System and method for identifying a landmark

Details System and method for identifying a landmark System and method for identifying a landmark

A - Human Necessities

61

B

A61B 19/00 (2006.01) A61B 17/17 (2006.01) A61B 17/72 (2006.01)

Patent

CA 2678369

A system (10, 110) for identifying a landmark is disclosed. The system includes a field generator (16, 116) for generating a magnetic field, an orthopaedic implant (30, 130) located within the magnetic field, the implant having at least one landmark (31) and a first magnetic sensor (32) spaced apart from the landmark, a landmark identifier (18, 118) with a second magnetic sensor (20, 120) and a processor (12, 112) for comparing sensor data from the first and second sensor and using the set distance to calculate the position of the landmark identifier relative to the at least one landmark. The system allows for blind targeting of one or more landmarks.

L'invention concerne un système (10, 110) permettant d'identifier un point de repère. Le système comprend un générateur de champ (16, 116) destiné à générer un champ magnétique, un implant orthopédique (30, 130) situé dans le champ magnétique, l'implant possédant au moins un point de repère (31) et un premier capteur magnétique (32) distant du point de repère, un identificateur de point de repère (18, 118) muni d'un second capteur magnétique (20, 120), et un processeur (12, 112) servant à comparer les données fournies par le premier et le second capteur et utilisant la distance fixée pour calculer la position de l'identificateur de point de repère par rapport au(x) point(s) de repère. Ce système permet de cibler sans visibilité un ou plusieurs points de repère.

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