Patent application number | Description | Published |
20080212741 | Method for automatic evaluation of scan image data records - A method is disclosed for automatic evaluation of tomographic image data records of a patient. In at least one embodiment, a scan of a patient being carried out using a tomography system, a three-dimensional tomographic image data record of at least a part of the patient is reconstructed, the spatial position and orientation of vertebrae is then determined, and medically relevant slice areas are determined automatically with a previously defined diagnostic question relating to the position, orientation and extent of spinal column diagnosis. Finally, with slice images of the relevant slice areas are produced and displayed. In addition, in at least one embodiment, a tomography system includes a computation unit with a memory for program code, with the memory also being used to store a program code which carries out the method steps of the method according to at least one embodiment of the invention during operation. | 09-04-2008 |
20080212862 | Method for displaying computed-tomography scans, and a computed-tomography system or computed-tomography system assembly for carrying out this method - At least one embodiment of the invention relates to a method and/or a computed-tomography system and/or a computed-tomography system assembly for displaying tomographic records, with a first computed-tomography display data record displaying structures of a first type and of a second type by way of a complex recording technique, with an area of interest with structures of a second type being marked there and with relative positions of the structures being determined, with a second computed-tomography display data record subsequently being created by a simpler recording technique, in which only structures of the first type can be identified, and the structures of the second type are made visible in this display on the basis of the known relative positions with respect to the visible structures of the first type or at least their position, or a surrounding boundary. | 09-04-2008 |
20080292048 | Method, tomography system and image processing system for displaying tomographic records of a patient - A method and a tomographic system are disclosed for displaying tomographic records of a patient. In at least one embodiment, the method includes scanning the patient with the aid of a tomographic system having one system axis, determining at least one topogram, calculating three-dimensional image data records including a multiplicity of slice images on a plane or volume data records, and outputting at least one slice image of the patient. In at least one embodiment, the orientation of individual body zones relative to the system axis of the tomographic system is automatically determined from the at least one topogram, and slice images of the body zones are calculated from the three-dimensional image data records, the slice planes of which are at a defined solid angle to the previously determined orientation of the scanned body zones. | 11-27-2008 |
20080306381 | Method for optimizing the time sequence of examinations with the aid of a tomography system having a control unit by using contrast agents, a tomography system and contrast agent injector - A method, a tomography system and a contrast agent injector for optimizing the time sequence of contrast agent examinations are disclosed, an automatically controlled text announcement system being used for instructing the behavior of a patient before or during the examination, and it being possible for a multiplicity of different announcement texts of different announcement duration to be temporally triggered and announced by the text announcement system. In at least one embodiment, on the basis of the announcement duration of one announcement text to be announced during the examination, the temporal behavior of this text relative to the work sequence of the contrast agent injector and/or of the tomography system is calculated, and inserted in the timing of the contrast agent injector via an electronic connection between the tomography system and the contrast agent injector is one time pause that leads to a synchronization of the work sequence of the contrast agent injector with the announcement duration of the current text announcement in such a way that the text announcement ends at a predetermined triggering instant of the combined work sequence of the tomography system and contrast agent injector. | 12-11-2008 |
20090112083 | METHOD AND SYSTEM FOR CORRELATING TOMOGRAPHICALLY CONTROLLED INTERVENTIONAL PROCEDURES WITH PATIENT POSITION IN THE RESPIRATORY CYCLE - In a method and an imaging system for implementing a CT-assisted or MRT-assisted minimally-invasive interventional procedure at an anatomical location inside the body of a patient, the inspiratory or respiratory position of the patient within the respiratory cycle of the patient is continuously detected and a measurement value, identifying a current position of the patient within the respiratory cycle, is detected at a point in time that a CT or MRT slice image of the anatomical location is obtained. This measurement value is stored together with the image data of the slice image so that the measurement value and the image data can be retrieved together and displayed together. | 04-30-2009 |
20090285357 | Automatic Patient Positioning System - A patient positioning system for positioning a patient relative to radiographic equipment. The system includes: a 3D optical imaging system for optically scanning the patient, such 3D optical imaging system having a focal plane and providing, for each position on the object, data representative of the intensity of reflected energy received by the system from such position and data representative of distance from such position on the object to the focal plane; a table apparatus for supporting the patient and for moving the table relative to the radiographic equipment in response to positioning signals; and a processor responsive to data from the radiographic equipment and the data from the a 3D optical imaging system for producing the positioning signals. The system enables a method for displaying temporal changes in a patient positioned with a bore of radiographic equipment. | 11-19-2009 |
