At the time of this report, the device has not yet been returned for evaluation.As a result, a determination cannot be made at this time.If further information becomes available, gyrus acmi will continue the investigation and update the agency accordingly.
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This supplemental report is being submitted to provide device evaluation results from the original equipment manufacturer (oem), based on the picture.Please see the updates in sections: g4, g7, h2, h6 and h10.Based on the picture investigation, oem feels the root cause is substantial light exposure of the devices in the heal care facilities which resulted in degradation and embrittlement of the dilator polymer.This failure mode is not within oem's control.Product met the product specifications at time of manufacture.Since oem was not responsible for design validation, accelerated aging and storage/environmental evaluation of the device post sterilization, oem is unable to confirm the complaints.Current dilator inventory was sampled and checked for flexibility and brittleness through completion of a bend test.All product inventory passed inspection and was released.Although complaint is not confirmed, oem will implement a preventive action ecn in which the minimum elongation and tensile break will be increased.This will provide additional initial polymer material strength on extruded dilator tubing material and would offer surplus tubing flexibility.As such, this could reduce or eliminate early product failures due to environmental storage conditions, specifically light exposure.
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