Patent application number | Description | Published |
20120229136 | METHOD AND MAGNETIC RESONANCE TOMOGRAPHY SYSTEM TO GENERATE MAGNETIC RESONANCE IMAGE DATA OF AN EXAMINATION SUBJECT - A method and magnetic resonance tomography system to generate magnetic resonance image data of an examination subject, raw imaging data are acquired from multiple slices of a predetermined volume region of the examination subject using local coils during a table feed in the magnetic resonance scanner. Image data of the slices are reconstructed on the basis of the raw imaging data. A normalization of the image data is subsequently implemented on the basis of measured coil sensitivity data of the local coils that are used. | 09-13-2012 |
20120235681 | MAGNETIC RESONANCE SYSTEM AND METHOD TO ADJUST AT LEAST ONE SHIM CURRENT AND AN ASSOCIATED RF CENTER FREQUENCY DURING AN INTERLEAVED MULTISLICE MR MEASUREMENT OF A MOVING EXAMINATION SUBJECT - In a method and system to adjust at least one shim current in a shim channel of a magnetic resonance apparatus and an associated RF center frequency for the radio-frequency system of the magnetic resonance apparatus during an interleaved multislice MR measurement of a moving examination subject, in which MR measurement at least two excitations are implemented for complete acquisition of the desired data of a slice of the examination subject that is to be measured, the multislice MR measurement is implemented such that phase discontinuities between measurement data acquired after individual excitations are avoided. | 09-20-2012 |
20120235684 | METHOD TO DETERMINE THE ACTUAL FLIP ANGLE AND METHOD TO ADJUST THE TRANSMITTER VOLTAGE IN A MAGNETIC RESONANCE APPARATUS - In a method to determine the actual flip angle in magnetic resonance tomography with continuous table feed, at least one echo signal is generated by a pulse sequence from which an actual flip angle is produced with at least one RF pulse of the sequence, and a gradient scheme is used in the direction of the continuous travel of the examination subject, the gradient scheme being designed such that its first moment disappears at the points in time of each echo signals used for the determination of the flip angle. Such a pulse sequence is also used in a method for adjustment of the transmitter voltage for RF pulses given continuous travel of the examination subject in a magnetic resonance apparatus. | 09-20-2012 |
20120271155 | MAGNETIC RESONANCE METHOD AND APPARATUS FOR TRIGGERED ACQUISITION OF MAGNETIC RESONANCE MEASUREMENT DATA - In a magnetic resonance method and apparatus, a) data points of a physiological signal are detected, b) a trigger condition is evaluated depending on the detected physiological data points, c) a preparation module is executed to suppress unwanted signals in the time period in which the trigger condition has not yet been satisfied, d) after satisfying the trigger condition, an acquisition phase of predetermined duration is started, that includes at least two similar preparation modules to suppress unwanted signals and a respective following acquisition module to acquire measurement data, and e) after the acquisition phase, a) through d) are repeated until all desired measurement data have been acquired, with a time interval between two successive preparation modules being the same after a first execution of a preparation module in c) until the end of the acquisition phase in a subsequent d). | 10-25-2012 |
20130249548 | METHOD AND CONTROL DEVICE TO OPERATE A MAGNETIC RESONANCE SYSTEM - In a method and a control device for operation of a magnetic resonance tomography system to generate image data, multiple of slices in an examination subject are initially excited at a first time interval by a respective RF slice excitation pulse of a series of spatially selective slice excitation pulses. An RF refocusing pulse is then emitted at a second time interval after the first excitation pulse or after the last excitation pulse of the series of RF slice excitation pulses. At least one additional RF refocusing pulse is emitted at a third time interval after a preceding RF refocusing pulse. The third time interval is twice as long as the second time interval. The width of the RF refocusing pulses is selected to generate a number of chronologically separate echo signals per RF refocusing pulse for simultaneous refocusing of all excited slices. | 09-26-2013 |
