(b)(4).Results of investigation: one open sample was received for evaluation.Upon observation, the broken piece (lg seal holder w/thread) was observed.The resuscitation bag could not function.This product was manufactured on 2005; the internal manufacturing records are no longer available review.Manufacturing process was reviewed and no non conformities were observed.Code 2k8005 is 100% tested by pressure, exhalation, and inhalation functions and the component is verified for any non-conformity by production personnel.Since internal manufacturing records were not available for review.The sample received was compared with a sample from production with an infrared spectrums scan and no discrepancies were found with the material used on the sample received.The seal holder w/thread is assembled with the bag and then is cured using an ultraviolet ¿uv- oven, it is not considered that equipment/machines are related, no corrective work orders were generated in the period of the manufacturing of this product.It¿s preventive maintenance was performed on time for uv equipment.Based on the investigation, it is not possible to determine a root cause, since there is no evidence that the broken piece occurred during the manufacturing process.This may have happened outside the manufacturing process, during handling/transportation.Carefusion will continue to trend and monitor this issue.
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