Patents by Inventor Andre Graf
Andre Graf 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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Patent number: 11964171Abstract: A virtual beam's-eye view of a planning target volume is generated based on volumetric image data acquired immediately prior to radiation therapy by a radiation therapy system. The virtual beam's-eye view can then be displayed to confirm that, with the patient disposed in the current position, the planned beam-delivered treatment extends beyond the surface of the skin. In some embodiments, the virtual beam's-eye view can be displayed in conjunction with a beam's-eye view that is generated based on volumetric image data acquired during treatment planning, to create a blended beam's-eye view. In some embodiments, a field outline of a treatment beam can be superimposed on the blended beam's-eye view, thereby illustrating whether the planned beam-delivered treatment extends beyond the surface of the skin of the patient. The blended beam's-eye view can facilitate a manual confirmation process that verifies the planned beam-delivered treatment extends beyond the surface of the skin.Type: GrantFiled: February 23, 2022Date of Patent: April 23, 2024Assignee: SIEMENS HEALTHINEERS INTERNATIONAL AGInventors: Stefan Thieme-Marti, Andres Graf, Christof Sidler
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Publication number: 20240108915Abstract: A computer-implemented method of performing radiation therapy on a target volume within an anatomical region of a patient includes: acquiring a cone-beam computed tomography (CBCT) image of the region while the region is positioned in a first preliminary treatment location; reconstructing a current digital volume of the region based on the CBCT image of the region; generating a first beam's-eye-view of the region based on the current digital volume and an offset between the first preliminary treatment location and a reference treatment location; modifying the first beam's-eye-view of the region with one or more visual cues associated with a treatment field for the target volume; and displaying the first beam's-eye-view with the one or more visual cues.Type: ApplicationFiled: September 30, 2022Publication date: April 4, 2024Applicant: SIEMENS HEALTHINEERS INTERNATIONAL AGInventors: Stephen THOMPSON, Andres GRAF, Susan KOEHL
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Publication number: 20220176162Abstract: A virtual beam's-eye view of a planning target volume is generated based on volumetric image data acquired immediately prior to radiation therapy by a radiation therapy system. The virtual beam's-eye view can then be displayed to confirm that, with the patient disposed in the current position, the planned beam-delivered treatment extends beyond the surface of the skin. In some embodiments, the virtual beam's-eye view can be displayed in conjunction with a beam's-eye view that is generated based on volumetric image data acquired during treatment planning, to create a blended beam's-eye view. In some embodiments, a field outline of a treatment beam can be superimposed on the blended beam's-eye view, thereby illustrating whether the planned beam-delivered treatment extends beyond the surface of the skin of the patient. The blended beam's-eye view can facilitate a manual confirmation process that verifies the planned beam-delivered treatment extends beyond the surface of the skin.Type: ApplicationFiled: February 23, 2022Publication date: June 9, 2022Applicant: Varian Medical Systems International AGInventors: Stefan THIEME-MARTI, Andres GRAF, Christof SIDLER
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Patent number: 11273327Abstract: A virtual beam's-eye view of a planning target volume is generated based on volumetric image data acquired immediately prior to radiation therapy by a radiation therapy system. The virtual beam's-eye view can then be displayed to confirm that, with the patient disposed in the current position, the planned beam-delivered treatment extends beyond the surface of the skin. In some embodiments, the virtual beam's-eye view can be displayed in conjunction with a beam's-eye view that is generated based on volumetric image data acquired during treatment planning, to create a blended beam's-eye view. In some embodiments, a field outline of a treatment beam can be superimposed on the blended beam's-eye view, thereby illustrating whether the planned beam-delivered treatment extends beyond the surface of the skin of the patient. The blended beam's-eye view can facilitate a manual confirmation process that verifies the planned beam-delivered treatment extends beyond the surface of the skin.Type: GrantFiled: December 4, 2018Date of Patent: March 15, 2022Inventors: Stefan Thieme-Marti, Andres Graf, Christof Sidler
