SMITH & NEPHEW, INC. GII MIS DCF AP CT BLK 6; PROSTHESIS, KNEE, FEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, METAL
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Model Number 71441154 |
Device Problem
Fracture (1260)
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Patient Problem
Device Embedded In Tissue or Plaque (3165)
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Event Date 08/18/2022 |
Event Type
Injury
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Manufacturer Narrative
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Internal complaint reference (b)(4).
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Event Description
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It was reported that, during tka procedure, the spike on back of the gii mis dcf ap ct blk 6 broke off into femur.The spike was left inside the patient.Surgery was resumed, without any delay, with the same device.Patient's current health status is unknown.
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Event Description
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It was reported that, during tka, while removing the gii mis dcf ap ct blk 6, the surgeon noticed that the spike had broken off and remained in the bone.The spike was left inside the patient.Rep offered to get tephines to remove immediately, but surgeon refused due to the risk of removal.Surgery was not prolonged as consequence.Patient's current health status is unknown.
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Manufacturer Narrative
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H3, h6; the associated device was returned and evaluated.A visual inspection of the returned device confirmed the stated failure mode.The spike is fractured off from the block, rendering the device inoperative.A review of complaint history revealed similar events for the listed device over the previous 12 months, but no similar events for the batch based on the historical data, this failure mode will be monitored for future complaints for any necessary corrective actions.The clinical/medical evaluation concluded that this case reports breakage of the dcf mis ap cutting block spike into the femur and the broken piece was not recovered from the patient.No clinically relevant supporting documentation was provided for inclusion in this medical investigation.Therefore, no clinical factors could be assessed which would have contributed to the reported spike (pin) breakage.The device is manufactured and intended as an externally communicating device and is not approved for long-term internal tissue exposure; therefore, long-term implantation data is not available.The patient impact beyond possible foreign body micro-motion and/or migration, and local irritation/discomfort cannot be determined.No further medical assessment can be rendered at this time.A review of the manufacturing records did not reveal a manufacturing abnormality that could have caused or contributed to the reported incident.At this time, we do not have reason to suspect that the product failed to meet any product specifications at the time of manufacture.A review of the risk management file revealed this failure mode was previously identified.The anticipated risk level is still adequate.Assessment of historical escalated cases concluded that there are no prior actions related to this device and failure mode.As the device broke and it can no longer fit its purpose, the contribution of the device to the reported event could be corroborated.This device is a reusable instrument that can be exposed to numerous surgeries.Damage from prolonged use, misuse or rough handling are probable causes of 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 additional information be received, the complaint will be reopened.No further investigation is warranted for this complaint; however, we will continue to monitor future complaints and investigate as necessary.We consider this investigation closed.
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