Thermal treatment of a drug eluting implantable medical device
First Claim
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1. A method of manufacturing a stent coating, comprising:
- applying a composition to a stent, the composition including a polymer and a solvent;
allowing the solvent to evaporate to form a coating; and
exposing the coating to a temperature equal to or greater than the glass transition temperature of the polymer for a duration of time, wherein the polymer is a semicrystalline polymer having about 40 to 75 percent crystallinity prior to the act of exposing.
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Abstract
A coating and a method of coating an implantable medical device, such as a stent, is disclosed. The method includes subjecting the coating to a thermal condition which can result in reduction of the rate of release of an active agent from the coating subsequent to the implantation of the device.
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Citations
21 Claims
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1. A method of manufacturing a stent coating, comprising:
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applying a composition to a stent, the composition including a polymer and a solvent; allowing the solvent to evaporate to form a coating; and exposing the coating to a temperature equal to or greater than the glass transition temperature of the polymer for a duration of time, wherein the polymer is a semicrystalline polymer having about 40 to 75 percent crystallinity prior to the act of exposing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification