according to the need of different physiological lead measurement. Moreover, the two joined measurement patch devices may rotate with respect to each other, such that multi-channel or multi-lead physiological signal may be measured to save measurement time of physiological signal.

Abstract: Methods and systems therefrom for improved learning via electrophysiological assessment of learning are provided. The method includes generating, during a first time period, at least one sensory stimulus for a learner, collecting, during a second time period after the first time period, first electroencephalogram (EEG) signals for at least one first electrode site and second EEG signals for at least one second electrode site, calculating a first characterization value based on the first EEG signals and a second characterization value based on the second EEG signals, determining whether the first characterization value and the second characterization value fail to meet respective first and second conditions, and, in response to determining that the first characterization value and the second characterization value fail to meet the respective first and second conditions, regenerating the at least one sensory stimulus for the user.

Abstract: The present invention provides a detecting head device for capacitively measuring an acupuncture point frequency of a human body, comprising: a contact head, which comprises two terminals and contacts with an acupuncture point of a human body to obtain a capacitance value CH of the acupuncture point; an internal oscillator, which comprises an inductor L1 and a capacitor C2 and generates a predetermined internal oscillation frequency F1; a counting module, which is connected to the internal oscillator and calculates the internal oscillation frequency; an external interrupt security routine (ISR) module, which is connected to the counting module and when the contact head contacts with an acupuncture point of a human body and the external interrupt security routine (ISR) module receives an acupuncture point frequency signal of the contacted human body, the external interrupt security routine (ISR) module calculates, in combination with the internal oscillation frequency, a frequency F2 of the contacted acupunctu

Abstract: A system for analysing data from a microwave inverse scattering imaging apparatus, said system comprising a processor which is configured to: process data derived from radiation scattered by an object under test by performing a reconstruction process, said reconstruction process being configured to reconstruct the material properties of the object under test by constructing a numerical mode! to fit said data and updating said numerical model in an iterative manner, the processor being further configured to process data concerning information about a feature of interest within the object under test and adapt the reconstruction process by weighting data derived from the scattered radiation on the basis of said information, wherein the weighting selected for a current iteration of the reconstruction process is dependent on the outcome of an earlier iteration.

Abstract: Diagnostic apparatus (20) includes an antenna 32, which is configured to direct radio frequency (RF) electromagnetic waves into a living body and to generate signals responsively to the waves that are scattered from within the body. Processing circuitry (36) is configured to process the signals so as to locate a feature in a blood vessel in the body.

Abstract: Provided is a wearable apparatus for obtaining biological information, the wearable apparatus including: a bio signal measuring unit configured to measure a bio signal of a subject; and a position detector configured to detect a position of the subject wearing the wearable apparatus and determine correction factors with regard to the measured bio signal in response to the detected position. Since the biological information of the subject may be analyzed by reflecting the correction factors determined by the position detector to the measured bio signal, the accuracy of analysis results may be increased, and thus, user convenience regarding measuring positions may be increased.

Abstract: An ingestible sensor according to an embodiment includes a sensor, a detector, and a transmitter and to be mixed with food and discharged without being digested or absorbed also when entering the inside of a body. The sensor is configured to detect a predetermined substance disposed inside the body. The detector is configured to detect whether or not the sensor has entered the inside of the body. The transmitter is configured to transmit information of the predetermined substance detected by the sensor to a communication device disposed outside the body based on a detection of an entrance of the sensor into the inside of the body that is made by the detector.

Abstract: An inductive respiration sensor (10) comprises an inductive transducer (12) and sensing circuitry. The sensing circuitry comprises a transimpedance amplifier, TIA, (14), the sense input (16) of which is operatively connected to the inductive transducer. The TIA is configured to drive a current from its output (20) into the sense input such that the voltage on the sense input follows the voltage applied to the reference input (18) and to cause a voltage on the output indicative of the current. The TIA comprises a first (34) and a second (30) transistor. The collector or drain and the emitter or source of the first transistor are operatively connected between the sense input and the output of the TIA. The emitter or source of the second transistor is connected to the reference input, the collector or drain of the second transistor is connected to the base or gate of the first transistor, and the base or gate of the second transistor is connected to the sense input.

