Abstract: In a method to determine a background phase in phase values of a phase image data set that is acquired from an examination subject, wherein the background phase is determined in a partial region of the phase image data set, the phase image data set of the examination subject is acquired, and a substantially closed, planar contour is established in the phase image data set around the partial region, the planar contour having a contour area with a width of at least one pixel of the phase image data set. The phase values in the partial region are determined with the assumption that the spatial curve of the background phase is a harmonic or quasi-harmonic function, the phase values of the pixels in the partial region being determined based on the phase values in the planar contour.

Abstract: A medical imaging facility has a transport device which is able to be moved at least partly in at least one direction. A position detection device has at least one transmit element which detects the position of the transport device and sends out a position measurement beam. The position detection device has at least one detector element and at least one reflector element.

Abstract: A medical imaging equipment has a conveying device that can be moved at least partially in at least one direction. A position-detecting device has at least one transmitting element which detects a position of the conveying device and emits position-measuring radiation. The position-detecting device has at least one detector element. The position-detecting device has at least one semi-transparent reflector element.

Abstract: Device to thermally affect delimited regions of the body of a patient, wherein it possesses at least one heating or cooling means that can be inserted into a blood vessel of the patient or can be attached to a blood vessel of the patient in order to heat or cool the blood in a portion of the blood vessel that leads into or away from a tissue to be treated.

Abstract: A thermal ablation device for introduction of heat or cold into the body of a patient has a first heating or cooling device to heat or cool the tissue to be ablated, as well as at least one additional cooling or heating arrangement that serves to cool or heat tissue surrounding the tissue to be ablated, and that can be introduced into a natural or latent cavity of the patient.

Abstract: In a method and magnetic resonance (MR) system to create an MR magnitude image data set and a phase image data set of an examination subject, first echo signals in a first raw MR data set are detected after a first echo time TE1 and at least second echo signals in at least one second raw MR data set are detected after a second echo time TE2 that is longer than TE1, a magnitude image data set is generated on the basis of the first raw MR data set and the at least one second raw MR data set with averaging of the first and the at least one second raw MR data set, and the phase image data set is generated based on the phase information contained in the at least two raw MR data sets, with averaging of the respective phase information contained in the at least two raw MR data sets.

Abstract: A positioning device has a computer and an ultrasound device that is provided to expose biological tissue with high-intensity, focused ultrasound radiation, and an ultrasound transducer unit, a mechanical focusing unit and an electronic focusing unit for positioning and/or focusing of the high-intensity, focused ultrasound radiation of the ultrasound transducer unit. The computer is designed to adjust the focus position of the ultrasound transducer unit along at least one dimension by operating the mechanical focusing unit; and the computer is designed to regulate the focus position of the ultrasound transducer unit along the at least one dimension by operating the electronic focusing unit after the positioning by the mechanical focusing unit.

Abstract: A whole-body coil arrangement for an open magnetic resonance scanner for use with a second diagnostic and/or therapeutic modality is proposed. The whole-body coil arrangement includes at least one coil conductor and a radio-frequency shield. The whole-body coil arrangement is embodied at least in part as essentially transparent to the second modality.

Abstract: A thermotherapy device has a transmitter, a receiver and a processing unit. The transmitter is designed to emit a high-energy radiation in a treatment region of a patient. The high-energy radiation exhibits a power that is suitable for thermotherapy. The receiver is designed to detect a sound signal that is generated by the treatment region depending on the high-energy radiation radiated into said treatment region. The processing unit is coupled with the transmitter) and the receiver. The processing unit automatically determines information about the treatment region depending on the detected sound signal.

Abstract: In a method and apparatus to detect incorrect MR data in k-space representing MR signals acquired from an examination subject with at least two acquisition coils, MR data are acquired to generate at least one raw data set with each of the at least two acquisition coils and a check is made, for at least one k-space point, as to whether the MR data acquired for this k-space point should be replaced or not. In the event that the check yields that the MR data acquired for the at least one k-space point should be replaced, the MR data are replaced with reconstructed MR data that are based on at least two of the acquired raw data sets.