20130281823 | MAGNETIC RESONANCE METHOD AND APPARATUS FOR OBTAINING A SET OF MEASURED DATA RELATING TO A BREATHING OBJECT OF INTEREST - In a method and apparatus to acquire a measurement data set of a breathing examination subject by magnetic resonance, the measurement data set is acquired in multiple shots each composed of a number of k-space trajectories (views), with the number Nv of views per shot being selected. The number of shots is determined in order to completely fill k-space to be scanned. The views of the shots are associated with sectors in k-space, such that approximately the same number of views are arranged in each sector, and such that all views in a sector have a similar distance from the k-space center. A respective view of each sector is associated with a respective one of the shots, corresponding to the orientation of the respective shot in the kz-ky plane. The views of each shot are scanned such that views that are associated with the same sector and different shots respectively assume the same time position within the shot. | 10-24-2013 |
20130281824 | MAGNETIC RESONANCE METHOD AND APPARATUS FOR OBTAINING A SET OF MEASURED DATA RELATING TO A BREATHING OBJECT OF INTEREST - In a method for acquisition of a measurement data set of a respirating examination subject by magnetic resonance technology, the measurement data set is acquired by numerous individual measurements, wherein, for each individual measurement, a respiratory position and a respiratory phase are determined, based on which it is decided whether the individual measurement is to be included in the final measurement data set from which an image data set is reconstructed. | 10-24-2013 |
20130281827 | METHOD FOR OBTAINING A SET OF MEASURED DATA RELATING TO A BREATHING OBJECT OF INTEREST BY USING MAGNETIC RESONANCE TECHNOLOGY, MAGNETIC RESONANCE SYSTEM, COMPUTER PROGRAM, AND ELECTRONICALLY READABLE DATA STORAGE MEDIUM - In a method for determining a respiratory phase from a series of measurements of a respiratory position, the respiratory phase is determined by a finite state machine, which processes a current measured respiratory position and at least one previously measured respiratory position, and assigns a current respiratory phase to the current respiratory position. For this purpose, the temporal spacing between two successive measurements of the respiratory position is small in relation to a respiratory cycle. This method allows for a continuous measurement of imaging measurement data to be influenced in a prospective manner in a determined respiratory phase. | 10-24-2013 |
20130281828 | MAGNETIC RESONANCE METHOD AND APPARATUS FOR OBTAINING A SET OF MEASURED DATA RELATING TO A BREATHING OBJECT OF INTEREST - For generating a three-dimensional magnetic resonance image of a respirating examination subject, the respiration of the examination subject is divided into a number of predefined clusters. Based on a measured respiratory position of the examination subject, one of these clusters is selected. The scanned k-space range is divided into a number of data acquisition shots which, by means of a particular k-space trajectory, each fill a number of k-space lines. The different shots are acquired for the different clusters until all shots of the measurement data set are assigned together to at least two adjacent clusters. The magnetic resonance image is reconstructed from those shots that are assigned to at least two adjacent clusters. | 10-24-2013 |
20130320973 | METHOD OF ATTENUATION CORRECTION OF POSITRON EMISSION TOMOGRAPHY DATA AND COMBINED POSITRON EMISSION TOMOGRAPHY AND MAGNETIC RESONANCE TOMOGRAPHY SYSTEM - Various embodiments relate to a method of attenuation correction of Positron Emission Tomography (PET) data based on Magnetic Resonance Tomography (MRT) data. A method of at least one embodiment further includes determining further data being indicative of an iterative cycle of a physiological observable of a patient and matching the PET data with the MRT data based on the further data. | 12-05-2013 |
20140210471 | METHOD AND CONTROL DEVICE FOR OPERATING A MAGNETIC RESONANCE SYSTEM - In a method and a control device for operating a magnetic resonance imaging system, initially, in a sequence module, multiple slices are excited in an examination object by respective spatially selective RF slice excitation pulses whereby the time between two consecutive of these RF slice excitation pulses defines a first time interval. A preparation block follows the last excitation pulse. The preparation bloc radiates at least one RF refocusing pulse designed so that, for each of the slices, one echo signal is formed. The time interval between two consecutive echo signals is equal to the first time interval. Then, a second RF refocusing pulse is emitted at a second time interval after the last echo signal formed by the preparation block. The second RF refocusing pulse is designed so that, for each of the slices, one further echo signal is formed, and the time interval of two consecutive echo signals is equal to the first time interval. Subsequently, at least one further RF refocusing pulse is emitted at a third time interval after the preceding RF refocusing pulse for producing a number of temporally separated echo signals per refocusing pulse. The third time interval is selected so that the number of echo signals per RF refocusing pulse is twice as high as the number of excited slices. | 07-31-2014 |
