Company Profile Walz Elektronik GmbH Lithotripsy devices for urology and gastroenterology. Walz Elektronik GmbH is located in Rohrdorf near Stuttgart (Germany). It develops, manufactures and services medical devices and accessories for the world market. During the last 40 years we have focused on electronic devices for disintegrating and removing concrements (stones) in gastroenterology and urology. Our niche is the disintegration of stones in difficult situations (big, fixed, hard stones and stones in difficult locations for example in the choledochus). In this niche we have reached a leading position in the world market. We are pioneers in electrohydraulic lithotripsy (EHL) with nearly 40 years of experience. More than 20 property rights (patents) result from our German engineering capabilities. Walz devices are used in clinics worldwide. Far more than 2000 devices sold shows our success!