Abstract: The invention relates to a catheter for removing tissue from a hollow organ, comprising a lumen provided in the catheter shell for supplying to the nozzle-type opening a fluid used for removal of the tissue, via which the fluid is emitted into the area of tissue adjacent to the catheter tip via the opening provided, with an integrated image recording device being provided in the area of the catheter tip of which the recording area is directed onto the area of tissue adjacent to the outlet opening. Inventively a stent is provided in the area of the catheter tip, which can be expanded to set it via a balloon located underneath it inflatable via a further lumen.

Abstract: The present invention relates to a method and a device for recording X-ray images by means of a robotically controlled C-arm system which includes an image recording system (9, 10) that can be rotated in a recording plane around a turning center (17) by means of a C-arm (7) and with which, through rotating of the C-arm (7), a plurality of radioscopic images of a region (14) of interest in an object (13) positioned on an object positioning facility (15) are recorded at different rotation angles, from which images one or more cross-sectional images or a three-dimensional image of a region (14) in the object can be reconstructed. With the method, the C-arm (7) is compliantly repositioned in a collision-free manner in synchronism with the rotation such that the region (14) of interest in an object will, at least at each rotation angle at which image recording takes place, be located within a cone beam (16) of an X-ray bundle of the image recording system (9, 10).

Abstract: To avoid manual adjustments, the invention relates to a method for displacing a superimposed measuring surface on a sensor surface of an x-ray detector in an x-ray system, with an x-ray source and the x-ray detector forming a recording system and being at a fixed distance from one another, with the recording system being moveable in a three-dimensional manner relative to an object to be examined, comprising: the superimposed measuring surface is displaced on the sensor surface of the x-ray detector by a first distance in a first direction; and the recording system is moved by a second distance in parallel with the first distance in a second direction, which is opposite to the first direction, whereby after implementing one of the two steps, the other step is respectively automatically implemented such that a previously superimposed examination area of the object remains superimposed on the displaced measuring surface.

Abstract: To guarantee the ability to create stereo image pairs in real time, the invention relates a method for creating stereo image pairs of an object under examination with an x-ray system, featuring a recording unit comprising an x-ray detector and an x-ray source, with said recording unit being carried by an industrial robot and being able to be rotated around a center of rotation or around an axis of rotation is provided, in which a first x-ray image of the object under examination is recorded at a first angle of rotation of the recording unit around a center of rotation or an axis of rotation and subsequently a second x-ray image of the object under examination is recorded at a second angle of rotation of the recording unit around the center of rotation or the axis of rotation.

Abstract: The invention relates to a method and to a device for visualizing organs, in which a respective functional and anatomical magnetic resonance tomography image record of an organ are created, the anatomical magnetic resonance tomography image record containing visible landmarks and being registered with the functional magnetic resonance tomography image record. X-ray images of the organ are also taken which are then registered with the anatomical magnetic resonance tomography image record by using landmarks. The X-ray images and the images of the functional magnetic resonance tomography image record, which are registered with each other, can subsequently be displayed in a superimposed manner.

Abstract: An X-ray system has two X-ray arrays each having an X-ray source and an X-ray detector. The X-ray arrays can be swiveled around a common swiveling axis within whose range an object is locatable. The X-ray detectors are situated opposite the X-ray sources with respect to the swiveling axis. They are embodied as flat-panel detectors so that an irradiating of the object in a first or, as the case may be, second irradiation plane can be registered by them. The irradiation planes contain the swiveling axis and run perpendicular to connecting lines linking the X-ray sources to the X-ray detectors. The area contents of the irradiation planes are mutually different. When the X-ray arrays are positioned correspondingly, the first irradiation plane will completely cover the second irradiation plane.

Abstract: The invention relates to a method for registering intra-operative image data set with pre-operative 3D image data set, comprising: spatial calibrating an optical 3D sensor system with an intra-operative imaging modality, intra-operative detecting the surface of an examination area of interest with the 3D sensor system to produce an intra-operative surface mask, intra-operative recording the area of interest for examination with the intra-operative modality at least partly containing the intra-operative surface mask to obtain an intra-operative image data set, computing the same surface from the pre-operative 3D image data set containing the detected surface to obtain a pre-operative surface mask, registering the intra-operative and pre-operative surface mask with each other, determining a mapping specification between pre-operative 3D image data set and intra-operative image data set based on the calibration and the registration, and overlaying the intra-operative image data set with the pre-operative 3D data

Abstract: The invention is directed to a method and a device for separate three-dimensional presentation of arteries and/or veins of a vessel system in a part of the body of a vertebrate by a rotation computer tomography. A masking run of the tomograph is undertaken without contrast media around the part of the body. Then two filling runs with contrast media are executed, with the venous phase of vessel contrasting during the first filling run occurring during the arterial phase of vessel contrasting of the second filling run and vice-versa. The data from the first and second filling run is combined into data sets from the arterial or the venous phases of the vessel contrasting of the filling runs. The data of the masking run is subtracted from the combined data sets to obtain final data sets for a three-dimensional presentation of the arterial or the venous vessel system.

Abstract: The invention relates to a system for performing an interventional therapy of a patient comprising a display unit. The display unit is assigned as a single large format flat screen display, on which information relating to monitoring of the medical intervention, patient information and information to control the system are able to be presented.

