Method and apparatus for real time respiratory gating signal generation and detection of body deformation using embedded fiber bragg gratings
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United States of America
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Jan 28, 2025
Grant Date -
Jun 27, 2024
app pub date -
Jan 10, 2024
filing date -
Jan 10, 2024
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Abstract
A method and system of compensating for body deformation during image acquisition or external beam treatment includes acquiring image data of a body and peak wavelength data from a plurality of fiber Bragg gratings (FBGs) disposed on the body aligned along a predetermined coordinate system on the body, such as a cartesian coordinate system. The method further comprises detecting effective shifts of the Bragg wavelengths of the FBGs caused by body deformation during image acquisition, and controlling the movement of the body through a cavity in a scanning device and controlling the acquisition of the image data or external beam treatment during body deformation based on the effective shifts of the Bragg wavelengths of the FBGs.
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