ST. PAUL, Minn.--(BUSINESS WIRE)--St. Jude Medical, Inc. (NYSE:STJ) announced today that a 62-year-old man from Shenzhen, Guangdong province has become the first patient in China to be implanted with the Eon™ neurostimulator, a rechargeable device used to help manage chronic pain. Despite prior back surgeries, the patient suffered from chronic back pain for more than a decade.