Coated medical implants and lenses

A - Human Necessities – 61 – L

Patent

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Details

A61L 27/34 (2006.01)

Patent

CA 2677966

Coated medical implants have an implant body configured for securing in or adjacent to body tissue of a patient. The implant body has an implant surface and a coating is formed on at least a portion of the implant surface. The coating includes a coating outer surface of a first chemical component that is chemically bonded to a carboxylate functionality of a second chemical component. The second chemical component is immobilized by amide linkage to an underlying third chemical component that is plasma coated directly onto implant body surfaces. The coating either inhibits or prevents the adhesion of protein and/or cellular proliferation or may be a non-fouling coating.

L'invention concerne des implants médicaux revêtus ayant un corps d'implant configuré pour être fixé à un tissu corporel d'un patient ou près de celui-ci. Le corps d'implant a une surface d'implant et un revêtement est formé sur au moins une partie de la surface d'implant. Le revêtement comprend une surface externe de revêtement d'un premier composant chimique qui est chimiquement lié à une fonctionnalité carboxylate d'un deuxième composant chimique. Le deuxième composant chimique est immobilisé par une liaison amide sur un troisième composant chimique sous-jacent qui est directement revêtu de plasma sur les surfaces de corps d'implant. Le revêtement inhibe ou bien empêche l'adhérence de protéine et/ou la prolifération cellulaire ou peut être un revêtement non salissant.

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