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NDI Releases A New Robust Tracking Marker for Computer-Assisted Surgery

October 2, 2008

WATERLOO, Canada -- NDI (Northern Digital Inc.), a world-leader in 3D measurement technology for medical, industrial and research applications, is pleased to announce the release of an innovative new tracking marker for use with its Polaris® line of products. NDI's Polaris systems are integrated into the world's leading computer-assisted surgery devices (CAS). As the uses for CAS expand, demands on the tracking technology continue to evolve.

The Radix lens (patent pending) is a new passive tracking technology, designed specifically for use in harsh surgical environments. The surface of the marker is a clear, smooth plastic hemisphere that naturally sheds liquid contamination. If the contamination collects on the marker sufficiently enough to interrupt tracking, the marker can be easily cleaned. Tracking can be quickly resumed, minimizing interruption to the surgical workflow. The retro-reflective Radix lens is designed to work with the Polaris and Polaris Spectra systems and is fully compatible for simultaneous use with existing markers.

"As computer-assisted surgery continues to expand into new medical applications, increasing demand is being placed on the technology" says David Rath, VP, Medical Division. "Optical tracking is now being used in environments which require the markers to be robust, and resistant to liquid and tissue contamination. We are pleased to be able to offer our customers another choice for these types of applications."

The Radix lens is responding to the new demands that are being placed on navigation tracking technology. For more information about the Radix lens or other NDI products, please visit NDI's Medical Division.

About NDI

Established over 25 years ago, NDI is trusted by international leaders in medicine, industry and research for the accuracy and reliability of its measurement technology. NDI systems are used in applications from computer-assisted surgery to aeronautics; from quality inspection to human motion research. Today, the company is a world leader in advanced 3D measurement technology. With over 14,000 installations in more than 30 countries around the world, NDI’s success has been built on the ability to understand and meet the unique individual needs of customer applications.