US 10,462,888 B2
Systems and methods for determining a position of a focal spot of an X-ray source
Songchao Guo, Shanghai (CN)
Assigned to SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD., Shanghai (CN)
Filed by SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD., Shanghai (CN)
Filed on Aug. 31, 2017, as Appl. No. 15/693,328.
Claims priority of application No. 2017 1 0398128 (CN), filed on May 31, 2017.
Prior Publication US 2018/0352638 A1, Dec. 6, 2018
Int. Cl. A61B 6/00 (2006.01); G01T 1/16 (2006.01); H05G 1/02 (2006.01); H05G 1/26 (2006.01); G21K 1/10 (2006.01); G01T 1/00 (2006.01); G01T 1/29 (2006.01); A61B 6/03 (2006.01)
CPC H05G 1/26 (2013.01) [A61B 6/4021 (2013.01); A61B 6/5258 (2013.01); A61B 6/547 (2013.01); G01T 1/00 (2013.01); G01T 1/29 (2013.01); H05G 1/02 (2013.01); A61B 6/032 (2013.01); G21K 1/10 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system for determining a position of a focal spot of an X-ray source, comprising:
a tracking device radiated by the X-ray source, the tracking device including:
a shelter configured to attenuate X-rays emitted from the focal spot of the X-ray source; and
an X-ray receiver including a plurality of X-ray receiving regions configured to receive X-rays, at least one of the plurality of X-ray receiving regions receiving X-rays that include attenuated X-rays by the shelter and unattenuated X-rays, wherein the shelter and the X-ray receiver are separated by a distance.