Procyrion – developer of the catheter-deployed Aortix percutaneous mechanical circulatory support device – has a new board member. Lucas Buchanan is the COO of Sunnyvale, California-based Silk Road Medical. Boston Scientific is in the process of acquiring Silk Road and its technology to prevent stroke in patients with carotid artery disease in a $1.16 billion deal. At Silk Road Medical, Buchanan leads manufacturing and operations, finance and accounting, IT, commercial operations and analytics, health economics and reimbursement, and corporate development efforts.