ZIMMER SWITZERLAND MANUFACTURING GMBH NCB, DF TARGETING INSTRUMENT FOR LEFT PLATES; NCB PLATING SYSTEM DISTAL FEMUR AND PROXIMAL TIBIA
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Model Number N/A |
Device Problems
Crack (1135); Manufacturing, Packaging or Shipping Problem (2975)
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Patient Problem
No Clinical Signs, Symptoms or Conditions (4582)
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Event Date 10/25/2021 |
Event Type
malfunction
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Event Description
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It was reported that the carbon holding device burst.
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Manufacturer Narrative
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The manufacturer did not receive any source of documents for review.The complaint device has been returned, but the device investigation has not yet been completed.Once the evaluation is completed, a supplemental medwatch 3500a will be submitted.As no lot number was provided, the device history records could not be reviewed.A cause for this specific event cannot be ascertained from the information provided.As soon as supplemental information becomes available an updated report will be submitted.(b)(4).
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Event Description
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No event update.Investigation results are now available.
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Manufacturer Narrative
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Investigation results were made available.Review of event description: the carbon holding device burst.The damage was probably already present before the operation, but was noticed during the operation.Patient involvement-prolonged surgery (90 min).Review of received data: no medical data relevant to the case has been received.Product evaluation: visual examination: the targeting device was returned for an investigation.One of the retainer jaws shows a crack.It is unknown when exactly and how this crack was occurred.No other conspicuousness found.Review of product documentation: device purpose: this device is intended for treatment.Product compatibility: reported event is not related to a combination of products; therefore a compatibility review is not applicable.Review of surgical technique: in the surgical technique it is described that the plate should be attached with both connection bolts on the targeting device, to ensure a secure connection and to avoid an overstrain of the retainer jaws.Like this the applied force is transferred only via the connection bolts, but not via the connection to the plate.Conclusion: the targeting device was damaged.The damage was probably already present before the operation, but was noticed during the operation.The instrument has been returned for an investigation.There has been a crack in one of the retainer jaw.It is important to attach the plate with both connection bolts on the targeting device, to ensure a secure connection and to avoid an overstrain of the retainer jaws.If these instructions as in the surgical technique mentioned are followed, the applied force will be transferred only via the connection bolts, but not via the connection to the plate.It remains unknown if the handling of the device was not clear and if the surgical technique was followed.Additionally, as the instrument has been manufactured in 2008 it might have been on the market for more than 11 years and used excessively.However, an exact root cause for the crack on the instrument could not be determined the investigation did not identify a nonconformance or a complaint out of box (coob).The need for corrective measures is not indicated and zimmer switzerland manufacturing gmbh considers this case as closed.Zimmer biomet's reference number of this file is (b)(4).
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Event Description
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This followup is being submitted due to additional information received after the investigation.The event description in section h10 has been updated.The conclusion of the investigation however did not change.
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Manufacturer Narrative
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This follow-up report is being submitted to relay additional and/or corrected information.Investigation and conclusion 1.Event description: the targeting device was damaged.The operation was prolonged because the insertion handle broke intra-operatively.There has been a crack in one of the retainer jaw.Patient involvement-prolonged surgery.(90 min).Harm: s2 - exposure to anesthesia, minor (as no serious injury occurred due to anesthesia extension) hazardous situation: instrument breaks, diverges or becomes damaged and non-functional during surgical procedure.2.Review of received data: no medical data relevant to the case has been received.Due diligence: no further due diligence required as all required information to support the conclusion is available or was already requested.3.Product evaluation: visual examination: the targeting device was returned for an investigation.One of the retainer jaws shows a crack.Based on the information provided, the instrument broke intra-operatively.No other conspicuousness found.4.Review of product documentation: device purpose: this device is intended for treatment.Product compatibility: reported event is not related to a combination of products; therefore a compatibility review is not applicable.Surgical technique sap: in the surgical technique it is described that the plate should be attached with both connection bolts on the targeting device, to ensure a secure connection and to avoid an overstrain of the retainer jaws.Like this the applied force is transferred only via the connection bolts, but not via the connection to the plate.5.Conclusion: the targeting device was damaged.The operation was prolonged because the insertion handle broke intra-operatively.The instrument has been returned for an investigation.There has been a crack in one of the retainer jaw.It is important to attach the plate with both connection bolts on the targeting device, to ensure a secure connection and to avoid an overstrain of the retainer jaws.If these instructions as in the surgical technique mentioned are followed, the applied force will be transferred only via the connection bolts, but not via the connection to the plate.It remains unknown if the handling of the device was not clear and if the surgical technique was followed.Additionally, as the instrument has been manufactured in 2008 it might have been on the market for more than 11 years and used excessively.However, an exact root cause for the crack on the instrument could not be determined the investigation did not identify a nonconformance or a complaint out of box (coob).If any further information is found which would change or alter any conclusions or information, a supplemental report will be filed accordingly.Zimmer biomet will continue to monitor for trends.Zimmer biomet's reference number of this file is (b)(4).
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