Siemens Healthcare Gmbh

Siemens Aktiengesellschaft

University of Virginia Patent Foundation

Siemens Aktiengesell Schaft

Siemens Healthineers Ag

Miriam Keil

Dominik Paul

Peter Schmitt

Wilhelm Horger

Joerg Roland

Wolfgang Bielmeier

Christof Krellmann

Stephan Stoecker

Martin Kessner

John Mugler

A method is for performing an angiographic measurement of a main measurement region of a patient via a magnetic resonance system. An embodiment of the method includes performing at least one overview measurement to generate overview-measurement data; defining, using the overview-measurement data, the main measurement region and a first measurement region, the first measurement region differing from the main measurement region; performing a first time-resolved measurement in the first measurement region defined to generate first time-resolved measurement data; detecting an injected contrast agent bolus in the first measurement region using the first time-resolved measurement data; determining a flow rate of the injected contrast agent bolus detected; setting at least one measurement parameter of the angiographic measurement according to the flow rate determined; and performing the angiographic measurement of the main measurement region of the patient in the magnetic resonance system using the at least one measurement parameter set.

Method for performing an angiographic measurement

A method is for performing an angiographic measurement and creating an angiogram of a body region of a patient in a magnetic-resonance system and a magnetic-resonance system for operating such a method. In an embodiment, the method includes acquisition of a body region; division of the angiographic measurement into partial angiographic measurements; displaying the measurement start times, the measurement duration and the measurement end times of the partial angiographic measurements; changing the measuring time points; definition of sequence parameters of the partial angiographic measurements based on the changed measurement start times and/or measurement end times such that the partial angiographic measurement is performable between the associated measurement start time and measurement end time; provision of the sequence parameters of the control unit of the magnetic-resonance system; performance of the partial angiographic measurements; and creation of the angiogram using the partial angiographic measurements performed.

Method for performing an angiographic measurement and creating an angiogram

In a method and a medical imaging apparatus for determining a similarity parameter for an original protocol with a reference protocol, wherein the original protocol has control parameters for controlling a medical imaging apparatus and is compatible with an original configuration of the medical imaging apparatus, and the reference protocol has control parameters for controlling a medical imaging apparatus and is compatible with a new configuration, the similarity parameter is determined by a comparative analysis for the original protocol with the reference protocol.

Method and apparatus for determining a similarity parameter for an original protocol with a reference protocol for medical imaging

In a method and apparatus for adjusting a table position in a medical data acquisition scanner, image data relating to a body region are generated by operation of the medical data acquisition scanner by running a scanning protocol. The scanning protocol is intended to be used independently of the body region that is mapped. An iso-mode, in which a relative position of the body region relative to the isocenter of the medical data acquisition scanner can be set via the table position in accordance with an optimization criterion, and on a ref-mode, in which the table position is set at a predetermined reference position, are provided. A mode of operation is selected from the iso-mode and the ref-mode as dependent on anatomical information relating to the body region and/or a relative position of the body region relative to the isocenter that ensues in the reference position, and before the running of and/or during the running of the selected scanning protocol, the table position is set according to the selected mode of operation.

Method and apparatus for adjustment of a table position in a medical data acquisition scanner

In a method and apparatus for generating a favorites set containing a number of protocols, each protocol of the multiple protocols including control parameters for controlling a medical imaging apparatus, a computer determines a system parameter of the medical imaging apparatus, and an entry is made into the computer that designates a requirement of a user of the medical imaging apparatus. The computer then automatically defines a favorites set, taking into account the system parameter and the requirement.

Method and medical imaging apparatus for generating a favorites set of protocols for controlling the medical imaging apparatus

A raw data set is acquired using a scan protocol via an imaging medical device. In an embodiment of a method, the raw data set and the scan protocol are transmitted from the medical device to a reconstruction unit. Furthermore, an at least two-dimensional image data set is calculated from the raw data set via the reconstruction unit. Furthermore, a display parameter is fetched via the reconstruction unit, the display parameter being assigned to the scan protocol and the display parameter defining a first projection method for the image data set. Furthermore, the image data set and the display parameter are transmitted from the reconstruction unit to a display unit, the reconstruction unit and the display unit being spatially separate. Furthermore, a first projection data set is determined by applying the first projection method to the image data set via the display unit.

