Results: the pump max was able to reach a vacuum pressure of approximately -30.0 inhg on the gauge attached to the pump housing and approximately -29.0 inhg on the calibrated gauge.The pump max was plugged in and powered on and ran under full vacuum for approximately 25 minutes.The pump max functioned without an issue.No unusual sounds were observed during the functional test.Conclusions: evaluation of the returned pump max revealed that the pump was functional.The pump max was plugged in and powered on and ran under full vacuum.The pump functioned without an issue.There was no unusual sounds observed during the functional test.The root cause of the pump not aspirating with full strength, and the pump sounding like a car running out of gas could not be determined.Penumbra pumps are visually inspected during in-process inspection and during quality inspection after manufacturing.The manufacturing records for this lot were reviewed and did not reveal any outstanding discrepancies, design, or quality concerns.
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The patient was undergoing a medical procedure using a penumbra system aspiration pump max 110 (pump max).During the procedure, the physician observed that the pump max was not aspirating with full strength.It was also reported that the pump max was making unusual noises, which sounded like a car running out of gas.The procedure was completed using another pump max.There was no adverse effect to the patient.
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