Abstract: In a method and apparatus for optically-based acquisition of slice images from a vessel of a subject, and for combining the slice images to provide an intuitively recognizable visualization of a pathology in the vessel, slice images of the vessel are acquired during pullback of an optical probe of the optically-based slice imaging system, while simultaneously acquiring an ECG signal from the subject. The slice images and the ECG signal are registered, and slice images acquired at a selected cardiac phase are combined into a scene. The slice images in the scene are subjected to a first data transformation to shift the vessel midpoint in each slice image to the image center of each slice image. After the first data transformation, the slice images in the scene are subjected to a second data transformation to produce the visualization. The second transformation, for example, can be a curved planar reformation to allow the vessel to be shown in longitudinal section.

Abstract: A system and method enhance the workflow of an electrophysiologist. A workstation may be interconnected with a number of medical devices associated with an EP lab. A user may enter patient registration data using the workstation that is subsequently sent to the medical devices. The medical devices may each perform a different electrophysiology related function and generate electrophysiology related data. The medical devices may send the data generated to the workstation. The workstation may perform operations on the data received to provide integrated results. The integrated results may include updating previously stored patient data and images or combining the data received to provide more detailed information and/or enhanced images. The integrated results may include displaying images and data from a number of medical devices on a display screen simultaneously. The workstation may generate a unified patient report based upon the data received from the medical devices.

Abstract: A method for determining the dispersion behavior of a contrast agent in the blood vessel system of an object for a rotational angiography procedure, comprising: introducing the contrast agent into the blood vessel system and determining the time t1 of said introduction, producing preparatory images of at least a part of the vascular system in order to determine the time curve for the uptake of the contrast agent in the arterial vascular system and, determining a time t2 for recording a rotational angiography image of an arterial phase, producing preparatory images of at least a part of the vascular system in order to determine the time curve for the uptake of the contrast agent in the venous vascular system and, determining a time t3 for recording a rotational angiography image of a venous phase, and determining the differences in the times t1, t2 and t3 for the rotational angiography.

Abstract: In a method and device for, generating computed tomography images of a periodically moving organ of an organism, the organ having regions with rest phases and movement phases and the rest phases of different regions ensuing at different points in time, an x-ray source is moved around the body of the organism to be examined to generate projections serving for the image generation during at least one rotation of the x-ray source around the subject to be examined and during a duration that is at least equal to a period of the motion. The projection data are analyzed as to whether the data were acquired during a rest phase or movement phase of a respective region of interest of the organ, and an image of the organ is reconstructed using only data acquired during a rest phase of a respective region of interest of the organ.

Abstract: A method for operating a computed tomograph device is provided by which volume data pertaining to a volume area of a test object can be recorded. A marking for identifying a reconstruction area to be reconstructed is faded into an x-ray shadow image containing the volume area, wherein a split image of the beginning and/or end of the reconstruction area is reconstructed from the volume data in order to verify the position of the reconstruction area.

Abstract: An x-ray diagnostic apparatus has an x-ray radiator, a control device connected thereto, a radiation detector and a patient-positioning table. The x-ray diagnostic apparatus has a device that calculates the BMI (body mass index) of the patient to be examined from detection of the body length and the weight. The device is connected with the control device to influence the parameters associated with obtaining an x-ray image.

Abstract: An X-ray system has two X-ray arrays each having an X-ray source and an X-ray detector. The X-ray arrays can be swiveled around a common swiveling axis within whose range an object is locatable. The X-ray detectors are situated opposite the X-ray sources with respect to the swiveling axis. They are embodied as flat-panel detectors so that an irradiating of the object in a first or, as the case may be, second irradiation plane can be registered by them. The irradiation planes contain the swiveling axis and run perpendicular to connecting lines linking the X-ray sources to the X-ray detectors. The area contents of the irradiation planes are mutually different. When the X-ray arrays are positioned correspondingly, the first irradiation plane will completely cover the second irradiation plane.

Abstract: The invention relates to an angiographic x-ray diagnostic device for rotation angiography with an x-ray emitter which can be moved on a circular path about a patient located on a patient support table, with an image detector unit which can moved on the circular path facing the x-ray emitter, with a digital image system for recording a plurality of projection images by means of rotation angiography, with a device for image processing, by means of which the projection images are reconstructed into a 3D volume image, and with a device for correcting physical effects and/or inadequacies in the recording system such as truncation correction, scatter correction, ring artifact correction, correction of the beam hardening and/or of the low frequency drop for the soft tissue display of projection images and the 3D volume images resulting therefrom.

Abstract: Guidewire for catheters which can be inserted into cavities, preferably coronary vessels of humans or animals, said guidewire being provided with electromagnetic receive or transmit locate to position its position in conjunction with corresponding external electromagnetic transmit or receive antennas, as well as with signal lines guiding the processing unit controlling the transmit antennas or transmit coils.

Abstract: Method for the diagnosis and treatment of aortic aneurysms through representation of the affected area of the aorta by means of an imaging method and measurement of the image in order to produce a made-to-measure stent graft which is introduced into the aorta in the folded state and then expanded, a digital model of the aortic aneurysm being created from the images present as 3D volume data, from which digital model of the aortic aneurysm there is produced by means of iterative customizing software a digital model of the stent graft on the basis of which the stent graft is manufactured.

Abstract: An x-ray diagnostics method is specified, in particular for use in angiography and cardiology, by means of which a particularly good image quality can be achieved in an easily manageable manner for the patient (P) and the medical personnel, at the same time as a comparatively low radiation exposure. Furthermore, a specific x-ray device (1) for implementing the method comprising an x-ray emitter (2), an x-ray detector (3) and a control unit (10) is specified to control the x-ray emitter (2). In this way the control unit (10) is allocated an operating element (15), by means of which a control parameter (S) characterizing the image quality, the detector input dose or the contrast noise ratio can be continuously varied, as a function of which a number of recording parameters (U,I,t,F) are set by means of the control device (10).