Patent application number | Description | Published |
20080214929 | Method and device for imaging objects - A method for imaging objects is disclosed. In at least one embodiment, the method includes using a first and a second imaging method which differ at least in regard to the spatial resolution or sensitivity. Furthermore, in at least one embodiment, the method includes generating an overview image at least by the first or the second imaging method; simultaneously planning the measurement of the first and the second imaging method on the basis of the overview image; and simultaneously conducting the planned measurements of the first and the second imaging method. A device which conducts at least one embodiment of the method is also disclosed. | 09-04-2008 |
20080219510 | Method and device for imaging cyclically moving objects - A method and a device are disclosed for imaging cyclically moving objects using a first and a second imaging method which differ at least with regard to the spatial resolution or the sensitivity. In at least one embodiment of the process, images of the object are continuously recorded by the first imaging method. Temporally different phases of a movement cycle of the object are extracted from the images recorded by the first imaging method. Images of the object are recorded by the second imaging method. The image data recorded in each case in a same, repeating phase of the of the movement cycle by the second imaging method are summed and temporally assigned to the different phases of the movement cycle. | 09-11-2008 |
20080243759 | Method for image data recording with a medical modality designed for image data recording and associated medical modality - A method for image data recording with a medical modality is provided. Protocols for image data recording using the at least two different image recording techniques are provisioned in a common database. The protocols are organized on the basis of body regions and/or clinical pictures. A body region and/or a clinical picture are selected and at least one protocol is displayed as a function of the selection. At least one display protocol for image data recording from the database is selected by a user and/or automatically, and image data is recorded as a function of the at least one selected protocol. | 10-02-2008 |
20080290281 | Method for data acquisition and/or data evaluation during a functional brains examination with the aid of a combined magnetic resonance/PET unit - A method is disclosed for data acquisition and/or data evaluation during a functional brain examination with the aid of a combined magnetic resonance/PET unit. In at least one embodiment, functional image data of the brain are acquired in at least two activity states with the aid of both modalities. Further, magnetic resonance image data and PET image data are acquired within time windows determined by the activity states, the acquisition mode and/or the image data being synchronized as a function of a timing of stimulations determining the activity states. | 11-27-2008 |
20080298664 | Method for data evaluation - A method is disclosed for data evaluation of first and second measured data records acquired substantially simultaneously with the aid of a combined medical examination device suitable for simultaneous and isocentric acquisition of first measured data, specifically magnetic resonance or computed tomography measured data, and second nuclear medicine measured data, specifically PET measured data or SPECT measured data. In at least one embodiment, the method includes reconstructing a first image data record from the measured data of the at least one first measured data record, reconstructing a second image data record from the measured data of the at least one second measured data record, fusing the image data records as a function of registering the coordinate systems of the first measured data record and of the second measured data record to form a fusion image data record, and displaying and/or storing the fusion image data record. | 12-04-2008 |
20080319305 | Method for determining at least one pet parameter - A method is disclosed for determining at least one PET parameter for a PET examination in a combined magnetic resonance/PET scanner designed for isocentric measurement. In at least one embodiment, at least one acquisition time for the PET examination is determined as a PET parameter from magnetic resonance data, recorded for determining patient-specific examination parameters for a magnetic resonance examination, and/or from at least one patient-specific information value derived therefrom, and is displayed and/or used for controlling the scanner. | 12-25-2008 |
20090005678 | Method for determining and displaying an access corridor to a target area in the brain of a patient - A computer-implemented method is disclosed for determining and displaying an access corridor to a target area in the brain of a patient, as well as an imaging arrangement suited to this. In at least one embodiment, the method includes a) generating a first image of the brain via positron emission tomography, b) discriminating the target area relative to its surroundings via electronic image processing, c) generating a second image of the brain via magnetic resonance imaging while acquiring at least one anatomical structure, d) generating a third image of the brain via an imaging method displaying physiological processes for identifying at least one functional area of the brain that must not be injured in any circumstances, e) determining an access corridor to the target area while omitting the at least one functional area of the brain, and f) generating and displaying a fourth image of the brain in which the target area, the at least one functional area of the brain, the at least one anatomical structure and the access corridor are displayed, wherein steps a) to d) are carried out, one after another in quick succession, in a single frame of reference without repositioning the patient, or are even carried out simultaneously. | 01-01-2009 |
