H10: manufacturing review: a manufacturing review was not required as this is the only complaint reported to date for this product and lot; however, a manufacturing review was performed to verify manufacturing records as the user reported device contamination with chemical or other material.The lot met all release criteria.Investigation summary: a surgical gauze containing six unknown material fragments was returned for evaluation.However, no denali filter kit components were returned.Fragments were noted to be bloody, under microscopic examination material was noted to be shaved plastic.However, the investigation is inconclusive for device contamination with chemical or other material as the device was not returned and there is no proper evidence to confirm.Two electronic photos were reviewed.Photo 1 shows a denali device lot and catalog number written in the biohazard bag, it is matching the reported information in complaint.The second photo shows a surgical gauge containing around seven unknown material fragments.Fragments where noted to be bloody.Based on the photo review the reported device contamination with chemical or other material cannot be confirmed.A definitive root cause for the alleged device contamination with chemical or other material could not be determined based upon the provided information.Labeling review: the current instructions for use states: optional procedure for filter removal.A review of product labeling documentation (e.G., procedural instructions, indications, warnings, precautions, cautions, possible complications, contraindications, nursing guide, and unit label) did not find any product labeling inadequacy.Precaution: the retrieval of the denali® vena cava filter should only be performed using minimum 9f i.D./11f i.D.Dual retrieval sheaths.Misuse of these devices or improper retrieval technique may result in intimal injury or caval narrowing.H10: d4 (expiry date: 02/2024), g3, h6 (method).H11: d1, d4, h6 (result and conclusion).H11:section a through f - the information provided by bd represents all of the known information at this time.Despite good faith efforts to obtain additional information, the complainant / reporter was unable or unwilling to provide any further patient, product, or procedural details to bd.H3 other text : see h10.
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