Spire to sell nanocrystalline, silver-coated dialysis catheters

By Elaine Rigoli

Tampa, Fla., Sept. 21 - Spire Corp. received clearance from the Food and Drug Administration to market silver-coated hemodialysis catheters.

The company said the nanocrystalline, lubricious silver coating may reduce bacterial colonization on the catheter for up to two months, as demonstrated in clinical testing.

The coating will be offered on Spire's XpressO and RetrO silicone catheter lines under the tradenames XpressO Silver and RetrO Silver; both are split-tip chronic dialysis catheters, according to a company news release.

The Bedford, Mass., technology company said this same silver coating has been successfully applied to other medical devices, such as vascular grafts, where the coating has been shown to reduce bacterial attachment and biofilm formation of S. aureus bacteria while providing natural integration into the surrounding tissue.

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