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Publication number: 20200305807Abstract: An image acquisition apparatus includes: a positioner controller communicatively coupled to a positioner, wherein the positioner controller is configured to generate a control signal to cause the positioner to rectilinearly translate a patient support relative to an imager, and/or to rectilinearly translate the imager relative to the patient support; an imaging controller configured to operate the imager to generate a first plurality of two-dimensional images for a patient while the patient is supported by the patient support, and while the positioner rectilinearly translates the patient support and/or the imager; and an image processing unit configured to obtain the first plurality of two-dimensional images and arrange the two-dimensional images relative to each other to obtain a first composite image.Type: ApplicationFiled: March 29, 2019Publication date: October 1, 2020Applicant: Varian Medical Systems International AGInventors: Steven ROSE, Mathias LEHMANN, Andres GRAF
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Patent number: 10729920Abstract: A method for quantifying radiation beam conformity includes: obtaining first information regarding a prescribed aperture; obtaining second information regarding an actual aperture defined by components of a collimator; and determining, using a processing unit, a metric based on the first information regarding the prescribed aperture and the second information regarding the actual aperture, wherein the metric indicates an amount of over-exposed aperture area, an amount of under-exposed aperture area, or both, and wherein the processing unit comprises one or more input for receiving the first and second information, and comprises a metric determination module configured to determine the metric based on the first information and the second information.Type: GrantFiled: October 2, 2015Date of Patent: August 4, 2020Assignee: Varian Medical Systems International AGInventors: Matthias Oster, Andres Graf
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Patent number: 10702708Abstract: A radiation-treatment plan to treat a treatment target in a given patient takes into account imaging-based dosing of that patient by, for example, automatically accounting for radiation dosing of the given patient that results from imaging to determine at least one physical position of the given patient when forming the radiation-treatment plan. These teachings are particularly beneficial when applied in application settings where the aforementioned imaging comprises obtaining images using megavoltage-sourced radiation. By one approach these teachings provide for automatically accounting for radiation dosing of the given patient that results from imaging by, at least in part, automatically adjusting therapeutic dosing of the given patient as a function of the radiation dosing of the given patient that results from such imaging.Type: GrantFiled: September 25, 2015Date of Patent: July 7, 2020Assignees: Varian Medical Systems, Inc., Varian Medical Systems International AGInventors: Mika Miettinen, Stefan J. Thieme-Marti, Jeff Everett, Andres Graf, Joakim Pyyry, Juha Kauppinen
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Publication number: 20190192881Abstract: A virtual beam's-eye view of a planning target volume is generated based on volumetric image data acquired immediately prior to radiation therapy by a radiation therapy system. The virtual beam's-eye view can then be displayed to confirm that, with the patient disposed in the current position, the planned beam-delivered treatment extends beyond the surface of the skin. In some embodiments, the virtual beam's-eye view can be displayed in conjunction with a beam's-eye view that is generated based on volumetric image data acquired during treatment planning, to create a blended beam's-eye view. In some embodiments, a field outline of a treatment beam can be superimposed on the blended beam's-eye view, thereby illustrating whether the planned beam-delivered treatment extends beyond the surface of the skin of the patient. The blended beam's-eye view can facilitate a manual confirmation process that verifies the planned beam-delivered treatment extends beyond the surface of the skin.Type: ApplicationFiled: December 4, 2018Publication date: June 27, 2019Applicant: Varian Medical Systems International AGInventors: Stefan THIEME-MARTI, Andres GRAF, Christof SIDLER
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Patent number: 10258812Abstract: Disclosed are radiation treatment systems with enhanced control architectures that enable more complex treatment plans to be implemented, and radiation treatment systems with enhanced resistance to the effect of neutrons. An exemplary control architectures comprises: a digital packet network; a supervisor electrically coupled to the digital packet network and having a treatment plan; and a plurality of nodes, each node coupled to digital packet network and controlling one or more treatment-related components of the radiation treatment system; and wherein the supervisor periodically communicates control orders to the nodes over the digital packet network.Type: GrantFiled: February 25, 2015Date of Patent: April 16, 2019Assignee: Varian Medical Systems, Inc.Inventors: Andres Graf, Hanspeter Felix, Qingxiang Ke, Angi Ye
