St. Jude Medical continues to defend its next-generation Durata leads as a new case report describes an insulation failure that resulted in electrical failure in a single lead.

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Wall Street didn't move much on news of another insulation-related failure in St. Jude Medical's (NYSE:STJ) next-generation Durata defibrillator leads this week.

The case report included a detailed analysis of an incident in which a Durata lead failed due to inside-out abrasion, which some likened to the externalization issues that launched the high-profile recall of St. Jude's older Riata leads.

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