No lot number was provided; therefore, device history record review could not be completed.A product sample was received for evaluation.Visual testing was performed.Visual inspection found the retention edge was crushed.Functional testing was not performed.The root cause of the reported issue could not be determined.We will notify the occurrence of this event to our manufacturing department, record this event in the database, and monitor the future occurrence situation.The sample was sent to supplier for further investigation.Unique identifier, operator of device and protocol # are unknown.No product information has been provided to date.This remediation mdr was generated under protocol (b)(4), as a result of warning letter cms# (b)(4).
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