发明名称 PDLLA STENT COATING
摘要 An amorphous PDLLA stent coating for drug delivery is disclosed.
申请公布号 US2015359943(A1) 申请公布日期 2015.12.17
申请号 US201514832889 申请日期 2015.08.21
申请人 Abbott Cardiovascular Systems Inc. 发明人 Roorda Wouter E.;Ding Ni
分类号 A61L31/08;A61K31/439;A61L31/16;A61F2/82 主分类号 A61L31/08
代理机构 代理人
主权项 1. 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.
地址 Santa Clara CA US