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Patent number: 9848835Abstract: In one embodiment of the invention, a method for obtaining a tomogram of an anatomical structure is disclosed. In one step, an anatomical structure is scanned using a scanning source and a scanning detector. Both the scanning source and detector are connected to a gantry. In another step, the speed of the gantry is altered during the scanning process. Additionally or optionally the frame rate of the scan can be modified in such step. In a particular embodiment of the invention, the speed of the gantry is altered in synchronicity with the respiratory signal of a patient. Using such a method, a tomogram of an anatomical structure is obtained.Type: GrantFiled: August 16, 2010Date of Patent: December 26, 2017Assignee: Varian Medical Systems International AGInventors: Timo Berkus, Xiu Ting Zhuang, Andres Graf, Markus Oelhafen, Patrik Kunz
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Patent number: 9833636Abstract: A radiation device directs a beam of radiation onto a target. The beam can be adjusted using, for example, a control for setting beam shape and a control for setting beam intensity. The target is supported on a surface that can be adjusted using, for example, a control for setting surface position and a control for setting a speed for moving the surface. Controls are selected to adjust the beam and the surface cooperatively in order to compensate for movement of the target.Type: GrantFiled: September 13, 2012Date of Patent: December 5, 2017Assignees: Varian Medical Systems, Inc., Varian Medical Systems International AGInventors: Matthias Oster, Herbert Cattell, Qingxiang Ke, Stefan Jochem Thieme-Marti, Michelle Marie Svatos, Andres Graf
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Publication number: 20170095678Abstract: A method for quantifying radiation beam conformity includes: obtaining first information regarding a prescribed aperture; obtaining second information regarding an actual aperture defined by components of a collimator; and determining, using a processing unit, a metric based on the first information regarding the prescribed aperture and the second information regarding the actual aperture, wherein the metric indicates an amount of over-exposed aperture area, an amount of under-exposed aperture area, or both, and wherein the processing unit comprises one or more input for receiving the first and second information, and comprises a metric determination module configured to determine the metric based on the first information and the second information.Type: ApplicationFiled: October 2, 2015Publication date: April 6, 2017Applicant: VARIAN MEDICAL SYSTEMS INTERNATIONAL AGInventors: Matthias OSTER, Andres GRAF
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Publication number: 20170087385Abstract: A radiation-treatment plan to treat a treatment target in a given patient takes into account imaging-based dosing of that patient by, for example, automatically accounting for radiation dosing of the given patient that results from imaging to determine at least one physical position of the given patient when forming the radiation-treatment plan. These teachings are particularly beneficial when applied in application settings where the aforementioned imaging comprises obtaining images using megavoltage-sourced radiation. By one approach these teachings provide for automatically accounting for radiation dosing of the given patient that results from imaging by, at least in part, automatically adjusting therapeutic dosing of the given patient as a function of the radiation dosing of the given patient that results from such imaging.Type: ApplicationFiled: September 25, 2015Publication date: March 30, 2017Inventors: Mika Miettinen, Stefan J. Thieme-Marti, Jeff Everett, Andres Graf, Joakim Pyyry, Juha Kauppinen
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Publication number: 20160220844Abstract: System and method for automatic radiography imaging parameter generation by use of extant patient information. The patient information is categorized, and one or more radiography imaging parameters of a radiographic device are selected and processed according to a knowledge-based model applied to a selection of at least one patient information category. A value for the selected imaging parameter(s) is output. Values for several imaging parameters may be automatically generated according to the processing and optimization. Alternatively, a value, or a range of values, may be suggested for presentation to a clinician. The processing and optimization of the radiography imaging parameters may be based on a subset of the patient information.Type: ApplicationFiled: February 3, 2015Publication date: August 4, 2016Inventors: Pascal PAYSAN, Andres GRAF
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Publication number: 20150165236Abstract: Disclosed are radiation treatment systems with enhanced control architectures that enable more complex treatment plans to be implemented, and radiation treatment systems with enhanced resistance to the effect of neutrons. An exemplary control architectures comprises: a digital packet network; a supervisor electrically coupled to the digital packet network and having a treatment plan; and a plurality of nodes, each node coupled to digital packet network and controlling one or more treatment-related components of the radiation treatment system; and wherein the supervisor periodically communicates control orders to the nodes over the digital packet network.Type: ApplicationFiled: February 25, 2015Publication date: June 18, 2015Inventors: Andres Graf, Hanspeter Felix, Qingxiang Ke, Angi Ye
