The patient was undergoing a thrombectomy procedure using a penumbra system engine canister (canister).During the procedure, it was reported that only two lights were illuminating on the penumbra system engine (engine).The technician then applied pressure to the canister and all four lights illuminated.The procedure was then continued in this manner.When the physician was making the third pass, it was reported that only three lights were illuminating on the engine; however, the procedure was completed successfully.There was no report of an adverse effect to the patient.
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Results: the returned canister was undamaged.The returned canister was seated onto a demonstration engine and was able to hold a vacuum pressure of approximately -27.0 inhg with all four vacuum indicator lights illuminated.Conclusions: evaluation of the returned canister revealed the device was capable of holding vacuum pressure within specification.The reported inconsistent canister pressurization was unable to be confirmed.Penumbra canisters are 100% visually inspected and functionally tested by the supplier.The manufacturing records for this lot were reviewed and did not reveal any outstanding discrepancies, design, or quality concerns.H3 other text : placeholder.
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