Patents by Inventor Björn Kreisler
Björn Kreisler 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).
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Publication number: 20240066320Abstract: Computed tomography (CT) measurement data of the patient is acquired using a CT device having a quantum counting X-ray detector, and the CT measurement data is processed to generate result data, considering a specific information content of the CT measurement data resulting from the use of the quantum counting X-ray detector in acquiring the CT measurement data. The result data is suitable for use in the planning of irradiation of the patient. The result data is provisioned to an interface such that the result data is usable for planning the irradiation of the patient.Type: ApplicationFiled: November 6, 2023Publication date: February 29, 2024Applicant: Siemens Healthcare GmbHInventors: Christopher Jude AMIES, Christian HOFMANN, Philipp HOELZER, Mark-Aleksi KELLER-REICHENBECHER, Bjoern KREISLER, Andre RITTER, Rene KARTMANN
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Publication number: 20240061134Abstract: An X-ray imager having an X-ray source, a semiconductor detector, and a processor. On a rear side of the semiconductor detector facing away from the front side, in each of a plurality of imaging regions of the semiconductor detector, at least one imaging electrode is arranged and a plurality of detectors each contact at least one of the imaging electrodes in order to acquire first measurement values relating to X-ray signals of the imaging electrodes. The processor is configured to establish an image dataset dependent upon the first measurement values. At least one additional electrode is arranged on the rear side of the semiconductor detector outside the imaging regions. At least one current sensor contacts the additional electrode or at least one of the additional electrodes in each case to acquire the current flow by way of the second measurement values relating to the at least one additional electrode.Type: ApplicationFiled: August 16, 2023Publication date: February 22, 2024Inventors: Björn Kreisler, Edgar Göderer, Stefan Wirth
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Patent number: 11883216Abstract: A method is for generating an X-ray image dataset via an X-ray detector having a converter element and a multiplicity of pixel elements. In an embodiment, the method includes first counting of at least one quantity of count signals dependent upon the incident X-ray radiation in each pixel element of the multiplicity of pixel elements; second counting of at least one quantity of coincidence count signals in each pixel element of the subset of pixel elements with at least one further pixel element of the multiplicity of pixel elements; and generating an X-ray image dataset based upon the at least one quantity of count signals counted in each pixel element of the multiplicity of pixel elements and upon the at least one quantity of coincidence count signals counted in each pixel element of the subset of pixel elements.Type: GrantFiled: December 28, 2022Date of Patent: January 30, 2024Assignee: SIEMENS HEALTHCARE GMBHInventors: Edgar Goederer, Martin Hupfer, Bjoern Kreisler, Martin Petersilka
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Patent number: 11844961Abstract: Computed tomography (CT) measurement data of the patient is acquired using a CT device having a quantum counting X-ray detector, and the CT measurement data is processed to generate result data, considering a specific information content of the CT measurement data resulting from the use of the quantum counting X-ray detector in acquiring the CT measurement data. The result data is suitable for use in the planning of irradiation of the patient. The result data is provisioned to an interface such that the result data is usable for planning the irradiation of the patient.Type: GrantFiled: December 16, 2020Date of Patent: December 19, 2023Assignee: Siemens Healthcare GmbHInventors: Christopher Jude Amies, Christian Hofmann, Philipp Hoelzer, Mark-Aleksi Keller-Reichenbecher, Bjoern Kreisler, Andre Ritter, Rene Kartmann
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Publication number: 20230225694Abstract: One or more example embodiments relates to a power supply circuit for a computed tomography system. The power supply circuit comprises a stationary power distributor including an uninterruptible power supply; a co-rotating bias voltage supply, the co-rotating bias voltage supply including a voltage supply input, a bias voltage supply output, and a bias voltage monitoring unit, the bias voltage monitoring unit being configured to activate or to deactivate the bias voltage supply output as a function of an electrical input voltage detected at the voltage supply input, and the bias voltage includes a sensor configure to detect the electrical input voltage at the voltage supply input; and an auxiliary voltage source having a power buffer, the power buffer configured to supply the bias voltage monitoring unit with electrical power for deactivation of the bias voltage supply output.Type: ApplicationFiled: January 18, 2023Publication date: July 20, 2023Applicant: Siemens Healthcare GmbHInventors: Shameem Kabir CHAUDHURY, Thomas Hilderscheid, Bjoern Kreisler
