Medstone is the distributor, manufacturer and fee-per-procedure service provider of lithotripters in the United States. Lithotripsy is a non-invasive cost-effective and proven treatment that uses shock waves to break down kidney stones. Medstone manufactures its extracorporeal shockwave lithotripters for sale to third parties and for use within its own shared services program. In addition, the Company manufactures and distributes a transportable urology table, and broad line of X-ray equipment. Medstone will introduce its new fixed cyto table at the AUA in Atlanta in April 2000, and is developing new applications for its shock wave technology.