Irvine-based Endologix, which develops medical devices for the minimally invasive treatment of aneurysms, said this morning that it has hired Gary I. Sorsher as the firm's Vice President of Quality. According to Endologix, Sorsher joins the firm from Bard Peripheral Vascular, and has also served at Cordis. Endologix develops a endovascular stent graft used for treating abdominal aortic aneurysms.