Method for applying a coating to a medical device

Details Method for applying a coating to a medical device Method for applying a coating to a medical device

2005-02-22

2005-02-22

Beck, Shrive P. (Department: 1762)

Coating processes

Medical or dental purpose product; parts; subcombinations;...

Implantable permanent prosthesis

C427S601000, C427S133000, C427S164000, C427S430100, C118S423000, C351S16000R, C351S177000

Reexamination Certificate

active

06858248

ABSTRACT:
This invention provides a method for efficiently applying a coating to each of a plurality of objects selected from the group consisting of ophthalmic lenses, molds for making ophthalmic lenses, and other medical devices, the method comprising dipping the plurality of objects into a coating bath containing a coating solution having a coating material; and creating with a means a convective current flow and thereby forcing a coating solution flowing over and under each of the plurality of ophthalmic lenses. In a preferred embodiment, the plurality of objects are held in baskets which are pre-conditioned to have a first layer of polyelectrolytes and a second layer of aqueous solution or have a mixed layer of polyelectrolytes and aqueous solution on the surfaces of the baskets.

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