Method for applying a coating to a medical device
First Claim
1. A method for efficiently applying a coating to each of a plurality of objects, the method comprisingpre-conditioning a plurality of baskets which is contained in one or more trays, loading each of the plurality of objects into one of the plurality of the pre-conditioned baskets, and dipping the plurality of objects into a bath containing a coating solution having a coating material.
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Accused Products
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.
37 Citations
15 Claims
- 1. A method for efficiently applying a coating to each of a plurality of objects, the method comprisingpre-conditioning a plurality of baskets which is contained in one or more trays, loading each of the plurality of objects into one of the plurality of the pre-conditioned baskets, and dipping the plurality of objects into a bath containing a coating solution having a coating material.
Specification