Method for determining a projection data set, projection-determining system, computer program product and computer-readable storage medium

In a method and apparatus for planning a data acquisition of a region of interest of an object under examination in medical imaging, wherein the region of interest is larger than a region of sensitivity of the medical imaging apparatus, a level of detail corresponding to the user's requirements is enabled by the planning including the division of the region of interest into at least two sub-regions based on at least one predefined parameter, and raw medical data are recorded from each of the at least two sub-regions.

Method and device for planning a recording in medical imaging

In a magnetic resonance (MR) apparatus and an operating method therefor, the scanner of the MR apparatus has at least one connector for connecting a radio-frequency coil, as well as a control computer with a display screen. Connection of a radio-frequency coil to the connector causes at least one item of coil identification information, and selection of at least one measurement protocol from among a number of measurement protocols for recording magnetic resonance signals with the connected coil to be made by the control computer as a function of the at least one item of coil identification information.

Magnetic resonance system and operating method therefor

In a magnetic resonance apparatus and an operating method therefor in which magnetic resonance data are acquired from a patient, a measurement process is used in which a number of magnetic resonance sequences are carried out sequentially, and a maximum measurement time parameter, describing a maximum possible measurement time for undershooting a threshold value for the overall energy input into the patient during the measurement process, is established, taking into account other known recording parameters of the measurement process. The maximum measurement time parameter is used to restrict the ability of an operator to set a measurement time parameter describing the measurement time as a recording parameter, and/or is used as the measurement time parameter.

Magnetic resonance apparatus and operating method

A magnetic resonance data acquisition unit is operated according to an imaging protocol wherein at least one echo spacing exists following radiation of an excitation RF pulse, via an RF channel that includes an RF amplifier, and a subsequent readout of an echo. Loading of the RF amplifier is reduced by lengthening the echo spacing in the imaging protocol. One or more refocusing RF pulses are radiated with a lengthened echo spacing.

Method and apparatus that acquire magnetic resonance data using a 3D turbo or fast spin echo pulse sequence with a lengthened echo spacing

In a method and magnetic resonance (MR) apparatus for implementing an MR examination of an examination subject with a predetermined MR measurement protocol at several different bed positions of the bed of the MR apparatus, a respective anatomical structure of the examination subject is determined for each of the several bed positions and a respective specific absorption rate is determined for each of the several bed positions as a function of the respective anatomical structure of the examination subject at the corresponding bed position and the predetermined MR measurement protocol. The specific absorption rates for the several bed positions are determined before electromagnetic fields are generated according to the respective predetermined MR measurement protocol. The specific absorption rates are compared with an absorption rate threshold value and a notification is output if at least one of the specific absorption rates exceeds the absorption rate threshold value.

Implementation of a magnetic resonance examination at several bed positions in the scanner

In a method and apparatus for magnetic resonance imaging, in order to enable improved saturation of magnetic resonance signals during an acquisition sequence, the acquisition sequence includes a readout block set with multiple readout blocks, a readout saturation pulse set with multiple readout saturation pulses, and an intermediate saturation pulse set with one or more intermediate saturation pulses, wherein the readout saturation pulse set is disjoint from the intermediate saturation pulse set, at least one readout block of the readout block set includes a readout saturation pulse of the readout saturation pulse set, and at least one intermediate saturation pulse of the intermediate saturation pulse set takes place between two successive readout blocks of the readout block set.

Method and apparatus for magnetic resonance imaging

In a method for planning a spectroscopy measurement of an examination object by operation of a magnetic resonance apparatus, an image data record is selected that includes at least two images of a magnetic resonance measurement of the examination object, an isometric and/or isogonal region is determined in a first image of the at least two images, a region of interest is selected according to the isometric and/or isogonal region determined on the first image, and the first image is displayed, at least one further, second image of the image data record is displayed according to the selected region of interest, and the spectroscopy measurement is planned according to the displayed images.

Method and magnetic resonance apparatus for planning a spectroscopy measurement

A connection facility for connecting an electrocardiogram electrode to a data acquisition and/or transfer facility includes a signal line and a connecting element for connecting the signal line to the electrocardiogram electrode. The connecting element has a clamping body with two clamping jaws connected by an elastic reset element between a front and a rear end of the clamping body, and a contact element for making contact with the electrocardiogram electrode arranged at the front end of the clamping body and connected in an electrically conducting manner to the signal line. The connecting element has a grip region, in which the jaw width is wider than the jaw width at the front end. The contact element is arranged centrally in the jaw width of the clamping jaws and has an extension in the direction of the jaw width, which is smaller than the jaw width at the front end.

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Erlangen-Dechsendorf, Germany

Miriam Keil