Abstract: Mounting for a body coil of a magnetic resonance device is provided. A reversible and universal mounting device for a body coil in the magnetic resonance device is provided. The mounting device includes at least one expanding ring for creating a way of retaining the body coil in a tunnel-shaped magnetic opening of the magnetic resonance device. The mounting device also includes at least one expander that is configured to enable the expanding ring to be mounted on the inside of the tunnel-shaped magnetic opening of the magnetic resonance device by spreading. The mounting device includes at least one mounting element for mechanically supporting the body coil on the expanding ring.

Abstract: A mounting device for a body coil of a magnetic resonance device is provided. The mounting device includes a suspension device that has at least one suspension element. The at least one suspension element is mechanically connectable to a counterpart piece of the body coil. The suspension device is configured for suspension and coarse adjustment of the body coil in the magnetic resonance device during an adjustment process of the body coil. The mounting device also includes an adjustment device that has an adjuster for changing a position of the body coil, and adjustment indicators for displaying the position of the body coil. The adjustment device is provided for fine adjustment of the body coil during the adjustment process. The mounting device includes an attachment device differing from the suspension device. The attachment device includes at least one attachment element for mechanical interaction with the body coil.

Abstract: The embodiments relate to a magnetic resonance scanner including an antenna system having an adjustment device for modifying the natural frequency of a natural mechanical oscillation mode of the antenna system. According to the embodiments, in a method for operating a magnetic resonance imaging system having a magnetic resonance scanner comprising an antenna system, a natural frequency of a natural mechanical oscillation mode of the antenna system is controlled and/or regulated.

Abstract: A magnetic resonance scanner includes an antenna system, such as a body coil, mechanically coupled to a support structure, such as a gradient coil, via a suspension system. The suspension system has a setting mechanism in order to reversibly set a coupling parameter value of the mechanical coupling between the antenna system and the support structure and/or a position or location of the antenna system relative to the support structure. The coupling parameter may be set during operation of a magnetic resonance imaging system including the magnetic resonance scanner.

Abstract: The present embodiments include a magnetic resonance antenna having parallel-running longitudinal antenna rods arranged in a birdcage structure and antenna ferrules connecting the parallel-running longitudinal antenna rods at ends of the parallel-running longitudinal antenna rods in radio frequency terms. The magnetic resonance antenna includes a plurality of radio-frequency switching elements configured to interrupt at least a part of the parallel-running longitudinal antenna rods to detune a natural resonance frequency with respect to an operating magnetic resonance frequency in radio frequency terms. At least some radio-frequency switching elements of the plurality of radio-frequency switching elements are arranged at end sections of the parallel-running longitudinal antenna rods.

Abstract: Efficient mounting of a module to a whole-body coil of a magnetic resonance apparatus is enabled by a circuit board with conductive contact regions located at least in the area of an edge of the circuit board, with which contact regions contacts of an electronic module for a magnetic resonance apparatus are connected in a conductive manner. The contact regions of the circuit board are configured for electrical contact with the whole-body coil.

Abstract: The efficiency and the field structure of an antenna arrangement for a magnetic resonance tomography apparatus are improved by at least one impedance transformation circuit connected with the antenna.

Abstract: A patient support apparatus for a medical imaging apparatus, such as a magnetic resonance apparatus, is proposed. The patient support apparatus has a couch, a lifting unit for vertical movement of the couch, a travel unit, and at least one sensor unit to detect at least one weight variable for determining the weight of a patient. The at least one sensor unit has at least one sensor element, which is disposed on the lifting unit and/or on the travel unit.

Abstract: A magnetic resonance antenna arrangement having a plurality of antenna elements disposed around a measurement chamber and a plurality of switching elements is provided. The antenna elements and the switching elements are disposed and interconnected such that in a first switching configuration of the switching elements, the antenna elements form a first antenna architecture, and in a second switching configuration of the switching elements, the antenna elements form a second antenna architecture.

Abstract: A magnetic resonance antenna has capacitive and inductive oscillating circuit antenna elements at least one radio-frequency switching element with which at least one of the oscillating circuit antenna elements that determine the resonant frequency of the magnetic resonance antenna, can be switched at radio frequency between a permeable state and an impermeable state to change the resonant frequency of the magnetic resonance antenna, so the antenna can be detuned simply, cost-effectively and efficiently.