20090018431 | Method and apparatus for imaging functional processes in the brain - A method and an apparatus are disclosed for imaging functional processes in the brain. In order to be able to correlate the results of MEG examinations with anatomical information and metabolic data, a positron emission tomography measurement is recorded in at least one embodiment by at least one radiation detector, a magnetic resonance imaging measurement is recorded by a coil and a radio-frequency antenna device and a magnetoencephalography measurement is recorded by a plurality of magnetic field sensors, the positron emission tomography measurement and the magnetic resonance imaging measurement being substantially undertaken at the same time, so that the records of the positron emission tomography measurement and the magnetic resonance tomography measurement are isocentric. In at least one embodiment, an evaluation apparatus is provided for carrying out a spatial correlation between the magnetoencephalography measurement and the magnetic resonance imaging measurement, so that registration between the magnetoencephalography measurement and the positron emission tomography measurement results. | 01-15-2009 |
20090030304 | Method for detecting a brain region with neurodegenerative change - A computerized method is disclosed for detecting a brain region with neurodegenerative change and also a brain region with vascular change in the brain of a patient and also an imaging arrangement suitable for this. In at least one embodiment, the method includes recording a first data record of the brain via positron emission tomography and a second data record of the brain via magnetic resonance imaging; reconstructing a PET image from the first data record and an MRI image from the second data record; identifying evidence for a brain region with vascular change in the MRI image; segmenting the MRI image into gray matter and white matter; identifying a brain region with neurodegenerative change in the PET image; and superposing the PET image and the segmented MRI image to determine whether the brain region with neurodegenerative change is present in gray matter or in white matter, the recording of the first data record and the second data record being carried out in quick succession without repositioning the patient or is even carried out simultaneously. | 01-29-2009 |
20090037130 | Method for recording measured data from a patient by taking movements into account, and associated medical device - A method is disclosed for recording measured data from a patient by taking movements into account by use of a medical device designed both for recording motion-related measured data, in particular measured data with a high temporal resolution and/or measured data which can be interpolated with regard to movements, using an imaging method and/or by use of at least one sensor element and for recording nuclear medicine measured data, in particular with a relatively low temporal resolution. In at least one embodiment, the method includes recording nuclear medicine measured data by use of the medical device; simultaneously recording motion-related measured data by use of the medical device; determining at least one motion information item relating to at least one movement of the patient and/or at least one movement inside the body of the patient during the ongoing measured data recording by evaluating at least a portion of the previously recorded motion-related measured data by use of a computational device of the medical device; and carrying out motion correction for at least a portion of the nuclear medicine measured data in real-time by use of the computational device in parallel with recording the measured data depending on the at least one determined motion information item. | 02-05-2009 |
20090041318 | Method for recording measured data of a patient while taking account of movement operations, and an associated medical device - A method is disclosed for recording measured data of a patient while taking account of movement operations by way of a medical device that is designed both for recording movement-related measured data, in particular measured data of high temporal resolution and/or measured data that can be interpolated with regard to movement operations, with the aid of an imaging method and/or by means of at least one sensor element, and also for recording nuclear medicine measured data, in particular of lower temporal resolution. In at least one embodiment, the method includes recording nuclear medicine measured data with the aid of the medical device; simultaneously recording movement-related measured data with the aid of the medical device; determining at least one item of movement information relating to at least one movement operation of the patient and/or in the body of the patient by evaluating at least a portion of the recorded measured data of high temporal resolution on the part of a computing device of the medical device; and adapting at least one item of attenuation correction information available for the computing device and serving for reconstructing the nuclear medicine measured data, doing so as a function of the at least one determined item of movement information. | 02-12-2009 |
