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(b)(4).Method: the subject rd900afu neopuff infant resuscitator was returned to our fisher & paykel healthcare (f&p) service centre in the france, where it was inspected by a trained f&p service technician.The unit was serviced, and performance tested.Our investigation is based on the information and photography provided by the healthcare facility and our knowledge of the product.Results: visual inspection of the provided photography confirmed that the outlet port was broken.The inlet port was also observed to be damaged.Conclusion: based on the visual evaluation of the provided photography, and our knowledge of the product, the reported event resulted due to the physical damage.Each neopuff unit undergoes 100% testing on the production line to ensure compliance with critical product specifications.Units that do not meet the specifications are rejected.The subject neopuff would have met the requirements at the time of production.The neopuff is a portable, reusable device used to assist in the delivery of respiratory breaths to infants until adequate spontaneous breathing occurs.Being a portable device, the neopuff can be susceptible to impact damage, for instance when accidentally dropped or subjected to considerable external force.The neopuff technical manual warns against dropping the neopuff or subjecting it to impact damage which may cause the unit to operate incorrectly.If the neopuff is suspected to have been damaged, the manometer and valve system should be performance tested.In addition, the neopuff user instructions state that the user should "check manometer reads zero with no gas flow" and check the pressure settings "prior to every use of the neopuff".As mentioned, the neopuff technical manual states the following: dropping the neopuff / perivent infant resuscitator or other similar forms of impact may cause damage resulting in incorrect operation of the unit.If you suspect damage to have occurred, please perform checks as outlined [in the manual] before connection to a patient.
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