20140278195 | OPERATING METHOD FOR A COMPUTER TO DETERMINE AN OPTIMIZED MEASUREMENT SEQUENCE FOR A MEDICAL IMAGING SYSTEM - In a method for operating a medical imaging system and a medical imaging system operating according to such a method, a measurement sequence is divided into a number of partial sequences, with each of the partial sequences resulting in a loading of at least one of these system components when the measurement sequence is executed. The partial sequences are evaluated, in terms of their number and duration, using a computerized model in order to determine whether a load limit for the at least one of the system components is exceeded. If so, the number or duration of the partial sequences is modified, and a check using the computer model is again implemented. A number or respective duration of the partial sequences that results in the load limit not being exceeded is then used as a final output in order to operate the medical imaging system. | 09-18-2014 |
20140285195 | METHOD AND MAGNETIC RESONANCE SYSTEM TO GENERATE MULTIPLE MAGNETIC RESONANCE IMAGES - In a method and magnetic resonance system to determine multiple magnetic resonance images for respective different echo points in time, k-space is scanned on a segment-by-segment basis with at least two rectangular k-space segments, these being scanned line by line with respective k-space lines oriented parallel to one another. A short side of the rectangular k-space segments is oriented parallel to the k-space lines. First and second gradient echoes are respectively produced by a radio-frequency pulse radiated for each k-space line. | 09-25-2014 |
20140300356 | METHOD AND MAGNETIC RESONANCE SYSTEM TO IMPLEMENT A MULTI-ECHO MEASUREMENT SEQUENCE - In a multi-echo measurement sequence with the goal of optimizing the spatial resolution given predetermined time difference between successive gradient echoes, gradient pulse parameters are set depending on a defined ratio between a predetermined time difference between echo times and a quotient of a predetermined maximum gradient pulse amplitude and a predetermined maximum gradient pulse rate-of-change. | 10-09-2014 |
20150035531 | METHOD AND DEVICE FOR DETERMINATION OF A MAGNETIC RESONANCE CONTROL SEQUENCE - A magnetic resonance control sequence with a pulse arrangement that acts selectively in at least two spatial directions in order to excite a limited rotationally symmetrical excitation profile within an examination subject has an RF excitation pulse formed as a sequence of multiple partial RF pulses, and gradient pulses in the two spatial directions that are coordinated with the partial RF pulses so that the RF energy introduction of different partial RF pulses in transmission k-space occurs on circular k-space transmission trajectories that are concentric to one another. The amplitude of the RF envelope of the partial RF pulses is constant during the duration of a traversal of each circular k-space trajectory. The control sequence can also be used in a calibration of a magnetic resonance system. | 02-05-2015 |
Patent application number | Description | Published |
20090236775 | COPOLYAMIDE POWDER AND ITS PREPARATION, USE OF COPOLYAMIDE POWDER IN A SHAPING PROCESS AND MOULDINGS PRODUCED FROM THIS COPOLYAMIDE POWDER - A task often encountered in very recent times is the rapid provision of prototypes. Particularly suitable processes are those based on pulverulent materials and in which the desired structures are produced layer-by-layer through selective melting and solidification. The invention provides the constitution, production and use of a copolyamide powder which was produced using the following monomer units: a) laurolactam or ω-aminoundecanoic acid, and also b) dodecanedioic acid, and either c) decanediamine or dodecanediamine, in shaping processes, and also to mouldings produced through a layer-by-layer process which selectively melts regions of a powder layer, using this specific powder. Once the regions previously melted layer-by-layer have been cooled and solidified, the moulding can be removed from the powder bed. The mouldless layer-by-layer processes for the production of components using the copolyamide powder result in simplified and more reliable conduct of the process and better recyclability. | 09-24-2009 |
