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Visual, functional and sem analysis were performed on the returned device.The reported complaint was confirmed.The production record and corrective and preventive actions (capa) reviews were performed and revealed no indication of a product quality issue.Additionally, a review of the complaint history identified no other similar complaints from this lot.It should be noted that the coronary dilatation catheters (cdc), mini trek ii over the wire (otw), global, information for use (ifu), states: remove all air from the syringe or inflation device barrel.Reconnect the syringe or inflation device to the inflation port of the dilatation catheter.Maintain negative pressure on the balloon until air no longer returns to the device.Slowly release the device pressure to neutral.In this case, it is unknown if the ifu violation caused or contributed to the reported complaint.Based on the reported information and results of the complaint investigation there is no indication the reported balloon rupture is related to a potential product quality issue.Balloon material ruptures can be affected by numerous factors including, but not limited to, balloon damage during processing of the balloon material, insufficient preparation, or inflation technique.In this case, a conclusive cause for the reported balloon rupture could not be determined.Return device analysis noted radially peeled balloon material, tearing, and radially peeled flaps of balloon material on the balloon fold of the returned device.Although, the account stated that the device was soaked during preparation, in this case, it is possible that insufficient prep (soaking of the balloon) contributed to the reported balloon rupture based on the condition of the returned device; however, a conclusive cause cannot be determined.There is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.D4 - model # correction: from na to 1012403-12a.
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