US 7,320,690 B2
IOL insertion device with lubricious coating
Ellington M. Beavers, Meadowbrook, Pa. (US); Elizabeth Pervin, Philadelphia, Pa. (US); and William J. Work, Huntingdon Valley, Pa. (US)
Assigned to Biocoat Incorporated, Horsham, Pa. (US)
Filed on May 13, 2004, as Appl. No. 10/845,472.
Prior Publication US 2005/0256528 A1, Nov. 17, 2005
Int. Cl. A61F 9/00 (2006.01)
U.S. Cl. 606—107 22 Claims
 
1. In an insertion device for an intra-ocular lens (IOL), the insertion device including a channel through which an IOL can be advanced while inserting the IOL into an eye, the channel having an interior surface which contacts the IOL,
the improvement wherein at least a portion of the interior surface of the channel has a bilaminar coating, the coating including a lubricious top coat, and a base coat which is chemically grafted to the top coat, wherein the base coat adheres to the interior surface of the channel without being covalently bonded to said surface, the base coat including functional groups capable of participating in reactions for grafting the base coat to the top coat.