Abstract: A computing system (118) includes a computer readable storage medium (122) with computer executable instructions (124), including: a biophysical simulator (126) configured to simulate coronary or carotid flow and pressure effects induced by a cardiac valve device implantation, using cardiac image data and a device model (212). The computing system further includes a processor (120) configured to execute the biophysical simulator to simulate the coronary or carotid flow and the pressure effects induced by the device implantation with the cardiac image data and the device model. The computing system further includes a display configured to display results of the simulation.

Abstract: An imaging system includes a radiation source (108) configured to rotate about an examination region (106) and emit radiation that traverses the examination region. The imaging system further includes an array of radiation sensitive pixels (112) configured to detect radiation traversing the examination region and output a signal indicative of the detected radiation. The array of radiation sensitive pixels is disposed opposite the radiation source, across the examination region. The imaging system further includes a rigid flux filter device (130) disposed in the examination region between the radiation source and the radiation sensitive detector array of photon counting pixels. The rigid flux filter device is configured to filter the radiation traversing the examination region and incident thereon. The radiation leaving the rigid flux filter device has a predetermined flux.

Abstract: A method and system for generating imaging data during a medical intervention are provided. An external optical sensor is attached on the patient's body, and includes at least one external orientation fiber core configured to measure an orientation of the external optical sensor relative to a point of reference. The external optical sensor is interrogated to generate external sensor orientation information during the medical intervention. That information is used to estimate an orientation of the external optical sensor, which is then displayed during the medical intervention.

Abstract: There is provided a computer-implemented method (200) and apparatus for determining a transformation for anatomically aligning fragments of a broken bone. An image of the broken bone of the subject is acquired (202). The bone is broken into two or more fragments. A model of a corresponding unbroken bone and at least one parameter is acquired. The at least one parameter defines one or more deformations to the model that are permitted when fitting portions of the model of the unbroken bone to corresponding fragments of the broken bone (204). Portions of the model of the unbroken bone are fit to corresponding fragments of the broken bone based on the at least one parameter (206). A transformation is determined that anatomically aligns the fragments of the broken bone with the corresponding portions of the model (208).

Abstract: The present invention relates to a guidance device (10) for a TEE probe (20), a medical imaging system (1), a method for guiding a TEE probe (20), a computer program element for controlling such device and a computer readable medium having stored such computer program element. The guidance device (10) for a TEE probe (20) comprises an image data provision unit (11), and a processing unit (12). The image data provision unit (11) is configured to provide first image data showing an interventional device (40) and a TEE probe (20) in an initial position and orientation. The processing unit (12) is configured to determine a centerline of the interventional device (40) in the first image data. The processing unit (12) is configured to determine a plane (41) orthogonal to a tangent of the centerline as viewing plane. The processing unit (12) is configured to calculate an imaging plane and an imaging orientation of the TEE probe (20) to lie approximately in the viewing plane.

Abstract: In one embodiment, an encryption system may protect user login metadata from hammering attacks. A data storage may store an integrity protected data set for an operating system in a storage location. A processor may register a counter reading from a remote counter in a secure location separate from the storage location. The processor may determine a lockout state of the integrity protected data set based on the counter reading.

Abstract: A measurement system for measuring a length of movement of an elongate intraluminal device. Cameras are included to obtain three dimensional video data of movement of an elongate intraluminal device by hand. The video data is processed to track the movement of the elongate intraluminal device in three dimensions to provide the length measurement of movement of the elongate intraluminal device.

Abstract: Cone beam computed tomography image acquisition protocols typically acquire a series of 2D projection images around a region of interest of a patient. The time required for a C-arm to travel around an acquisition orbit around the region of interest of a patient is non-trivial, and as a result, a patient being imaged may move during the acquisition. This is problematic because many computed tomography image acquisition algorithms assume that a patient is perfectly still during the acquisition time. If patient moves as the series of 2D projection images is being obtained, a 3D reconstruction will be affected by image artefacts. This application proposes to identify and to remove image artefacts caused by the relative motion of at least two rigid objects in the region of interest (For example, a mandible moving with respect to a skull during the acquisition).

Abstract: An imaging system combines a probe for obtaining image data in respect of a structure of interest below a surface of a subject, a first camera for obtaining images of the surface of the subject and a second camera for capturing images of the environment. A surface model of the subjects surface is obtained, and the position and/or orientation of the probe is tracked on the surface. Image data acquired at different positions and orientations is stitched based on the tracked position of the probe.

Abstract: An interventional X-ray system is proposed, the system including a multi X-ray source unit positioned below a patient table. This ‘multiblock’ may comprise several x-ray sources with focal spot positions distributed along the x-y (table) plane. The x-ray sources are operable in a switching scheme in which certain x-ray sources may be activated in parallel and also sequential switching between such groups is intended. The switching may be carried out so that several images with different projection angles can be acquired in parallel. In other words, an optimal multi-beam X-ray exposure is suggested, wherein fast switching in one dimension and simultaneous exposure in the 2nd dimension is applied.

Abstract: A system (SY) for determining a relative importance of each of a plurality of image features (Fn) of a vascular medical image impacting an overall diagnostic metric computed for the image from an automatically-generated diagnostic rule. A medical kin image database (MIDB) includes a plurality of vascular medical images (M1 . . . k). A rule generating unit (RGU) analyzes the plurality of C vascular medical images and automatically generates at least one diagnostic rule corresponding to a common diagnosis of a subset of the plurality of vascular medical images based on a plurality of image features common to the subset of vascular medical images. An image providing unit (IPU) provides a current vascular medical image (CVMI) including the plurality of image features. A diagnostic metric computation unit (DMCU) computes an overall diagnostic metric for the current vascular medical image by applying the at least one automatically-generated diagnostic rule to the current vascular medical image.

