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

Abstract: In a method, control computer and magnetic resonance (MR) apparatus for generating MR recordings of an examination object, first magnetic MR data are acquired in a first recording region inside a homogeneity volume of the scanner of the MR apparatus, and second MR raw data are acquired in a second recording region outside the homogeneity volume. First image data are reconstructed on the basis of the first MR raw data and second image data are reconstructed on the basis of the second MR raw data. The first image data and the second image data are combined to form combination image data, which cover a region that extends in the first recording region and in the second recording region.

Abstract: In a method for operating a medical imaging apparatus in which an examination object is situated, information is detected indicating that at least one image of the examination object is to be created by the medical device. Next, a selection of an examination sequence is made from multiple stored, predefined examination sequences, and subsequently a detection occurs as to the step in the selected examination sequence at which the medical device is currently operating. Thereafter, a specification of the next step to be undertaken from the selected examination sequence is presented to a person operating the medical imaging apparatus.

Abstract: A local coil matrix and a method are provided for image acquisition with a magnetic resonance tomography unit. The local coil matrix includes a plurality of coil windings. In magnetic resonance imaging, a predetermined region of a patient arranged in the vicinity of the local coil with selectable differently-sized sensitivity ranges is acquired and/or excited. An image is reconstructed from the magnetic resonance signals acquired with the local coil matrix.

Abstract: The invention discloses a method of protecting data exchanged between a service user and a service provider, which method comprises the steps of encoding data by converting meaningful content of the data into meaningless content to obtain encoded upload data for sending to the service provider; processing the encoded upload data at the service provider to obtain encoded download data for sending to the service user; and decoding the encoded download data by converting meaningless content of the encoded download data into meaningful content of download data.

Abstract: In a method and control device for magnetic resonance imaging, raw magnetic resonance data are acquired from one region of an examination object by a number of magnetic resonance receiving antennas of a magnetic resonance system. Calibration values are determined that represent the sensitivity of at least one of the magnetic resonance receiving antennas. An image reconstruction is performed on the basis of the raw magnetic resonance data, taking into consideration the determined calibration values. The determination of the calibration values is frequency-dependent.

Abstract: In a method and apparatus for recording magnetic resonance (MR) signals from an examination object, raw data space is filled with MR signals in raw data lines. Movement information of the examination object is detected during recording of the MR signals and the movement information is grouped into different movement phases of the examination object. A temporally randomly distributed sequence of the recording of the raw data lines is determined, with which at least one predetermined portion of the raw data space is filled MR signals. The MR signals are acquired in the determined temporally randomly distributed sequence of the raw data lines in the predetermined portion. Each recorded raw data line is allocated to one of the movement phases of the examination object.

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

Abstract: In a method and magnetic resonance apparatus for determining absolute three-dimensional reception sensitivity maps for reception coils in a scanner of the magnetic resonance, in particular a scanner having a basic magnetic field strength of at least 3 T, in the presence of a subject under examination that affects the reception sensitivity, spatially resolved subject parameters are determined, which specify electromagnetic properties of the subject under examination, and coil-geometry parameters are determined, which specify the spatial arrangement of the reception coils in the magnetic resonance scanner. The reception sensitivity maps are determined by simulation in a model specified by the subject parameters and the coil-geometry parameters.

Abstract: The embodiments relate to methods and an apparatus for measuring a magnetic field in a magnetic resonance tomography device with at least one field probe, wherein at least one generated delete signal may be applied to reduce a residual magnetization in the at least one field probe.

Abstract: A method for detecting measurement signals during a medical imaging procedure executed by a medical device includes detecting measurement signals with a set of sensor nodes, which are integrated in a component of the medical imaging device, wherein each sensor node (SN) operates autonomously and wirelessly, and locally preparing the detected signals for being transmitted according to an interference-free instruction protocol, to a gateway.

Abstract: A connecting lead for a receiving antenna of a magnetic resonance tomograph, to a system made up of a magnetic resonance tomograph and to a receiving antenna is provided. The connecting lead includes a resonant contactless power coupler. The receiving antenna is magnetically resonantly coupled by the connecting lead to the magnetic resonance tomograph. The magnetic resonance tomograph includes an alternating current generator that may be connected to the connecting lead and is configured to supply the active amplifier element of the receiving antenna with energy.

