Steris (Mentor, Ohio) reported the signing of a definitive agreement to acquire all the outstanding shares of privately-owned United States Endoscopy Group (Mentor, Ohio), a company that develops therapeutic and diagnostic medical devices and support accessories used in the gastrointestinal (GI) endoscopy markets worldwide, for $270 million. With the acquisition of US Endoscopy, Steris said it will significantly expand its presence in the GI market and gain direct access to the procedural spaces in the GI market with a franchise of proprietary, single-use consumable medical devices.