(b)(4).Based on the information provided to st.Jude medical and the investigation performed, the cause of the reported event was isolated to loss of direct current from the power supply due to fluid intrusion which resulted in a shorted electrical circuit.The device history record was reviewed to ensure that each manufacturing and inspection operation was performed.The review determined the process was performed and completed in accordance with sjm specifications and procedures.During testing for the international standard, the power supply unit (psu) and the system, when properly installed, passed all requirements.The specific system for this event was installed by an abbott employee.It was reported that the psu was on the floor and not captured within the mounting mechanism, which abbott believes led to the fluid ingress.The situation with the psu on the floor could occur as a result of incorrect installation or a configuration change by hospital staff after the initial installation.The quantien ifu instructs the user to not use the quantien system if it has been dropped or in any other way exposed to mechanical or electrical damage, or if liquid is suspected to have penetrated the enclosure or the power supply unit.This can cause the user or patient to be exposed to electric shock.
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