Patents by Inventor Thomas Doerr

Thomas Doerr 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: 20150025593
    Abstract: A heart therapy device having a right-ventricular electrode and a left-ventricular electrode connected to a tachycardia identification unit. The tachycardia identification unit identifies ventricular tachycardia and simultaneously evaluates the heart rate at the right-ventricular and left-ventricular electrodes. The ventricular electrodes each include an electrode line having a corresponding sensing electrode pole that senses electric potential courses in the myocardium of the respective ventricle. The heart therapy device includes a dislocation identification unit that detects a possible dislocation of one of the ventricular electrodes, simultaneously evaluates the heart rate at both ventricular electrodes, and signals a right-ventricular or left-ventricular dislocation when a sudden rise in heart rate is sensed at the right-ventricular or left-ventricular electrode, without detecting a considerable change in rhythm at the respective electrode.
    Type: Application
    Filed: July 3, 2014
    Publication date: January 22, 2015
    Applicant: BIOTRONIK SE & CO. KG
    Inventors: Andreas Kucher, Thomas Doerr
  • Patent number: 8886305
    Abstract: The invention relates to an implantable ventricular heart stimulator (10), comprising an at least partially electrically conductive housing (12), an electrode line terminal for connection of a ventricular defibrillation electrode line (20) and a terminal for a defibrillation electrode (26). According to the invention, the heart stimulator has a far-field electrocardiogram detection unit (70) which has a first input connected to the terminal for the ventricular defibrillation electrode and has a second input connected to the electrically conductive housing and designed or configured to generate a far-field electrocardiogram on the basis of the electric potentials applied to the two inputs during operation.
    Type: Grant
    Filed: March 19, 2009
    Date of Patent: November 11, 2014
    Assignee: Biotronik CRM Patent AG
    Inventors: Thomas Doerr, Frank Tscherch, Ulrich Tietze
  • Patent number: 8878532
    Abstract: One or more embodiments of the invention relate to a shielding apparatus for shielding at least one at least partially metallic implant in the body of a patient during an examination by magnetic resonance imaging, which can be attached temporarily on or in the vicinity of the body of the patient and comprises a shielding material, which is suited to attenuate radio frequency alternating electromagnetic fields.
    Type: Grant
    Filed: October 24, 2011
    Date of Patent: November 4, 2014
    Inventors: Thomas Doerr, Ingo Weiss
  • Patent number: 8855781
    Abstract: A remotely programmable personal device, in particular a programmable implantable medical device, e.g., a cardiac pacemaker, a defibrillator, a cardioverter or the like. A system for remote programming of such a personal medical device and a method for remote programming of a programmable personal device.
    Type: Grant
    Filed: July 7, 2008
    Date of Patent: October 7, 2014
    Assignee: BIOTRONIK CRM Patent AG
    Inventor: Thomas Doerr
  • Patent number: 8818521
    Abstract: Implantable medical device (10) having control unit (20) connected to bidirectional wireless interface (18) and magnetic interface (16). Bidirectional wireless interface configured for bidirectional wireless data transmission via alternating electric field between medical device and an external device and may assume at least one OFF and one ON state, whereby wireless data transmission is possible only in ON state and function interface requires little or no energy in OFF state. Magnetic interface configured to constantly receive control signals transmitted via an alternating magnetic field from the external device. Magnetic interface configured to receive/process a data transmission start signal, such that magnetic interface or control unit generates a wireless interface activation. The bidirectional wireless interface is at least indirectly connected to the magnetic interface and is configured to switch from OFF to ON state in response to the wireless interface activation signal.
    Type: Grant
    Filed: May 28, 2009
    Date of Patent: August 26, 2014
    Assignee: Biotronik CRM Patent AG
    Inventor: Thomas Doerr
  • Patent number: 8810245
    Abstract: A device for generating opposing fields for shielding an implant in the body of a patient during a magnetic resonance imaging, which device comprises a field generation unit with one or more field generation configured to generate field pulses and a control unit coupled with the field generation unit, and which is configured in such a manner that field pulses can be generated as opposing fields through which, within a spatial zone which contains the implant at least in sections, high-frequency electromagnetic field pulses and/or magnetic gradient field pulses used during the magnetic resonance imaging can be reduced or cancelled out in their intensity through superposition.
    Type: Grant
    Filed: January 19, 2012
    Date of Patent: August 19, 2014
    Assignee: Biotronik SE & Co. KG
    Inventors: Thomas Doerr, Ingo Weiss
  • Patent number: 8781588
    Abstract: Device and method for detecting electromagnetic fields occurring in imaging magnetic resonance tomography MRT/MRI tests. Relates to an implantable medical device (IMD) comprising a hermetically sealed housing, control unit(s), detection unit(s) for MRT interference fields connected/connectable to control unit(s) and to electrode(s) and/or to antenna(s) and/or coil(s), wherein the MRT interference detection unit contains at least one electro-optical converter which converts induced voltages from the electrode(s) and/or the antenna(s) and/or the coil(s) to optical signals, which are optically transmitted in a potential-free manner within the detection unit for MRT interference fields to an evaluation unit for the detection unit for MRT interference fields, and when a threshold for the optical signal and/or a predetermined periodic occurrence of the optical signals is exceeded, the evaluation unit triggers switching to an MRI-safe state or transmits a corresponding signal to the control unit(s).