Abstract: The present invention relates to a device, system and a method for determining lung volume and parameters, and in particular, to such a spirometer device, system and method in which a non-occluding shutter is utilized allowing for continuous airflow through the flow tube.

Abstract: Electronic devices, apparatus, systems, and methods of operating and constructing the devices, apparatus, and/or systems include a wireless sensor configured to measure strain of hardware, which can be implanted in a subject. In various embodiments, temporal measurement of the hardware strain includes monitoring changes of the resonant frequency of the sensor. The sensor can be realized as an inductively powered device that operates as an all-on-chip resonator, where the components of the sensor are biocompatible. Additional apparatus, systems, and methods are disclosed.

Abstract: Apparatus for use in a lumen is provided, including a light source, configured to illuminate a vicinity of an object of interest of a wall of the lumen, and an optical system (20), which is configured to generate a plurality of images of the vicinity. The apparatus further includes a control unit, which configured to measure a first brightness of a portion of a first one of the plurality of images generated while the optical system (20) is positioned at a first position with respect to the vicinity, measure a second brightness of a portion of a second one of the plurality of images generated while the optical system (20) is positioned at a second position with respect to the vicinity, the second position different from the first position, wherein the portion of the second one of the images generally corresponds to the portion of the first one of the images, and calculate a distance to the vicinity, responsively to the first and second brightnesses. Other embodiments are also described.

Abstract: A method and system for determining a pose of a subject. A first signal is transmitted from a first transceiver to the first transponder, resulting in the first transponder sending a second signal. The subject is placed onto a surface of a platform having the first radio-frequency transceiver and a second radio-frequency transceiver. The first radio-frequency transponder is placed on an upper extremity of the subject. A second radio-frequency transponder is placed on a lower extremity of the subject. A third signal is transmitted from the second transceiver to the second transponder, resulting in the second transponder sending a fourth signal. The second signal is received by the first transceiver. The fourth signal is received by the second transceiver. A pose of the subject is determined based on receiving the second signal and the fourth signal.

Abstract: Described herein is a materials system for electronic device substrates made of nanocellulose and nanocellulose composites that can be transferred to biological tissue while carrying electronic devices. These electronic device substrates are suitable for thin-film electronic devices to adhere and conform to a biological surface, such as human, plant or animal tissue.

Abstract: An attenuated total reflection (ATR) spectroscopic analysis apparatus includes an ATR prism including: an upper surface that contacts a specimen, a lower surface facing the upper surface, a first surface that is slanted and connected to the upper surface and the lower surface, and a second surface that is slanted and connected to the upper surface and the lower surface and facing the first surface; a light source configured to emit a light towards the first surface of the ATR prism; a light receiver that is provided to face the lower surface of the ATR prism and configured to receive the light that is diffusely reflected and output from the lower surface and output an electrical signal based on the received light; and a computation processor configured to calculate a contact area of the specimen with the upper surface of the ATR prism in response to the electrical signal.

Abstract: Systems and methods for processing sensor data and self-calibration are provided. In some embodiments, systems and methods are provided which are capable of calibrating a continuous analyte sensor based on an initial sensitivity, and then continuously performing self-calibration without using, or with reduced use of, reference measurements. In certain embodiments, a sensitivity of the analyte sensor is determined by applying an estimative algorithm that is a function of certain parameters. Also described herein are systems and methods for determining a property of an analyte sensor using a stimulus signal. The sensor property can be used to compensate sensor data for sensitivity drift, or determine another property associated with the sensor, such as temperature, sensor membrane damage, moisture ingress in sensor electronics, and scaling factors.

