Method for coating a medical device using a solvent to...

A - Human Necessities – 61 – L

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

Patent

CA 2585700

A method is provided for coating at least a portion of at least one medical device. The method includes arranging a polymer on the portion of the medical device, arranging a bioactive agent on the portion of the medical device, and spraying, subsequent to the arranging of the polymer and the arranging of the bioactive agent, a solvent on the portion of the medical device. The method may further include selecting a composition of the solvent to achieve a desired agent release response profile for the medical device. A medical appliance is provided having a coating applied by a method that includes arranging a polymer on the portion of the medical device, arranging a bioactive agent on the portion of the medical device, and subsequently spraying a solvent on the portion of the medical device. A method is provided for achieving a desired agent release response profile for a medical device by reflowing the coating with a solvent.

L'invention concerne un procédé de recouvrement d'au moins une partie d'un dispositif médical. Ce procédé consiste à disposer un polymère sur la partie du dispositif médical, à placer un agent bioactif sur ladite partie et, puis, suite à la disposition du polymère et dudit agent, à pulvériser un solvant sur la partie du dispositif médical. Le procédé consiste, en outre, à sélectionner une composition du solvant de façon à parvenir à un profil de réponse de libération d'agent souhaité pour dispositif médical. Un appareil médical est pourvu d'un revêtement appliqué par un procédé qui consiste à disposer un polymère sur la partie du dispositif médical, à placer un agent bioactif sur la partie dudit dispositif et, puis, à pulvériser un solvant sur la partie du dispositif médical. Ladite invention a aussi pour objet un procédé de réalisation d'un profil de réponse de libération d'agent souhaité par refusion du revêtement avec un solvant.

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