Abstract: An optical microscopy device for detecting cellular components of a sample, includes: a light source apparatus for emitting a light beam; a specimen carrier, which can be positioned in the beam path of the light beam, for receiving the sample; an objective lens which is provided downstream of the specimen carrier in the beam path of the light beam; and a camera chip which has pixels of a predefined pixel size, the camera chip being designed to detect the light beam after it passes through the objective lens and being designed to generate a camera image, a field number in the intermediate image downstream of the objective lens being greater than 25 millimeters.

Abstract: Techniques are described for controlling a magnetic resonance imaging system to facilitate an improvement in Simultaneous Multislice Imaging, especially concerning a compensation of eddy currents. This is achieved by simultaneously measuring at least two slices by the magnetic resonance imaging system while applying a pulse sequence. In the course of the pulse sequence for measuring k-space lines, a set of in-plane encoding signals (that are typically gradients) are applied with a set of Hadamard encoding signals in an interleaved scheme.

Abstract: A magnetic resonance unit includes a shim coil apparatus and a gradient coil apparatus. The shim coil apparatus is configured to compensate for basic magnetic field inhomogeneities of the first order in an examination region of the magnetic resonance unit. The shim coil apparatus includes at least one shim coil element. The gradient coil apparatus is arranged in a gradient coil layer. In addition to the gradient coil apparatus, at least one part of the at least one shim coil element is arranged in the gradient coil layer.

Abstract: A medical X-ray system and a method perform radiological examinations of patients. In order to allow particularly efficient operation of the medial X-ray device, a data processing system of the X-ray system processes data processing processes in parallel and has multiple user interfaces that are used to provide a data input and/or data output option for respective different data processing processes at the same time.

Abstract: A coil arrangement is for transmitting high frequency radiation. In an embodiment, the coil arrangement includes a transmission coil with a planar design and a passive, tubular part-body coil. The part-body coil is designed to radially enclose an examination volume relative to a direction. The examination volume includes a part of a patient's body. Furthermore, the part-body coil and the transmission coil are galvanically decoupled, and at the same time the part-body coil and the transmission coil are inductively coupled. The transmission coil is designed, by way of an emitted first high frequency radiation, to excite the part-body coil inductively, causing an enforced electromagnetic oscillation. The part-body coil emits second high frequency radiation in the event of an enforced electromagnetic oscillation. The coil arrangement of an embodiment can be used in a magnetic resonance unit without an integrated high frequency unit.

Abstract: A system and method generate a synthetic image with switchable image contrast components for a biological object. The method includes: a) using first and second quantitative MRI acquisition techniques for measuring a value of first or second quantitative parameters Q1, Q2 for the biological object and generating first and second quantitative maps, the first and second quantitative MRI acquisition techniques generate first and second contrast-weighted images; b) using the first and second quantitative maps, and the first and second contrast weighted images as inputs in a model configured for generating a synthetic image M with arbitrary sequence parameters P1, P2, P3, according to: M=|Cif(Q1,Q2,P1,P2,P3)| wherein Ci with i=1, 2, are contrast components for the generation of the synthetic image M coming from respectively the first (i=1) and second (i=2) contrast-weighted images (i=1) and f is a function of Q1, Q2, P1, P2 and P3; and c) displaying the synthetic image M.

Abstract: A method of deriving one or more medical scene model characteristics for use by one or more software applications is disclosed. The method includes receiving one or more sensor data streams. Each sensor data stream of the one or more sensor data steams includes position information relating to a medical scene. A medical scene model including a three-dimensional representation of a state of the medical scene is dynamically updated based on the one or more sensor data streams. Based on the medical scene model, the one or more medical scene model characteristics are derived.

Abstract: A method is for determining a further data block. An embodiment of the method includes receiving a further timestamp transaction via a first interface, including a hash of a dataset and a further verification time; receiving a distributed ledger via the first interface, including data blocks; determining via a first computation unit, a first time by querying a time server; performing via the first computation unit, a first check based on the first time and the further verification time; and determining via the first computation unit, upon first check being positive, the further data block based on the distributed ledger, the further data block including the further timestamp transaction. A block creation system is also included in another embodiment, for determining a further data block, the system including a first interface and first computation unit.

Abstract: A data display includes a grid including: a first column configured to display particular data values of a first data parameter; a plurality of rows, each row configured to display a particular data value of the first data parameter in the first column; and a second column including a vertically-extending graph, wherein the particular data value in one or more of the plurality of rows is plotted as a data point horizontally aligned with a corresponding row on the vertically-extending graph, wherein a plurality of data points display moving data values of the first data parameter.

Abstract: A method is for compression of breast tissue arranged between a paddle and a stage of a compression system for a mammography examination. The method includes generating a first compression of the breast tissue by building up a reference compression force by adjusting the paddle relative to the stage; comparing the first compression with a target compression; and adjusting the first compression to the target compression, the adjusting including exertion of a manual force on the paddle.

