Qn#(b)(4).The manufacturing site, galemed, completed the inspection after receiving the returned sample on 21 mar 2023.The actions taken were as follows: 1.There are no related abnormal production, incoming, and inspection records about lot 191007 and lot 200824.2.Appearance inspection of customer return samples: appearance of the two returned samples is relatively in a good and intact state, not been scratched or broken.3.Air volume test of the return samples: volume value of xtf0001 lot 200824 air cushion mask sample is 2.15 (acceptance range 9.5-16.5mm).Volume value of xtf0101 lot191007 is 2.14 (acceptance range 8.3-13.3mm).So, both samples are indeed unqualified.A review of the air cushion mask standard manufacturing procedure (smp) was completed, and it could be confirmed that all air cushion masks were in a good state upon production release.Since sample of lot191007 has exceeded the period of validity during clinical usage period, there is a risk for a leak.And considering the material of returned samples are pvc, factors such as products squeezing each other heavily and uncontrolled storage and transport condition, may lead to air molecules spillage away through the air cushion masks' surface.For these reasons, a root cause cannot be determined at this time.Teleflex will continue to monitor and trend for reports of this nature.
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