Results: blood was present on the device housing.Conclusions: evaluation of the returned pump max confirmed blood was present within the vacuum pump.This is likely result of the reported incorrect connection of the aspiration tubing directly to the vacuum inlet instead of the canister supplied by penumbra.If fluid is aspirated into the vacuum assembly, it may prevent the pump from functioning properly.Penumbra pumps are visually inspected and functionally tested during incoming quality inspection.The manufacturing records for this lot were reviewed and did not reveal any outstanding discrepancies, design, or quality concerns.
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