RADIALLY EXPANDABLE ENDOPROSTHESIS DEVICE WITH TWO-STAGE DEPLOYMENT

摘要

A radially expandable endoprosthesis device with a valve prosthesis (40) having a two-stage deployment capability. The valve prosthesis (40) includes a ring construction or annulus (42) made of a superelastic alloy with a bioresorbable material coating (44) thereon. The superelastic alloy and bioresorbable material (44) can be used to adjust the size of the valve prosthesis (40) in response to the growth of a pediatric patient.