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1. (WO2017066547) SYSTEM FOR THREE DIMENSIONAL MEASUREMENT OF FOOT ALIGNMENT

Pub. No.:    WO/2017/066547    International Application No.:    PCT/US2016/057009
Publication Date: Fri Apr 21 01:59:59 CEST 2017 International Filing Date: Sat Oct 15 01:59:59 CEST 2016
IPC: A61B 5/103
A61F 2/02
A61F 2/30
A61F 2/50
A61F 2/76
Applicants: CURVEBEAM, LLC
Inventors: LINTZ, Francois, L.A.
LONG, Guy, D.C.
WINSON, Ian, G.
MUNDRY, Uwe, Hans
Title: SYSTEM FOR THREE DIMENSIONAL MEASUREMENT OF FOOT ALIGNMENT
Abstract:
A system for determining the alignment measurement of the foot and ankle is disclosed. The system uses data representative of a three dimensional scanned image of a patient's foot and ankle while the patient was applying weight on the foot. Next the system detects the three dimensional coordinates associated with at least three predetermined landmarks on the patent's foot in the scanned image. A ground plane is determined using the predetermined landmarks. A center of a talar dome is determined in the scanned data. An ankle offset lever arm id determined from the set of landmarks and center of the talar dome.