Patent application number | Description | Published |
20090045344 | Radiation converter, detector module, methods for the production thereof, and a radiation detection device - A radiation converter is disclosed. In order to improve the detection of x-ray radiation or gamma radiation, at least one embodiment of the invention provides that, in the case of the radiation converter with a plurality of converter elements for converting x-ray radiation or gamma radiation to light, in each case one light outlet window is formed on a light outlet side of the converter elements such that, on the light outlet side, the converter elements are covered in part by reflector material in a layered fashion. | 02-19-2009 |
20090050818 | Method for determining individual quantum absorption events in a radiation converter for converting individual quanta of ionizing radiation incident on it, program code segment for carrying out the method, device for electronic data processing, radiation converter and imaging tomography scanner - A method is disclosed for determining individual quantum absorption events in a radiation converter which counts quanta. In at least one embodiment of the method, temporally continuous analog-to-digital conversion of electrical signals generated by a quantum absorption event to a digital signal is carried out first of all by the radiation converter. The digital signal is then processed to determine the number of quanta of the underlying quantum absorption event absorbed in the radiation converter. | 02-26-2009 |
20090121142 | Radiation detector module, radiation detector and imaging tomography device - An embodiment of the invention relates, in particular, to a radiation detector module for producing a radiation detector for computed tomography, having a first operating mode for quantitative and/or energy-selective detection of x-radiation. An embodiment relates to a radiation detector module including a scintillation layer for converting the x-radiation into light, and a photodetection unit for detecting the light, the photodetection unit including a multiplicity of silicon photomultipliers. | 05-14-2009 |
20090194703 | Method and circut arrangement for determining the radiation intensity using directly counting detectors - A method and a circuit arrangement are disclosed for determining radiation intensity using counting detectors or detector elements, in which x-ray radiation photons, which are either absorbed or absorbed in part, generate electrical signals, the pulse number and pulse height of which is correlated to an incident radiation intensity, and the radiation intensity is at least determined by counting the pulses. According to at least one embodiment of the invention, the signal pulses incident on at least one detector or detector element are detected simultaneously by at least one continuously operating pulse height discriminator and by at least one pulse height discriminator operating in a clocked fashion, with the number of incident signal pulses being determined with the aid of these two items of detection information. | 08-06-2009 |
20090257549 | Method for preparing reconstructed CT image data records and CT system - A method and CT system are disclosed for preparing reconstructed CT image data records. In at least one embodiment of the method, an initial material distribution of an examination object is determined from CT data records determined from among at least two different spectral weightings with local energy-determined attenuation values, and local measurement-spectrum-dependent weighting functions are determined using this material distribution, enabling local measurement-spectrum-dependent attenuation functions to be calculated, and the distribution of local reference materials to be determined, with the help of plausibility considerations, from a list of reference materials over at least one specified region of interest in the examination object on the basis of previously calculated local measurement-spectrum-dependent attenuation functions. | 10-15-2009 |
20100034345 | Radiation converter and method for producing the same, radiation detector and tomography device - A radiation converter is disclosed. In at least one embodiment, the converter is for x-ray or gamma radiation and includes a multiplicity of scintillation elements which are separated from one another by separating septa. To reduce cross-talk between adjacent scintillation elements, the separating septa have a layer structure. The layer structure includes two backscatter layers, between which an absorber layer which is essentially opaque to the radiation, to scatter radiation and/or scintillation light is disposed. | 02-11-2010 |
20100220834 | Method for Producing Projective and Tomographic Images Using an X-Ray System - An embodiment of the present invention discloses a method for producing projective and tomographic images using X-rays, allowing structures of similar composition to be imaged particularly well by combined evaluation of the behaviour of the test object with respect to the phase displacement during passage of the X-rays and its absorption. At least one embodiment of the invention also relates to an X-ray system and a CT system with respective source grids, phase grids, and analytical grids for carrying out the method. | 09-02-2010 |
