Udi: (b)(4).The reported lot number documentation was reviewed and no anomaly was reported during its manufacturing, packaging, and inspection processes that could be related to a condition as the one reported.The reported condition of ¿broken and leakage¿ was confirmed during the evaluation of the returned c3600 cusa 23khz tubing set.The evaluation identified that the irrigation tube (with blue strip) was damaged and cracked.The damage observed in this section of the irrigation tube is consistent with the defect caused when the tube is incorrectly assembled into the pump latch and it is pinched under compression.The cusa excel user¿s guide provides the proper instructions for the tubing assembly into the console machine and also indicates a caution statement to avoid damages to the tube: ¿make sure that the irrigation tubing centers between the v-shaped tubing retainers before you close the pump latch.Otherwise, the pump latch will pinch the tubing, preventing the flow of irrigation fluid.¿ based on the unit evaluation, the possible root cause of the reported condition is related to an improper assembly of the tube into the console machine.
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