Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 8, 2019
Patent Application Number
15833313
Date Filed
December 6, 2017
Patent Citations Received
Patent Primary Examiner
Patent abstract
An imaging system such as a medical C-arm x-ray fluoroscopy machine includes a tracking system that tracks a position of an x-ray source and an x-ray detector using sensors which monitor positions of joints which allow relative motions of segments in a support for the x-ray source and detector. Sensor readings are used in a kinematic chain. One or more segments that behave in a non-rigid manner are replaced by a virtual rigid link in the kinematic chain that takes into account deformations of the segments (e.g. under the influence of gravity). Calibration methods permit calibration of the system using images of phantoms.
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