Abstract: The present invention relates generally to systems and methods for measuring an analyte in a host. More particularly, the present invention relates to systems and methods for transcutaneous measurement of glucose in a host.

Abstract: The present invention relates generally to systems and methods for measuring an analyte in a host. More particularly, the present invention relates to systems and methods for transcutaneous measurement of glucose in a host.

Abstract: The invention comprises a method and apparatus for noninvasively determining state of a person, comprising the steps of: providing an analyzer comprising a first and second spectrometer unit and a main controller subsystem; replaceably attaching the first spectrometer unit to the person at a first illumination zone; the first spectrometer unit delivering first photons, from first illumination optics, along a first mean z-axis optical path normal to a first x/y-plane tangentially contacting the first illumination zone of the person; replaceably attaching a second spectrometer unit to the person at a second illumination zone; the second spectrometer delivering second photons, from second illumination optics, along a second mean z-axis optical path perpendicular to a second x/y-plane tangentially contacting the second illumination zone of the skin, the first x/y-plane noncoplanar with the second x/y-plane; and the main controller processing detected signals to generate at least one measure of state of the person

Abstract: Embodiments include methods, systems, and apparatus for identification, detection, and removal of cancerous cells from a patient. The apparatus includes an apparatus handle. The apparatus also includes a display including a pH measurement result. The apparatus also includes an apparatus tip including a reference electrode and a plurality of sensing surfaces, wherein each of the plurality of sensing surfaces is connected to a base of a bipolar junction transistor (BJT) device. The BJT device further includes a collector and an emitter. The apparatus also includes automation circuitry including a processing unit in communication with the apparatus tip and the display. The plurality of sensing surfaces includes a conducting material.

Abstract: Systems and methods for processing sensor analyte data are disclosed, including initiating calibration, updating calibration, evaluating clinical acceptability of reference and sensor analyte data, and evaluating the quality of sensor calibration. The sensor can be calibrated using a calibration set of one or more matched sensor and reference analyte data pairs. Reference data resulting from benchtop testing an analyte sensor prior to its insertion can be used to provide initial calibration of the sensor data. Reference data from a short term continuous analyte sensor implanted in a user can be used to initially calibrate or update sensor data from a long term continuous analyte sensor.

Abstract: Systems and methods for processing sensor analyte data are disclosed, including initiating calibration, updating calibration, evaluating clinical acceptability of reference and sensor analyte data, and evaluating the quality of sensor calibration. The sensor can be calibrated using a calibration set of one or more matched sensor and reference analyte data pairs. Reference data resulting from benchtop testing an analyte sensor prior to its insertion can be used to provide initial calibration of the sensor data. Reference data from a short term continuous analyte sensor implanted in a user can be used to initially calibrate or update sensor data from a long term continuous analyte sensor.

Abstract: Systems and methods for processing sensor analyte data are disclosed, including initiating calibration, updating calibration, evaluating clinical acceptability of reference and sensor analyte data, and evaluating the quality of sensor calibration. The sensor can be calibrated using a calibration set of one or more matched sensor and reference analyte data pairs. Reference data resulting from benchtop testing an analyte sensor prior to its insertion can be used to provide initial calibration of the sensor data. Reference data from a short term continuous analyte sensor implanted in a user can be used to initially calibrate or update sensor data from a long term continuous analyte sensor.

Abstract: Presented are concepts for monitoring cardio-respiratory function of a patient. One such concept employs an optical sensor unit (10) for sensing light from tissue of the patient in response to temporary airway pressure changes provided via a respiratory support unit (50). By sensing variations in blood volume in the central site vein in response to temporary airway pressure changes, venous information of the person may be obtained.

Abstract: A biological-information measuring apparatus includes an informing unit that informs a subject whose biological information is to be measured of a reference rhythm that is predetermined as a rhythm suitable for measurement of the biological information, a measured value of which varies in accordance with a breathing state of the subject, in such a manner that a breathing rhythm of the subject becomes close to the reference rhythm and a measuring unit that measures the biological information of the subject who performs breathing to the reference rhythm, which is given to the subject by the informing unit.

Abstract: A method and apparatus for non-invasively determining a blood oxygen saturation level within tissue of an internal organ is provided. The method includes: applying a near infrared spectrophotometric sensor on an external surface of an organ; operating the sensor to emit light from a light source directly into the tissue of the organ at a first tissue location, and to sense the emitted light at a second tissue location, which emitted light has traveled through the tissue between the first and second tissue locations, and to produce signals representative of the intensity of the sensed emitted light; using a processor to execute instructions, which instructions cause the processor to: determine an attenuation value of the emitted light for each wavelength, and determine a blood oxygen saturation level of the organ tissue using the determined attenuation values for each of the plurality of wavelengths.

