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Manufacturing review: the lot met all release criteria.Dhr was reviewed and no deviations/issues were identified or associated with this problem in regards to product materials or during manufacturing, packaging or qc inspection process.Investigation summary: the device was not returned for evaluation.Images and medical records were not provided for review.Therefore, the investigation is inconclusive for the alleged broken tunneler as no objective evidence has been provided to confirm any alleged deficiency with the tunneler.The root cause could not be determined based upon available information.It is unknown whether procedural factors contributed to the event.Possible contributing factors include damaged during production and damaged prior to use; however, the lack of a returned sample prevented both confirmation of the reported event and identification of a root cause(s).Potential root causes listed in the fmea are improper dimensional design, improper material selection, effects of shipping and handling not accounted for.Labeling review: a review of product labeling documents (e.G., procedural instructions, indications, warnings, precautions, cautions, possible complications, contraindications, nursing guide, and unit label) showed that the product labeling is adequate.(expiry date: 07/2020).
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