STRYKER ORTHOPAEDICS-MAHWAH TRIATHLON PS X3 TIBIAL INSERT; PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, CO
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Model Number 5532-G-609 |
Device Problem
Insufficient Information (3190)
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Patient Problems
Calcium Deposits/Calcification (1758); Injury (2348)
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Event Date 11/24/2015 |
Event Type
Injury
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Manufacturer Narrative
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Review of the device history records indicate devices were manufactured and accepted into final stock with no relevant reported discrepancies.There have been no other similar events for the lot referenced.It was noted that the device is not available for evaluation.Should additional information become available, it will be provided in a supplemental report upon completion of the investigation.The following devices were also listed in this report: triathlon asymmetric x3 patella; cat # 5551-g-350; lot # 7kw6.Triathlon prim tib baseplate - cemented; cat# 5520-b-600; lot # hjzld.Triathlon ps fem component, cemented; cat # 5515-f-602; lot # iaubd.It cannot be determined which, if any of these devices may have caused or contributed to the patient's experience.
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Event Description
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Based on the medical review the patient underwent right knee arthroplasty on (b)(6) 2013.Right knee x-rays documented abnormal calcification near the inferior pole of the patella.With persistent complaints it was decided to remove this calcification and this was performed on (b)(6) 2015.Arthrotomy was performed with removal of the bony ossicle and partial lateral release of the patella.
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Event Description
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Based on the medical review the patient underwent right knee arthroplasty on 28 march 2013.Right knee x-rays documented abnormal calcification near the inferior pole of the patella.With persistent complaints it was decided to remove this calcification and this was performed on 24 november 2015.Arthrotomy was performed with removal of the bony ossicle and partial lateral release of the patella.
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Manufacturer Narrative
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Reported event: an event regarding patient factors involving a triathlon insert was reported.The event was confirmed through clinician review of the provided medical records.Method & results: -product evaluation and results: not performed as no product was returned for evaluation.-clinician review: a review of the provided medical records and x-rays by a clinical consultant indicated: right knee x-rays documented an abnormal calcification near the inferior pole of the patella after persistent complaints.Arthrotomy was performed on 24 november 2015 to remove the bony ossicle and partial release of the patella.-product history review: indicated all devices were manufactured and accepted into final stock with no reported discrepancies.-complaint history review: there have been no other similar events for the lot referenced.Conclusions: a review of the provided medical records and x-rays by a clinical consultant indicated: on 09 april 2014 right knee pain developed anteriorly and laterally on activity the patient had a local corticosteroid injection for a diagnosis of lateral synovitis.Right knee x-rays documented an abnormal calcification near the inferior pole of the patella after persistent complaints.Arthrotomy was performed on 24 november 2015 to remove the bony ossicle and partial release of the patella.[.] no device-related factors are associated with any of the implanted devices.If additional information becomes available to indicate further evaluation is warranted, this record will be reopened.
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Search Alerts/Recalls
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