This mdr was generated under protocol (b)(4), as a result of warning letter cms# (b)(4).A manufacturing device history record (dhr) review was not performed because the results of the complaint investigation do not indicate a problem with the manufacture of the device.No causes or potential causes of the customer's reported problem were found during the review of service and repair records.A product sample was received for evaluation.Visual and functional testing were performed.Visual inspection showed the pump was in excellent condition.A review of the event history log identified check syringe plunger sensor in history.During functional testing, tested the plunger head movement and found the plunger flippers do not open when pressing down the plunger lever.The dowel pin came loose from the plunger head mount.The root cause of this issue was known and is design related.This issue will be monitored for an increase in occurrence.If the occurrence of this issue increases significantly, additional action will be taken.Replaced dowel pin and plunger head mount.Performed power up process and all functional tests which passed.
|