Abstract: A measurement device and a system for measuring and presenting data which relates to human health are especially applicable for e.g. monitoring and care of diabetes disease. The purpose is to present clearly and in motivating manner a blood glucose concentration on a displ ay device. In a preferred embodiment, the measurement and monitoring device further includes elements for performing an action in order to present the measured blood glucose concentration result to the user, wherein the action includes coupling of a character expression with a color, a sound and a numerical value.

Abstract: Systems and methods described provide dynamic and intelligent ways to change the required level of user interaction during use of a monitoring device. The systems and methods generally relate to real time switching between a first or initial mode of user interaction and a second or new mode of user interaction. In some cases, the switching will be automatic and transparent to the user, and in other cases user notification may occur. The mode switching generally affects the user's interaction with the device, and not just internal processing. The mode switching may relate to calibration modes, data transmission modes, control modes, or the like.

Abstract: Devices for the local delivery of microdose amounts of one or more active agents, alone or in combination, in one or more dosages, to selected tissue of a patient are described. The devices generally include multiple microwells arranged on or within a support structure. The microwells contain one or more active agents, alone or in combination, in one or more dosages and/or release pharmacokinetics. In an exemplary embodiment, the device has a cylindrical shape, having symmetrical wells on the outside of the device, each well containing one or more drugs, at one or more concentrations, sized to permit placement using a catheter, cannula, or stylet. Optionally, the device has a guidewire, and fiber optics, sensors and/or interactive features such as remote accessibility (such as WiFi) to provide for in situ retrieval of information and modification of device release properties. In the most preferred embodiment, the fiber optics and/or sensors are individually accessible to discrete wells.

Abstract: Various technologies presented herein relate to sterile transport, storage and operation of fluid collection tubes. A plurality of sterile sample tube packages are presented, wherein each package comprises a tray (having a recessed cavity formed therein), one or more fluid collection tubes and a cover. Each cavity includes at least one compartment, wherein a collection tube can be respectively stored in each compartment. The tray and cover can be formed from medically sterile materials.

Abstract: A sampling port (10) has a generally tubular body (12) defined by a wall (18) arranged about an axis (42) which defines a space (21) for a sampling vial (72, 102). The wall (18) has a waisted region (60) intermediate a base (16) and an open end (20). The wall (18) is expandable radially in at least the waisted region (60) to accommodate different sized sampling vails (72, 102).

Abstract: A non-invasive system for calculating a human or animal score, the system including a measurement slave device constructed and arranged to carry out measurements of biological parameters; a measure slave device constructed and arranged to carry out measurements of physical parameters; a master device constructed and arranged to collect the biological and physical parameters and calculate the human or animal score, the score including biological and physical parameters.

Abstract: An intelligent monitor of erectile function, including a pair of underpants equipped with a mechanical device operating to monitor a penile axial length, a penile radial length, and a penile volume; a temperature detector operating to detect a penile temperature; an oxygen saturation measuring device operating to measure a penile oxygen saturation; an integrated circuit chip operating to receive and process output signals from the mechanical device, the temperature detector, and the oxygen saturation measuring device; and a data storage device. The mechanical device, the temperature detector, and the oxygen saturation measuring device are electrically or electronically connected to the integrated circuit chip. The data storage device is electrically or electronically connected to the integrated circuit chip.

Abstract: The present invention relates to methods and devices for characterizing wounds, and in particular to the use of Raman spectroscopy to characterize the state of healing of a wound.

Abstract: A wearable joint-action sensor detects actions of a joint that links a first body segment to a second body segment by using a proximity sensor worn on the first body segment to detect a separation between the proximity sensor and the first and/or second body segment. Actions of a hip joint can be detected by wearing the joint-action sensor on the waist, and actions of a finger joint can be detected by wearing the joint-action sensor on a finger. A waist-worn joint-action sensor incorporating a proximity sensor for detecting hip-joint actions and a triaxial accelerometer for detecting body actions can detect common physical activities, such as sitting, standing, dancing, push-ups, and sit-ups, that cannot be detected by a prior-art waist-worn or wrist-worn pedometer. A detected joint action can also be used for controlling a computing device, or for reminding a user of poor posture or of sitting for too long.