Abstract: In a method and apparatus for generating image data (other than magnetic resonance (MR) data) in an examination chamber of an MR scanner, an image generating unit generates the image data, a first RF-shielding portion completely encloses the image generating unit except for at least one opening for exchanging image data with the surrounding environment, and a horn-shaped second RF shielding portion is arranged around the at least one opening and is electrically connected with the first RF shielding portion such that the at least one opening opens into the horn-shaped second RF shielding portion.

Abstract: In a method and magnetic resonance apparatus for creating an optimizing pulse sequence for selective RF excitation in the magnetic resonance apparatus, the pulse sequence has an excitation event block, which has an RF pulse and a selection gradient. Nuclear spins are excited in a predefined volume section in a predetermined manner by this excitation event block, which is designed to so that the spins inside the volume section have the same phase position after the excitation event block of the pulse sequence. The selection gradient does not have a polarity reversal.

Abstract: The embodiments relate to a device for positioning an examination object when using an imaging system. The device includes a positioning device for the purpose of positioning the examination object for data capture by the imaging system, and at least one sensor fixed to the positioning device. The at least one sensor is configured to capture a movement of the examination object relative to the positioning device. The device is configured to provide the movement to the imaging system.

Abstract: A method for positioning at least one local coil for recording magnetic resonance data with a magnetic resonance device, wherein at least one surface data record, which describes the surface of the patient to be recorded who is already positioned for recording on a patient couch of the magnetic resonance device, is measured, the surface characteristic of the patient is extracted from the surface data record and at least one position and/or shape of at least one of the at least one local coil is chosen as a function of the surface characteristic in such a way that there is a pre-determined distance between the surface of the patient and the surface of the local coil is provided.

Abstract: A magnetic resonance (MR) body coil is provided with a supporting surface for support on an object to be examined and an outer side remote from the support side, wherein at least one light source is fastened to the outer side at a predefined position. A magnetic resonance system has at least one MR body coil and an image acquisition device for acquiring light, which may be radiated by the at least one light source of the at least one MR body coil. A method is used for operating a MR body coil, wherein at least one light source radiates light for positioning the MR body coil. A further method is used for positioning a MR body coil on an object to be examined, wherein at least one light source fastened to a MR body coil radiates light, the light is acquired by an image acquisition device, which includes at least one camera, and at least one position of the at least one light source is determined by the acquisition.

Abstract: A magnetic resonance (MR) apparatus for implementing an MR examination of a patient, has an MR scanner with a gradient coil arrangement and a music network having at least two communicating instrument devices, synchronized by synchronization signals sent via the music network, so as to generate a music piece that is to be emitted as an output to the patient. One of the instrument devices is the magnetic resonance scanner that, as an interface to the music network, has a synchronization unit designed to derive the synchronization signals for the music network from sequence control signals received from the control computer of the magnetic resonance scanner, at least for the gradient coil arrangement.

Abstract: The present embodiments relate to an audio unit for reducing an awareness of a noise produced by a magnetic resonance machine, to an audio system, to a magnetic resonance system, and to a method for operating an audio unit. The audio unit includes a vibration sensor unit, a control unit (e.g., a microcontroller), and at least one loudspeaker. The vibration sensor unit may be configured to detect signals transmitted by bone conduction, and may be configured to transmit the signals to the control unit. The control unit may be configured to control the at least one loudspeaker based on the transmitted signals.

Abstract: In a method for enabling an interaction between an assistance device and a medical apparatus and/or an operator and/or a patient, input information are acquired by an input interface of the assistance device, the input information including information of the medical apparatus and/or of the operator and/or of the patient. The acquired input information is transferred from the input interface to a computer. The input information are processed by the computing unit so as to generate an interaction instruction on the basis of the processed input information. The generated interaction instruction is transferred from the computing unit to an interaction interface of the assistance device and an interaction with an environment of the assistance device is performed on the basis of the interaction instruction via the interaction interface.