Patent Number: 7,820,446

Title: System for tracking a spatial position of an object via a tracking system

Abstract: A transparent marker casing for use with a tracking system, comprising a material that is transparent to radiation emanating from at least one marker, wherein the marker casing is formed such that it at least partially surrounds the at least one marker. The casing can include a moisture sensor that can detect moisture or liquid on a surface of the casing and provide a signal indicative of the presence of moisture.

Inventors: Feilkas; Thomas (Grafing, DE), Huber; Hansjorg (Munchen, DE)

Assignee: BrainLAB AG

International Classification: G01N 33/00 (20060101)

Expiration Date: 2018-10-26 0:00:00