Abstract: A method for reconstructing a MRI image may include: receiving MRI measurement data sets f1 to fN, each data set being acquired from an examination object based on a different MRI protocol of an MRI system; receiving MRI images u10 to uN0 corresponding to the MRI measurement data sets f1 to fN; performing one or more translation and rotation transformations on the MRI images u10 to uN0; applying one or more trained functions: to the transformed MRI images u10 to uN0, using a neural network, and to the MRI images u10 to uN0, using a forward-sampling operator; performing one or more inverse translation and rotation transformations on an output of the neural network; and generating at least one output MRI image uT based on an output of the forward-sampling operator, the inversely transformed output of the neural network, and the input MRI images u10 to uN0.

Abstract: The present disclosure relates to an automatic method for selecting imaging parameters for imaging methods, to a corresponding imaging method, and to a corresponding imaging apparatus comprising a detection algorithm and a selection algorithm. A ranking of at least one qualifying value for potential clinical indications is created. The ranking is based on image data. The ranking is created by means of the detection algorithm. In addition, at least one imaging parameter is selected. The at least one imaging parameter is suitable for producing image data that facilitates a maximum change in the qualifying values in the ranking. The at least one imaging parameter is selected by means of the selection algorithm.

Abstract: Operating a medical image recording device in the context of an image recording routine for a patient is provided. The image recording routine serves an image recording purpose. The image recording device is controlled based on operating parameters implemented by a controller of the image recording device. The operating parameters are identified completely automatically by an identification algorithm from input data describing at least the patient in the form of a patient model and/or the image recording purpose, and from a registration of the patient with a coordinates system of the image recording device. The operating parameters are used to control the image recording device. An examination region that is to be recorded for the patient and the image recording purpose are derived based on the registration.

Abstract: In a method and apparatus for generating a magnetic resonance data record, at least two excitation cycles are executed, wherein, in each excitation cycle, at least one magnetic resonance signal is recorded, using different phases with a first radio-frequency pulse in two consecutive excitation cycles, with at least one dephasing gradient being applied in an excitation cycle.

Abstract: A method includes receiving a first patient model of the patient, the first patient model including a first image dataset of the patient, the first image dataset being coordinated relative to a first coordinate system; receiving a second image dataset of the patient, the second image dataset being based on a medical imaging apparatus and being coordinated relative to a second coordinate system; determining a transformation function to transfer the second coordinate system into the first coordinate system; determining a transformed second image dataset based on the second image dataset and the transformation function; and providing a second patient model of the patient, the second patient model including the modified first image dataset.

Abstract: A method for generating a movement signal of a body part, of which at least a portion is undergoing a cardiac movement, includes providing a pilot tone signal acquired from the body part by a magnetic resonance receiver coil arrangement. A demixing matrix is calculated from a calibration portion of the Pilot Tone signal using an independent component analysis algorithm. The independent component corresponding to the cardiac movement is selected. The demixing matrix is applied to further portions of the pilot tone signal to obtain a movement signal representing the cardiac movement. An, adaptive stochastic, or model-based filter is applied to the signal representing the cardiac movement, to obtain a filtered movement signal.

Abstract: A method and system are for identification of at least one medical reference image. An embodiment of the method includes providing a medical representation image based on a current examination image depicting a body part of a first patient; defining a region of interest in the medical representation image; generating a feature signature, at least for the region of interest; comparing the medical representation image with a plurality of medical images of at least one second patient stored in a medical image database, based on the feature signature generated; and identifying at least one medical image in the medical image database as the at least one medical reference image, the at least one medical reference image providing a similarity degree to the medical representation image above a threshold. In an embodiment, the generating is performed using a trained machine-learning algorithm.

Abstract: The disclosure relates to a medical image acquisition device with a pilot tone transmitter and a pilot tone receiver and to a method for operating the same. The pilot tone transmitter is configured to emit an electromagnetic radio frequency signal into a patient. The pilot tone receiver is configured to receive the radio frequency signal and to decode an item of information relating to a physiological process in the patient. The pilot tone transmitter has a modulator configured to modulate the electromagnetic radio frequency signal with a code and the pilot tone receiver is configured to select the modulated radio frequency signal using the encoding from a plurality of signals.

Abstract: A method is disclosed for adjusting a collimator of an X-ray source. In an embodiment, the method includes detecting an arrangement of an X-ray detector with respect to the X-ray source; automatically determining an adjustment for the collimator based on the detected position of the X-ray detector with respect to the X-ray source; and automatically adjusting the collimator based on the determined adjustment for the collimator. An X-ray device and computer readable medium are also disclosed.

Abstract: In a method for controlling a magnetic resonance imaging system as part of functional magnetic resonance imaging, a main magnetic field B0 is provided having a field strength of at most 1.4 tesla at a main field magnet system (4) of the magnetic resonance imaging system (1); and a measurement is performed as part of functional magnetic resonance imaging, wherein a measurement sequence (MS) is applied that has a longer echo time TE (e.g. longer than 100 ms).