Coating for medical devices comprising a copolymer of a...

A - Human Necessities – 61 – L

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A61L 27/34 (2006.01) A61L 29/08 (2006.01) A61L 31/10 (2006.01)

Patent

CA 2442593

The invention relates to a coating for medical devices. The coating comprises a specific copolymer of a polyalkylere glycol terephtalate and an aromatic polysester which the composition may be adjusted such as to archieve an excellent adhesion to a wide range of surfaces. The coating may further comprise an additive, such as a biologically active agent, which may be released in vivo in a controlled manner, as the degradability of the coating may also be adjusted to a predetermined rate. The invention further relates to a process for applying the coating to a surface and to a medical device comprising the coating.

La présente invention concerne un revêtement pour dispositifs médicaux. Ce revêtement comprend un copolymère spécifique dont la composition est adaptable de façon à atteindre une excellente adhérence sur une vaste gamme de surfaces. Ce revêtement peut en outre comprendre un additif, telle qu'un agent biologiquement actif pouvant se libérer in-vivo de façon contrôlée, dans la mesure où la dégradabilité du revêtement peut également par réglage se faire selon une vitesse définie. L'invention concerne également, d'une part un procédé pour appliquer le revêtement sur une surface, et d'autre part un dispositif médical comprenant ce revêtement.

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