On the literature article named "small soft tissue tension changes do not affect patient-reported outcomes one year after primary tka", it was reported that, after a legion system had been implanted, one patient developed an acute deep infection of the knee after the primary tka surgery, which was treated with irrigation and debridement with implant retention.No further information regarding the event was reported.The outcome of the patient is unknown.
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The device, used in treatment, was not returned for evaluation and the reported event could not be confirmed.The clinical/medical investigation concluded that, the data presented in the literature review reported, after a legion system had been implanted, one patient developed an acute deep infection, which was treated with irrigation and debridement with implant retention.However, without clinically relevant patient-specific supporting documentation, a thorough medical investigation could not be performed.The root cause and/or patient outcome beyond that which was documented in the article could not be confirmed nor concluded; therefore, no further medical assessment is warranted at this time.At this time, we have no reason to suspect that the product failed to meet any product specifications at the time of manufacture.Possible causes could include but not limited to contamination, patient reaction, and post-operative healing issue.Based on this investigation, the need for corrective action is not indicated.Without the return of the actual product involved, our investigation could not proceed.Should the device or additional information be received, the complaint will be reopened.No further investigation is warranted for this complaint; however, we will continue to monitor for future complaints and investigate as necessary.We consider this investigation closed.
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