Due to the (b)(4) 2015 fda maintenance where the 3500a codes were updated, the 3500a (b)(4).Contact office and manufacturing site should reflect: (b)(4).It was reported that there was an error ¿temperature limiter¿ shown on the stockert when smarttouch thermocool ablation catheter was used during an afib.Ablation procedure.The returned device was visually inspected upon receipt and white crystals were found at the pebax area.Per this condition a scanning electron microscope (sem) testing was performed over the damaged area of catheter and it was found that there was evidence of displacement material between pu and pebax induced by an unknown object.This condition might contribute to the white crystals found.Per the event reported, the catheter was tested for electrical performance, temperature response and stockert compatibility and it was found within specifications.An irrigation test was performed and the catheter passed, no occlusion was observed.The device history record (dhr) was reviewed and verified that the device was manufactured in accordance with documented specification and procedures.The customer complaint regarding a high temperature cannot be confirmed.A corrective action was created to address the damaged pebax on smart touch.
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