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Other, other text: a device history record (dhr) review was conducted which indicated all inspection were completed and no issues were noted during manufacture.Four samples were received without their original packaging inside a ziploc bag, in used conditions and with their certificate of safe handling.Visual inspection was performed at 12" under normal lighting to received unit, in order to detect any damage on the cuff, airline or pilot balloon.Results: no damaged could be detected.Functional test: air cuff symmetry test was performed to the units, leak testing and cuff symmetry visual aid.Cuff symmetry fixture was used.Results: when we inflated the sample 1, 2 and 3 with air, the cuff only inflate one side.The cuff was manipulated and the whole cuff inflated.After the whole cuff inflated, we deflated and inflated 4 times, all the times the cuff inflated completely.When we inflated the sample 4, the cuff inflated without problems.When we measured the cuffs, the percentage for the symmetry was for sample 1:44.44%, for sample 2:41.66%, for sample 3: 50% and for sample 4: 50%.These results are over 33.3% that is the minimum acceptable.Based on the test, the unit is within spec.The complaint is not confirmed.The following are relevant documents, which were reviewed and considered adequate and correct for testing and inspection activities.Based on the analysis conducted in the sample provided, the complaint was not confirmed.No corrective actions were taken since the complaint was not confirmed.D5 and g4 are unknown.No information has been provided to date.This remediation mdr was generated under protocol (b)(4), as a result of warning letter cms# 617147.
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