20090043189 | Mobile combined MRI/PET apparatus - A combined positron emission tomography/magnetic resonance imaging apparatus, in a trailer housing is disclosed, for imaging organs of an examination object in an examination space. In at least one embodiment, the positron emission tomography/magnetic resonance imaging apparatus includes a positron emission tomography apparatus with at least one radiation detector and a magnetic resonance imaging apparatus with at least one main magnetic field coil for generating a main magnetic field, at least one gradient coil for generating a magnetic gradient field, and a radio-frequency antenna device for transmitting excitation pulses and receiving magnetic resonance signals from the examination space, the radiation detector and the at least one gradient coil being arranged coaxially and at substantially the same axial height. In order to create a mobile MRI/PET apparatus which is designed as compactly as possible and, firstly, satisfies the radiation protection requirements for protecting the surroundings of the measurement apparatus to the best possible extent and, secondly, excludes interfering environmental influences on the measurement apparatus, a shielding arrangement with at least one shielding element for attenuating the main magnetic field and the gradient field and also the annihilation radiation outside the trailer housing is provided in at least one embodiment. | 02-12-2009 |
20090048507 | Method and apparatus for imaging functional and electrical activities of the brain - A method and an apparatus for imaging functional and electrical activities of the brain are disclosed. In order to allow improved relative positional determination of the epileptogenic focus with reference to the EEG electrodes, a positron emission tomography measurement using at least one radiation detector, and a magnetic resonance imaging measurement using at least one coil for generating a basic magnetic field, at least one gradient coil and a radio-frequency antenna device are undertaken in at least one embodiment. In addition, in at least one embodiment an electroencephalography measurement using a plurality of electrodes for acquiring spatial and temporal changes of the electrical activities of the brain and a computed tomography measurement using at least one x-ray source and at least one x-ray detector are carried out. By way of an evaluation apparatus in at least one embodiment, a spatial correlation between the computed tomography measurement and the magnetic resonance imaging measurement is undertaken, so as to result in registration between the electroencephalography measurement and the positron emission tomography measurement. | 02-19-2009 |
20090105583 | Method for determining attenuation values for pet data of a patient - A method is disclosed for determining attenuation values for PET data of a patient. In at least one embodiment, the method includes detecting at least one accessory of a magnetic resonance imaging scanner and detecting the position and/or alignment of the accessory by way of an imaging measuring method; comparing the detected accessory with data from a database; and assigning an attenuation map, which is contained in the database, to attenuation values of the detected accessory and adapting the attenuation map to the detected position and/or alignment of the accessory. | 04-23-2009 |
20090182219 | Method for planning a combined examination of an examination object - A method for planning a combined examination of an examination object using two imaging modalities is disclosed, with measurements being taken in at least two regions of the examination object. In at least one embodiment, the method includes planning of at least one measuring protocol of the first modality, which includes at least one measurement in a first of the regions and at least one measurement in a second of the regions; planning of at least one measuring protocol of the second modality, which comprises at least one measurement in the first region; and automatic production of a combined measuring sequence by arranging the measurements in such a manner that carrying out the measuring sequence taking into account modality preparations to be carried out between measurements takes as little time as possible. | 07-16-2009 |
20090276725 | METHOD AND USER INTERFACE FOR THE GRAPHICAL PRESENTATION OF MEDICAL DATA - A method and a user interface for the implementation of a medical examination with at least one imaging device operated by determination and input of a group of measurement parameters via an input device of the user interface, generation of spatially resolved image information with the at least one imaging device depending on the group of measurement parameters, and storage of the image information on a storage medium, presentation of the image information as a data symbol on a screen of the user interface, Multiple data symbols are presented in a predetermined arrangement on the screen for a medical assessment. In order to be able to clearly present all data of a patient that are acquired in imaging methods in an accessible and manipulable manner, the data symbols are arranged on the screen by a control unit depending on at least three display parameters. | 11-05-2009 |
20110082361 | METHOD FOR CONTROLLING AN IMAGING EXAMINATION SYSTEM - A method is disclosed for controlling an imaging examination system for examination of a patient. In at least one embodiment, the imaging examination system includes a first imaging examination device with a first isocenter and a second imaging examination device with a second isocenter. The examination system further includes an examination table which can be positioned in respect of the isocenters. In at least one embodiment of the method, an examination region of the patient is determined and at least one examination table position and a first field of view in respect of the first isocenter and a second field of view in respect of the second isocenter is automatically determined as a function of the examination region and the isocenters such that, in the examination table position, a capture of a first item of image information in the first field of view with the first imaging examination device and a capture of a second item of image information in the second field of view with the second imaging examination device is possible. | 04-07-2011 |