20100232568 | X-RAY OR GAMMA RAY DETECTOR ARRAY - An X-ray or gamma ray detector array is disclosed, with at least one row of detector elements including at least one layer made of an X-ray or gamma radiation absorbing conversion material. In at least one embodiment, the conversion material is at least in part composed of a chemical element with an atomic number ≧72, preferably >82. Such an X-ray or gamma ray detector array allows an increased spatial and spectral resolution and better dose usage. | 09-16-2010 |
20130021034 | MAGNETIC RESONANCE DEVICE - A magnetic resonance device having a tunnel for accommodating a patient is disclosed. The magnetic resonance device has a lining which clads both the tunnel and the end faces adjacent to it. At least one OLED, LCD or LED display panel is movably disposed on or in the lining cladding the tunnel or the lining cladding the end face. The display panel disposed in the tunnel is disposed on a bracket which can travel linearly along the lining and/or along the circumference of the lining. The display panel disposed on the end-face lining can travel and/or be tilted vertically. | 01-24-2013 |
20130027035 | METHOD FOR RECORDING MAGNETIC RESONANCE DATA WITH A MAGNETIC RESONANCE FACILITY - A method for recording magnetic resonance data with a magnetic resonance facility is proposed. Protons and sodium are excited. A proton magnetic resonance data record and a sodium magnetic resonance data record are recorded. The proton magnetic resonance data and the sodium magnetic resonance data are recorded during a single recording process. | 01-31-2013 |
20130109955 | CONTROL UNIT AND MEDICAL EXAMINATION APPARATUS | 05-02-2013 |
20130109965 | MEDICAL EXAMINATION APPARATUS | 05-02-2013 |
20130109966 | CONTROL UNIT AND MEDICAL EXAMINATION APPARATUS HAVING A CONTROL UNIT | 05-02-2013 |
20130165775 | MEDICAL INJECTION DEVICE AND METHOD FOR CONTROLLING THE MEDICAL INJECTION DEVICE - An injection device and methods for controlling the injection device are provided. Patient data for a patient to be treated are provided and an injection preparation (injectable) used in the injection device is automatically identified by the injection device automatically reading a label provided on a container of the injection preparation. Furthermore, contraindications for an identified injection preparation are determined. The patient data are compared with the any contraindication that has been determined At least one protective measure is adopted to prevent the injection when at least one contraindication matches the patient data. According to another variant of the method, patient data for a patient to be treated and contraindications for the injection preparations (injectables) available for a selection are established. The patient data are compared with the contraindications, wherein at least one injection preparation is suggested which contraindications do not match the patient data. | 06-27-2013 |
20130200893 | Determination of a Measuring Sequence for a Magnetic Resonance System - A method and a measuring-sequence-determining device for determining a measuring sequence for a magnetic resonance system based on at least one intra-repetition-interval time parameter are provided. During the determination of the measuring sequence in a gradient-optimization method, gradient-pulse parameters of the measuring sequence are automatically optimized to reduce at least one gradient-pulse-parameter maximum value. As a boundary condition in the gradient-optimization method, the intra-repetition-interval time parameter is kept constant at least within a specified tolerance value. | 08-08-2013 |
20130229181 | Magnetic Resonance Facility Having a Cylindrical Patient Receiving Unit and Patient Capsule - A magnetic resonance facility having a cylindrical patient receiving unit includes a high-frequency shield. The high-frequency shield is disposed to enclose the patient receiving unit and shield at least one high-frequency coil from a gradient coil arrangement. The high-frequency shield is extendable to form a shielded chamber that shields the high-frequency coil from high-frequency signals outside the shielded chamber. | 09-05-2013 |
20130237822 | COMBINED RADIOTHERAPY ULTRASOUND DEVICE - In order to minimize radiation directed to a region outside of a target volume of a patient during a radiation therapy and minimize the cost of an image-guided particle therapy system, the particle therapy system includes an ultrasound device having at least one ultrasound transducer positioned abutting or adjacent to an external surface of the patient. The ultrasound device and thus the ultrasound transducer are positioned outside of a beam path of a particle beam between a radiotherapy device generating the particle beam, and the target volume. The ultrasound device is operable to generate data representing the target volume and/or a region outside of the target region while the radiotherapy device directs the particle beam to the target volume. The particle therapy system includes a processor operable to control the radiotherapy device based on a comparison between the generated data representing the target volume and a predetermined treatment plan. | 09-12-2013 |
