(b)(4).The sample was not returned to the manufacturer for investigation.The manufacturer reported: "no sample was returned for investigation.However, customer has provided a photo.Complaint reported that no opening between the capnography port and the filter.Based on the photo provided, the actual reported defect was not identified.The testing method shows in the photo provided may not suitable to check on the co2 port functionality.Further investigation could not be conducted to identify the root cause of defect on the complaint sample since there is no returned sample.In current manufacturing procedure, 100% visual inspection, drop test and leak test after assembly process is conducted.No sample was returned for investigation and only photo is provided.Thus, full investigation on the reported failure could not be conducted to identify the actual root cause of the reported phenomenon.Therefore, this complaint is not confirmed." teleflex will continue to monitor and trend complaints of this nature.
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