CPC A61B 34/20 (2016.02) [A61B 34/10 (2016.02); A61B 90/39 (2016.02); G06T 19/003 (2013.01); G06T 19/006 (2013.01); A61B 2034/107 (2016.02); A61B 2034/2055 (2016.02); A61B 2090/3904 (2016.02); G06T 2210/41 (2013.01)] | 22 Claims |
1. A marker for image guided surgery, comprising:
a base, having a base axis, connecting to an anchoring device; and
an alignment target, comprising:
a target region having an alignment pattern formed thereon;
a socket connected to the target region and configured to fit rotatably to the base, whereby the alignment target is rotatable about the base axis; and
an optical indicator for the socket indicating an angle of orientation of the alignment target about the base axis.
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