A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 19/00 (2006.01) G01B 5/016 (2006.01)
Patent
CA 2473470
A system for displaying an approximate model of a surface of an anatomical structure, the anatomical structure being a bone, comprises a registration tool having a first end adapted for applying directly in contact against a surface of the bone. A position sensing system is associated to said registration tool and is configured for acquiring input data representing a plurality of locations on the surface of the bone acquired at the contact between the registration tool and the bone such that a position and orientation of said registration tool is determined at each of said plurality of locations. The position sensing system is associated to at least another surgical tool for tracking the surgical tool. A storing module is configured for receiving and storing the input data from said position sensing system. A processing module is configured for processing the input data into an approximate model of the surface of the bone without using an image of the anatomical structure, taken pre-operatively or intra-operatively. An output device displays the approximate model of the bone with the surgical tool during navigation in surgery, and without any image of the anatomical structure taken pre-operatively or intra-operatively.
L'invention concerne un procédé de présentation peropératoire d'un modèle approché d'une structure anatomique par collecte d'une nuée de petites surfaces. La nuée de petites surfaces est recueillie à l'aide d'un pointeur d'alignement pourvu d'une pointe adaptée permettant de faire le contact avec la surface d'une structure anatomique et d'aligner la normale au point de contact.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Orthosoft Inc.
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