20120250820 | METHOD, IMAGE PROCESSING DEVICE AND COMPUTED TOMOGRAPHY SYSTEM FOR OBTAINING A 4D IMAGE DATA RECORD OF AN OBJECT UNDER EXAMINATION AND COMPUTER PROGRAM PRODUCT WITH PROGRAM CODE SECTIONS FOR CARRYING OUT A METHOD OF THIS KIND - A method is disclosed for obtaining a 4D image data record of an object under examination using measured data from a computed tomography system in which projection data are accepted which were acquired by way of the computed tomography system at different imaging time points by way of an helical scan method following the administration of contrast medium to the object under examination). On the basis of the projection data, image data of the object under examination are then reconstructed and linked with the imaging time points to a space/time data record. Then, a parameterized 4D image data model is individualized with adaptation to the space/time data record by varying model parameters. An image processing device and a computed tomography system with an image processing device of this kind are also described. | 10-04-2012 |
20120300896 | METHOD AND COMPUTED TOMOGRAPHY SYSTEM FOR GENERATING TOMOGRAPHIC IMAGE DATASETS - A method and a computed tomography system are disclosed for generating tomographic image datasets of a measurement object with multiple simultaneously operable sets of detector elements. In at least one embodiment, at least one first set measures incident radiation over the entire energy spectrum of the incident radiation in an integrating manner and at least one second set measures incident radiation in at least two energy ranges in a resolving manner, wherein furthermore by way of the integrating measurements, the energy-resolving measurements relating in each case to rays traversing a measurement object in a spatially identical manner are corrected and a tomographic image dataset of the measurement object is reconstructed at least from the corrected energy-resolving measurements. | 11-29-2012 |
20120300897 | COMPUTED TOMOGRAPHY SYSTEM WITH INTEGRATING AND COUNTING DETECTOR ELEMENTS - A computed tomography system includes at least two simultaneously operatable sets of detector elements, with at least one first set of integrating detector elements being designed for integrating radiation measurement and at least one second set of counting detector elements being designed to disperse an incident radiation spectrum into at least two energy bins; and includes a computer system for controlling the CT system and at least once capturing the measurement data of the detector elements with a memory and computer programs contained therein. The computer system is provided with programming so that a first mode is provided for operating only the at least one first set of integrating detector elements and a second mode is provided for the additional or sole operation of the at least one second set of counting detector elements. | 11-29-2012 |
20120301001 | METHOD AND COMPUTED TOMOGRAPHY SYSTEM FOR GENERATING TOMOGRAPHIC IMAGE DATASETS - A method and a dual-source CT are disclosed. In at least one embodiment, the projection data of the integrating and of the counting detector from a quarter rotation of the gantry is used jointly for reconstruction of a first tomographic image dataset, the energy-resolved projection data of the counting detector from at least one half rotation of the gantry being used for reconstruction of at least a second material-selective tomographic image dataset, and at least one tomographic result image dataset being formed by overlaying the first tomographic image dataset with the material selection of the second image dataset. | 11-29-2012 |
20120301002 | METHOD AND COMPUTED TOMOGRAPHY SYSTEM FOR GENERATING TOMOGRAPHIC IMAGE DATASETS - A method and a computed tomography system are disclosed for generating tomographic image datasets of a measurement object. The computed tomography system includes at least two simultaneously operable sets of detector elements which jointly scan a measurement object from a multiplicity of projection angles in an integrating manner on the one hand and an energy-resolving manner on the other hand. In at least one embodiment, the method includes determining a first projection dataset from measurement data recorded in an integrating manner. Further, at least one second projection dataset is determined from energy-resolved measurement data, and in addition a weighted tomographic result image dataset is calculated based on weighted use of the first and the second projection dataset, the weighting being applied to the projection data or the tomographic image data reconstructed therefrom. | 11-29-2012 |
20130114785 | METHOD FOR THE MEDICAL IMAGING OF A BODY PART, IN PARTICULAR THE HAND - A method is disclosed for the medical imaging of a body part, in particular the hand, wherein, in a tomographic image data record of the body part, points are marked which fix a face of interest running through the body part and which is singly or multiply curved. This curved face, which runs through all marked points, is then determined and the image content of the curved face is determined from the voxels of the image data record. This image content is mapped onto an observation plane which is finally displayed with the mapped image content on a screen. The method enables by way of example image representation of the structures of the left hand relevant to a skeleton examination by way of tomographic imaging. | 05-09-2013 |