Abstract: Disclosed is a ring-type pulse oximeter, including a rigid ring body (1). A measurement unit (2) is arranged inside the rigid ring body (1), and an elastic device (3), a photodiode (4), and at least one light emitting diode (5) are protrudingly disposed on an inner circumferential surface of the rigid ring body (1). When the ring-type pulse oximeter is worn, the elastic device (3) is pressed, so that the photodiode (4) and the at least one light emitting diode (5) fit with a finger, light emitted by the light emitting diode (5) is attenuated by the finger, then received by the photodiode (4) and processed by the measurement unit (2) to calculate blood oxygen saturation. The ring-type pulse oximeter exerts a force on a portion of the finger, such that the finger maintains a tight fit to the photodiode (4) and the light-emitting diode (5), thereby providing a comfortable wearing experience as well as adaptability to different finger shapes, and improving measurement accuracy.

Abstract: A method capturing eye movement data for detection of cognitive anomalies, includes a computer application displaying a frame on a display, capturing and displaying a video image of a user's face and eyes, while the user aligns the face to the frame, capturing and processing the face image to initiate an image eye movement capture process, outputting an indication on a display and moving the indication spatially to one of a plurality of images, capturing a video of each user eye, to track the position of the indication of the display, the image of each eye comprising a sclera portion, an iris portion, and a pupil portion, parsing the video to determine a reference images corresponding to eye positions, capturing the user's eyes while the user views familiar and novel images, and correlating the images of the user's eyes to the familiar or novel images using the reference images.

Abstract: The invention can be used to obtain information about a psychophysiological state of a person in different fields, including biometrics, psychophysiology, functional diagnostics and psychology. For this purpose, the following primary psychophysiological characteristics are determined: an energy characteristic, as an indicator of the energy given off by a person, and an information characteristic, as an indicator of the efficiency of information exchange. A person's current psychophysiological state is determined in real time, and additionally the pattern of change in the person's current psychophysiological state over a monitoring period is evaluated.

Abstract: Systems and methods for facilitating exercise monitoring are provided. A representative method includes: using a processor, having processor circuitry, to: compute an orientation change of the single wearable device based on the motion readings; determine a current training type and a target status associated with the current training type based on the schedule of training types; select one of the computing models associated with the current training type; compare the set of matching orientation changes corresponding to the current training type and the orientation change of the single wearable device with respect to a determination threshold corresponding to the current training type until the target status associated with the current training type has been attained; and compute an exercise amount associated with the current training type based on the target status attained.

Abstract: A pH measuring device is disclosed. One aspect includes a body portion including a hollow portion therein and a through-portion formed in a first region so that the hollow portion communicates with the outside; an electrode unit including a reference electrode and a sensing electrode including different materials and configured to measure the pH in a living body by allowing a first end to be located in the hollow portion and a second end opposite to the first end to be exposed to the outside of the body portion through the through-portion; and a wireless communication unit configured to transmit a pH measurement value sensed by the electrode unit to the outside.

Abstract: Apparatus and methods for monitoring pregnancy or labour are disclosed. In one embodiment the apparatus includes an electromyography (EMG) sensor having two or more EMG electrodes to monitor fetal or maternal activity during pregnancy or labour and one or more position sensors to monitor the relative positioning of the two or more EMG electrodes during the fetal or maternal activity. In one embodiment, the apparatus includes a monitoring device to be placed on a body and having a plurality of sensors integrated into the monitoring device, the plurality of sensors including at least: a first sensor configured to detect a first type of signal from the body indicative of a first type of fetal or maternal activity during pregnancy or labour; and a second sensor configured to detect a second type of signal from the body, different from the first type of signal, also indicative of the first type of fetal or maternal activity during pregnancy or labour.

Abstract: A system for assessing a spinal disorder includes a wearable electronic device having one or more sensors and an assessment system. The wearable electronic device is configured to be positioned on a portion of a lower back of a wearer, and the one or more sensors are configured to obtain patient data associated with the wearer. The system receives patient data from the one or more sensors, where the patient data includes movement data associated with movement of the lower back of the wearer, classifies the movement data into an initial grouping, further classifies the at least a portion of the movement data into one of the plurality of activity categories, generate a score corresponding to the at least a portion of the movement data based on the activity category to which the movement data is classified, and cause the score to be displayed via a client electronic device.

