Pma/510(k) # k142688.Device evaluation: complaint device was not returned therefore a document based review will be performed.Lab evaluation: n/a document review including ifu review prior to distribution, all echo-hd-19-c devices are subjected to functional checks and visual inspection to ensure device integrity.These inspections and functional checks are outlined in internal procedures in place at cirl.A review of the manufacturing records for echo-hd-19-c of lot number c1847693 did not reveal any discrepancies that could have contributed to this complaint issue.The review of relevant manufacturing records confirms the failure mode has not previously occurred with the current lot number.Based on the information available to date, there is no evidence to suggest that there are any manufacturing issues associated with lot number c1847693.The notes section of the instructions for use, ifu0077-4, which accompanies this device instructs the user to inspect the device prior to use : "visually inspect with particular attention to kinks, bends and breaks.If an abnormality is detected that would prohibit proper working condition, do not use".There is no evidence to suggest that the customer did not follow the instructions for use (ifu0077-4).Image review: n/a root cause review: a definitive root cause could not be determined from the available information.A possible root cause could be attributed to a possible distal kink that occurred during handling of the device during sample collection resulting in the difficulty retracting the needle into the sheath.A possible root cause could also be attributed flexed endoscope position.This potentially could have caused the needle to kink distally resulting in it being unable to retract into the sheath another possible root cause could be attributed to a potentially difficult target site or a hard lesion which could have potentially led to the needle kinking distally and cause the retraction difficulties experienced.This potentially could have caused the needle to kink distally resulting in it being unable to retract into the sheath.Summary: complaint is confirmed based on customers testimony.According to the initial reporter, the patient did experience any adverse effects due to this occurrence.Complaints of this nature will continue to be monitored for potential emerging trends.
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