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Patent number: 11675096Abstract: An X-ray detector includes a converter element for converting X-rays into electric signals; and a plurality of pixel elements. In an embodiment, each pixel element includes a first signal processing stage for processing respective electric signals with at least one signal amplifier and at least one comparator for providing a digital pixel signal. The signal outputs of the first signal processing stage of at least one group of pixel elements are coupled via signal technology to a common second signal processing stage including a multiplicity of digital logic elements. The common second signal processing stage includes a configurable switching matrix for interconnecting at least one partial number of the multiplicity of digital logic elements with the respective signal outputs of the first signal processing stage, so that, following a configuration of the switching matrix, a processing chain can be provided for the digital processing of the digital pixel signals.Type: GrantFiled: December 9, 2020Date of Patent: June 13, 2023Assignee: SIEMENS HEALTHCARE GMBHInventors: Edgar Goederer, Martin Hupfer, Bjoern Kreisler, Martin Petersilka
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Publication number: 20230136957Abstract: A method is for generating an X-ray image dataset via an X-ray detector having a converter element and a multiplicity of pixel elements. In an embodiment, the method includes first counting of at least one quantity of count signals dependent upon the incident X-ray radiation in each pixel element of the multiplicity of pixel elements; second counting of at least one quantity of coincidence count signals in each pixel element of the subset of pixel elements with at least one further pixel element of the multiplicity of pixel elements; and generating an X-ray image dataset based upon the at least one quantity of count signals counted in each pixel element of the multiplicity of pixel elements and upon the at least one quantity of coincidence count signals counted in each pixel element of the subset of pixel elements.Type: ApplicationFiled: December 28, 2022Publication date: May 4, 2023Applicant: Siemens Healthcare GmbHInventors: Edgar GÖEDERER, Martin HUPFER, Bjöern KREISLER, Martin PETERSILKA
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Patent number: 11602323Abstract: A computed tomography device includes a holding frame and a ring mount, being movably mounted to the holding frame. The ring mount includes an x-ray detector, with a semiconductor material, operable in an equilibrium of statistical states of occupation. In an embodiment, the computed tomography device includes a first power supply, set up to supply power, in an operating state of the computed tomography device, to a first lot of components of the computed tomography device, the first lot of components being arranged on the ring mount for an image generation process; and a second power supply, separable from the first power supply in terms of circuitry, to supply power to a second lot of components of the computed tomography device in a resting state of the computed tomography device, the components of the second lot being set up to hold the semiconductor material in the equilibrium.Type: GrantFiled: September 14, 2020Date of Patent: March 14, 2023Assignee: SIEMENS HEALTHCARE GMBHInventors: Shameem Kabir Chaudhury, Thomas Hilderscheid, Thomas Hofmann, Bjoern Kreisler, Christian Schroeter, Stefan Woelfel
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Patent number: 11540791Abstract: A method is for generating an X-ray image dataset via an X-ray detector having a converter element and a multiplicity of pixel elements. In an embodiment, the method includes first counting of at least one quantity of count signals dependent upon the incident X-ray radiation in each pixel element of the multiplicity of pixel elements; second counting of at least one quantity of coincidence count signals in each pixel element of the subset of pixel elements with at least one further pixel element of the multiplicity of pixel elements; and generating an X-ray image dataset based upon the at least one quantity of count signals counted in each pixel element of the multiplicity of pixel elements and upon the at least one quantity of coincidence count signals counted in each pixel element of the subset of pixel elements.Type: GrantFiled: December 9, 2020Date of Patent: January 3, 2023Assignee: SIEMENS HEALTHCARE GMBHInventors: Edgar Goederer, Martin Hupfer, Bjoern Kreisler, Martin Petersilka
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Publication number: 20210186440Abstract: A photon-counting X-ray detector is for acquiring an X-ray image data set of an object penetrated by X-ray radiation. The detector includes a converter element, designed to convert incident X-ray radiation into an electrical signal; and a matrix with a plurality of pixel elements. At least a partial number of the plurality of pixel elements receive a signal input and at least one configurable counter is coupled to the at least a partial number of the plurality of pixel elements, for signaling. Further, the at least one configurable counter is designed to count either a pixel count signal, based on a signal directly received in each respective pixel element, or a coincidence count signal, based on the signal received directly in the respective pixel element and on a coincident signal of at least one further pixel element.Type: ApplicationFiled: December 9, 2020Publication date: June 24, 2021Applicant: Siemens Healthcare GmbHInventors: Bjoern KREISLER, Edgar GOEDERER, Martin HUPFER, Martin PETERSILKA