    Type: Grant
    Filed: December 16, 2010
    Date of Patent: July 15, 2014
    Assignee: BIOTRONIK CRM Patent AG
    Inventors: Thomas Doerr, Ingo Weiss
  • Patent number: 8774934
    Abstract: A temperature sensor for detecting heating of at least one electrode pole of a temporarily or permanently implantable electrode line or a similar implant having at least one elongated electrical conductor which is connected to at least one electrode pole. The temperature sensor has an impedance detecting unit or is connected to one and is configured for evaluating an electrode pole impedance detected by the impedance detecting unit in such a manner that the evaluation takes place with respect to a temperature-dependent feature of the electrode impedance. The impedance detecting unit is electrically connected to the at least one electrode pole or is configured and arranged to be electrically connected to the at least one electrode pole.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: July 8, 2014
    Assignee: Biotronik SE & Co. KG
    Inventors: Thomas Doerr, Ingo Weiss
  • Patent number: 8774919
    Abstract: A cardiac therapy device having a cardiac assist pump, a defibrillation unit, and a control unit, which is connected to the cardiac assist pump and the defibrillation unit to control them. The cardiac assist pump is implemented in case of use to pump blood from a ventricle into an associated artery and thus relieve the respective ventricle. The defibrillation unit is implemented for automatic defibrillation of a ventricular fibrillation and the control unit is implemented to activate the cardiac assist pump and the defibrillation unit in a coordinated manner in case of a ventricular fibrillation such that the cardiac assist pump first increases its performance to initially cause a pressure relief of at least one assisted ventricle in case of use and the defibrillation unit only subsequently delivers a defibrillation shock, when a ventricular pressure relief is provided.
    Type: Grant
    Filed: September 4, 2012
    Date of Patent: July 8, 2014
    Assignee: Biotronik SE & Co. KG
    Inventors: Thomas Doerr, Ingo Weiss
  • Patent number: 8768430
    Abstract: Allows the specificity of an automatic MRT detection to be increased in a simple manner. This is achieved using an automatically calibrating position sensor, so that the user does not have to perform additional calibration of this sensor. Incorrect sensor calibrations are thus eliminated as well.
    Type: Grant
    Filed: December 18, 2010
    Date of Patent: July 1, 2014
    Assignee: Biotronik CRM Patent AG
    Inventors: Thomas Doerr, Ingo Weiss
  • Patent number: 8750963
    Abstract: An implantable electromedical device, having a detection unit for capturing possible device-impairing effects, a control unit, which is connected to the detection unit, a diagnostic and/or treatment unit, and a test unit, of which the test unit is designed to test the diagnostic-treatment unit, and to output test results for storage, of which the diagnostic and/or treatment unit includes sensor units and/or treatment delivery units as components and is designed to record physiological parameters and/or bring about delivery of a treatment, and of which the control unit is designed to actuate the test unit for testing the diagnostic-treatment unit.
    Type: Grant
    Filed: March 12, 2012
    Date of Patent: June 10, 2014
    Assignee: Biotronik SE & Co. KG
    Inventors: Thomas Doerr, Ingo Weiss
  • Publication number: 20140155951
    Abstract: An implantable electrostimulation assembly, including an electrostimulation device and an electrode lead that is connected to the electrostimulation device when in use, wherein the electrode lead has an optically readable electrode identification and a cable adapter is provided for the temporary insertion between the electrostimulation device and the electrode lead, the adapter comprising optical read means for reading the electrode identification and transmission means for transmitting the same to the electrostimulation device and/or to an assembly-external receiver.
    Type: Application
    Filed: November 11, 2013
    Publication date: June 5, 2014
    Applicant: BIOTRONIK SE & Co. KG
    Inventor: Thomas Doerr
  • Patent number: 8682427
    Abstract: A single-chamber heart stimulator has an electrically conductive housing, first and second detection units, and a VT/SVT discrimination unit. The first detection unit is connected to an electrode pair of a ventricular electrode lead for obtaining a first electrocardiogram signal recorded in bipolar fashion, and is designed to sense and classify ventricular heartbeats. The second detection unit is connected on one side to an electrode of the ventricular electrode lead, and on the other side to the electrically conductive housing, for obtaining a second electrocardiogram signal containing signal features characteristic of atrial heartbeats.
    Type: Grant
    Filed: October 8, 2009
    Date of Patent: March 25, 2014
    Assignee: Biotronik CRM Patent AG
    Inventor: Thomas Doerr
  • Patent number: 8679010
    Abstract: An implantable sensor device for capturing at least one physical, chemical, biological or physiological parameter in the body of a living being wearing the sensor device upon contact with the body fluid or tissue of the same, including a sensor housing, a sensor element that is accommodated in the sensor housing and has a capturing section, which has direct contact with the body fluid or the body tissue, or which internally adjoins a surface or opening section of the sensor housing that has contact with the body fluid or the body tissue, and a mechanically acting sensor cleaning device for cleaning the capturing section of the sensor element and/or the surface or opening section of the sensor housing adjoining the same.