Abstract: In a conventional system for preparing reports on findings in medical images, the actual formulation of the report is not or only insufficiently supported by the computer-based system. Although there are efforts to improve such a system through automatic reporting, however, in previous systems, the error rate is too high and/or the operation of the system too complicated. This application proposes to provide text prediction to a user on the display device. The text prediction is based on prior analyzing the image content of a medical image at is displayed to the user at least when the user activates a text field shown on the display device via the input unit. The displayed text prediction is selected from a pre-defined set of text modules that are associated to the analysis result.

Abstract: An ester mixture of trialkyl esters of cyclohexane-1,2,4-tricarboxylates having isomeric pentyl radicals in which more than 5 mol % of the isomeric pentyl radicals are branched.

Abstract: A system SY for determining a position of an OCT or IVUS catheter CA in a vasculature VA. The system SY includes a map-providing unit MPU, a data-providing unit DPU, and a comparator unit COMP. The map-providing unit is configured to provide a reference map SOM including reference measurement data at each of a plurality of positions P1 . . . k of the OCT or IVUS catheter CA in the vasculature VA. The data-providing unit DPU is configured to provide actual measurement data from an actual position in the vasculature VA. The comparator unit COMP is configured to determine from the plurality of positions P1 . . . k of the OCT or IVUS catheter in the vasculature, a position Pn?1 . . . k that corresponds to the actual position in the vasculature, based on a comparison of the actual measurement data and the reference measurement data. The reference measurement data and the actual measurement data are either i) OCT data or ii) IVUS data.

Abstract: A tracking system for tracking a marker device for being attached to a medical device is provided, whereby the marker device includes a sensing unit comprising a magnetic object which may be excited by an external magnetic or electromagnetic excitation field into a mechanical oscillation of the magnetic object, and the tracking system comprises a field generator for generating a predetermined magnetic or electromagnetic excitation field for inducing mechanical oscillations of the magnetic object, a transducer for transducing a magnetic or electromagnetic field generated by the induced mechanical oscillations of the magnetic object into one or more electrical response signals, and a position determination unit for determining the position of the marker device on the basis of the one or more electrical response signals.

Abstract: The invention relates to a marker device and a tracking system for tracking the marker device, wherein the marker device comprises a rotationally oscillatable magnetic object and wherein the rotational oscillation is excitable by an external magnetic field, i.e. a magnetic field which is generated by a magnetic field providing unit 20, 31 that is located outside of the marker device. The rotational oscillation of the magnetic object induces a current in coils, wherein based on these induced currents the position and optionally also the orientation of the marker device is determined. This wireless kind of tracking can be carried out with relatively small marker devices, which can be placed, for instance, in a guidewire, the marker devices can be read out over a relatively large distance and it is possible to use a single marker device for six degrees of freedom localization.

Abstract: A medical image annotation system for analyzing a medical image. A plurality of image annotation tools are provided by the image annotation system, each of which is configured to perform, for one or more regions of interest of the medical image, at least a portion of an annotation. A recording module of the image annotation system is configured to record, for each of the regions of interest, interactions which are performed using the image annotation tools. The image annotation system is configured to compute an image annotation complexity metric for each of the regions of interest, based on the recorded interactions. Further, a presentation of the annotation tools by the user interface is indicative of an order, wherein the order is changed in response to the region of interest from which the user input is currently received.

Abstract: The present invention relates to a device (2) for determining an optimal placement of a pedicle screw (4), comprising a processing unit (14), wherein the processing unit is configured to receive a model data set representing a model surface (22) of a human vertebra model (18) and a pedicle screw model (30) being optimally placed in a span of a pedicle section (28) of the model surface, wherein the processing unit is configured to receive 5 image data representing a surface image (26) of at least one human vertebra (6), GO and wherein the processing unit is configured to adapt the model data set for each of a number of the at least one human vertebra, such that an adapted model data set representing a correspondingly adapted model surface (36), which fits to the surface image of the respective human vertebra, is provided for each of the number of the at least one human vertebra, wherein each of the 10 adapted model data sets also represents a correspondingly adapted pedicle screw model (38).

Abstract: An apparatus for assessing a hemodynamic property in a coronary vasculature and a corresponding method are provided in which diagnostic data of a vessel of interest is used to identify a first and second measurement position at which a first and a second value for a first hemodynamic property may be obtained whereby these first and second values are suitable to derive at least one diagnostic parameter indicative of a second hemodynamic 5 property that cannot or should not be measured directly.

Abstract: A computed tomography imaging system (102) includes an X-ray radiation source (110) configured to emit X-ray radiation that traverses an examination region (108) and an X-ray radiation sensitive detector array (112) configured to detect X-ray radiation traversing the examination region and generate a view of line integrals. The imaging system further includes a subject support table top (118) configured to translate in the examination region for a scan based on at least one scan parameter. The imaging system further includes an operator console (122), which includes a processor (128) and computer readable storage medium (130) with a scan parameter adapter module (132). The processor is configured to execute instructions of the scan parameter adapter module, which causes the processor to determine a contrast agent concentration from the view of line integrals and adjust the at least one scan parameter based on the determined concentration.