Abstract: A signal receiver for receiving signals produced by a magnetic resonance scanner from an examination subject has an operating circuit and a local coil assembly having at least two coils, wherein the operating circuit is used to individually activate at least one of the at least two coils, and the operating circuit is located inside an RF-shielded room surrounding the magnetic resonance scanner.

Abstract: In a method and magnetic resonance (MR) apparatus for monitoring a radiation therapy of a patient, first MR image data are acquired with a quantitative magnetic resonance method before an irradiation of a target area of the patient, and second MR image data are acquired with the quantitative magnetic resonance method after the irradiation of the target area of the patient. The first MR image data and the second MR image data are compared, and output information is generated on the basis of a result of the comparison.

Abstract: A signal receiver for receiving signals produced by a magnetic resonance scanner from an examination subject has an operating circuit and a local coil assembly having at least two coils, wherein the operating circuit is used to individually activate at least one of the at least two coils, and the operating circuit is located inside an RF-shielded room surrounding the magnetic resonance scanner.

Abstract: A method is disclosed for evaluating an examination of an examination object using a medical imaging device by way of an evaluation unit. The method includes reading in an examination data set of the examination object; assigning a reference data set to the read-in examination data set, the reference data set comprising at least one reference region; selecting at least one reference region; assigning at least one examination region of the examination data set to the at least one reference region; and marking the at least one examination region in at least one image of the examination data set. In an advantageous embodiment, the marking of the at least one examination region includes a marking tolerance and a segmentation of the at least one examination region on at least one image of the examination data set, and the segmentation depends on the medical imaging device.

Abstract: Periodic movement of an object, for example a tumor, is determined on the basis of 4D MRI images. A radiation source can be controlled (guided) as a function of the periodic movement of the object, thus enabling the compilation of a more efficient treatment plan with respect to time and radiation.

Abstract: An applicator apparatus for performing brachytherapy and/or magnetic resonance imaging has an application main body for receiving at least one radiation source, and at least one antenna element connected to the application main body as a reception unit for a magnetic resonance device. The applicator apparatus can also include a processing module for a preamplification and/or digitization, the processing module being radiation-resistant and embodied to be separably connected to the antenna element, and the antenna element includes at least one part of the application main body.

Abstract: An apparatus for determining a position of a medical instrument within a patient receiving zone of a magnetic resonance tomography device is provided. The apparatus includes a sensor and a computing and control device. The sensor is arranged on or in the medical instrument, includes at least one magnetic field sensor for obtaining measured values of a magnetic flux density, and may be connected to the computing and control device for data transfer purposes. The computing and control device is embodied to control magnetic fields of the magnetic resonance tomography device and to determine the position of the medical instrument. The measured values of the at least one magnetic field sensor and control signals for controlling the magnetic fields of the magnetic resonance tomography device are included in the determination of the position of the medical instrument.

Abstract: An apparatus is provided for obtaining a spatial instrument image of a medical instrument with a magnetic resonance tomography device, wherein the apparatus includes a medical instrument, a magnetic resonance tomography device, and a computing and control device. The medical instrument includes at least one marker material in at least one region, the marker material having a nuclear spin resonance outside of the proton resonance and wherein the computing and control device is configured to control the magnetic resonance tomography device such that a nuclear spin tomography imaging may be implemented by the magnetic resonance tomography device with the nuclear spin resonance of the at least one marker material in order to obtain a spatial instrument image, and wherein the computing and control device is configured to accept the instrument image. A corresponding medical instrument and a corresponding method are also provided.

Abstract: In a method and magnetic resonance (MR) apparatus for monitoring a radiation therapy of a patient, first MR image data are acquired with a quantitative magnetic resonance method before an irradiation of a target area of the patient, and second MR image data are acquired with the quantitative magnetic resonance method after the irradiation of the target area of the patient. The first MR image data and the second MR image data are compared, and output information is generated on the basis of a result of the comparison.

Abstract: A radiotherapy treatment device comprising an image acquisition device, in particular a magnetic resonance device, an irradiation device comprising in particular a linear accelerator, and a patient positioning device having a patient positioning platform, wherein a movement device is provided for jointly moving the image acquisition device and the irradiation device between an irradiation position, in which a radiotherapeutic treatment of a patient located on the patient positioning platform is possible by means of the irradiation device, and an image acquisition position, in which an image acquisition of the patient located on the patient positioning platform is possible by means of the image acquisition device is provided. A radiotherapy method for treating an irradiation target in a patient by means of such a radiotherapy treatment device is also disclosed.

Abstract: In a method for determining a position of a target region of a patient to be irradiated in an irradiation device, a patient is positioned on a patient positioning device having markers that are visible in magnetic resonance images. A magnetic resonance image data record is acquired showing a target area of the patient containing the target region, together with the markers. The magnetic resonance image data record is evaluated to determine location information describing the three-dimensional position of the target region relative to the markers. The patient positioning device with the unmoved patient is transported to the irradiation device. Target information describing the position of the target region in the irradiation device is determined from marker information indicating the position of the markers in the irradiation device, and the location information.

