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US 2025/0375260 A1Published application
Medical instrument with positioning x-ray markers, a computer-implemented method for determining positioning information, and an x-ray device
OwnerAlois Regensburger, Stephan Kellnbergerinventors
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Abstract
A medical instrument for invasive use has an X-ray marker arrangement with at least two X-ray marker areas. The X-ray marker areas are configured to have different absorption properties for X-radiation with different energy spectra, and the X-ray marker areas are arranged successively on the medical instrument with regard to a predetermined spatial direction.
Claims16
A medical instrument for invasive use, the medical instrument comprising:
- an X-ray marker arrangement comprising at least two X-ray marker areas,
- wherein the at least two X-ray marker areas are configured to have different absorption properties for X-radiation with different energy spectra, and
- wherein the at least two X-ray marker areas are arranged successively on the medical instrument with regard to a predetermined spatial direction.
A method for determining positioning information for an invasive medical instrument, the method being computer-implemented and comprising:
- receiving a tomographic image by a computer unit;
- detecting at least one instrument in the tomographic image;
- determining a spatial position of the at least one instrument in the tomographic image;
- receiving an X-ray image data set comprising the spatial position of the at least one instrument, which is based on at least two X-ray images that were produced with X-radiation with a different energy spectrum in each case;
- determining at least one parameter value from the X-ray image data set for the spatial position of the at least one instrument, wherein the at least one parameter value depends on different absorption properties of the at least one instrument or of an X-ray marker area of the at least one instrument for X-radiation with different energy spectra;
- determining positioning information assigned to the respective parameter value;
- and
- outputting the positioning information or information derived from the positioning information via an output device.
5 more elements
An X-ray device comprising:
- a computer unit comprising a processor configured to determine positioning information for an invasive medical instrument, the determination of the positioning information for the invasive medical instrument comprising:
- receipt of a tomographic image by a computer unit;
- detection of at least one instrument in the tomographic image;
- determination of a spatial position of the at least one instrument in the tomographic image;
- receipt of an X-ray image data set comprising the spatial position of the at least one instrument, which is based on at least two X-ray images that were produced with X-radiation with a different energy spectrum in each case;
- determination of at least one parameter value from the X-ray image data set for the spatial position of the at least one instrument, wherein the at least one parameter value depends on different absorption properties of the at least one instrument or of an X-ray marker area of the at least one instrument for X-radiation with different energy spectra;
- determination of positioning information assigned to the respective parameter value;
- and
- output of the positioning information or information derived from the positioning information via an output device.
6 more elements
In a non-transitory computer-readable storage medium that stores instructions executable by one or more processors to determine positioning information for an invasive medical instrument, the instructions comprising:
- receiving a tomographic image by a computer unit;
- detecting at least one instrument in the tomographic image;
- determining a spatial position of the at least one instrument in the tomographic image;
- receiving an X-ray image data set comprising the spatial position of the at least one instrument, which is based on at least two X-ray images that were produced with X-radiation with a different energy spectrum in each case;
- determining at least one parameter value from the X-ray image data set for the spatial position of the at least one instrument, wherein the at least one parameter value depends on different absorption properties of the at least one instrument or of an X-ray marker area of the at least one instrument for X-radiation with different energy spectra;
- determining positioning information assigned to the respective parameter value;
- and
- outputting the positioning information or information derived from the positioning information via an output device.
5 more elements
Dependencies are inferred from the claim text.