Patents by Inventor Alexander Gemmel

Alexander Gemmel 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: 20160082596
    Abstract: A mobile medical apparatus contains a movement device for a moving the entire apparatus. The mobile medical apparatus has a detection device for detecting the movement of the apparatus, a storage device for storing information describing the movement of the apparatus, and a control interface for inputting a control command to the apparatus for repeating a movement in accordance with information describing the movement of the apparatus.
    Type: Application
    Filed: September 22, 2015
    Publication date: March 24, 2016
    Inventors: KARL BARTH, ALEXANDER GEMMEL, SULTAN HAIDER, GERHARD KLEINSZIG, WEI WEI, MARKUS WEITEN
  • Patent number: 9119960
    Abstract: A method for producing an irradiation plan for a target volume includes preparing a modulation curve that characterizes modulation of particle numbers at target points in the target volume that lie one behind another in a direction of the beam. The method also includes determining a current position of the target volume and defining a plurality of target points that fully cover the target volume in the current position. Particle numbers are assigned to the plurality of current target points using the modulation curve.
    Type: Grant
    Filed: December 7, 2012
    Date of Patent: September 1, 2015
    Assignee: Siemens Aktiengesellschaft
    Inventors: Wenjing Chen, Alexander Gemmel, Eike Rietzel
  • Publication number: 20150217139
    Abstract: The present disclosure relates to a method and to an irradiation system for irradiating a moving target volume with an ion beam, in particular for tumor therapy, wherein ion radiography measurements of the target volume are performed and the irradiation for deposition purposes and for radiography purposes is performed with the same ion beam but consecutively in time by alternating the energy of the ion beam between a higher radiography energy and a lower deposition energy using, for example, a passive energy modulator proximal with respect to the patient.
    Type: Application
    Filed: March 5, 2013
    Publication date: August 6, 2015
    Applicant: GSI Helmholtzzentrum Fur Schwerionenforschung GmbH
    Inventors: Christoph Bert, Alexander Gemmel, Robert Luechtenborg
  • Patent number: 9014338
    Abstract: A method for determining a 4D plan for carrying out intensity-modulated radiation therapy of a target volume subject to irregular periodic motion, with a radiation therapy apparatus is provided. The method includes selecting positions of a radiation source. The number of positions is selected to be identical in all 3D radiation therapy plans. The method also includes selecting a number of respective aperture settings assigned to a respective position of the radiation source to be identical in all 3D radiation therapy plans. A geometrical, temporal, and/or dynamic restriction that restricts a change of the aperture from one aperture setting to another aperture setting is predetermined, and the 3D radiation therapy plans are determined such that the 3D radiation therapy plans fulfill predetermined restrictions for aperture settings in each case.
    Type: Grant
    Filed: January 10, 2013
    Date of Patent: April 21, 2015
    Assignee: Siemens Aktiengesellschaft
    Inventors: Thomas Boettger, Johannes Fieres, Alexander Gemmel, Iwan Kawrakow
  • Publication number: 20150100250
    Abstract: The device relates to a method and a device (10) for determining an irradiation plan for a particle irradiation unit (20). In the method, a target volume (6) within a test object (14; 18) is irradiated with a particle beam (16) using the particle irradiation unit (20) according to the irradiation plan. The radiation plan is determined in order to apply the energy of the particle beam (16) according to a predetermined dose distribution in the target volume (6), the target volume (6) and the predetermined dose distribution being pre-set. When determining the irradiation plan, irradiation duration is also taken into account, the irradiation plan being determined such that the irradiation duration is as short as possible.
    Type: Application
    Filed: March 28, 2013
    Publication date: April 9, 2015
    Inventors: Thilo Elsässer, Alexander Gemmel, Thomas Hansmann, Eike Rietzel
  • Patent number: 8859264
    Abstract: A phantom device for in-vitro validation of radiation procedures under motion influence in consideration of an effective biological dose includes a phantom having a first biological detector with a first biological sample. The first biological sample includes a plurality of culturing and irradiation elements. Each of the culturing and irradiation elements are provided with a respective biological sub-sample so that the first biological detector is configured as a spatially resolving biological detector. A first motion device is configured to move the first biological detector so as to simulate a motion of a target volume.
    Type: Grant
    Filed: July 29, 2009
    Date of Patent: October 14, 2014
    Assignee: GSI Helmholtzzentrum fuer Schwerionenforschung GmbH
    Inventors: Christoph Bert, Eike Rietzel, Alexander Gemmel
  • Patent number: 8704197
    Abstract: A device operable to accelerate a particle beam to an energy for irradiating a target volume. The device includes a particle accelerator operable in a first working phase in which particles of the particle beam are accelerated to the energy and a second working phase in which the particles of the particle beam are provided and extracted for irradiating the target volume. The device further includes a control device operable to interrupt an irradiation of the target volume if the target volume assumes a predetermined state. The control device is also operable to control the particle accelerator as a function of a comparison between a residual particle number stored in the accelerator and a reference value.
    Type: Grant
    Filed: June 29, 2011
    Date of Patent: April 22, 2014
    Assignee: Siemens Aktiengesellschaft
    Inventor: Alexander Gemmel
  • Publication number: 20130177135
    Abstract: A method for determining a 4D plan for carrying out intensity-modulated radiation therapy of a target volume subject to irregular periodic motion, with a radiation therapy apparatus is provided. The method includes selecting positions of a radiation source. The number of positions is selected to be identical in all 3D radiation therapy plans. The method also includes selecting a number of respective aperture settings assigned to a respective position of the radiation source to be identical in all 3D radiation therapy plans. A geometrical, temporal, and/or dynamic restriction that restricts a change of the aperture from one aperture setting to another aperture setting is predetermined, and the 3D radiation therapy plans are determined such that the 3D radiation therapy plans fulfill predetermined restrictions for aperture settings in each case.
