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US 2015/0030654 A1Published application
PDLLA Stent Coating
AssigneeAdvanced Cardiovascular Systems, Inc.
InventorsWouter E. Roorda, Ni Ding
Life of this patent
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Abstract
An amorphous PDLLA stent coating for drug delivery is disclosed.
Claims2
A stent comprising a coating, the coating consisting of a poly(D,L-lactic acid) (PDLLA) and a macrocyclic drug, wherein the PDLLA has a degree of crystallinity of less than 20 percent, the measurement being by weight of the amount of polymer that is in the form of crystallites as measured by differential scanning calorimetry, wherein the coating has a thickness of 0.05 microns to 10 microns, and wherein the stent on which the coating is disposed is made from a bioabsorbable polymer.
Dependencies are inferred from the claim text.