The unit was evaluated and the reasons for return could not be duplicated.The unit passed all diagnostic tests, functional tests, and is fully operational.Sales rep investigated the pump and provided the following information: on first inspection of the pump it was noticed the setup was not done properly.The inflow pressure chamber was completely filled with fluid resulting in the pressure sensor becoming wet.We were informed that the two nurses who set it up were not ortho nurses but neuro nurses, and do not work with arthroscopic pumps often.The nurse could not verify that the connection with the tubing and pressure sensor connector was complete.In-conclusion, it was believed this situation was the result of improper setup and not equipment malfunction.The connection wasn't complete between the pressure chamber tubing and cpu connector along with improper filling of the pressure chamber.An in-service meeting has been set up for the staff to go over the setup, functions, and any questions that people may have.Further, a review into the depuy mitek complaints system revealed no other complaints for this serial number in the past.At this point in time, no further action is warranted.However, should any new information be provided in future, this file will be re-opened and a thorough investigation will be performed.Depuy mitek will continue to track any related complaints within this device family as a means of monitoring the extent with which this complaint is observed in the field.
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