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Investigation - evaluation: a review of the complaint history, documentation, drawing, instructions for use (ifu), manufacturing instructions, specifications, and quality control data was conducted during the investigation.The complaint device was not returned; therefore, device failure analysis and physical examination of the device used in this case could not be performed.A document-based investigation evaluation showed no evidence to suggest the product was not made to specifications.Review of the device history record shows no nonconforming events which could contribute to this failure mode.It should be noted there were no other reported complaints for this lot number.Per the instructions for use: "advance the "j" portion of the wire guide through the needle and into the abscess cavity.Remove the needle, leaving the wire guide in place.While maintaining the wire guide position, dilate the tract and opening into the abscess cavity by advancing the dilators in sequence (small to large) over the wire guide.To facilitate introduction, rotate the dilators during insertion.Note: it is important to advance each dilator into the abscess cavity, maintaining the position of the wire guide." based on the provided information, no product returned, and the investigation, a definitive root cause cannot be established or reported at this time.We will notify the appropriate personnel and continue to monitor for similar complaints.Per the quality engineering risk assessment no further action is required.
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