Computer-aided positioning method and system

Details Computer-aided positioning method and system Computer-aided positioning method and system

A - Human Necessities

61

B

A61B 17/00 (2006.01) A61B 6/00 (2006.01) A61B 19/00 (2006.01) A61F 2/46 (2006.01) G06F 19/00 (2006.01)

Patent

CA 2334495

A method and apparatus are disclosed for ascertaining the trajectory of an object in relation to an anatomical structure for use with computer assisted surgery by identifying at least three landmarks associated with the anatomical structure in an operative area; defining a first plane using at least two landmarks; defining a second plane using at least two landmarks, wherein at least one landmark is different, said second plane being orthogonal to the first plane, such as to define a three dimensional coordinate system; and using the coordinate system to ascertain the trajectory of any object with respect to the anatomical structure. Exposure to imaging radiation and additional surgical procedure is minimized.

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