Abstract: Aspects relate to a portable device that may be used to identify a critical intensity and an anaerobic work capacity of an individual. The device may utilize muscle oxygen sensor data, speed data, or power data. The device may utilize data from multiple exercise sessions, or may utilize data from a single exercise session. The device may additionally estimate a critical intensity from a previous race time input from a user.

Abstract: A method includes selecting a treatment mode displayed on a screen of a mobile phone or tablet PC, using a camera of the tablet PC or mobile phone to capture an image area containing (i) one or both pupils, the nose, eyebrows, eye hole, lips, ears, cheeks and/or chin of the person, and (ii) a toothbrush moving at least in an X-/Y-plane, and wirelessly receiving sensor data from the toothbrush in the mobile phone or tablet PC. The sensor data contains at least rotational movements and/or acceleration of the toothbrush captured by an acceleration sensor and/or a rotation sensor, disposed in or on the toothbrush. Thereafter, the method includes processing the sensor data in a processor, thereby generating processed sensor data, generating correction information based on the processed sensor data and the selected treatment mode, and displaying the correction information on the screen of the mobile phone or tablet PC.

Abstract: The present invention provides a light-weight wearable sensor that can capture electroencephalogram (EEG or brain signals), electromyography (EMG or muscle signal), and electrooculography (EOG or eye movement signal) using a pair of modified off-the-shelf earplugs. The present invention further provides a supervised non-negative matrix factorization learning algorithm to analyze and extract these signals from the mixed signal collected by the sensor. The present invention further provides an autonomous and whole-night sleep staging system utilizing the sensor's outputs.

Abstract: Devices and or methods for monitoring respiratory functions of a subject. The system includes a first sensor for measuring the motion of at least on surface of a subject for abdominal, chest, or other area motion to determine volume changes in the area. The second sensor measures the thermal temperature of a target area or device on a surface of the patient, for example near the upper lip of the subject. Specific aspects of the patients breathing health may be analyzed from comparison of respiratory rates calculated from the two sensors. The systems and methods can detect regular breathing, slow breathing (hypopnea), fast breathing (tachypnea), no breathing (apnea), obstructed breathing, or other anomaly. The systems and method may further be configured to trigger an alarm in predetermined situations.

Abstract: A bio-signal processing apparatus, a biometric information detection apparatus, and a method of detecting biometric information are provided. The bio-signal processing apparatus includes a first low pass filter (LPF) configured to have a first cutoff frequency, and output a first preprocessed signal having low frequency components of an input bio-signal that are less than the first cutoff frequency, a second LPF configured to have a second cutoff frequency, and output a second preprocessed signal in which high frequency components greater than or equal to the second cutoff frequency are removed from the input bio-signal, and a processor configured to output an output bio-signal for biometric information detection, based on the output first preprocessed signal and the output second preprocessed signal.

Abstract: A capacitive sensor may include a stretchable substrate, a first conductor assembly disposed on the substrate, a second conductor assembly disposed on the substrate and above the first conductor, and a redundancy member coupled to the one of the conductor assemblies. A capacitive sensor may include a first serpentine conductor assembly disposed on the substrate and having first and second terminal ends coupled to the substrate, a second serpentine conductor assembly disposed above and overlapping the first conductor assembly and having first and second terminal ends coupled to the substrate, wherein each of the terminal ends of the first conductor assembly is offset from the corresponding terminal ends of the second conductor assemblies. A sensor system may include a stretchable sensor, an electronics module coupled to the stretchable sensor, and a strain relief member extending from the stretchable sensor and coupling to the electronics module.

Abstract: A glove is described to simultaneously, non-invasively, and continuously, over a period of time, monitor physiological parameters (e.g., blood pressure, blood glucose, oxygen saturation level, electrical activity of the heart, and/or heart rate) of a patient. A computing server that is either communicatively coupled to the glove or is a part of the glove uses the monitored physiological parameters to determine whether the patient has a physiological condition (e.g., hypotension, hypertension, hypoglycemia, hyperglycemia, hypoxia, hyperoxia, arrhythmia, a strong form of tachycardia, a mild form of tachycardia, and/or bradycardia). Related apparatuses, systems, methods, techniques and articles are also described.

