Degradable implantable medical devices

摘要

DEGRADABLE IMPLANTABLE MEDICAL DEVICES A degradable, implantable stent (10) comprising: a tubular body (18) comprising a corrodible metal alloy including at least one corrosion-controlling element within the corrodible metal alloy; and a passivation layer or a coating incorporated in or covering at least a portion of the body (18); wherein the stent (10) has a corrosion of less than 5% of a mass of the tubular body (18) or less than 10% of a surface area of the tubular body (18) prior to implantation.