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Two samples were received in used conditions.No damages could be detected in visual inspection.When inflating the units, the cuff inflated but a part was not uniformly.The balloon was manipulated and the whole cuff inflated.After the whole cuff inflated, it was deflated and inflated 4 times, all the times the cuff inflated completely.When measuring the cuff, the percentage for the symmetry was for sample 1:32.43% and for sample 2: 44.73%.The last result is below 33.33% that is the minimum acceptable.Based on the test, the sample 2 is out spec.A device history record (dhr) review was conducted which indicated all inspections were completed and no issues were noted during manufacture.This remediation mdr was generated under protocol (b)(4), as a result of warning letter cms# (b)(4).
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