It was reported that, during a tka surgery, a twist drill 3.2mm broke off, into the patient, and was left in the patient at the surgeons discretion, due to a knee deformity.The patient left surgery in good health, and no injury has been reported due to this event.
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H3, h6: the device was not returned for evaluation; therefore, a device analysis could not be performed.The clinical/medical investigation concluded that, reportedly, the patient left surgery in good health, and no injury has been reported due to this event.It was communicated that the requested clinical documentation was not available; however, there is ¿no additional surgery at this time¿ per correspondence.The material composition is 17-4 precipitation hardening stainless steel and the twist drill is classified as an external communicating device, manufactured and intended for limited contact (< 24 hours) with tissue/bone as an externally communicating device and not approved for implantation; therefore, long-term implantation data is not available.The patient impact beyond possible micro-motion and/or migration, and local irritation/discomfort cannot be determined.No further medical assessment can be rendered at this time.Device batch number was not provided, thus, an evaluation of the manufacturing records could not be performed.A review of complaint history for the previous 12 months did not reveal similar events for the listed device.A review of instructions for use for care, maintenance, cleaning and sterilization of smith & nephew orthopedics devices revealed that visually inspecting for damage or wear, including components in their disassembled state prior to re-assembly as well as ensuring components are re-assembled securely is indicated.A review of the risk management file revealed this failure mode was previously identified.The anticipated risk level is still adequate.A historical review concluded that there are no prior actions related to this product and event.At this time, we have no reason to suspect that the product failed to meet any specifications at the time of manufacture.This device is a reusable instrument that can be exposed to numerous surgeries.Damage from prolonged use, misuse or rough handling are likely potential factors that could contribute to the reported event.We recommend that all reusable instruments be routinely inspected for wear and damage and replaced as necessary.Based on this investigation, the need for corrective action is not indicated.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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