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.The following were reviewed as part of this investigation: patient severity, complaint and lot history review, applicable previous investigation(s), sample (if available), labeling, applicable manufacture records, and applicable fmea documents.Based on a review of this information, the following was concluded: the complaint of black spots of the needle guide is confirmed but the exact cause remains unknown.One photo sample of a ultrasound probe, probe cover, and needle guide accessory was provided for evaluation.The ultrasound probe and accessory components are shown in use.The green needle guide is shown to have two dark, discolored regions.The cause or source of the discoloration cannot be clearly discerned from the photo provided.The condition of packaging is also unknown.Since the discoloration was observed, the complaint is confirmed; however, the photos did not allow for the determination of a specific root cause.A lot history review (lhr) of redn1190 showed no other similar product complaint(s) from this lot number.
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