Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
January 10, 2012
Patent Application Number
10716485
Date Filed
November 20, 2003
Patent Citations Received
Patent Primary Examiner
Patent abstract
A position measuring apparatus, for use in an assisting apparatus for surgical opertions, includes a position indicating apparatus for indicating a position and a direction of a tool, and three-dimensional position measuring apparatus for measuring a position and a direction of a surgical field and also the position and the direction of the tool. The position indicating apparatus and the three dimensional position measuring apparatus are unified in one body in the relative position thereof, so that a position for assistance of surgical operation is indicated in the form of an intersection line or an intersection point of the laser beams, irrespective of the position of the position measuring apparatus.
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