Abstract: A pain measurement and diagnostic system (PMD) for bioanalytical analysis of pain matrix activity and the autonomic nervous system to diagnose and validate patient treatments, health status and outcomes. The PMD is implemented using medical devices for measuring and reporting objective measurements of pain through patient monitoring and analyzing related biological, psychological, social, environmental, and demographic factors that may contribute to and effect physiological outcomes for patients and through the integrated and iterative analysis improve diagnosis of pain, the evaluation of related disease states, health status, and treatment options.

Abstract: The invention provides for medical instrument comprising a magnetic resonance imaging system. Execution of the instruction cause a processor controlling the instrument to: execute a magnetic resonance data processing application thereby providing a plug-in framework, execute a protocol definition interface to load a first selection of the plug-ins into the plug-in framework, acquire the magnetic resonance data by using the pulse sequence data to control the magnetic resonance imaging system; and reconstruct a magnetic resonance image from the magnetic resonance data using the first selection of the plug-ins.

Abstract: A system for obtaining and analyzing data for overall joint motion from a plurality of joints of a subject experiencing a movement disorder involves a plurality of kinematic sensors configured to be placed on a body of a subject experiencing a movement disorder proximal a plurality of joints of the subject. The kinematic sensors are selected to measure overall joint motion with sufficient degrees of freedom for individual joints so that data collected by the sensors can be deconstructed into multiple degrees of freedom for individual joints and analyzed to provide amplitude of the movements caused by the movement disorder and/or relative contributions from and/or directional bias for each muscle group that may be implicated in the movement of each joint.

Abstract: A dosimeter system for determining radiation exposure including first and second units, where the first unit determines a first quantity indicating influence of a first radiation field, and transmitting the first quantity by the first detecting-unit to the second unit, where the second unit determines second quantity indicative of influence of a second radiation field on biological tissue, third detecting-unit determines a third quantity indicative of an influence of the second radiation field, where the third detecting-unit is of the same type as the first detecting-unit included by the first unit, and determining quantity for adjusting the first quantity on basis of the second quantity by the second detecting-unit and third quantity by the third detecting-unit, adjusting the first quantity so a fourth quantity indicative of an influence of the first radiation field on biological tissue based on the first quantity by the first detecting-unit and adjusting the first quantity.

Abstract: The invention relates to a system (100) for sensing ambient light intensity, comprising a wearable device (10) with at least one pair of light receivers (20, 22, 23, 24, 25) arranged in two different positions for receiving light from the two different directions, and a control unit (110) configured to determine a directional illuminance based on light intensities of the light received by the pair of light receivers (20, 22, 23, 24, 25).

Abstract: A heart rate detection earphone is worn on an auricle which has a cavitas conchae. The heart rate detection earphone includes an earphone body matched with and buckled in the auricle, a light guiding module disposed to the earphone body, and an optical sensor. The light guiding module defines a sensing surface exposed out of the earphone body, and the sensing surface abuts against the cavitas conchae. The optical sensor includes a light emitter and a light receiver respectively coupled with the light guiding module. Light beams emitted by the light emitter are guided by the light guiding module to irradiate the cavitas conchae. The light beams emitted by the light emitter are reflected by the cavitas conchae, and then the reflected light beams reflected by the cavitas conchae are returned to and are received by the light receiver through the light guiding module.