    Type: Application
    Filed: January 10, 2013
    Publication date: July 11, 2013
    Inventors: Thomas Boettger, Johannes Fieres, Alexander Gemmel, Iwan Kawrakow
  • Publication number: 20130150647
    Abstract: A method for producing an irradiation plan for a target volume includes preparing a modulation curve that characterizes modulation of particle numbers at target points in the target volume that lie one behind another in a direction of the beam. The method also includes determining a current position of the target volume and defining a plurality of target points that fully cover the target volume in the current position. Particle numbers are assigned to the plurality of current target points using the modulation curve.
    Type: Application
    Filed: December 7, 2012
    Publication date: June 13, 2013
    Inventors: Wenjing Chen, Alexander Gemmel, Eike Rietzel
  • Patent number: 8405050
    Abstract: A method of determining an actual, especially an actual effective, radiation dose distribution of a moving target volume includes detecting first and further positions of volume elements of the target volume in a first and at least one further motional state of the moving target volume, determining transformation parameters by transformation of the first positions into the further positions, irradiating the moving target volume in accordance with an irradiation plan which comprises a plurality of raster points to be irradiated, wherein during the irradiation of a raster point it is detected which of the motional states is occupied by the moving target volume, assigning raster points to subirradiation plans and determining the actual effective dose for each of the plurality of volume elements, in each case from contributions from the raster points of the subirradiation plans using the transformation parameters.
    Type: Grant
    Filed: September 25, 2008
    Date of Patent: March 26, 2013
    Assignee: GSI Helmholtzzentrum Fuer Schwerionenforschung GmbH
    Inventors: Christoph Bert, Gerhard Kraft, Eike Rietzel, Alexander Gemmel
  • Patent number: 8319198
    Abstract: The invention concerns a device for determining control parameters for an irradiation system by means of which a number of irradiation doses are successively deposited at different target points in a target volume.
    Type: Grant
    Filed: October 8, 2009
    Date of Patent: November 27, 2012
    Assignees: GSI Helmholtzzentrum fur Schwerionenforschung GmbH, Siemens, AG
    Inventors: Christoph Bert, Elke Rietzel, Alexander Gemmel, Nami Saito
  • Publication number: 20120264996
    Abstract: A method for irradiation treatment planning for a target volume to be irradiated includes specifying a plurality of data sets. The target volume to be irradiated is depicted in each data set of the plurality of data sets. The data sets differ in that the target volume has another position and/or shape. A data set is selected from the plurality of the data sets and other data sets are registered to the selected data set. The method includes forming an amalgamation of the depicted target volumes using the registrations of the other data sets to the selected data set, and determining an area at risk in the selected data set. The method includes modifying the amalgamation of the target volumes such that the area at risk is excluded from the amalgamation of the depicted target volumes. An irradiation treatment plan is calculated using the modified amalgamation of the target volumes.
    Type: Application
    Filed: April 13, 2012
    Publication date: October 18, 2012
    Inventors: Wenjing Chen, Alexander Gemmel, Eike Rietzel
  • Publication number: 20120161038
    Abstract: A device operable to accelerate a particle beam to an energy for irradiating a target volume. The device includes a particle accelerator operable in a first working phase in which particles of the particle beam are accelerated to the energy and a second working phase in which the particles of the particle beam are provided and extracted for irradiating the target volume. The device further includes a control device operable to interrupt an irradiation of the target volume if the target volume assumes a predetermined state. The control device is also operable to control the particle accelerator as a function of a comparison between a residual particle number stored in the accelerator and a reference value.
    Type: Application
    Filed: June 29, 2011
    Publication date: June 28, 2012
    Inventor: Alexander Gemmel
  • Publication number: 20110303858
    Abstract: The invention concerns a device for determining control parameters for an irradiation system by means of which a number of irradiation doses are successively deposited at different target points in a target volume.
    Type: Application
    Filed: October 8, 2009
    Publication date: December 15, 2011
    Inventors: Christoph Bert, Eike Rietzel, Alexander Gemmel, Nami Saito
  • Publication number: 20110027853
    Abstract: A phantom device for in-vitro validation of radiation procedures under motion influence in consideration of an effective biological dose includes a phantom having a first biological detector with a first biological sample. The first biological sample includes a plurality of culturing and irradiation elements. Each of the culturing and irradiation elements are provided with a respective biological sub-sample so that the first biological detector is configured as a spatially resolving biological detector. A first motion device is configured to move the first biological detector so as to simulate a motion of a target volume.
    Type: Application
    Filed: July 29, 2009
    Publication date: February 3, 2011
    Applicant: GSI Helmholtzzentrum fur Schwerionenforschung GmbH
    Inventors: Christoph Bert, Eike Rietzel, Alexander Gemmel
  • Publication number: 20100301235
    Abstract: A method of determining an actual, especially an actual effective, radiation dose distribution of a moving target volume includes detecting first and further positions of volume elements of the target volume in a first and at least one further motional state of the moving target volume, determining transformation parameters by transformation of the first positions into the further positions, irradiating the moving target volume in accordance with an irradiation plan which comprises a plurality of raster points to be irradiated, wherein during the irradiation of a raster point it is detected which of the motional states is occupied by the moving target volume, assigning raster points to subirradiation plans and determining the actual effective dose for each of the plurality of volume elements, in each case from contributions from the raster points of the subirradiation plans using the transformation parameters.
    Type: Application
    Filed: September 25, 2008
    Publication date: December 2, 2010
    Applicants: GSI Helmholtzzentrum fuer Schwerionenforschung GmbH, Siemens AG
    Inventors: Christoph Bert, Gerhard Kraft, Eike Rietzel, Alexander Gemmel