Abstract: In a method and medical imaging system to prepare an interventional and/or diagnostic imaging procedure to be conducted with at least two different medical imaging modalities of the system, a patient is positioned on a patient support device and the patient support device, together with the patient, are moved into a patient acquisition region of a first medical imaging modality of the system. A first image data set of the patient to be examined is acquired with the first medical imaging modality. The first image data set is automatically evaluated in a data evaluation unit. At least patient parameter is automatically calculated from the evaluated first image data set. At least one compatibility value is automatically calculated depending on the at least one patient parameter and depending on at least one apparatus parameter of at least one additional medical imaging modality in the system.

Abstract: In a method and device to evaluate an examination of an examination subject with a medical imaging apparatus, an examination data set of the examination subject is imported into the evaluation device. A reference data set is associated with the imported examination data set, wherein the reference data set includes at least one reference region. At least one examination region of the examination data set is established by the evaluation device using the at least one reference region of the reference data set. The establishment of the at least one examination region of the examination data set can include a selection of at least one image of the examination data set; a marking of the at least one examination region in at least one image of the examination data set; and a segmentation of the at least one examination region in at least one image of the examination data set.

Abstract: A method is disclosed for evaluating an examination of an examination object using a medical imaging device by way of an evaluation unit. The method includes reading in an examination data set of the examination object; assigning a reference data set to the read-in examination data set, the reference data set comprising at least one reference region; selecting at least one reference region; assigning at least one examination region of the examination data set to the at least one reference region; and marking the at least one examination region in at least one image of the examination data set. In an advantageous embodiment, the marking of the at least one examination region includes a marking tolerance and a segmentation of the at least one examination region on at least one image of the examination data set, and the segmentation depends on the medical imaging device.

Abstract: A magnetic resonance apparatus includes a patient couch with a couch surface on which a patient is supportable. In the patient couch, lower local coils for receiving excited magnetic resonance signals of the patient are arranged below the couch surface. On an upper side of the patient couch, connecting devices are arranged to sides. The magnetic resonance device includes upper local coils that are detachably connected mechanically and electrically with the connecting devices. The lower local coils and the upper local coils are connected to electronics that at least include a respective pre-amplifier and are connected via connection lines arranged outside the patient couch to an evaluation device. In a state in which the upper local coils are connected to the connecting devices, the upper local coils are fixed mechanically to the patient couch and cover the patient in a dome shape. The electronics are arranged in the patient couch.

Abstract: A radiotherapy treatment device comprising an image acquisition device, in particular a magnetic resonance device, an irradiation device comprising in particular a linear accelerator, and a patient positioning device having a patient positioning platform, wherein a movement device is provided for jointly moving the image acquisition device and the irradiation device between an irradiation position, in which a radiotherapeutic treatment of a patient located on the patient positioning platform is possible by means of the irradiation device, and an image acquisition position, in which an image acquisition of the patient located on the patient positioning platform is possible by means of the image acquisition device is provided. A radiotherapy method for treating an irradiation target in a patient by means of such a radiotherapy treatment device is also disclosed.

Abstract: In a method and projection device to mark a surface of a three-dimensional examination subject, relief data (RD) of the surface are acquired and are used to establish a measurement information marking. A reference position value is determined, which represents a position of a radiation device of the projection device relative to the surface. A calculation of pre-distortion of the established measurement information is calculated in a processor marking depending on the relief data and the reference position value. A visually perceptible pre-distorted measurement information marking is radiated from the radiation device in the direction of the surface.

Abstract: A method, a computer program product and a computer readable storage medium are disclosed for generating a global attenuation map used for attenuation correction of positron emission tomography image data sets in a combined magnetic resonance-positron emission tomography device. In an embodiment, during the course of detecting hardware components of the combined magnetic resonance-positron emission tomography device and determining positions of the detected hardware components relative to a patient support, the global attenuation map is generated as a function of the detected hardware components.

Abstract: A support unit is disclosed for positioning a patient within a medical imaging apparatus with at least one magnetic resonance device; along with a patient positioning apparatus and a medical imaging apparatus including such a support unit. In an embodiment, the support unit includes at least one bearing element for movable positioning relative to a patient positioning apparatus and a coil unit for receiving magnetic resonance raw data. The coil unit includes a flat supporting surface for positioning the patient.

Abstract: In a method and medical imaging system to prepare an interventional and/or diagnostic imaging procedure to be conducted with at least two different medical imaging modalities of the system, a patient is positioned on a patient support device and the patient support device, together with the patient, are moved into a patient acquisition region of a first medical imaging modality of the system. A first image data set of the patient to be examined is acquired with the first medical imaging modality. The first image data set is automatically evaluated in a data evaluation unit. At least patient parameter is automatically calculated from the evaluated first image data set. At least one compatibility value is automatically calculated depending on the at least one patient parameter and depending on at least one apparatus parameter of at least one additional medical imaging modality in the system.