Patent ID: 7819912
Filing Date: 2010-10-26
Classification: A61F

Abstract:
1. An expandable medical device comprising: a plurality of elongated struts joined together to form a substantially cylindrical tube which is expandable from a cylinder having a first diameter to a cylinder having a second diameter; a plurality of reduced area ductile hinges interconnecting the plurality of elongated struts, wherein the ductile hinges have a cross sectional area smaller than a cross sectional area of the elongated struts, and the ductile hinges deform upon expansion or compression of the cylindrical device while the struts are substantially undeformed; and a plurality of holes containing a beneficial agent formed in the elongated struts; wherein the ductile hinges have a substantially constant width in a circumferential dimension along a portion of a hinge length which is at least ⅓ the total length of a hinge.