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Publication number: 20210190979Abstract: An X-ray detector includes a converter element for converting X-rays into electric signals; and a plurality of pixel elements. In an embodiment, each pixel element includes a first signal processing stage for processing respective electric signals with at least one signal amplifier and at least one comparator for providing a digital pixel signal. The signal outputs of the first signal processing stage of at least one group of pixel elements are coupled via signal technology to a common second signal processing stage including a multiplicity of digital logic elements. The common second signal processing stage includes a configurable switching matrix for interconnecting at least one partial number of the multiplicity of digital logic elements with the respective signal outputs of the first signal processing stage, so that, following a configuration of the switching matrix, a processing chain can be provided for the digital processing of the digital pixel signals.Type: ApplicationFiled: December 9, 2020Publication date: June 24, 2021Applicant: Siemens Healthcare GmbHInventors: Edgar GOEDERER, Martin HUPFER, Bjoern KREISLER, Martin PETERSILKA
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Publication number: 20210186439Abstract: A method is for generating an X-ray image dataset via an X-ray detector having a converter element and a multiplicity of pixel elements. In an embodiment, the method includes first counting of at least one quantity of count signals dependent upon the incident X-ray radiation in each pixel element of the multiplicity of pixel elements; second counting of at least one quantity of coincidence count signals in each pixel element of the subset of pixel elements with at least one further pixel element of the multiplicity of pixel elements; and generating an X-ray image dataset based upon the at least one quantity of count signals counted in each pixel element of the multiplicity of pixel elements and upon the at least one quantity of coincidence count signals counted in each pixel element of the subset of pixel elements.Type: ApplicationFiled: December 9, 2020Publication date: June 24, 2021Applicant: Siemens Healthcare GmbHInventors: Edgar GOEDERER, Martin HUPFER, Bjoern KREISLER, Martin PETERSILKA
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Publication number: 20210101022Abstract: Computed tomography (CT) measurement data of the patient is acquired using a CT device having a quantum counting X-ray detector, and the CT measurement data is processed to generate result data, considering a specific information content of the CT measurement data resulting from the use of the quantum counting X-ray detector in acquiring the CT measurement data. The result data is suitable for use in the planning of irradiation of the patient. The result data is provisioned to an interface such that the result data is usable for planning the irradiation of the patient.Type: ApplicationFiled: December 16, 2020Publication date: April 8, 2021Applicant: Siemens Healthcare GmbHInventors: Christopher Jude AMIES, Christian HOFMANN, Philipp HOELZER, Mark-Aleksi KELLER-REICHENBECHER, Bjoern KREISLER, Andre RITTER, Rene KARTMANN
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Publication number: 20210085278Abstract: A computed tomography device includes a holding frame and a ring mount, being movably mounted to the holding frame. The ring mount includes an x-ray detector, with a semiconductor material, operable in an equilibrium of statistical states of occupation. In an embodiment, the computed tomography device includes a first power supply, set up to supply power, in an operating state of the computed tomography device, to a first lot of components of the computed tomography device, the first lot of components being arranged on the ring mount for an image generation process; and a second power supply, separable from the first power supply in terms of circuitry, to supply power to a second lot of components of the computed tomography device in a resting state of the computed tomography device, the components of the second lot being set up to hold the semiconductor material in the equilibrium.Type: ApplicationFiled: September 14, 2020Publication date: March 25, 2021Applicant: Siemens Healthcare GmbHInventors: Shameem Kabir CHAUDHURY, Thomas HILDERSCHEID, Thomas HOFMANN, Bjoern KREISLER, Christian SCHROETER, Stefan WOELFEL
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Patent number: 10898727Abstract: Computed tomography (CT) measurement data of the patient is acquired using a CT device having a quantum counting X-ray detector, and the CT measurement data is processed to generate result data, considering a specific information content of the CT measurement data resulting from the use of the quantum counting X-ray detector in acquiring the CT measurement data. The result data is suitable for use in the planning of irradiation of the patient. The result data is provisioned to an interface such that the result data is usable for planning the irradiation of the patient.Type: GrantFiled: July 20, 2018Date of Patent: January 26, 2021Assignee: Siemens Healthcare GmbHInventors: Christopher Jude Amies, Christian Hofmann, Philipp Hoelzer, Mark-Aleksi Keller-Reichenbecher, Bjoern Kreisler, Andre Ritter, Rene Kartmann