Abstract: In a magnetic resonance (MR) method and apparatus for the acquisition of a first image data set and a second image data set of an examination subject, a series of excitation pulses is radiated into the examination subject, and after each excitation pulse, a first echo signal is detected after a first echo time TE1 and a second echo signal is detected after a second echo time TE2, with TE2 greater than TE1, and the first echo signal is entered in a first raw MR data set and the second echo signal is entered in a second raw MR data set. A first image data set is acquired from the first MR data set on the basis of magnitude information contained in the first MR data set. A second image data set is acquired from the second MR data set on the basis of phase information contained in the second MR data set. The first and second image data sets are stored on at least one memory device.

Abstract: Method to register multiple different imaging modalities warming an examination subject in a common image acquisition region of all imaging modalities, simultaneous or time-offset acquisition of at least one first image data set with a first imaging modality, simultaneous or time-offset acquisition of at least one second heat image data set with a second imaging modality, determining at least one item of heat information resulting from the warming of the examination subject is determined from each of the first image data set and the second heat image data set, and registration of the imaging modalities using the determined heat information.

Abstract: In a method to determine the spatial distribution of the specific absorption rate in tissue that represents a measure of the absorption of electromagnetic fields emitted by means of a radiation generating element, at least one item of measurement information acquired by a thermoacoustic computed tomography device is used to determine the specific absorption rate.

Abstract: A transmitting or receiving coil assembly for nuclear spin tomographs comprises a multi-layer structure of conducting layers forming inductive components on an insulating support layer. Discrete components such as capacitors are accommodated in recesses of the support layer. Reinforcement members make it possible to increase the mechanical stability of the arrangement.

Abstract: A novel method and system for employing device tracking with a magnetic resonance imaging system. In accordance with one aspect of the present technique, a method for tracking the location of a device and generating an image using magnetic resonance imaging includes applying a combined imaging and tracking pulse sequence, in the presence of a magnetic field gradient, wherein the combined imaging and tracking sequence comprising a radiofrequency excitation pulse. The method further includes collecting tracking data based on a magnetic resonance tracking signal resulting from the radiofrequency excitation pulse, wherein the magnetic resonance tracking signal is returned from a tracking coil mounted in the device. The method also includes collecting imaging data based on a magnetic resonance imaging signal resulting from the radiofrequency excitation pulse, wherein the magnetic resonance imaging signal is returned from an imaging coil.

Abstract: A business object model, which reflects data that used during a given business transaction, is utilized to generate interfaces This business object model facilitates commercial transactions by providing consistent interfaces that are suitable for use across industries, across businesses, and across different departments within a business during a business transaction.

Abstract: A magnetic resonance imaging receive circuit, for use e.g. within the body of a patient during an MR imaging procedure, includes a balanced MR coil (50) connected to balanced matching and decoupling circuitry (110, 120). Signal transfer passes along two micro-coaxial cables (52, 54) to signal combination circuitry (300) with common mode rejection. Signals then pass along a further coaxial cable (82), to a receiver. The coil (50) may be incorporated into an endoscope or catheter probe, so providing detailed MR imaging of the treatment area.

Abstract: A transmitting or receiving coil assembly for nuclear spin tomographs comprises a multi-layer structure of conducting layers forming inductive components on an insulating support layer. Discrete components such as capacitors are accommodated in recesses of the support layer. Reinforcement members make it possible to increase the mechanical stability of the arrangement.

Abstract: A conducting wire assembly (80) is provided for use with a magnetic resonance imaging (MRI) system (10). The conducting wire assembly (80) includes at least one impedance component (82) coupled externally to a conducting wire (34). The impedance component (82) is configured to dynamically vary an impedance of the conducting wire to disrupt resonant conditions of the conducting wire and to avoid current and/or voltage built-up on the wire and the associated heating of surrounding tissue.

Abstract: A magnetic resonance imaging receive circuit, for use e.g. within the body of a patient during an MR imaging procedure, includes a balanced MR coil (50) connected to balanced matching and decoupling circuitry (110, 120). Signal transfer passes along two micro-coaxial cables (52, 54) to signal combination circuitry (300) with common mode rejection. Signals then pass along a further coaxial cable (82), to a receiver. The coil (50) may be incorporated into an endoscope or catheter probe, so providing detailed MR imaging of the treatment area.