Micro wireless pacemaker approved for use in Europe 10/16/2013 - 00:00 St. Jude Medical Inc. has received European approval to market the first pacemaker that does not require implanted wires to attach to the heart.The first-of-a-kind device was developed by California-based startup Nanostim with funding from St. Jude. The St. Paul, Minn.-based device maker also said it would acquire of the smaller company for more than $123 million under a previously negotiated option agreement between the companies.