Catalog number is unknown.Udi information is unknown.Operator of device is unknown.No information has been provided to date.Manufacturing site address is unknown.A device history record (dhr) review was conducted which indicated all inspections were completed and no issues were noted during manufacture.A product sample was received for evaluation.Visual and functional testing were performed.It was confirmed that there were two small brown substances in total on the flexible tube and inside the package.The root cause of the reported issue was not identified.The following causes are considered as possible root cause: foreign matter was attached to the product supplied from the overseas manufacturer; foreign matter has adhered during the domestic manufacturing process; foreign matter has entered the package hole after product shipment.This remediation mdr was generated under protocol (b)(4) as a result of warning letter cms# (b)(4).
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