US 12,465,787 B2
Radiotherapy monitoring system and method for controlling same
Hao Yan, Xi'an (CN); Tianchang Gou, Xi'an (CN); and Jinsheng Li, Xi'an (CN)
Assigned to OUR UNITED CORPORATION, Xi'an (CN)
Filed by OUR UNITED CORPORATION, Xi'an (CN)
Filed on Sep. 26, 2022, as Appl. No. 17/935,265.
Claims priority of application No. 202111130393.4 (CN), filed on Sep. 26, 2021.
Prior Publication US 2023/0099962 A1, Mar. 30, 2023
Int. Cl. A61N 5/10 (2006.01)
CPC A61N 5/1049 (2013.01) [A61N 5/1081 (2013.01); A61N 2005/1059 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A radiotherapy monitoring system, comprising:
radiotherapy equipment, wherein the radiotherapy equipment comprises a support apparatus for carrying a patient and is provided with one or more isocenters; and
one or more stereo cameras, wherein the one or more stereo cameras correspond to the one or more isocenters in a one-to-one correspondence, a shooting range of each stereo camera covers an isocenter corresponding to the stereo camera, and the one or more stereo cameras are configured to acquire three-dimensional surface images of the patient to monitor a movement of the patient based on the three-dimensional surface image;
wherein the radiotherapy equipment further comprises a non-open gantry, the one or more isocenters comprise an actual isocenter disposed in the non-open gantry and a virtual isocenter that is disposed outside the non-open gantry and is disposed above a support surface of the support apparatus, and there is a preset position relationship between the virtual isocenter and the actual isocenter; and
the one or more stereo cameras comprise a first stereo camera corresponding to the actual isocenter and a second stereo camera corresponding to the virtual isocenter, wherein a shooting direction of the first stereo camera faces an interior area of the non-open gantry, and the shooting range of the first stereo camera covers the actual isocenter; and a shooting direction of the second stereo camera faces the support surface of the support apparatus, and the shooting range of the second stereo camera covers the virtual isocenter.