C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 7/04 (2006.01) A61L 27/34 (2006.01) A61L 29/08 (2006.01) A61L 31/10 (2006.01)
Patent
CA 2409942
The invention provides a method for improving the wettability of a medical device, comprising the steps of: (a) providing a medical device formed from a monomer mixture comprising a hydrophilic monomer and a silicone-containing monomer, wherein said medical device has not been subjected to a surface oxidation treatment; (b) contacting a surface of the medical device with a solution comprising a proton-donating wetting agent, whereby the wetting agent forms a complex with the hydrophilic monomer on the surface of the medical device in the absence of a surface oxidation treatment step and without the addition of a coupling agent.
La présente invention concerne un procédé permettant d'améliorer la mouillabilité d'un dispositif médical, qui consiste: (a) à prendre un dispositif médical formé d'un mélange de monomères comprenant un monomère hydrophile et un monomère contenant du silicone, ce dispositif médical n'ayant pas été soumis à un traitement de surface par oxydation, (b) à mettre une surface de ce dispositif médical en contact avec une solution comprenant un agent mouillant donneur de protons, cet agent mouillant formant un complexe avec le monomère hydrophile sur la surface de ce dispositif médical en l'absence d'étape de traitement de surface par oxydation, et ce, sans addition d'un agent de couplage.
Kunzler Jay F.
Salamone Joseph C.
Seelye David E.
Bausch & Lomb Incorporated
Osler Hoskin & Harcourt Llp
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