Wolf Creek Care Center has taken delivery of one of medicine’s latest robotic advances — a Tibion Bionic Leg, which enables its staff to help stroke patients and others escape life in a wheelchair by recovering their ability to walk. The Bionic Leg acquired by Wolf Creek is the 100th such device delivered by Tibion Corporation, a Silicon Valley startup based in Sunnyvale, according to a news release. Each year, almost half of the more than 700,000 Americans who survive a stroke are left with weakness in the leg on their affected side, which impairs their ability to walk. About …