Model Number 115370 |
Device Problems
Positioning Failure (1158); Material Deformation (2976)
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Patient Problem
No Clinical Signs, Symptoms or Conditions (4582)
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Event Date 02/09/2023 |
Event Type
malfunction
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Manufacturer Narrative
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(b)(4).Common device name: product code: phx.Report source: foreign: germany.Customer has indicated that the product is in process of being returned to zimmer biomet for investigation.Upon receipt of additional information or completion of the investigation, a follow-up mdr will be submitted.
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Event Description
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It was reported that during an initial shoulder replacement surgery, the locking ring of the humeral shell was closed or compressed, rendering it unable to assemble with the polyethylene bearing.A second set of implants was used to complete the procedure.No patient impact or adverse events have been reported as a result of this malfunction.Due diligence is in process for this event; to date no further information has been reported.
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Manufacturer Narrative
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This follow-up report is being submitted to relay additional information.Visual examination of the returned product verified the lot number and identified the device shows minimal signs of use with some small nicks or gouges on the locking ring.The locking ring was not compressed or closed when received.Device history record was reviewed and no discrepancies related to the reported event were found.Investigation results concluded that the reported event was due to use error.It was reported that the bearing assembly tool was not utilized while trying to mate the tray and bearing during the procedure.Per the surgical technique, "utilize the bearing assembly tool to first spread the locking mechanism to the open position by fully seating the bearing assembly tool on the humeral tray.An audible ¿click¿ will be heard when the bearing assembly tool is properly engaged.Next, place the engaged bearing assembly tool and humeral tray on the glenosphere offset orientation block.Position the definitive humeral bearing in the definitive humeral tray, ensuring that the laser etching on the bearing aligns with the laser etching on the humeral tray.Using the humeral bearing/tray impactor tool, apply downward pressure to the bearing and remove the bearing assembly tool continuing to apply downward pressure on the bearing." a summary of the investigation was sent to the complainant conveying proper surgical technique and use of the device.If any 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.
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Event Description
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No further event information at time of this report.
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Search Alerts/Recalls
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