# US 12,214,220 B2 · Method for providing result data which is suitable for use in planning the irradiation of a patient > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,214,220 B2 - Document ID: US12214220B2 - Status: Granted - Kind: B2 - Application number: 18/502,308 - Filed: 2023-11-06 - Published: 2024-02-29 - Granted: 2025-02-04 - Earliest claimed: 2017-08-23 - Assignees: Siemens Healthineers AG - Applicants: Siemens Healthcare GmbH - Inventors: Christopher Jude Amies; Christian Hofmann; Philipp Hoelzer; Mark-Aleksi Keller-Reichenbecher; Bjoern Kreisler; Andre Ritter; Rene Kartmann - Web page: https://patentgrep.com/patent/US12214220B2 ## CPC - A61N 5/1031: {using a specific method of dose optimization} - A61N 5/1039: {using functional images, e.g. PET or MRI} - A61N 5/1071: {for verifying the dose delivered by the treatment plan} - A61N 2005/1061: {using an x-ray imaging system having a separate imaging source} - A61N: ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY (measurement of bioelectric currents A61B; surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body A61B18/00; anaesthetic apparatus in general A61M; incandescent lamps H01K; infrared radiators for heating H05B) ## Abstract 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. ## Claims ### Claim 1 A method for provisioning result data suitable for planning an irradiation of a patient, the method comprising: acquiring CT measurement data of the patient via a CT device having a quantum counting X-ray detector, the acquiring including changing a detector parameter of the quantum counting X-ray detector during the acquiring, the changing the detector parameter including changing the detector parameter of the quantum counting X-ray detector during the acquiring of the CT measurement data such that a first setting of the detector parameter is set for acquiring the CT measurement data at a first z-position along a longitudinal direction of the patient, and a second setting of the detector parameter is set for acquiring the CT measurement data at a second z-position along the longitudinal direction of the patient; processing the CT measurement data to generate result data suitable for the planning of the irradiation of the patient, the processing the CT measurement data based on an information content of the CT measurement data resulting from use of the quantum counting X-ray detector in the acquiring of the CT measurement data; and provisioning the result data to an interface for planning the irradiation of the patient. ### Claim 2 (depends on 1) The method as claimed in claim 1, further comprising: acquiring, via the interface, further measurement data, the further measurement data being acquired by an imaging device of a radiotherapy device used for the irradiation of the patient; and adjusting the result data based on the further measurement data for the planning of the irradiation of the patient. ### Claim 3 (depends on 2) The method as claimed in claim 2, wherein the imaging device of the radiotherapy device has a quantum counting X-ray detector, the adjusting the result data includes adjusting the result data based on the further measurement data using the information content of the CT measurement data and information content of the further measurement data resulting from using the quantum counting X-ray detector in the acquiring of the further measurement data. ### Claim 4 (depends on 1) The method as claimed in claim 1, wherein the CT measurement data includes at least two CT measurement data sets acquired at different times, and the method further comprises: registering the at least two CT measurement data sets using the information content of the CT measurement data resulting from using the quantum counting X-ray detector in the acquiring of the CT measurement data; and providing the at least two CT measurement data sets to the interface. ### Claim 5 (depends on 1) The method as claimed claim 1, wherein a contrast media is used during the acquiring of the CT measurement data, and the processing of the CT measurement data includes a material decomposition of the CT measurement data in tissue having the contrast media and other tissue using the information content of the CT measurement data. ### Claim 6 (depends on 1) The method as claimed claim 1, wherein the acquiring includes using a contrast media during the acquiring of CT measurement data, and the processing the CT measurement data includes creating a virtual non-contrasted CT image using the information content of the CT measurement data. ### Claim 7 (depends on 1) An arithmetic unit, comprising: at least one calculation module, the arithmetic unit being configured to execute the method as claimed in claim 1. ### Claim 8 (depends on 7) A CT device, comprising: the arithmetic unit as claimed in claim 7. ### Claim 9 (depends on 1) A non-transitory computer readable medium storing executable instructions that, when executed by one or more processors of a programmable arithmetic unit, cause the programmable arithmetic unit to execute the method as claimed in claim 1. ### Claim 10 A method for provisioning result data suitable for planning an irradiation of a patient, the method comprising: acquiring CT measurement data of the patient via a CT device having a quantum counting X-ray detector; processing the CT measurement data to generate result data suitable for the planning of the irradiation of the patient, wherein the processing of the CT measurement data is based on an information content of the CT measurement data resulting from use of the quantum counting X-ray detector in the acquiring of the CT measurement data; and provisioning the result data to an interface for planning the irradiation of the patient, wherein the acquiring of the CT measurement data of the patient includes: changing a detector parameter of the quantum counting X-ray detector during the acquiring of the CT measurement data, wherein the changing of the detector parameter includes changing the detector parameter of the quantum counting X-ray detector during the acquiring of the CT measurement data such that a first setting of the detector parameter is set for acquiring the CT measurement data of a first body region of the patient, and a second setting of the detector parameter is set for acquiring the CT measurement data of a second body region of the patient. ### Claim 11 (depends on 10) The method as claimed in claim 10, further comprising: establishing the first body region and the second body region using at least one of existing medical image data of the patient or an Atlas database. ### Claim 12 (depends on 10) The method as claimed in claim 10, wherein the first body region includes a target volume of the irradiation, and the second body region includes a body region outside the target volume of the irradiation. ### Claim 13 (depends on 10) The method as claimed in claim 10, wherein the first body region is a region of the patient positioned in a beam region during the irradiation of the patient, and the second body region is a region of the patient positioned outside the beam region during the irradiation of the patient. ### Claim 14 (depends on 10) The method as claimed in claim 10, wherein the first body region receives a higher radiation dose than the second body region during the irradiation of the patient. ### Claim 15 (depends on 10) The method as claimed in claim 10, wherein the changing of the detector parameter includes changing the detector parameter of the quantum counting X-ray detector during the acquiring of the CT measurement data such that a higher resolution of the quantum counting X-ray detector is set for the acquiring of the CT measurement data from the first body region of the patient than for the acquiring of the CT measurement data from the second body region of the patient. ### Claim 16 A method for provisioning result data suitable for planning an irradiation of a patient, the method comprising: acquiring CT measurement data of the patient via a CT device having a quantum counting X-ray detector the acquiring including changing a detector parameter of the quantum counting X-ray detector during the acquiring, the changing the detector parameter including changing the detector parameter of the quantum counting X-ray detector during the acquiring of the CT measurement data such that a first setting of the detector parameter is set for acquiring the CT measurement data in a first rotational position of a detector-emitter system of the CT device, and a second setting of the detector parameter is set for acquiring the CT measurement data in a second rotational position of the detector-emitter system of the CT device; processing the CT measurement data to generate result data suitable for the planning the irradiation of the patient, the processing the CT measurement data based on an information content of the CT measurement data resulting from use of the quantum counting X-ray detector in the acquiring of the CT measurement data; and provisioning the result data to an interface for planning the irradiation of the patient.