Abstract: A heart rate measurement method and device is disclosed. A heart rate detecting sensor detects one biometric signal (e.g. PPG) of a user at a first time interval. A fitness detecting sensor detects a distance signal reflecting and corresponding to a degree of fitness between the heart rate measurement device and skin of the user. A processor obtains a heart rate value based on the one biometric signal, determines whether the heart rate value is desirable based on the distance signal. A heart rate value is kept if determined to be desirable, or discarded if otherwise. Physiological information of the user can be collected to determine whether a body of the user is in a state of movement, and if so, an action instruction can be sent to the heart rate measurement device to adjust the degree of fitness between the device and skin of the user.

Abstract: Disclosed are biocompatible multi-electrode devices capable of being implanted in sensitive tissue, such as the brain, and methods for fabricating such arrays. The disclosed arrays can be implanted in living biological tissue with a single needle insertion. The devices can include linear arrays with contacts along an edge, linear arrays with multiple electrodes per opening in a parylene support layer, multi-thread electrode arrays, tree-like electrode arrays, and combinations thereof. In an embodiment, a compliant electrode apparatus can comprise a biocompatible and bio-implantable compliant dielectric having a top edge defined by a top and a side along a length of the dielectric, insulated electrical traces oriented along the length of the dielectric, and electrode contacts coupled to the traces and situated on the side along the length of the dielectric, wherein an exposed portion of a respective electrode contact protrudes beyond the top edge of the dielectric.

Abstract: A method, for enhancing uptake, into a disease site, of therapeutic agent administered to the bloodstream, includes sealing a partial enclosure to the patient at the disease site, administering the therapeutic agent to the bloodstream at a first time, and evacuating air from the partial enclosure to produce a partial vacuum in the partial enclosure at a second time that is after the first time by a first delay. A system, for enhancing uptake, into a disease site, of therapeutic agent administered to the bloodstream, includes a first partial enclosure configured to seal to an exposed surface overlying the disease site, a pump configured to produce a partial vacuum in the first partial enclosure to enhance the uptake of the therapeutic agent, and a control module for controlling delay between delivery of the therapeutic agent to the bloodstream and production of the partial vacuum.

Abstract: Method and apparatus for inserting at least a portion of a sensor into a patient is provided.

Abstract: Systems, devices and methods for sensing physiologic data and draining and analyzing bodily fluids are described which are capable of sensing physiologic data based on sensors incorporated into a catheter adapted to reside in any of a urinary tract, gastrointestinal tract, rectal location, pre-peritoneal, pleural space or other body cavity. The devices aid emptying of the bladder, measure urine output and various urine parameters such as oxygen tension, urine conductance and urine specific gravity, monitor renal function, analyze urine parameters, including urine content, including the presence of infection, and track and/or control fluid administration.

Abstract: A transport apparatus may include a patient bed unit for supporting the patient; a transferring unit for moving the patient bed unit along a first direction of the MRI device; and an elevating module for moving the patient bed unit along a second direction of the MRI device.

Abstract: Certain exemplary embodiments can provide an apparatus wearable by a user. The apparatus can comprise a biometric sensor constructed to generate signals based upon measurements of the user. The apparatus can comprise a processor constructed to determine a significant detrimental change in the user via an algorithm based upon the signals.

Abstract: A method for detecting a needle in magnetic-resonance images, wherein a needle artifact and/or a needle location is identified by means of algorithms based on artificial intelligence within the context of machine learning. Also, corresponding apparatus, control facility, and magnetic resonance tomography system.

Abstract: Computed Tomography (CT) and Magnetic Resonance Imaging (MRI) are commonly used to assess patients with known or suspected pathologies of the lungs and liver. In particular, identification and quantification of possibly malignant regions identified in these high-resolution images is essential for accurate and timely diagnosis. However, careful quantitative assessment of lung and liver lesions is tedious and time consuming. This disclosure describes an automated end-to-end pipeline for accurate lesion detection and segmentation.

Abstract: Methods and systems are disclosed for a guidance application that allows a practitioner to easily correlate a fluctuation in any channel of a plurality of channels constituting received electroencephalography (“EEG”) data to a particular physical manifestation. For example, the guidance application automatically synchronizes incoming EEG data to the physical manifestations and allows for automatic retrieval a portion of video data (e.g., of the physical manifestation) that corresponds to a selected portion of EEG data.

