Patents by Inventor Andreas Lutz

Andreas Lutz has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20030026390
    Abstract: A correction method is used for reducing artifacts caused by structures of high x-ray absorption in computer tomography images. By such a method, it is possible for interfering objects to be found both automatically and interactively in a computer tomography image. Relatively large interfering objects are preferably split up into a plurality of smaller interfering objects. The computer tomography image for each pixel of a selected image region is filtered as a function of its position relative to the interfering object.
    Type: Application
    Filed: July 24, 2002
    Publication date: February 6, 2003
    Inventor: Andreas Lutz
  • Patent number: 6266553
    Abstract: In a computed tomography apparatus, and a method for operating same, for obtaining cardiac images, a spiral scan of a measurement volume containing a patient's heart is conducted, the production of the scanning data during the spiral scanning being synchronized with an ECG signal from the patient, in order to produce a graphic representation of the examination volume, and thus an image of the patient's heart. The ECG signal is employed to control the generation of the data during the spiral scanning at phase of the cardiac cycle wherein minimum movement of the heart takes place. The chronological correlation between the recording of the scanning data and the ECG signal is fixed, so that within each number of successive time intervals, a dataset is obtained completely within that time interval. The datasets from the successive time intervals are then combined to produce an image of the heart.
    Type: Grant
    Filed: September 11, 1998
    Date of Patent: July 24, 2001
    Assignee: Siemens Aktiengesellschaft
    Inventors: Manfred Fluhrer, Klaus Klingenbeck-Regn, Andreas Lutz, Judith Regn
  • Patent number: 5834056
    Abstract: The invention relates to a fibre bundle impregnating process, in which the fibre bundle is placed on a support and the support, together with the fibre bundle thereon, is moved past an impregnating device. In this process the fibre bundle is supported during the impregnation process and consequently a fibre-reinforced plastic is produced, fibre breaks being largely avoided during its production. One of the possible variants of the inventive concept comprises an impregnating wheel, which receives the fibre bundle and leads it past an impregnating device.
    Type: Grant
    Filed: November 7, 1996
    Date of Patent: November 10, 1998
    Assignee: Institut Fuer Verbundwerkstoffe GmbH
    Inventor: Andreas Lutz
  • Patent number: 5832051
    Abstract: In a method and an apparatus for the radiological examination of individual cardiac phases of a patient, an X-ray beam is rotated around and penetrates the heart of a patient from various angular positions and the attenuated X-ray beam strikes a radiation detector. The cardiac rhythm of the patient is determined in order to set the rotation time of the X-ray beam around the patient and to produce various control signals synchronized to the cardiac rhythm of the patient, so that radiological exposures of various cardiac phases are possible for the duration of a measurement interval. The setting of the rotation time of the X-ray beam so that the rotation time is larger or smaller, by the measurement interval, than the cycle time of the cardiac rhythm of the patient, so that after a few rotations there is a phase displacement of 360.degree. between the rotating X-ray beam and the cardiac rhythm of the patient.
    Type: Grant
    Filed: May 1, 1997
    Date of Patent: November 3, 1998
    Assignee: Siemens Aktiengesellschaft
    Inventor: Andreas Lutz