Method of coating stents

Details Method of coating stents Method of coating stents

A - Human Necessities

61

L

A61L 27/34 (2006.01) A61L 27/54 (2006.01) A61L 31/10 (2006.01) A61L 31/16 (2006.01)

Patent

CA 2575309

Processes for coating implantable medical devices that improve the stability of therapeutic agents contained within the coating. In one embodiment, the process comprises: applying a primer coating on the implantable medical device; preparing a basecoat solution comprising polymers and a therapeutic agent and applying the basecoat solution to the implantable medical devices; preparing a topcoat solution comprising at least one polymer and applying the topcoat solution to the implantable medical devices coated with the basecoat solution; applying a solvent to partially redissolve the topcoat and basecoat while altering the surface finish and dissolution properties of the therapeutic agent; and final processing the implantable medical devices, including inspecting, packaging and sterilizing the coated medical devices.

L'invention concerne des procédés destinés à revêtir des dispositifs médicaux implantables et permettant d'améliorer la stabilité d'agents thérapeutiques contenus dans le revêtement.

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