MAKO SURGICAL CORP. MCK TIBIAL ONLAY INSERT-SZ 5-8MM; PROSTHESIS, KNEE PATELLOFEMOROTIBIAL, PARTIAL, SEMI-CONSTRAINED, CEMENTED, POLYM
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Model Number 180705-1 |
Device Problem
Fracture (1260)
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Patient Problems
No Known Impact Or Consequence To Patient (2692); No Clinical Signs, Symptoms or Conditions (4582)
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Event Date 07/28/2020 |
Event Type
malfunction
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Manufacturer Narrative
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It was noted that the device is not available for evaluation.If additional information is received, it will be provided in a supplemental report upon completion of the investigation.Device not returned.
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Event Description
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It was reported by the distributor that surgeon was about to implant the insert as usual.However, upon impact, the insert did not appear to sit very well on the tibia tray.Hence, the surgeon further examine and realise the insert has cracked.Hence, he requested for another new insert while attempt to remove the cracked insert.This is the primary surgery.Surgery delayed for 5 to 10mins.Hospital: sgh, case no: (b)(4).Catalog number : 180705-1.Lot / serial number : (b)(4).Product is available for return for investigation.
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Event Description
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It was reported by the distributor that surgeon was about to implant the insert as usual.However, upon impact, the insert did not appear to sit very well on the tibia tray.Hence, the surgeon further examine and realise the insert has cracked.Hence, he requested for another new insert while attempt to remove the cracked insert.This is the primary surgery.Surgery delayed for 5 to 10mins.
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Manufacturer Narrative
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Reported event: an event regarding crack/fracture involving a mako insert was reported.The event was confirmed based on inspection.Method & results: -product evaluation and results:visual inspection: the device was returned in used condition.Scratch marks and dent can be seen on the surface of an insert.Refer attached pics ma: damage observed on the insert consistent with attempted implantation.Based on the given information, no identifiable materials or manufacturing discrepancies were observed on the surfaces examined dimensional inspection: not performed as the dimensional aspects are not in question.Functional inspection: not performed as the functional aspects are not in question.-clinician review: not performed as no medical records were received for review with a clinical consultant.-product history review: indicated 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 lot or sterile lot referenced.Conclusion: it was reported by the distributor that surgeon was about to implant the insert as usual.However, upon impact, the insert did not apppear to sit very well on the tibia tray.Hence, the surgeon further examine and realise the insert has cracked.The event was confirmed based on inspection.The device was returned in used condition.Scratch marks and dent can be seen on the surface of an insert.Refer attached pics ma: damage observed on the insert consistent with attempted implantation.Based on the given information, no identifiable materials or manufacturing discrepancies were observed on the surfaces examined the exact cause of the event could not be determined because insufficient information was provided.Additional information including operative reports, progress notes, 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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