Patents by Inventor Andreas Krug

Andreas Krug 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).

  • Patent number: 11047939
    Abstract: A magnetic resonance device comprising a gradient coil assembly having gradient coils is described. The gradient coils are supported by at least one cylindrical coil carrier for generating gradient fields. As part of the gradient coil assembly, at least one vibration sensor is provided for measuring vibrations of the gradient coil assembly at least in a radial direction of oscillation.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: June 29, 2021
    Assignee: Siemens Healthcare GmbH
    Inventors: Peter Dietz, Annette Stein, Andreas Krug, Stefan Popescu
  • Patent number: 10955501
    Abstract: A magnetic resonance system includes a magnet device, which is arranged in an outer housing and an inner housing located therein. A monitoring method includes determining a value of a vibration amplitude of the outer housing or an intermediate housing located between the inner housing and the outer housing at a vibration frequency; providing a transmission ratio between the vibration amplitude and the operating parameter at the vibration frequency; and determining a value of the operating parameter as a function of the determined value of the vibration amplitude by means of the transmission ratio.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: March 23, 2021
    Assignee: Siemens Healthcare GmbH
    Inventors: Peter Dietz, Andreas Krug, Christopher Stroehlein, Karsten Wicklow
  • Patent number: 10890637
    Abstract: A gradient coil for magnetic resonance imaging has at least two conductors that are independent of one another, designed to jointly generate a magnetic field gradient and a magnetic field of a higher order in the examination region of a magnetic resonance scanner.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: January 12, 2021
    Assignee: Siemens Healthcare GmbH
    Inventors: Sascha Fath, Andreas Krug
  • Publication number: 20200142015
    Abstract: A magnetic resonance system includes a magnet device, which is arranged in an outer housing and an inner housing located therein. A monitoring method includes determining a value of a vibration amplitude of the outer housing or an intermediate housing located between the inner housing and the outer housing at a vibration frequency; providing a transmission ratio between the vibration amplitude and the operating parameter at the vibration frequency; and determining a value of the operating parameter as a function of the determined value of the vibration amplitude by means of the transmission ratio.
    Type: Application
    Filed: November 6, 2019
    Publication date: May 7, 2020
    Applicant: Siemens Healthcare GmbH
    Inventors: Peter Dietz, Andreas Krug, Christopher Stroehlein, Karsten Wicklow
  • Publication number: 20200041589
    Abstract: A magnetic resonance device comprising a gradient coil assembly having gradient coils is described. The gradient coils are supported by at least one cylindrical coil carrier for generating gradient fields. As part of the gradient coil assembly, at least one vibration sensor is provided for measuring vibrations of the gradient coil assembly at least in a radial direction of oscillation.
    Type: Application
    Filed: August 1, 2019
    Publication date: February 6, 2020
    Applicant: Siemens Healthcare GmbH
    Inventors: Peter Dietz, Annette Stein, Andreas Krug, Stefan Popescu
  • Patent number: 10401451
    Abstract: In a method for actuating a shim coil arrangement of a magnetic resonance data acquisition scanner that has a shim controller that operates said shim coil arrangement, and a gradient coil arrangement operated by a gradient controller, the gradient controller determine a gradient pulse shape, in accordance with specifications of a magnetic resonance data acquisition sequence, that is activated by the gradient coil arrangement, when the sequence is executed in said scanner. A modifies the gradient pulse shape and provides the modified gradient pulse shape to the shim controller and the shim controller generates shim settings dependent on the modified gradient pulse shape, and actuates said shim coil arrangement according to the shim settings during activation of the gradient pulse shape by the gradient coil arrangement during execution of the sequence in said scanner.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: September 3, 2019
    Assignee: Siemens Healthcare GmbH
    Inventors: Andrew Dewdney, Eva Eberlein, Andreas Krug
  • Patent number: 10330756
    Abstract: In a method and an apparatus for magnetic resonance tomography, an eddy current field is compensated by taking into account its progression over time and its dependence on a sensed value, by having a sensor determine the sensed value and, on the basis of the sensed value, a current strength for a conductor in order to generate an opposing field to reduce the eddy current field is determined, and supplied to the conductor.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: June 25, 2019
    Assignee: Siemens Healthcare GmbH
    Inventors: Stephan Biber, Matthias Gebhardt, Andreas Krug
  • Publication number: 20190033405
    Abstract: A gradient coil for magnetic resonance imaging has at least two conductors that are independent of one another, designed to jointly generate a magnetic field gradient and a magnetic field of a higher order in the examination region of a magnetic resonance scanner.
