Investigation summary: a device history review was conducted for lot number 7143717.Our records show that this is the only instance of this issue occurring in this production batch.According to the sampling plan applied for product performance, this lot was accepted and released without defects being noted during the final assembly or visual inspections.Although photos were submitted for evaluation, they did not display the failure mode clearly enough to identify the root cause.Unfortunately, the root cause for this complaint could not be determined at the conclusion of our review.Bd was not able to confirm the customer¿s indicated failure modes according evaluated photos.Customer reported reaction and leakage issues; nevertheless, no sample was received for evaluation.After analyze both photos by the engineering team, we cannot confirm or associate the reported defects to manufactured process due to 2 photos only showed lump on the skin.Unfortunately, we could not be identified the root cause due to the unit described in the product incident report was not returned for evaluation and testing, which is essential to perform a better investigation.We could not found the root cause of these issues.Certificate of sterility met with acceptance criteria.
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