Radiation dose measuring method
AssigneeNeuboron Medtech Ltd.
InventorsYuanhao Liu, Ming-Chen Hsiao
Life of this patent
Estimating the term…
Abstract
Provided are a method for measuring dose distribution in a mixed radiation field of neutrons and gamma rays, and a method for measuring beam uniformity of a mixed radiation field of neutrons and gamma rays. The planar dose measuring method includes: a step of obtaining a total dose of neutrons and gamma rays by measuring with a dosimeter; and a step of analyzing a neutron dose. The method may effectively measure the doses of neutrons and gamma rays, may be applied to beam measurement and treatment plan validation, and thus improve the quality of treatment.
Claims16
A radiation dose measuring method for a mixed radiation field of neutrons and gamma rays, comprising:
- a step of obtaining a total dose of neutrons and gamma rays by measuring with dosimeter;
- and
- a step of analyzing a neutron dose;
- wherein the step of analyzing a neutron dose comprises a step of calculating and obtaining a neutron dose in the center region of the dosimeter;
- a step of correcting the neutron detection efficiency of the dosimeter by the neutron relative effect of optical density of the dosimeter;
- and a step of analyzing neutron intensity distribution.
A radiation dose measuring method for a mixed radiation field, wherein the mixed radiation field comprises a first ray and a second ray, wherein the radiation dose measuring method comprises:
- a step of obtaining a total dose of the first ray and the second ray by measuring with a dosimeter, wherein the first ray is a neutron ray;
- and
- a step of analyzing a neutron dose;
- wherein the step of analyzing a neutron dose comprises a step of calculating and obtaining a neutron dose in the center region of the dosimeter;
- a step of correcting the neutron detection efficiency of the dosimeter by the neutron relative effect of optical density of the dosimeter;
- and a step of analyzing neutron intensity distribution.
A radiation dose measuring method for a mixed radiation field of neutrons and gamma rays, wherein the radiation dose measuring method comprises:
- a step of obtaining a total dose of neutrons and gamma rays by measuring with a dosimeter;
- and
- a step of separating the neutron dose and gamma dose;
- wherein the step of separating the neutron dose and gamma dose comprises a step of analyzing the neutron dose;
- a step of obtaining the gamma dose by subtracting the neutron dose from the total dose of neutrons and gamma rays;
- wherein the step of analyzing the neutron dose comprises a step of calculating and obtaining a neutron dose in the center region of the dosimeter;
- a step of correcting the neutron detection efficiency of the dosimeter by the neutron relative effect of optical density of the dosimeter;
- and a step of analyzing neutron intensity distribution.
Dependencies are inferred from the claim text.