Antimicrobial medical devices including silver nanoparticles

Details Antimicrobial medical devices including silver nanoparticles Antimicrobial medical devices including silver nanoparticles

G - Physics

02

B

G02B 1/04 (2006.01)

Patent

CA 2675505

Methods for making an antimicrobial medical device, preferably an antimicrobial ophthalmic device, more preferably an antimicrobial extended-wear contact lens, which contains chloride-treated silver nanoparticles distributed uniformly therein. The antimicrobial medical device can exhibit antimicrobial activity over an extended period of time but is substantially free of the characteristic yellowish color of the untreated silver nanoparticles.

Cette invention a trait à des procédés permettant de fabriquer un dispositif médical antimicrobien, de préférence un dispositif ophtalmique antimicrobien, idéalement une lentille de contact antimicrobienne à port prolongé, qui contient des nanoparticules d'argent traitées au chlore et réparties uniformément. Le dispositif médical antimicrobien peut présenter une activité antimicrobienne sur une durée prolongée mais il est sensiblement dépourvu de la couleur jaunâtre caractéristique des nanoparticules d'argent non traitées.

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