    Type: Grant
    Filed: June 27, 2011
    Date of Patent: March 25, 2014
    Assignee: Dyconex AG
    Inventors: Thomas Doerr, Marc Hauer
  • Patent number: 8676327
    Abstract: Neurostimulator (20) comprising a signal generator (40) for generating stimulation pulses, connected or connectable to at least one electrode (10) implantable in the brain of a patient, comprising a signal generator control unit (36) connected to the signal generator (40) and designed to control the delivery of stimulation pulses and to make adjustments in signal generator settings as needed, comprising a device connected to the signal generator control unit (36) for determination and analysis of the heart rate of a patient (30, 32, 34), characterized in that the signal generator control unit (36) is designed to check on the health status of a patient and/or the success of a treatment using at least one heart-rate-dependent characteristic quantity determined by the device for determination and analysis of the heart rate (30, 32, 34) and to make an adjustment in the signal generator settings if necessary.
    Type: Grant
    Filed: March 12, 2009
    Date of Patent: March 18, 2014
    Assignee: Biotronik CRM Patent AG
    Inventors: Thomas Doerr, Ingo Weiss, Andreas Neumann
  • Patent number: 8649877
    Abstract: A device and a method for working in the presence of electromagnetic fields, in particular fields occurring in cautery applications. Also relates to a partially implanted medical device (IMD), having a unit for detecting electromagnetic interference fields, at least one control unit, a timer, and a detection unit for electrical measured variables and/or a stimulation unit, at least one electrode line having an electrode at one end which is brought into contact with bodily tissue, and which either extends inside the body and/or is situated on the surface of an implant, wherein when nonphysiological signals and/or electromagnetic interference fields are detected and the unit for electromagnetic interference fields evaluates the detected signals as nonphysiological signals for a first specifiable time period, and/or for a second specified time period the stimulation unit is placed in an asynchronous operating state in which the wearer of the IMD is asynchronously stimulated.
    Type: Grant
    Filed: December 18, 2010
    Date of Patent: February 11, 2014
    Assignee: Biotronik CRM Patent AG
    Inventors: Thomas Doerr, Ingo Weiss
  • Patent number: 8646275
    Abstract: A gas-turbine lean combustor includes a combustion chamber (2) and a fuel nozzle (1) which includes a pilot fuel injection (17) and a main fuel injection (18). The main fuel injection (18) includes central recesses (23) for a controlled inhomogeneous fuel injection, the number of said recesses on the circumference ranging from 8 to 40 and said recesses having an angle of inclination ?2 in circumferential direction of 10°??2?60° and an axial angle of inclination ?1 relative to the combustor axis (4) between ?10°??1?90°.
    Type: Grant
    Filed: March 8, 2012
    Date of Patent: February 11, 2014
    Assignee: Rolls-Royce Deutschland Ltd & Co KG
    Inventors: Leif Rackwitz, Imon-Kalyan Bagchi, Thomas Doerr
  • Publication number: 20140033723
    Abstract: The present invention relates to a gas-turbine combustion chamber with mixing air orifices, with a combustion chamber wall, with tiles arranged on the inside of the combustion chamber wall at a certain distance from said combustion chamber wall as well as with mixing air orifices passing through the combustion chamber wall and the tiles, characterized in that the mixing air orifices are formed by chutes which are designed tube-like and pass through the tiles, and that several chutes are formed on a mixing air wall element extending at least around part of the circumference of the combustion chamber.
    Type: Application
    Filed: July 22, 2013
    Publication date: February 6, 2014
    Applicant: Rolls-Royce Deutschland Ltd & Co KG
    Inventors: Thomas DOERR, Leif RACKWITZ, Stefan PENZ
  • Patent number: 8644920
    Abstract: The disclosure relates to a device and a method for detecting electromagnetic fields, in particular fields occurring in imaging magnetic resonance tomography.
    Type: Grant
    Filed: December 2, 2010
    Date of Patent: February 4, 2014
    Assignee: Biotronik CRM Patent AG
    Inventor: Thomas Doerr
  • Publication number: 20130345536
    Abstract: A cardiac therapy device and/or a cardiac monitoring device connected to at least one electrode lead that includes at least one first sensing electrode pole and at least one second sensing electrode pole. The at least one first and second sensing electrode poles move relative to one another during operation of the device. The device further includes a dislocation detection unit connected directly or indirectly to the at least one first and second sensing electrode poles. In order to detect dislocation, the dislocation detection unit evaluates detection times at the at least one first and second sensing electrode pole relative to one another. The detection times are ascribable to a cardiac event, such that the dislocation unit generates a dislocation signal if the relative time relationship of the detection times changes beyond a predetermined value, or a specifically determined value changes compared to a previously recorded reference value.
    Type: Application
    Filed: May 16, 2013
    Publication date: December 26, 2013
    Inventor: Thomas Doerr