It was reported that, during a rotator cuff shoulder repair surgery, the cleverhook tip of a arthropierce instrument curved right became dislodged and subsequently embedded in tendon of patient.It was considered to left the tip inside of the joint because it could cause more harm to the patient if removed due to a possible need for tendon dissection.The procedure was completed with non-significant delay using a back-up device.No patient harms were reported.
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H3, h6: the reported device was received for evaluation.A visual inspection revealed two devices of the same lot number were returned outside of original packaging.One of the devices the distal jaw was broken from the device.The second device showed signs of use but no deformation visible.A functional evaluation revealed the first device with the fractured jaw could not be functioned as intended due to damaged tip.The second device would not function as intended as actuator could not open and close the distal jaw.A review of the customer provided image revealed the distal jaw of the device has become fractured.A review of device records showed there were no indications to suggest that the product did not meet manufacturing specification upon release for distribution.A complaint history review found no similar reported events.The instructions for use was reviewed and found to include conditions of off label use and technique specifics, as well as precautions and warnings related to the use of the device.A risk management review found that the reported failure was documented appropriately, and there were no indications to suggest the anticipated risk is not adequate.The cleverhook tip of the arthropierce instrument is made of 17-4 ph stainless steel.The arthropierce instrument is an externally communicating device, it is neither manufactured nor intended for implantation.It is also not approved for long term internal tissue exposure and long-term implantation data is not available.The patient impact beyond the reported device breakage and retained foreign body could not be definitively determined.Micro-motion or movement cannot be predicted.There is potential risk for tissue inflammation and/or pain.No further clinical/medical assessment is warranted at this time a review of the customer provided image revealed the distal tip of the device has become fractured.It was determined the device contributed to the reported event.The complaint was confirmed and the root cause was associated with unintended use of the device.Factors, which could have contributed to the complaint event, include an application of unintended inappropriate or excessive force to the device.No containment or corrective actions are recommended at this time.
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