Abstract: A stereoscopic imaging device includes at least a first and a second image recording unit configured to record a first and a second original image of an object from different perspectives, wherein the original images differ at least with regard to one item of image information, an image display unit for imaging displayed images, an image processing unit for further processing the original images, and the image processing unit is configured to supplement at least one of the two original images with at least one item of image information from the other original image to generate a displayed image. In addition, a method for generating at least one displayed image that can be imaged on an image display unit is provided.

Abstract: An imaging method for mapping a human or animal tissue area includes generating a plurality of cavitation bubbles in a liquid in the tissue area by ultrasound pulses being irradiated into the tissue area by at least one ultrasound source. A center of a focus area of the irradiated ultrasound pulses is positioned within a first subarea of the tissue area. The first subarea is separated from a second subarea of the tissue area by a tissue boundary, and/or a flow of liquid is present in the first subarea. A spatial distribution and/or movement of the plurality of cavitation bubbles developing in the tissue area on account of a pressure field caused by the irradiated ultrasound pulses is mapped by an imaging modality.

Abstract: According to a computer-implemented method for planning therapeutic ultrasound treatment of a three-dimensional tissue region, a tissue model containing a material parameter relating to deformability and/or elasticity of a corresponding material of the tissue region is provided in spatially resolved and/or directionally resolved form. Based on the tissue model, part of the tissue region is determined as a treatment region, and, depending on the tissue model and the treatment region, a therapeutic plan is generated to change the at least one material parameter. The therapeutic plan includes at least one characterization parameter that characterizes a plurality of lesions with respect to spatial arrangement and/or pose and/or shape and/or at least one configuration parameter of the plurality of lesions for a therapeutic ultrasound apparatus for generating the plurality of lesions.

Abstract: In a computer-implemented method, a three-dimensional medical image of an examination object is created taking into consideration at least one temporally and/or spatially variable cavitation bubble in the examination object. The cavitation bubble is created by at least one ultrasound pulse emitted by an ultrasound system into the examination object. The computer-implemented method comprises: acquiring a multiplicity of projection images of the examination object with a medical imaging system; determining at least one cavitation bubble projection image from the multiplicity of projection images as a function of a synchronization between a medical imaging system and the ultrasound system; determining a multiplicity of corrected projection images; reconstructing the three-dimensional medical image as a function of the multiplicity of corrected projection images; and provisioning the three-dimensional medical image.

Abstract: A method for evaluating image data of a patient showing a target region to be treated with an embolizing agent includes providing a three-dimensional time-resolved image data set of a vascular system portion of the patient. A structural parameter that describes a geometry of at least the vascular system portion and/or a basic information item including dynamic parameters that describe hemodynamics in the vascular system portion is established from the image data set by an analysis algorithm. An embolization information item describing a plurality of embolizing agents that are to be used is provided. An actuation information item describing a suitable composition of the plurality of embolizing agents, for an intervention facility used for carrying out the treatment is established by an establishing algorithm that uses the basic information item and the embolization information item, and the actuation information item is provided to the intervention facility.

Abstract: A model dataset is generated based on first image data. The model dataset and second image data map at least a common part of an examination region at a second detail level. The model dataset and the second image data are pre-aligned at a first detail level below the second detail level based on first features that are mapped at the first detail level in the model dataset and the second image data and/or an acquisition geometry of the second image data. The model dataset and the second image data are registered at the second detail level based on second features that are mapped at the second detail level in the model dataset and the second image data. The second class of features is mappable at the second detail level or above. The registered second image data and/or the registered model dataset is provided.

Abstract: A method for generating a temporary image includes acquiring first data of an examination object, and providing at least one initialization image by applying a first processing function and/or a second processing function to the first data. The first processing function and the second processing function are at least partially different. The at least one initialization image is visualized. Further data of the examination object is acquired. Result data is provided by applying the first processing function to the further data. A result image is provided by applying the second processing function to the further data and/or the result data. The result data is provided before the result image. The temporary image is generated based on the result data and the at least one initialization image. The temporary image is visualized, and the result image is visualized.

Abstract: The disclosure relates to a method for creating a three-dimensional digital subtraction angiography image of a vascular system of a patient. The method includes: providing a first reconstructed three-dimensional filling image which was acquired during at least partial contrast agent filling of the vascular system with a first contrast agent; providing a second reconstructed three-dimensional filling image which was acquired during at least partial contrast agent filling of the vascular system with a second contrast agent; and subtracting the first three-dimensional filling image from the second three-dimensional filling image so that a three-dimensional subtraction angiography image is produced, wherein the first contrast agent and the second contrast agent differ in that one of the two causes increased X-ray absorption and the other causes reduced X-ray absorption relative to a vascular system without contrast agent.

Abstract: A method for navigational support of a person performing a resection on a patient following extraction of a resectate includes recording a first surface data set of the resectate using an ex vivo scan appliance, and determining a second surface data set of the extraction region using a recording instrument. The second surface data set covers at least one part of the remaining tissue surface of the extraction region of the resectate in the patient. The method also includes registering the first surface data set of the resectate with the second surface data set of the extraction region based on corresponding surface features of the resectate and the remaining tissue surface in the extraction region, and performing at least one support measure that supports the navigation in the extraction region relative to the resectate, using the registration.

Abstract: A method for supporting a user, a corresponding computer program product, a corresponding data medium, and a corresponding imaging system are provided. According to the method, a three-dimensional (3D) data set depicting a target object is provided, and at least one two-dimensional (2D) image of the target object is automatically acquired. The 2D image and the 3D data set are automatically registered with each other by a 2D/3D registration. A spatial direction in which the 2D/3D registration exhibits greatest uncertainty is automatically specified. A signal for aligning an instrument that is provided for the purpose of examining the target object is then automatically generated and output as a function of the specified spatial direction in order to support the user.

