A device history record (dhr) review was conducted which indicated all inspections were completed and no issues were noted during manufacture.No product sample was received; therefore, functional testing was performed on a sample of the same lot number retained by the manufacturer.Functional testing found the silicon ring rebounded and it was difficult to connect with the syringe.The root cause of the reported issue was found to be a design issue using a long silicon ring, which interferes with the connection of devices other than flat filters.This remediation mdr was generated under protocol b10009406, as a result of warning letter cms# (b)(4).
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