No product sample was received; therefore, visual, and functional testing could not be performed.A device history record (dhr) review was performed and found no discrepancies or abnormalities.The reported issue could not be confirmed as no product sample was received for evaluation.If the product is returned, the manufacturer will reopen this complaint for further investigation.Operator of device and initial reporter also sent report to fda are unknown.No information has been provided to date.Lot # was 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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