Abstract: Provided are a wearable device and a method for controlling the same. The wearable device may include a distance sensor unit configured to output a first signal for determining a distance between a user and the wearable device and to receive the first signal reflected from the user. The wearable device may also include a biometric sensor unit configured to output a second signal for determining biometric information of the user and to receive the second signal reflected from the user, and a controller configured to determine the distance based on the received first signal and to obtain the biometric information of the user based on a change in an attribute of the received second signal. The controller may control the biometric sensor unit to output the second signal if the determined distance is equal to or less than a reference distance.

Abstract: A catheter, such as a fractional flow reserve catheter, includes an elongate shaft having a proximal end optionally coupled to a handle or luer fitting and a distal end having a distal opening. A pressure sensing wire extends to the distal portion of the elongate shaft to be coupled to a pressure sensor mounted on the distal end for measuring a pressure of a fluid within lumen of vessel. The pressure sensor wire is disposed within a pocket formed adjacent to the pressure sensor thereby minimizing the profile of the catheter. Bending or flexing stress or strain experienced by a pressure sensor mounted to a fractional flow reserve catheter when tracking the catheter through the vasculature creates a distortion of the sensor resulting in an incorrect pressure reading or bend error. In order to isolate the sensor from bending or flexing stress and strain, the sensor is mounted so that the sensor is spaced apart from the elongate shaft of the catheter.

Abstract: In a method and apparatus for acquiring a magnetic resonance imaging dataset of an area to be examined of a patient by magnetic resonance data are acquired over a prespecified acquisition period which has been fixed for the acquisition process. This acquisition period is divided into a number of sub-periods. For each sub-dataset of the magnetic resonance data acquired by undersampling in a sub-period, at least one motion value describing the motion status of the area to be examined is determined, and the data subsets to be used for the reconstruction of the magnetic resonance imaging dataset are selected in dependence on the motion values in order to minimize motion artifacts.

Abstract: A biological information measurement apparatus includes a phase/frequency comparison unit that outputs a deviation signal based on a phase difference between a biological signal and an oscillation signal; a variable loop filter that varies a cutoff frequency and a phase margin and that selectively blocks a signal of a predetermined frequency band contained in the deviation signal; and a voltage controlled oscillation unit that generates the oscillation signal in accordance with the deviation signal that has passed through the variable loop filter. The apparatus further includes a CPU that estimates a SN ratio of the biological signal and analyzes a phase difference/frequency difference between the biological signal outputted from the comparison unit and the oscillation signal. The CPU further changes a constant of the variable loop filter based on the SN ratio and the phase difference/frequency difference.

Abstract: A biological information measurement apparatus includes a phase/frequency comparison unit that outputs a deviation signal based on a phase difference between a biological signal and an oscillation signal; a loop filter; and a voltage controlled oscillation unit that generates the oscillation signal in accordance with the deviation signal that has passed through the loop filter. The apparatus further includes a CPU that estimates a SN ratio of the biological signal and analyzes a phase difference/frequency difference between the biological signal and the oscillation signal. A variable low pass filter is provided that selectively blocks a signal of a predetermined frequency band contained in the deviation signal that has passed through the loop filter and the CPU changes a cutoff frequency of the variable low pass filter based on the SN ratio and the phase difference/frequency difference.

Abstract: An alarm notification apparatus includes an event detector for monitoring vital information of a body, such as a blood pressure and electrocardiogram, to check whether an anomalous event has occurred to the body. A reliability evaluator evaluates reliability of a result of detection of the anomalous event in the event detector. A notifier selects at least one addressee according to the reliability among plural predetermined addressees, and notifies the selected addressee of occurrence of the anomalous event. Preferably, a storage area is used for storing error log data expressing a false detection of an anomalous event in spite of non-occurrence of an anomalous event. Assuming that the event detector detects the anomalous event, the reliability evaluator obtains the reliability according to the error log data. Thus, it is possible to reduce influence of the false detection due to measurement artifact.

