One sample was received in used conditions without its original packaging.When the sample was inflated with air, the cuff only inflate one side.The pilot balloon was manipulated and the 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 33.3 percent.This result is equal to 33.3 percent that is the minimum acceptable.Based on the test, the unit is within spec.The complaint is not confirmed.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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