Abstract: A method for providing a therapy plan includes receiving a dataset. The dataset maps an examination object including a first tissue area at at least one first timepoint. The first tissue area is identified in the dataset as a first state. A second state is specified for the first tissue area. A therapy plan for a therapy apparatus is determined by application of a model to input data. A change in the first tissue area between the at least one first timepoint and at least one second timepoint is createable by the control of the therapy apparatus in accordance with the therapy plan. The model maps the first state to the second state and/or the second state to the first state. The therapy plan is provided as output data of the model.

Abstract: A microscopy method is for producing an electronic image of an object, wherein the object is imaged with an adjustable optical imaging scale on an image detector. The method includes: selecting a parameter for the electronic image, wherein the parameter can be influenced by the optical imaging scale and differs from the image field dimensions, and setting a setpoint value range for the parameter, setting a total imaging scale for the electronic image, wherein adjusting or controlling the parameter of the electronic image is implemented such that, at the same time, the parameter of the electronic image lies in the specified setpoint value range with a tolerance and the set total imaging scale is obtained, wherein the optical imaging scale forms a basis for a manipulated variable of the adjustment or closed-loop control and a digital image magnification is carried out on the basis of the set total imaging scale.

Abstract: A representation apparatus for displaying a graphical representation of an augmented reality includes a capture unit, a first display unit, and a processing unit. The first display unit is at least partially transparent. The capture unit is configured to capture a relative positioning of the first display unit relative to a representation area of a second display unit. The processing unit is configured to determine an observation geometry between the first display unit and the representation area of the second display unit based on the relative positioning, receive a dataset, generate the augmented reality based on the dataset, and provide the graphical representation of the augmented reality via virtual mapping of the augmented reality onto the representation area along the observation geometry. The first display unit displays the graphical representation of the augmented reality in at least partial overlaying with the representation area of the second display unit.

Abstract: A path preparation system for preparing a path for a device. The path preparation system includes an ultrasound transmitter and a tracking system. The tracking system is configured to determine a current position of the device on the path. The ultrasound transmitter is configured to focus an ultrasound wave onto a focus position that lies in front of the device in the direction of the path, in spatial relation to the current position of the device.

Abstract: A microscope includes an illumination unit for illuminating a region of a specimen to generate an illuminated region, an imaging optical unit for magnified imaging of the illuminated region, an image sensor disposed downstream of the imaging optical unit for capturing the magnified image of the illuminated region, a camera for recording an overview region of the specimen without using the imaging optical unit and a control unit for controlling the image sensor and the camera. The overview region includes a part of the illuminated region and a non-illuminated region of the specimen. The control unit actuates the camera to make a recording of the overview region. The control unit actuates the image sensor to cause a recordation of the magnified image of the illuminated region. The control unit generates an overview image based on the recording of the overview region and the recording of the magnified image.

Abstract: A system for visualizing a three-dimensional target area of an object with a measuring device which determines a distance of a surgical instrument in a target area with respect to a predetermined structure in the target area, a display unit for representing the views, and a control unit. The control unit controls the display unit such that the display unit is in a first display mode when a determined distance is greater than a predetermined first limit value, and switches from the first display mode into a second display mode when the determined distance changes from being greater than a predetermined second limit value, which is smaller than or equal to the predetermined first limit value, to smaller than the predetermined second limit value.

Abstract: According to a method for virtual enhancement of a camera image, a camera image depicting an object is generated. A geometric description of a virtual auxiliary object as a surface in space and a pose of the auxiliary object with respect to the object are specified, wherein the auxiliary object separates part of the object from the rest of the object. An enhanced image is generated based on a superimposition of the camera image with a representation of the auxiliary object depending on the geometric description and the pose of the auxiliary object by a computing unit and displayed on a display device. The enhanced image is generated and displayed in such a way that the auxiliary object has a spatially variable transparency.

Abstract: A pressure control system for providing an interventional pressure to be applied to a defined area of a patient during a pre-interventional imaging process with an imaging system is provided. Therein, the interventional pressure corresponds to an interventional pressure applied to the defined area of the patient during an intervention via a medical technology device. The pressure control system includes a pressure plate, a force module, and a positioning apparatus. Therein, the force module is configured to apply a force on the pressure plate. Therein, the force on the pressure plate generates the interventional pressure. Therein, the positioning apparatus is configured to position the pressure plate and the force module relative to the patient.

Abstract: An improved guide for a medical needle is disclosed herein. An aligning element for aligning a needle guide, which is equipped for longitudinally guiding a medical needle, includes a connecting element for arranging the aligning element on the needle guide, and a light-guiding element for a predetermined diffusion of light. The light-guiding element only generates a predetermined light pattern relative to the diffusion of light in a pose predetermined by the geometry of the apparatus. Such an aligning element may be used in a treatment arrangement for longitudinally guiding a needle and in a method for aligning a needle guide.

Abstract: An imaging device and a method for generating a motion-compensated image or video are provided. The imaging device has a data acquisition facility for acquiring image data of a target object. The imaging device is configured to acquire, using a registration facility, a posture of an inertial measurement unit and, on the basis thereof, to carry out a registration between coordinate systems of the inertial measurement unit and the image data. The imaging device is further configured to acquire motion data from the inertial measurement unit arranged on the target object and, by processing the motion data, to generate the motion-compensated image or video.