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Publication number: 20200171324Abstract: Computed tomography (CT) measurement data of the patient is acquired using a CT device having a quantum counting X-ray detector, and the CT measurement data is processed to generate result data, considering a specific information content of the CT measurement data resulting from the use of the quantum counting X-ray detector in acquiring the CT measurement data. The result data is suitable for use in the planning of irradiation of the patient. The result data is provisioned to an interface such that the result data is usable for planning the irradiation of the patient.Type: ApplicationFiled: July 20, 2018Publication date: June 4, 2020Applicant: Siemens Healthcare GmbHInventors: Christopher Jude AMIES, Christian HOFMANN, Philipp HOELZER, Mark-Aleksi KELLER-REICHENBECHER, Bjoern KREISLER, Andre RITTER, Rene KARTMANN
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Patent number: 10588583Abstract: An X-ray detector includes a stack arrangement with a scattered radiation grid and a planar converter element including a first surface and a second surface. The converter element includes a first electrode embodied on the first surface and a pixelated second electrode with two adjacent first electrode elements. The two adjacent first electrode elements include a first width and a first length and the two adjacent first electrode elements are embodied the second surface opposite the first surface. The scattered radiation grid includes a grid wall with a thickness along the boundary between the two adjacent first electrode elements. The grid wall is arranged to be substantially perpendicular on the first surface and, in a projection, substantially parallel to the direction of incidence of the radiation and to the surface normal of the first surface. The grid wall at least partially overlaps the two adjacent first electrode elements.Type: GrantFiled: December 28, 2017Date of Patent: March 17, 2020Assignee: SIEMENS HEALTHCARE GMBHInventors: Thorsten Ergler, Edgar Goederer, Bjoern Kreisler, Miguel Labayen De Inza, Christian Schroeter, Peter Sievers, Kurt Stadlthanner
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Patent number: 9835738Abstract: In a method and control unit for activating an X-ray detector, having an X-ray sensitive sensor layer and an arrangement of pixel electrodes connected at the back to the sensor layer, an individually adjusted depletion voltage is applied to each of the pixel electrodes. The value of the depletion voltages applied to different pixel electrodes is chosen to be different such that the effective pixel sizes respectively associated with the pixel electrodes are aligned with each other.Type: GrantFiled: March 5, 2015Date of Patent: December 5, 2017Assignee: Siemens AktiengesellschaftInventors: Edgar Göderer, Björn Kreisler
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Patent number: 9829586Abstract: A method is disclosed for detecting x-rays using an x-ray detector which includes a direct-conversion semiconductor detector element. Additional radiation is supplied to the semiconductor detector element using a radiation source, and the supply of the additional radiation is controlled and/or regulated on the basis of a specified target value. In at least one embodiment, the target value can be specified in a variable manner over time as a sequence of target values. An x-ray detector system is further disclosed, with which the method can be carried out.Type: GrantFiled: July 9, 2013Date of Patent: November 28, 2017Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Edgar Göderer, Peter Hackenschmied, Steffen Kappler, Björn Kreisler, Miguel Labayen De Inza, Daniel Niederlöhner, Mario Reinwand, Christian Schröter, Matthias Strassburg, Stefan Wirth
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Patent number: 9750467Abstract: A direct conversion X-ray detector for the detection of X-rays includes at least a semiconductor used for detecting X-rays, which has areas that are shaded against X-rays and unshaded areas, a pixelated electrode attached to the semiconductor and an all-over electrode attached to the semiconductor opposite the pixelated electrode, and at least one light source to illuminate the all-over electrode with additional light radiation for the purpose of generating additional charge carriers. In an embodiment, the at least one light source is designed such that the shaded areas are irradiated with a different intensity of the additional light radiation than are the unshaded areas. A CT system including the direct conversion X-ray detector is also disclosed, together with a method for the detection of incident X-rays via direct conversion X-ray detector, wherein the shaded areas are irradiated with a different intensity of the additional light radiation than the unshaded areas.Type: GrantFiled: January 30, 2015Date of Patent: September 5, 2017Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Thorsten Ergler, Edgar Göderer, Björn Kreisler, Mario Reinwand, Christian Schröter