MAKO SURGICAL CORP. MCK FEMORAL-RM-LL-SZ 8; PROSTHESIS, KNEE PATELLOFEMOROTIBIAL, PARTIAL, SEMI-CONSTRAINED, CEMENTED, POLYM
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Catalog Number 180518 |
Device Problem
Difficult to Insert (1316)
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Patient Problem
No Consequences Or Impact To Patient (2199)
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Event Date 06/11/2018 |
Event Type
malfunction
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Manufacturer Narrative
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A supplemental report will be submitted upon completion of the investigation.
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Event Description
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As reported: when going to implant the femur component the surgeon stated that when the posterior post went in the anterior post would not fixate into the hole.Tried multiple times when cementing component in and it would not seat into the post holes correctly.Please note that the trial 8 rm femur fit into place perfectly on the first try.We confirmed post holes were completely burred and there were no issues with array movement throughout the case.Another 8 rm femur implant was opened and cemented into place with no issues with the post holes seating.Pka case delayed 5 minutes.
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Event Description
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As reported: when going to implant the femur component the surgeon stated that when the posterior post went in the anterior post would not fixate into the hole.Tried multiple times when cementing component in and it would not seat into the post holes correctly.Please note that the trial 8 rm femur fit into place perfectly on the first try.We confirmed post holes were completely burred and there were no issues with array movement throughout the case.Another 8 rm femur implant was opened and cemented into place with no issues with the post holes seating.Pka case delayed 5 minutes.
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Manufacturer Narrative
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An event regarding a fit issue involving a mako femoral component was reported.The event was not confirmed.Method & results: device evaluation and results: visual inspection: visual inspection of the device shows "damage consistent with attempted implantation/explantation".Dimensional inspection: a dimensional inspection of the device was performed.The device was deemed to be within spec.Full results of the inspection are attached.Functional inspection: not performed as the failure mode could not be recreated.Material analysis: material analysis is not performed as this is not related to material integrity.Damage consistent with attempted implantation/explantation.Medical records received and evaluation: no medical records were received for review with a clinical consultant.Device history review: all devices were manufactured and accepted into final stock with no relevant reported discrepancies.Complaint history review: there have been no other similar events for the reported lot.Conclusion: the exact cause of the event could not be determined because insufficient information was provided.Additional information, including operative reports, progress notes and x-rays are needed to fully investigate the event.If further information becomes available, this investigation will be re-opened.
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Search Alerts/Recalls
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