20130296688 | METHOD FOR EVALUATING A PET DATASET IN RELATION TO A NEUROTRANSMITTER AND / OR NEUROMODULATOR - A method is disclosed for evaluating a PET dataset with information concerning spatial distribution of a neurotransmitter and/or a neuromodulator in the brain of a patient wherein, in addition to the PET dataset, an especially morphometric magnetic resonance image dataset is recorded, which is or will be registered with the PET dataset. Concentration data of the spatial distribution is assigned to at least one specific region of the brain, especially to a nucleus, taking into account the magnetic resonance image data, for establishing result data assigned to the region. | 11-07-2013 |
20130320975 | METHOD AND DEVICE FOR DETERMINING A CHANGE OVER TIME IN A BIOMARKER IN A REGION TO BE EXAMINED - A method for determining a change over time in a biomarker in a region to be examined of a patient is provided. The change is determined from magnetic resonance data using a magnetic resonance measuring system with sequences and protocols for measuring the biomarkers by functional resting state connectivity by rsfMRI, perfusion values, magnetic resonance spectra of voxels, or morphometry of organs. A control unit has programs which evaluates the biomarker and a data memory which stores the results of the evaluation and additional data. During a first examination, a quantity result of the biomarkers is determined and stored in the data memory. During a follow-up examination, at least one previous item of the result and additional data from the first examination stored in the data memory are used for determining a quantitative change in the biomarker. | 12-05-2013 |
20140002086 | Local Coils | 01-02-2014 |
20140021949 | Control of a Pressure of a Local Coil in Relation to an Object Under Examination - A local coil system for a magnetic resonance imaging system and a magnetic resonance imaging system include a local coil. The local coil includes a pressure element that may be filled with a fluid, and a controllable fluid supply device that at least at the imposition of the local coil to the object under examination and/or during the operation of the local coil, is coupled to the pressure element. The controllable fluid supply device is embodied such that the pressure of the pressure elements attained with the aid of the fluid, imposed on the object under examination may be changed, at least area by area. | 01-23-2014 |
20140217293 | METHOD FOR GENERATING A PET OR SPECT IMAGE DATASET AND HYBRID IMAGING MODALITY FOR THIS PURPOSE - A method is disclosed for generating a PET or SPECT image dataset. In an embodiment, the method includes acquiring a plurality of PET or SPECT measurement signals from an examination region; acquiring a plurality of anatomy image datasets that show the examination region using a second imaging modality at the same time as acquiring the PET or SPECT measurement signals; determining the similarity of a reference anatomy image dataset acquired at a time point t′ using the second imaging modality to at least one anatomy image dataset acquired at a different time point and/or predetermining a temporal weighting function; and generating a PET or SPECT image dataset taking into account the similarity of the anatomy image datasets and/or weighting the PET measurement signals temporally. A hybrid imaging modality is also disclosed. | 08-07-2014 |
20140221812 | Medical Imaging Apparatus with a Movement Detection Unit and a Method for Detecting Patient Movement - A medical imaging apparatus includes a detector unit, a patient-receiving region enclosed by the detector unit in a cylindrical manner, and a movement detection unit. The movement detection unit has at least one acceleration sensor unit to detect movement of a patient. the at least one acceleration sensor unit has a fastening element to fasten the at least one acceleration sensor unit to a subregion of the patient relevant to a medical imaging examination. | 08-07-2014 |
20140288348 | RADIOTHERAPY TREATMENT DEVICE COMPRISING IMAGE ACQUISITION DEVICE AND IRRADIATION DEVICE, AND RADIOTHERAPY METHOD - 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. | 09-25-2014 |
20140296697 | METHOD FOR DISPLAYING SIGNAL VALUES OF A COMBINED MAGNETIC RESONANCE POSITRON EMISSION TOMOGRAPHY DEVICE AND A CORRESPONDINGLY EMBODIED MAGNETIC RESONANCE POSITRON EMISSION TOMOGRAPHY DEVICE - A method, a computer program product and a computer-readable storage medium are disclosed for displaying signal values of a combined magnetic resonance positron emission tomography device. In at least one embodiment, the spatial correspondence of signal values, which result from a magnetic resonance measurement, and of signal values, which result from a positron emission tomography measurement, are used and the corresponding signal values are arranged in matrix form and displayed graphically as a multi-dimensional scatter plot. | 10-02-2014 |
