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St. Jude Stops Selling CRT Leads Showing Riata-Like Insulation Abrasion

The action does not impact QuickFlex µ bipolar and Quartet quadripolar leads, which employ the firm’s proprietary Optim insulation coating, but it could add to St. Jude's perception problems, analysts suggest.

St. Jude Medical Inc. is halting sales of its QuickSite and QuickFlex cardiac resynchronization therapy leads following 39 confirmed reports of electrically conducting wires protruding through the insulation layer of the devices.

The left-ventricular leads employ a silicone insulation material that, in the reported cases, showed signs of abrasion, allowing the wire to exit the body of the lead, the company explained...

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