said it delivered the first prototype of its Genexpert DNA detection system to the U.S. Army Medical Research Institute.

The system is the first PCR-based instrument that can fully automate all of the steps necessary for DNA detection and will allow operators with minimal training to obtain a sample in less than 30 minutes.

The medical device maker said it expects the system to be commercially available in 2003.

Shares of Cepheid were recently trading up about 10% to $5.10 in Instinet premarket action.