    Type: Application
    Filed: July 27, 2018
    Publication date: January 31, 2019
    Applicant: Siemens Healthcare GmbH
    Inventors: Sascha Fath, Andreas Krug
  • Publication number: 20170160357
    Abstract: In a method and an apparatus for magnetic resonance tomography, an eddy current field is compensated by taking into account its progression over time and its dependence on a sensed value, by having a sensor determine the sensed value and, on the basis of the sensed value, a current strength for a conductor in order to generate an opposing field to reduce the eddy current field is determined, and supplied to the conductor.
    Type: Application
    Filed: December 2, 2016
    Publication date: June 8, 2017
    Applicant: Siemens Healthcare GmbH
    Inventors: Stephan Biber, Matthias Gebhardt, Andreas Krug
  • Publication number: 20170131372
    Abstract: In a method for actuating a shim coil arrangement of a magnetic resonance data acquisition scanner that has a shim controller that operates said shim coil arrangement, and a gradient coil arrangement operated by a gradient controller, the gradient controller determine a gradient pulse shape, in accordance with specifications of a magnetic resonance data acquisition sequence, that is activated by the gradient coil arrangement, when the sequence is executed in said scanner. A modifies the gradient pulse shape and provides the modified gradient pulse shape to the shim controller and the shim controller generates shim settings dependent on the modified gradient pulse shape, and actuates said shim coil arrangement according to the shim settings during activation of the gradient pulse shape by the gradient coil arrangement during execution of the sequence in said scanner.
    Type: Application
    Filed: November 9, 2016
    Publication date: May 11, 2017
    Applicant: Siemens Healthcare GmbH
    Inventors: Andrew Dewdney, Eva Eberlein, Andreas Krug
  • Patent number: 9638775
    Abstract: A connecting device for a magnetic system of an imaging system includes a holding element for connection of the connecting device to a power supply connection of the magnetic system, and a connecting element for connection of the connecting device to a power supply cable for operation of the magnetic system. The connecting device also includes an oscillation damping device having a spring element. The oscillation damping device is operable to dampen oscillations of the magnetic system that act on the connecting device by way of the holding element, with respect to the connecting element.
    Type: Grant
    Filed: October 4, 2012
    Date of Patent: May 2, 2017
    Assignee: Siemens Aktiengesellschaft
    Inventors: Peter Dietz, Andreas Krug, Joerg Riegler
  • Patent number: 9229078
    Abstract: The present embodiments relate to a method for reducing mechanical vibrations in a magnetic resonance imaging system that includes a gradient system having a gradient coil body and an electrically conductive shroud that at least partly encloses the gradient coil body. The method includes determining a mechanical natural vibration mode of the gradient coil body in the magnetic resonance imaging system, and determining excitation force components for the natural vibration mode. The method also includes determining electrically conductive areas of the gradient system, which during operation of the magnetic resonance imaging system, generate a Lorentz force component that contributes to the excitation force components. The method further includes modifying the determined electrically conductive areas such that a minimal number of the Lorentz force components coincide with the excitation force components.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: January 5, 2016
    Assignee: Siemens Aktiengesellschaft
    Inventors: Peter Dietz, Andreas Krug
  • Patent number: 8963548
    Abstract: A cylindrical gradient coil arrangement is provided for a magnetic resonance device. The arrangement includes at least one conductive structure that forms at least one gradient coil and a cooling device that uses a cooling fluid to cool the at least one conductive structure. The arrangement includes an outer carrier structure and an inner carrier structure. The outer carrier structure includes two tubular, coaxial outer sections with different diameters. The inner, tubular carrier structure is arranged between and coaxially with the outer sections. The conductive structure is placed on the inner carrier structure. The inner carrier structure is spaced from the outer sections by a clearance. The clearance forms a cooling channel through which the cooling fluid of the cooling device may flow. The inner carrier structure is fastened to the outer carrier structure at least in a point-by-point manner.
    Type: Grant
    Filed: March 2, 2013
    Date of Patent: February 24, 2015
    Assignee: Siemens Aktiengesellschaft
    Inventors: Ralph Kimmlingen, Andreas Krug
  • Patent number: 8952696
    Abstract: A supply line apparatus for an electrical connection of a gradient coil unit in a magnetic resonance device includes a first supply line unit and a second supply line unit. The second supply unit is disposed at least partially coaxially to the first supply line unit. The first supply line unit and/or the second supply line unit has at least one conducting supply line element. The supply line apparatus includes an oscillation decoupling unit that has at least one oscillation-suppressing supply line element.