Abstract: A computed tomography apparatus and a method for influencing a position of a focal spot in an x-ray radiation source having a centering device to center an electron beam and a focus are provided. The method includes positioning a reference object into a beam path of x-ray radiation between the x-ray radiation source and an x-ray radiation detector, the x-ray radiation detector having detector elements to generate an x-ray image, capturing an x-ray image of the reference object at different powers, reducing a focal spot displacement occurring at the different powers based on a comparison of the x-ray images captured at the different powers with one another, by setting at least one altered electric current to operate the centering device or the centering devices of the x-ray radiation source, and operating the computed tomography apparatus with the altered electric current, by which the focal spot displacement was reduced.

Abstract: The present approach relates to the use of augmented or enhanced reality to facilitate positioning of one or more of a patient, X-ray source, or detector during an image acquisition. In certain implementations, sensors and/or cameras provide quantitative information about the position of system components and the patient, which may be used to generate a positioning signal (positioning image audio or textual positioning instructions) based upon reference to a prior patient image.

Abstract: Apparatus and methods are described including, using a computer processor (28), automatically identifying whether a given pixel (111) within an image corresponds to a portion of an object. A set of concentric circles (132a-c) that are disposed around the pixel are sampled, and a first function is applied to each of the circles such that the circles are defined by a first set of rotationally invariant descriptors. A second function is applied to the set of circles to generate a second set of descriptors, each of which represents a difference between respective pairs of the circles. A third function is applied such that the second set of descriptors becomes rotationally invariant. The processor identifies whether the given pixel corresponds to the portion of the object, based upon the first and second sets of rotationally invariant descriptors. Other applications are also described.

Abstract: The invention relates to positioning a volume to be imaged for computed tomography imaging. According to the invention, at least two optical cameras (22) are used for taking a photo or for live imaging an anatomy from different directions. A volume positioning indicator (42) is shown in connection with these images, the volume positioning indicator (42) indicating the location of the volume within the area imaged by the cameras (22) to get imaged by the computed tomography imaging apparatus (10).

Abstract: Systems and methods for generating tunable x-ray emissions including a tunable x-ray source that includes a driver, such as a laser, configured to generate one or more driver pulses, such as one or more laser pulses, and a target source configured to emit a target material. The target source is arranged so that the emitted target material intersects a propagation axis of the driver pulse(s) and the target source may be configured so that the emitted target material has a tailored density profile along the propagation axis of the driver pulse(s), the tailored density profile along the propagation axis having a first density peak region followed by a lower density region followed by a second density peak region, e.g., in an “M” shape.

Abstract: The invention relates to off-center detector X-ray tomography reconstruction of an image of an object on the basis of projection data acquired during a rotation of an X-ray source and the off-center detector around the object in two rotational passes of less than 360°, wherein a focus point of the X-ray beam travels along largely overlapping arcs (401, 402) in the two rotational passes, the off-center detector being positioned asymmetrically with respect to a central of the X-ray beam and a direction of a detector offset being reversed between the passes. According to the invention, redundancy weighting of the projection data with respect to a redundant acquisition of projection values during each of the rotational passes is made using a redundancy weighting function determined on the basis of a union of the arcs (401, 402).

Abstract: A medical imaging system includes a movable station and a gantry. The movable station includes a gantry mount rotatably attached to the gantry. The gantry includes an outer C-arm slidably mounted to and operable to slide relative to the gantry mount, an inner C-arm slidably coupled to the outer C-arm and, an imaging signal transmitter and sensor attached to the C-arms. The two C-arms work together to provide a full 360 degree rotation of the imaging signal transmitter.

Abstract: A medical X-ray imaging arrangement includes an X-ray image acquisition device, a movable carriage, and an air-supply for an operating zone. The carriage is movably mountable to a ceiling of an operating room. The X-ray image acquisition device has an Xray source, and the X-ray image acquisition device is movably mounted to the movable carriage for acquiring image information of an object. Further, the air-supply includes a plurality of air outlets provided on a bottom side of the carriage arranged to provide treated air from an air-feed as a primary laminar downflow defining a carriage laminar flow zone for the operating zone.

Abstract: System and method for nanoscale X-ray imaging of biological specimen. The imaging system comprises an X-ray source including a plurality of spatially and temporally addressable electron sources, an X-ray detector arranged such that incident X-rays are oriented normal to an incident surface of the X-ray detector and a stage arranged between the X-ray source and the X-ray detector, the stage configured to have mounted thereon a biological specimen through which X-rays generated by the X-ray source pass during operation of the imaging system. The imaging system further comprises at least one controller configured to move the stage during operation of the imaging system and selectively activate a subset of the electron sources during movement of the stage to acquire a set of intensity data by the X-ray detector as the stage moves along a three-dimensional trajectory.