20110250156 | POLYAMIDE 10.10 POWDER AND ITS USE IN PERSONAL CARE PRODUCTS - The present invention is directed to particles based on polyamide 10.10, wherein the particles have a mean particle size d | 10-13-2011 |
20120315483 | POLYAMIDE-BASED POLYMER POWDER, USE THEREOF IN A MOLDING METHOD, AND MOLDED ARTICLES MADE FROM SAID POLYMER POWDER - The invention relates to a polymer powder for use in a layer-by-layer method in which areas of each powder layer are selectively fused by introducing electromagnetic energy. Said polymer powder contains: at least one AB-type polyamide produced by polymerizing lactams comprising 10 to 12 carbon atoms in the monomer unit or polycondensing the corresponding ω-amino carboxylic acids comprising 10 to 12 carbon atoms in the monomer unit and at least one AABB-type polyamide produced by polycondensing diamines and dicarboxylic acids, each of which comprises 10 to 14 carbon atoms in the monomer units, the AB-type polyamide containing up to 20 mole % of the AABB comonomer units and the AABB-type polyamide containing up to 20 mole % of the AB monomer units. The invention also relates to a method for producing such a powder, a layer-by-layer method for producing a molded article from such a powder in which areas of each layer are selectively fused by introducing electromagnetic energy, the selectivity being obtained using masks or by applying inhibitors, absorbers or susceptors or focusing the applied energy, and molded articles produced in said manner. | 12-13-2012 |
20130012643 | POWDER COMPRISING POLYMER-COATED GLASS PARTICLES - Composite particles comprising core particles completely or partially coated with a precipitated polymer, where the d | 01-10-2013 |
Patent application number | Description | Published |
20090102265 | Fitting for a vehicle seat - A compound fitting ( | 04-23-2009 |
20100276561 | ADJUSTING DEVICE FOR THE LONGITUDINAL ADJUSTMENT OF AN AUTOMOTIVE COMPONENT - The invention relates to an adjusting device for the longitudinal adjustment of an automotive component, especially a vehicle seat. The adjusting device comprises an upper longitudinal rail with respect to the adjusting device and a lower longitudinal rail with respect to the adjusting device. The adjusting device comprises a locking device in such a manner that when the locking device is activated, a relative adjustment of the longitudinal rails in relation to each other can be blocked and when the locking device is released, the longitudinal rails can be unblocked. The locking device comprises a plurality of detent pins, at least one detent pin being adjusted in the locking position to lock the longitudinal rails and all detent pins being adjusted in a release position to release the longitudinal rails. The detent pins have a detent profile that is designed in such a manner that a first front section of the detent pin has a flare angle and a second section of the detent pin has a transition. | 11-04-2010 |
20130009438 | DRIVE UNIT FOR A VEHICLE SEAT - In a drive unit for a vehicle seat, having a motor which has a motor shaft as an output, and a multi-stage transmission which is driven by the motor shaft and which has an output shaft as an output, the transmission has at least one spur gear stage in which a drive wheel and an output gear, which are each embodied as spur gear wheels, mesh with one another, and the output shaft is arranged offset in parallel with the motor shaft. | 01-10-2013 |
20130214578 | FITTING FOR A VEHICLE SEAT - A fitting for a vehicle seat includes a first fitting part, a second fitting part, and an eccentric, which is rotatably supported and is driven by a carrier and rotates in the circumferential direction, for driving a relative rolling motion of a spur gear and a ring gear. The eccentric has two wedge segments, which each have a convexly curved outer surface, a concavely curved inner surface, and two lateral surfaces. The lateral surfaces have a distance from each other and the inner surface and/or outer surface has a width that is less than the distance, and a transition area, which reduces the local axial dimension of the particular wedge segment from the distance to the width, is provided between at least one of the two lateral surfaces and the inner surface or the outer surface. | 08-22-2013 |
Patent application number | Description | Published |