Abstract: The present embodiments include a magnetic resonance antenna having parallel-running longitudinal antenna rods arranged in a birdcage structure and antenna ferrules connecting the parallel-running longitudinal antenna rods at ends of the parallel-running longitudinal antenna rods in radio frequency terms. The magnetic resonance antenna includes a plurality of radio-frequency switching elements configured to interrupt at least a part of the parallel-running longitudinal antenna rods to detune a natural resonance frequency with respect to an operating magnetic resonance frequency in radio frequency terms. At least some radio-frequency switching elements of the plurality of radio-frequency switching elements are arranged at end sections of the parallel-running longitudinal antenna rods.

Abstract: A detector unit for arrangement in a field generating unit of a magnetic resonance device has an RF transmission/reception system for transmitting RF pulses into, or receiving magnetic resonance signals from, an examination volume of the field generation unit. The RF transmission/reception system surrounds a patient tunnel at a radial distance from a tunnel axis thereof, and is divided into two sub-systems located at a distance from each other along the direction of the tunnel axis, so as to form a substantially annular cavity or interstice therebetween.

Abstract: An RF antenna arrangement of a combined MR/PET system is disclosed. In at least one embodiment, the RF antenna arrangement includes a first part installed in the examination tunnel in a fashion fixed to the system such that it is arranged underneath the couch board when the latter is introduced, and a second part, which can be placed onto the couch board and be introduced into and withdrawn from the examination tunnel together with the couch board. In at least one embodiment, the second part is of dimensionally stable design and has a clear cross section that is adapted to the object to be examined. Consequently, the time outlay for applying the RF antenna is reduced, and the fixed position of the RF antenna enables a correction of the attenuation of gamma rays. Furthermore, a number of second parts having various diameters can be provided.

Abstract: A device for superposed magnetic resonance tomography and positron emission tomography imaging is disclosed. In at least one embodiment, the device includes a magnetic resonance tomography magnet, which defines a longitudinal axis; a magnetic resonance tomography gradient coil, arranged radially within the magnetic resonance tomography magnet; a magnetic resonance tomography RF coil, arranged radially within the magnetic resonance tomography gradient coil; and a multiplicity of positron emission tomography detection units, arranged in pairs lying opposite to one another about the longitudinal axis. In at least one embodiment, the many positron emission tomography detection units are arranged radially within the magnetic resonance tomography gradient coil and are arranged along the longitudinal axis next to the magnetic resonance tomography RF coil.

Abstract: A transmission antenna for magnetic resonance applications has a birdcage-like structure that includes antenna rods proceeding between first and second terminating elements respectively located at opposite ends of the antenna rods. A detuning circuit is located at the second terminating element. Either the second terminating element is formed as a completely continuous short circuit ring and the detuning circuit is arranged between the ends of the antenna rods and the second terminating element, or the second terminating element has a number of ferrule segments, between which the detuning circuit is arranged. The second terminating element has a larger cross-section than a the first terminating element.

Abstract: The efficiency and the field structure of an antenna arrangement for a magnetic resonance tomography apparatus are improved by at least one impedance transformation circuit connected with the antenna.

Abstract: A magnetic resonance antenna has capacitive and inductive oscillating circuit antenna elements at least one radio-frequency switching element with which at least one of the oscillating circuit antenna elements that determine the resonant frequency of the magnetic resonance antenna, can be switched at radio frequency between a permeable state and an impermeable state to change the resonant frequency of the magnetic resonance antenna, so the antenna can be detuned simply, cost-effectively and efficiently.

Abstract: Efficient mounting of a module to a whole-body coil of a magnetic resonance apparatus is enabled by a circuit board with conductive contact regions located at least in the area of an edge of the circuit board, with which contact regions contacts of an electronic module for a magnetic resonance apparatus are connected in a conductive manner. The contact regions of the circuit board are configured for electrical contact with the whole-body coil.

Abstract: A detection unit is disclosed for arrangement in the main magnet of an MR device, which has both an RF transceiver system and a PET detector. In at least one embodiment the RF transceiver system is divided into two parts and the two parts are arranged upstream and downstream of the PET detector in the longitudinal direction of the patient tunnel. The RF transceiver system and PET detector are applied to the same image volume. In at least one other embodiment, an MR device is equipped with the detection unit, and in at least one other embodiment, a method operates the detection unit.

Abstract: Detection unit is disclosed for arrangement inside a cylindrical patient receptacle of a magnetic resonance apparatus. In at least one embodiment, the detection unit includes an annular PET detector arrangement with PET detector blocks, and a radiofrequency coil arrangement, arranged coaxially inside the PET detector arrangement and including longitudinal conductors, the longitudinal conductors being guided at least in sections along interspaces between mutually spaced apart detector blocks.