    Type: Grant
    Filed: February 9, 2012
    Date of Patent: February 10, 2015
    Assignee: Siemens Aktiengesellschaft
    Inventors: Andreas Krug, Johann Schuster, Stefan Stocker
  • Publication number: 20140155557
    Abstract: The invention relates to the invention provides innovative long-lived and hydrolysis-stable biobased plastics based on polyhydroxyalkanoate (PHA) and featuring sufficient melt stability, a method for producing them and their use.
    Type: Application
    Filed: May 2, 2012
    Publication date: June 5, 2014
    Applicant: RHEIN CHEMIE RHEINAU GMBH
    Inventors: Andrea Fruth, Andreas Krug, Bernd Wiloth
  • Patent number: 8694294
    Abstract: In a computerized, automated method to determine the conductor structure of a gradient coil of a magnetic resonance device, the conductor structure is determined depending on the theoretical oscillation response of at least one metallic structure of the magnetic resonance device that is arranged adjacent to the gradient coil at the installation point, with the oscillation response of the metallic structure being determined dependent on theoretical eddy currents generated in the structure by the gradient coil.
    Type: Grant
    Filed: March 17, 2010
    Date of Patent: April 8, 2014
    Assignee: Siemens Aktiengesellschaft
    Inventors: Peter Dietz, Andreas Krug
  • Publication number: 20130229183
    Abstract: A cylindrical gradient coil arrangement is provided for a magnetic resonance device. The arrangement includes at least one conductive structure that forms at least one gradient coil and a cooling device that uses a cooling fluid to cool the at least one conductive structure. The arrangement includes an outer carrier structure and an inner carrier structure. The outer carrier structure includes two tubular, coaxial outer sections with different diameters. The inner, tubular carrier structure is arranged between and coaxially with the outer sections. The conductive structure is placed on the inner carrier structure. The inner carrier structure is spaced from the outer sections by a clearance. The clearance forms a cooling channel through which the cooling fluid of the cooling device may flow. The inner carrier structure is fastened to the outer carrier structure at least in a point-by-point manner.
    Type: Application
    Filed: March 2, 2013
    Publication date: September 5, 2013
    Inventors: Ralph Kimmlingen, Andreas Krug
  • Publication number: 20130162249
    Abstract: The present embodiments relate to a method for reducing mechanical vibrations in a magnetic resonance imaging system that includes a gradient system having a gradient coil body and an electrically conductive shroud that at least partly encloses the gradient coil body. The method includes determining a mechanical natural vibration mode of the gradient coil body in the magnetic resonance imaging system, and determining excitation force components for the natural vibration mode. The method also includes determining electrically conductive areas of the gradient system, which during operation of the magnetic resonance imaging system, generate a Lorentz force component that contributes to the excitation force components. The method further includes modifying the determined electrically conductive areas such that a minimal number of the Lorentz force components coincide with the excitation force components.
    Type: Application
    Filed: December 21, 2012
    Publication date: June 27, 2013
    Inventors: Peter Dietz, Andreas Krug
  • Publication number: 20130090002
    Abstract: A connecting device for a magnetic system of an imaging system includes a holding element for connection of the connecting device to a power supply connection of the magnetic system, and a connecting element for connection of the connecting device to a power supply cable for operation of the magnetic system. The connecting device also includes an oscillation damping device having a spring element. The oscillation damping device is operable to dampen oscillations of the magnetic system that act on the connecting device by way of the holding element, with respect to the connecting element.
    Type: Application
    Filed: October 4, 2012
    Publication date: April 11, 2013
    Inventors: Peter Dietz, Andreas Krug, Joerg Riegler
  • Publication number: 20130037297
    Abstract: A supply line apparatus for an electrical connection of a gradient coil unit in a magnetic resonance device includes a first supply line unit and a second supply line unit. The second supply unit is disposed at least partially coaxially to the first supply line unit. The first supply line unit and/or the second supply line unit has at least one conducting supply line element. The supply line apparatus includes an oscillation decoupling unit that has at least one oscillation-suppressing supply line element.
    Type: Application
    Filed: February 9, 2012
    Publication date: February 14, 2013
    Inventors: Andreas Krug, Johann Schuster, Stefan Stocker