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Patent number: 8992404Abstract: Disclosed are radiation treatment systems with enhanced control architectures that enable more complex treatment plans to be implemented, and radiation treatment systems with enhanced resistance to the effect of neutrons. An exemplary control architectures comprises: a digital packet network; a supervisor electrically coupled to the digital packet network and having a treatment plan; and a plurality of nodes, each node coupled to digital packet network and controlling one or more treatment-related components of the radiation treatment system; and wherein the supervisor periodically communicates control orders to the nodes over the digital packet network.Type: GrantFiled: April 13, 2011Date of Patent: March 31, 2015Assignee: Varian Medical Systems, Inc.Inventors: Andres Graf, Hanspeter Felix, Qingxiang Ke, Angi Ye
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Patent number: 8968428Abstract: The invention provides additive mixtures comprising A) at least one terpolymer of ethylene, propene and at least one ethylenically unsaturated ester, which i) contains from 6.0 to 12.0 mol % of structural units derived from at least one ethylenically unsaturated ester having a C1- to C3-alkyl radical, ii) contains from 0.5 to 4.0 methyl groups derived from propene per 100 aliphatic carbon atoms, iii) has fewer than 8.0 methyl groups stemming from chain ends per 100 CH2 groups, and B) from 0.5 to 20 parts by weight, based on A), of at least one further component which is effective as a cold additive for mineral oils and is selected from B1) copolymers of ethylene and ethylenically unsaturated compounds whose content of ethylenically unsaturated compounds is at least 2 mol % higher than the content of ethylenically unsaturated esters in the terpolymer defined under A), B2) comb polymers, and B3) mixtures of B1) and B2), and also their use as a cold additive for middle distillates.Type: GrantFiled: July 17, 2007Date of Patent: March 3, 2015Assignee: Clariant Produkte (Deutschland) GmbHInventors: Bettina Siggelkow, Werner Reimann, Matthias Krull, Ulrike Neuhaus, Markus Kupetz, Andre Graf
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Publication number: 20140070115Abstract: A radiation device directs a beam of radiation onto a target. The beam can be adjusted using, for example, a control for setting beam shape and a control for setting beam intensity. The target is supported on a surface that can be adjusted using, for example, a control for setting surface position and a control for setting a speed for moving the surface. Controls are selected to adjust the beam and the surface cooperatively in order to compensate for movement of the target.Type: ApplicationFiled: September 13, 2012Publication date: March 13, 2014Inventors: Matthias OSTER, Herbert CATTELL, Qingxiang KE, Stefan Jochem THIEME-MARTI, Michelle Marie SVATOS, Andres GRAF
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Publication number: 20120039433Abstract: In one embodiment of the invention, a method for obtaining a tomogram of an anatomical structure is disclosed. In one step, an anatomical structure is scanned using a scanning source and a scanning detector. Both the scanning source and detector are connected to a gantry. In another step, the speed of the gantry is altered during the scanning process. Additionally or optionally the frame rate of the scan can be modified in such step. In a particular embodiment of the invention, the speed of the gantry is altered in synchronicity with the respiratory signal of a patient. Using such a method, a tomogram of an anatomical structure is obtained.Type: ApplicationFiled: August 16, 2010Publication date: February 16, 2012Inventors: Timo BERKUS, Xiu Ting ZHUANG, Andres GRAF, Markus OELHAFEN, Patrik KUNZ
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Publication number: 20110257457Abstract: Disclosed are radiation treatment systems with enhanced control architectures that enable more complex treatment plans to be implemented, and radiation treatment systems with enhanced resistance to the effect of neutrons. An exemplary control architectures comprises: a digital packet network; a supervisor electrically coupled to the digital packet network and having a treatment plan; and a plurality of nodes, each node coupled to digital packet network and controlling one or more treatment-related components of the radiation treatment system; and wherein the supervisor periodically communicates control orders to the nodes over the digital packet network.Type: ApplicationFiled: April 13, 2011Publication date: October 20, 2011Inventors: Andres Graf, Hanspeter Felix, Qingxiang Ke, Angi Ye