A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 27/34 (2006.01) C08J 7/04 (2006.01) G02B 1/04 (2006.01)
Patent
CA 2373541
The present invention is directed toward the surface treatment of silicone medical devices such as contact lenses and medical implants. In particular, the present invention is directed to a method of modifying the surface of a medical device to increase its biocompatibility or hydrophilicity by coating the device with a hydrophilic polymer by means of reaction between reactive functionalities on the hydrophilic polymer which functionalities are complementary to reactive functionalities on or near the surface of the medical device. The present invention is also directed to a contact lens or other medical device having such a surface coating.
Cette invention a trait à un traitement de surface de dispositif médicaux au silicone, notamment de lentilles de contact et d'implants médicaux. Elle concerne, plus précisément, une technique de modification de la surface d'un dispositif médical visant à accroître sa biocompatibilité ou sa nature hydrophile, laquelle technique consiste à enduire le dispositif d'un polymère hydrophile en déclenchant une réaction entre des fonctionnalités réactives sur ce polymère, ces fonctionnalités étant complémentaires de fonctionnalités réactives à la surface du dispositif médical ou proches de celle-ci. L'invention porte, de surcroît, sur une lentille de contact ou sur tout autre dispositif médical revêtu de cet enduit de surface.
Mcgee Joseph A.
Ozark Richard M.
Salamone Joseph C.
Valint Paul L. Jr.
Bausch & Lomb Incorporated
Osler Hoskin & Harcourt Llp
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