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*this lot was investigated in ir # 20260224.*retained samples were tested and analyzed for visual inspection, simulated suction, simulated injection, observation under static conditions, as well as review of factory inspection data.All samples tested and analyzed passed all inspections and were deemed qualified, with no quality defects observed.* all relevant documents ( batch production records, finished product inspection, process control, incoming inspection, inspection and testing) corresponding to the tested lot were carefully reviewed and found to comply with product release requirements, with no abnormalities found.*the incoming inspection for this was performed in accordance to sop-11 incoming inspection procedure.These lots passed the acceptance criteria for product release, with no abnormalities detected.*for this lot the issues have been investigated, and no device issues have been found any complaints for the same issues.*the products in question were not returned for investigation.*no documentary evidence such as photos or videos were provided with this complaint.*based on available information and manufacturing investigation, no device problem has been found.This complaint can now be closed.*to address this proactively: we will continuously review and monitor this type of complaint, this incident will be added to our list of complaints for tracking and trend analysis, and we will work to improve communication and collaboration with tandem to enhance data collection and gathering process.*no similar complaints within the lot.(b)(4).
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