Abstract: A remote patient monitoring system having a main patient monitor and a remote patient monitor. The main patient monitor is configured to receive and collect one or more patient physiological parameters and to provide an alarm in response to an alarm trigger. The alarm trigger includes a determination that at least one of the collected patient physiological parameters has reached a predetermined value. The remote patient monitor has an alarm reset and is configured to be carried by a caregiver. It is also configured to receive a signal from the main patient monitor in response to the alarm and to transmit an indication about the alarm trigger. The indication includes one or more of a notification that the patient is being attended to, a request by the caregiver for additional help, or a message about resolution of the alarm trigger.

Abstract: A system for facilitating manual alignment of a needle with a planned path of insertion includes first and second cameras supported in fixed spaced relation by a frame such that the optical axes of the cameras form between them an angle of more than 30 degrees, and preferably roughly 90 degrees. A processing system generates video displays for both cameras. A line in each of the video displays corresponding to an input planned path of insertion is determined, and a visual indication of that line is generated on the video displays.

Abstract: A method records a tomosynthesis data set of a breast of a patient with an X-ray device. The device contains an X-ray detector for the support of the breast, a compression plate for the breast and being parallel to the X-ray detector, and an X-ray source, which is movable in a basic angle interval around a central position, in which the midperpendicular of the detector area corresponds to the central ray of the X-ray source. The tomosynthesis data set is reconstructed from projection images recorded at different projection angles over a recording interval. A recording angle interval that is asymmetrical relative to the central position is used in the case of an asymmetrically positioned breast, in particular for an MLO view.

Abstract: An X-ray shield for a horizontal X-ray procedure table, the X-ray shield comprising a horizontal support bar comprising at least one substantially vertically aligned slot, in combination with an X-ray opaque top shield comprising at least one downwardly projecting pin, the at least one pin being arranged so as to be disposable within the at least one slot from above in order to engage the top shield with the horizontal support bar, the X-ray shield further comprising a latch means engagable to prevent the separation of the top shield from the support bar when the top shield is engaged with the support bar, and wherein the latch means can be unengaged to permit the removal of the top shield from the support bar by withdrawing the at least one pin from the at least one slot.

Abstract: Disclosed is an X-ray imaging device, the device including: an X-ray radiation unit for radiating X-rays to the predetermined target areas of an object to be imaged in respective imaging positions; an X-ray sensing unit for receiving the X-rays; a movement unit for arranging the X-ray radiation unit and the X-ray sensing unit to allow the X-ray radiation unit and the X-ray sensing unit to face each other in the respective imaging positions, with the object located therebetween; a position information provision unit for providing position information of the X-ray radiation unit and the X-ray sensing unit, position information of the variable rotary shaft, and position information of the target areas; a control unit for controlling the X-ray radiation unit, the X-ray sensing unit, and the movement unit; and an image processing unit for producing three-dimensional images of the object from the projection data.

Abstract: Device comprising: a chassis (1) which supports the entire assembly, a telescopic column (2) which comprises a lower fixed portion (5) rotating with respect to a vertical axis, and at least one upper mobile portion (6), a telescopic arm (3) that moves along the vertical column and that supports an x-ray emitter (4) at its end, wherein the telescopic arm-head assembly can be moved from the lower position of the mobile column in its retracted position to the upper position of the mobile column in its extended position, and also in that all the movements of the column are manual and have a mechanical balancing mechanism which comprises a first mechanism consisting of a spring, a block and tackle, and a variable radius pulley all housed in the fixed portion of the column, and a second balancing mechanism consisting of a recovery pulley and a two-radii pulley which balances the weight between the input of the cable and that of the telescopic arm and head assembly.

Abstract: An X-ray imaging device and an X-ray imaging method for obtaining 3D X-ray images of an entire field of view (FOV). The device includes an X-ray source for radiating X-rays to a part of an FOV and an X-ray sensor for detecting the X-rays, which have passed through the part of the FOV. The X-ray sensor has a width narrower than the radius of a smallest circle including a cross section perpendicular to the longitudinal direction of the FOV. A rotating arm supports the X-ray source and the X-ray sensor to face each other with the FOV therebetween. The rotating arm rotates and moves about an axis of rotation between the X-ray source and the X-ray sensor so that the X-rays are radiated to the entire area of the FOV in various directions of the FOV.

