Yufu Li,Deborah Schachter,Raymond S. Shissias,Sandra Wechsler
申请号:
US15828984
公开号:
US20180140751A1
申请日:
2017.12.01
申请国别(地区):
US
年份:
2018
代理人:
摘要:
An implantable medical device, which comprises a device substrate, a coating on the substrate which includes a drug, and a protective layer which overlies the coating. The protective layer comprises a polymer selected from the group consisting of polylactic acid, polyglycolic acid and a lactic acid/glycolic acid copolymer having a weight average molecular weight of not more than 40,000.