This mdr was generated under protocol (b)(4), as a result of warning letter cms# (b)(4).A device history record (dhr) review was conducted which indicated all inspections were completed and no issues were noted during manufacture.A product sample was received for evaluation.Visual and functional testing were performed.One (1) picture was received.According to pictures above, it was seen a small hole in the cuff.One (1) sample was received without its original packaging inside a ziploc bag.Sample was inspected at 12 under normal lighting to received unit, in order to detect any damage on the cuff or airline.During the visual inspection, it was seen a small hole in the cuff.The sample was tested on leak test.The test was performed under water as per procedure.Testing the sample received found leak in the cuff.The most probable root cause was that when taking out some parylene flash the unit was damaged.Actions taken, procedures are being in order to add after cleaning and before packaging, if the piece needs to be rework by flash, the unit has to be tested (leak test) to make sure that was not affected.Production personnel was notified by area trainer as awareness of the defect reported by the customer.
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