20100276561 | ADJUSTING DEVICE FOR THE LONGITUDINAL ADJUSTMENT OF AN AUTOMOTIVE COMPONENT - The invention relates to an adjusting device for the longitudinal adjustment of an automotive component, especially a vehicle seat. The adjusting device comprises an upper longitudinal rail with respect to the adjusting device and a lower longitudinal rail with respect to the adjusting device. The adjusting device comprises a locking device in such a manner that when the locking device is activated, a relative adjustment of the longitudinal rails in relation to each other can be blocked and when the locking device is released, the longitudinal rails can be unblocked. The locking device comprises a plurality of detent pins, at least one detent pin being adjusted in the locking position to lock the longitudinal rails and all detent pins being adjusted in a release position to release the longitudinal rails. The detent pins have a detent profile that is designed in such a manner that a first front section of the detent pin has a flare angle and a second section of the detent pin has a transition. | 11-04-2010 |
20120119554 | DRIVE UNIT FOR A VEHICLE SEAT - A drive unit ( | 05-17-2012 |
20130009438 | DRIVE UNIT FOR A VEHICLE SEAT - In a drive unit for a vehicle seat, having a motor which has a motor shaft as an output, and a multi-stage transmission which is driven by the motor shaft and which has an output shaft as an output, the transmission has at least one spur gear stage in which a drive wheel and an output gear, which are each embodied as spur gear wheels, mesh with one another, and the output shaft is arranged offset in parallel with the motor shaft. | 01-10-2013 |
20130214578 | FITTING FOR A VEHICLE SEAT - A fitting for a vehicle seat includes a first fitting part, a second fitting part, and an eccentric, which is rotatably supported and is driven by a carrier and rotates in the circumferential direction, for driving a relative rolling motion of a spur gear and a ring gear. The eccentric has two wedge segments, which each have a convexly curved outer surface, a concavely curved inner surface, and two lateral surfaces. The lateral surfaces have a distance from each other and the inner surface and/or outer surface has a width that is less than the distance, and a transition area, which reduces the local axial dimension of the particular wedge segment from the distance to the width, is provided between at least one of the two lateral surfaces and the inner surface or the outer surface. | 08-22-2013 |
Patent application number | Description | Published |
20090049807 | Compensating Shaft Module - The invention relates to a compensating shaft module of an internal combustion engine of a motor vehicle or similar, comprising a compensating shaft and a cartridge which receives the compensating shaft at least in areas and is maintained by means of bearings. Said cartridge comprises at least one raw blowby-gas-inlet which is connected to a centrifugal force separator of the compensating shaft and a conveyor which conveys the blowby-gases into the inside of the compensating shaft, whereby the rotor thereof is arranged on the compensating shaft which comprises at least one pure blowby gas outlet which is arranged downstream of the conveyor. | 02-26-2009 |
20090078629 | Exchangeable Oil Filter With Spring-Operated Pin For Drainage - The invention relates to a device for filtering of oil circulating in an internal combustion engine, comprising an oil filter adapter | 03-26-2009 |
20100078933 | Clamping Flange Arrangement for Connecting an Exhaust System to an Internal Combustion Engine - A connection of an exhaust manifold section to an opening of an internal combustion engine block generally consisting of an end portion of the exhaust manifold received in a recess of the engine block opening in engageable and sealing relation with a surface thereof, and portions received in diametrically opposed undercuts of the recess; a threaded bolt having an axis disposed in a plane of and at an acute angle to a centerline of the exhaust manifold section, and an end portion engaging the exhaust manifold section; a bearing element in which the bolt is threaded having an arcuate surface disposed radially relative to an axis disposed at a right angle to the axis of the bolt and a section of the engine block having a recess in which the bearing element is disposed, having an arcuate bearing surface engaged by the arcuate surface of the bearing element. | 04-01-2010 |
20100288224 | INTERNAL COMBUSTION ENGINE HAVING A CYLINDER CRANKCASE AND A V-SHAPED CYLINDER CONFIGURATION - An internal combustion engine having a cylinder crankcase and a v-shaped cylinder configuration and having a lubricant circuit which operates according to the dry sump principle and has a lubricant reservoir, wherein the lubricant reservoir is located within the cylinder crankcase in the space between the cylinders. | 11-18-2010 |