Two portex general anesthesia circuits were received in used conditions.No discrepancies noted upon visual inspection.Functional testing performed using a gauge; circuits did not pass the leak tests.The manufacturing process was then reviewed and deemed adequate.During the audit it was seen that production personnel perform leak testing.However, during the functional testing, the corrugated tube was broken; failing the test.After the leak test, visual inspection was performed on the same samples to verify any damage on the components.A random sample of 32 units was taken from the manufacturing process to verify that there was no damage; free from damage.Based on the evidence, the complaint was confirmed.The root cause was found due to manufacturing.
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