D4 udi and g5 are unknown.No product information has been provided to date.This mdr was generated under protocol (b)(4), as a result of warning letter cms# (b)(4).A product sample was received for evaluation.Visual and functional testing were performed.One picture was included in agile attachments section for evaluation.One sample was received in used conditions, without original packaging and with its certificate of safe handling.Sample was filled with 5 cubic centimeters (cc) of air according to procedure to see if there was any functional problem.When the sample was inflated with air, the cuff only inflated one side.According to the information for use (ifu)the pilot balloon was manipulated, and the cuff inflated.After the whole cuff inflated, it was deflated and inflated 4 times, all the time the cuff inflated completely and symmetrically, based on analysis the complaint was not confirmed.The root cause of the reported issue could not be confirmed as the reported issue could not be replicated at the time of the device evaluation.No actions were taken.
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