Abstract: Methods and systems for medical imaging including synthesizing virtual projections from acquired real projections and generating reconstruction models and images based on the synthesized virtual projections and acquired real projections. For example, first x-ray imaging data is generated from a detected first x-ray emission at a first angular location and second x-ray imaging data is generated from a detected second x-ray emission at a second angular location. Based on at least the first x-ray imaging data and the second x-ray imaging data, third x-ray imaging data for a third angular location relative to the breast may be synthesized. An image of the breast may be displayed or generated from the third x-ray imaging data.

Abstract: A first sequence of cardiac image frames are received by a first neural network of the neural network system. The first neural network outputs a first set of feature values. The first set of feature values includes a plurality of data subsets, each corresponding to a respective image frame and relating to spatial features of the respective image frame. The first set of feature values are received at a second neural network of the neural network system. The second neural network outputs a second set of feature values relating to temporal features of the spatial features. Based on the second set of feature values, a cardiac phase value relating to a cardiac phase associated with a first image frame is determined.

Abstract: The present disclosure relates to a method, storage medium, and system for analyzing an image sequence of a periodic physiological activity. In one implementation, the method includes receiving the image sequence acquired by an imaging device, the image sequence having a plurality of frames, and identifying a feature point in a first frame. The method further includes determining motion vectors for the feature point in the frames of the image sequence. Each motion vector for the feature point is determined based on respective locations of corresponding feature points in frames adjacent to the first frame. The method also includes determining a motion magnitude profile based on the determined motion vectors and determining a phase of each frame in the image sequence based on the motion magnitude profile.

Abstract: Method, system, device and medium for determining a blood flow velocity in a vessel are provided. An example method includes receiving a 3D model of the vessel, which is reconstructed based on X-ray angiography images of the vessel. The method further includes specifying a segment of the 3D model by a start landmark and a termination landmark. Moreover, the method includes determining the blood flow velocity based on length of the segment and perfusion time for the segment by normalizing the blood flow velocity to correspond to a cardiac cycle. The method has a better accuracy in calculating blood flow velocity, and requires no additional modalities other than the original X-ray angiogram sequences used to visualize coronary arteries.

Abstract: In the attenuation coefficient image estimation method of the present invention, an attenuation coefficient value is corrected in Step S8 (?=??+?×?off) based on a mathematical relationship in which the difference between a value of a non-quantitative image ?? in a region ? and a known attenuation coefficient value (a value of a true attenuation coefficient image) can be approximated by ?×?off obtained by multiplying an offset image ?off by a coefficient ?. Therefore, in the attenuation coefficient image having the attenuation coefficient value ? corrected in Step S8 (?=??+?×?off), a systematic error becomes small. As a result, a quantitative attenuation coefficient image can be generated, which enables accurate attenuation correction of the radioactivity image.

Abstract: The present invention relates to displaying spatial information of an interventional device in a live 2D X-ray image. In order to provide a facilitated visualization technique to provide 3D information of a subject, a device (10) for providing spatial information of an interventional device in a live 2D X-ray image is provided. The device comprises an input unit (12), and a processing unit (16). The input unit is configured to provide an actual 2D X-ray image (18) of a region of interest related to a portion of a patient's body. A target location (22) lies within the region of interest. At least a portion (20) of an interventional device is arranged in the region of interest. The input unit is configured to provide actual 3D ultrasound data of at least a part of the region of interest and at least a portion of an interventional device (19). The target location (22) lies within the region of interest. The processing unit is configured to register the actual 3D ultrasound data to the actual 2D X-ray image.

Abstract: An X-ray image diagnostic apparatus images a subject with X-rays without increasing the burden on a user, and includes an X-ray image diagnostic apparatus 1, a table 4 on which a subject is placed on the top-surface thereof; an X-ray tube 5 disposed beneath the back side of the table and which emits X-rays; a detector 6 disposed above the table 4 so as to face the X-ray tube 5 and detecting the X-rays emitted from the X-ray tube 5 and penetrating the subject on the table 4; an X-ray tube moving mechanism 12 that moves the X-ray tube 5 in a direction approaching the table 4 and moving away therefrom; a detector moving mechanism 13 that moves the detector 6 in a direction approaching the table 4 and moving away therefrom; and a control unit 14 that controls a distance between the X-ray tube 5 and the detector 6 by controlling action of the X-ray tube moving mechanism 12 and the detector moving mechanism 13.