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Investigation - evaluation a review of device history record, drawing, quality control, manufacturing instructions, complaint history, and instructions for use (ifu) was conducted during the investigation.The complaint device was not returned; therefore no physical examination could be performed.However, a document-based investigation was performed.There is no evidence to suggest the finished product was not made to specifications.Review of the device history record of the finished product shows no nonconforming events that would contribute to the reported failure mode.There were no other reported complaints for this lot number.The instruction for use states that the site should be checked daily for early signs of pressure ulcers, redness, tenderness, etc.It also states that the anchors should remain in place for 10 to 14 days.There is a tension adjustment for sutures that are too tight.There is no indication that these adjustment procedures were used.Additionally, one precaution notes that this product is intended for use by physicians trained and experienced in diagnostic and interventional techniques.Standard techniques for placement of gastrointestinal suture anchors should be employed.While the ifu speaks to tension adjustment to relieve pressure, these adjustments are most likely based on the user's experience and judgment for making precise adjustments.There is no definitive evidence that the device malfunctioned.It is feasible that no adjustments were made in the tension of the sutures to relieve patient discomfort and that the anchors were left in place past 14 days.While not definitive, this could likely have contributed to the infection that was noted.Based on the provided information, the root cause is likely user technique.However, based on the information provided, no product returned, and the results of our investigation; a definitive root cause could not be determined.Per the quality engineering risk assessment, no further action is warranted.Monitoring will continue to be performed for similar complaints.
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