Patient had bilateral paravertebral nerve blocks placed three days prior during a nuss procedure.Attempt was made to replace empty local anesthetic reservoir with a fresh one.The connector on the new reservoir (male luer lock) did not match the connector (also male) on the flow regulator of the product.The only way the reservoir could be connected was to bypass the flow regulator and connect the reservoir directly to the nerve block catheter (which had a female luer lock connector).This product (ambu actionbloc) was previously implicated in a patient death (maude mdr report key 3929747) because of improper connections (reservoir directly to catheter).Ambu redesigned the product so that the reservoir should have a female luer lock connector.However, the product that ambu is currently shipping continues to have a male luer lock connector, placing the patient at risk for improper connection.
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