There were two incidents in which an ambu action block pain pump ruptured / burst prior to attachment to the pt.The ambu pump has a 650 ml reservoir and was filled with 650 ml of ropivacaine 0.2%.The incident happened hours after pharmacy filled it but the second incident occurred thirty mins after it was filled.In the second incident, the elastomeric pump ruptured while sitting on the counter at room temperature.After bursting, the ropivacaine solution immediately leaked out of the bag at a very high rate.It looks like the inner and outer lining of the pump is ripped.Fda safety report id# (b)(4).
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