Abstract: The image display control device includes a thumbnail image display control unit that displays a thumbnail image of a tomographic image forming a three-dimensional image, a display instruction receiving unit that receives an instruction to display the three-dimensional image, and a tomographic image display control unit that displays a plurality of tomographic images on a display screen which is different from a display screen on which the thumbnail image is displayed such that the tomographic images are sequentially switchable when the instruction to display the three-dimensional image is received. The thumbnail image display control unit newly generates a thumbnail image of the tomographic image displayed immediately before the display of the tomographic image ends, changes the current thumbnail image to the new thumbnail image, and displays the new thumbnail image.

Abstract: A computed tomography (CT) imaging apparatus for performing a scanogram includes a radiation source to emit X-rays; a plurality of photon-counting detectors (PCDs) arranged in a circular ring between the radiation source and a CT detector; and processing circuitry to perform a first scan to obtain projection data; determine a plurality of dark channels by comparing the obtained projection data to a predetermined threshold; add at least one adjacent padding channel to the determined plurality of dark channels to determine a plurality of shadowed channels; generate a correction map from the determined plurality of shadowed channels; and correct a scanogram obtained by a second scan based on the generated correction map. The apparatus reduces the shadow effects in the scanogram scan.

Abstract: In an imaging system, vascular tomographic images and vascular fluoroscopic images which each include a plurality of frames are collected. A position of an image of the probe included in each of the frames of the fluoroscopic images is acquired. The frame of the fluoroscopic image and the frame of the tomographic image which is taken at substantially the same time as the frame of the fluoroscopic image are displayed at the same time. A position of a blood vessel designated by a user is acquired from the displayed frame of the fluoroscopic image. The frame of the fluoroscopic image which includes the image of the probe at a position closer to the position of the blood vessel designated by the user is displayed at the same time as the frame of the tomographic image which is taken at substantially the same time as the frame of the fluoroscopic image.

Abstract: A change of X-ray radiation quality due to a material existing between an X-ray source and a detection element is estimated and corrected. Accordingly, deterioration of material discrimination ability in a dual energy imaging method can be prevented. An X-ray imaging apparatus is provided with an inherent filtration calculator configured to use measured data obtained by imaging air at two or more types of different tube voltages to calculate a deviation from a reference radiation quality, as a transmission length (inherent filtration) of a predetermined reference material. A reference-material transmission-length conversion is applied to the measured data according to the dual energy imaging method, thereby calculating the reference material transmission length (inherent filtration). When a subject is imaged, the dual energy imaging is performed by adding the inherent filtration calculated as to each detection element, and this produces an image with the change of radiation quality having been corrected.

Abstract: A tracking system for tracking focal spot position of an x-ray source includes a detector array including a plurality of detecting elements sensitive to x-ray radiation and a grid overlaid on a detecting surface of the detector array. The grid is formed from an array of vanes and has a density greater than a density of the detector array.

Abstract: A bowel sound analysis method and system utilizes an audio collection apparatus to continuously monitor an abdominal cavity of an examinee and collect a bowel sound signal of an intestinal tract inside the abdominal cavity, converts the bowel sound signal into a digital signal, then removes noise from the digital signal by using higher-order statistics (HOS) and captures a high-complexity feature from the digital signal by using fractal dimension algorithm, and subsequently defines the high-complexity feature as an intestinal motility signal. The refore, according to the intestinal motility signal, a time point when intestinal motility occurs in the intestinal tract inside the abdominal cavity of the examinee can be learned, and bowel sound features such as the amplitude, frequency, and period of the intestinal motility signal may further be analyzed to determine a health condition of the intestinal tract.