It was reported that during the implant procedure, positioning of the lead was attempted repeatedly; however, there was difficulty inserting and advancing the lead into the sheath due to frictional resistance.A different competitor sheath was used but the same frictional resistance occurred.When the lead was removed, an insulation issue was noted and there was a clot inside the sheath.The lead was not implanted and another lead was used.No patient complications have been reported as a result of this event.
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Product event summary: the full lead was returned, analyzed, and the overlay tubing was pulled/stretched/overstressed.The exposed right ventricular defibrillation coil became extrinsically distorted due to pulling/stretching/overstress.The distal low voltage electrode of the lead was covered in blood.Visual analysis of the lead indicated damage at implant.The analyst noted that resistance was felt going over rv exposed coil (due to distorted coil at 58.5 centimeters), furthermore lead insertion into introducer stopped at 46.8 centimeters (due to overlay tube folded over itself).If information is provided in the future, a supplemental report will be issued.
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