20140336498 | MEDICAL IMAGING SYSTEM HAVING A MAGNETIC RESONANCE IMAGING UNIT AND A POSITRON EMISSION TOMOGRAPHY UNIT - A medical imaging system includes a magnetic resonance imaging unit including a magnet unit and a patient receiving area surrounded by the magnet unit, wherein the magnet unit includes a main magnet, a gradient coil unit and a radio-frequency antenna unit. In at least one embodiment, the medical imaging system further includes a positron emission tomography unit including at least two positron emission tomography detector modules. The at least two positron emission tomography detector modules each include a detector surface. Further, the radio-frequency antenna unit is disposed outside an area disposed between an examination area and the detector surfaces. | 11-13-2014 |
20140336499 | METHOD FOR CREATING A DETAILED ATTENUATION VALUE MAP FOR A LIMITED BODY REGION - A method, medical imaging device and computer program product are disclosed for creating a detailed attenuation value map for a limited body region of a patient for a positron emission tomography examination. In an embodiment, the method includes an acquisition of first attenuation value data from a first attenuation value measurement of the limited body region; an ascertainment of at least one mean attenuation value based upon the first attenuation value data for the limited body region; an acquisition of second attenuation value data from a second attenuation value measurement of the limited body region; an ascertainment of local correction values based upon the second attenuation value data for the limited body region; and a determination of the detailed attenuation value map for the limited body region based upon the at least one mean attenuation value and based upon the local correction values. | 11-13-2014 |
20150025359 | METHOD FOR EVALUATION AND COMPARISON OF A CHRONOLOGICAL SEQUENCE OF COMBINED MEDICAL IMAGING EXAMINATIONS AND ALSO A MEDICAL IMAGING SYSTEM WHICH IS DESIGNED FOR EXECUTING THE INVENTIVE METHOD - A method is disclosed for evaluating and comparing a chronological sequence of at least two combined medical imaging examinations, wherein a combined medical imaging examination is carried out in each case by way of a first imaging apparatus and by way of a second imaging apparatus which is formed by a Positron Emission Tomography apparatus. On the basis of the image data captured by the first imaging apparatus, a transformation specification is created and this is applied to the image data captured by the Positron Emission Tomography apparatus, so that a direct comparison of the first and second image data captured by way of the Positron Emission Technology apparatus is made possible. | 01-22-2015 |
20150025371 | METHOD FOR DISPLAYING IMAGE DATA OF BODY REGIONS OF A PATIENT, THE BODY REGIONS BEING PRONE TO DEMENTIA, AND A MEDICAL IMAGING SYSTEM WHICH IS DESIGNED TO CARRY OUT THE METHOD - A method is disclosed for displaying image data of body regions of a patient using a medical imaging system including a first imaging apparatus and a positron emission tomography apparatus, the body regions being prone to dementia. The method includes provision of first image data recorded using the first imaging apparatus; provision of second image data recorded using the positron emission tomography apparatus, the first image data and the second image data being recorded simultaneously or at short intervals of time consecutively; segmentation of the first image data in respect of body regions prone to dementia, a segmentation mask being generated to this end on the basis of the first image data; generation of results data, the results data including a selection of voxels in the second image data made using the segmentation mask; and display of the results data. | 01-22-2015 |
20150051476 | METHOD FOR AN EVALUATION OF FIRST IMAGE DATA OF A FIRST IMAGING EXAMINATION AND SECOND IMAGE DATA OF A SECOND IMAGING EXAMINATION AND ALSO A MEDICAL IMAGING SYSTEM WHICH IS DESIGNED FOR CARRYING OUT THE METHOD - A method is disclosed for an evaluation of first image data of a first imaging examination and second image data of a second imaging examination on a patient. In an embodiment, the method includes a provision of first image data of the first imaging examination captured by way of a first imaging apparatus; a provision of second image data of the second imaging examination captured by way of a second imaging apparatus; a determination of first dynamic data on the basis of the first image data as a function of a time; a determination of second dynamic data on the basis of the second image data as a function of a time; and a determination of correlated data of a correlation of the first dynamic data with the second dynamic data. | 02-19-2015 |