STANMORE IMPLANTS WORLDWIDE INT SHFT&STEM OVLCOL 15X36X44C; PROSTHESIS, KNEE, FEMOROTIBIAL, CONSTRAINED, CEMENTED, METAL/POLYMER
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Catalog Number MSISS-O15X36X44C |
Device Problem
Loss of Osseointegration (2408)
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Patient Problems
Bone Fracture(s) (1870); Unspecified Infection (1930); Inadequate Osseointegration (2646)
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Event Date 10/18/2021 |
Event Type
Injury
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Manufacturer Narrative
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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.
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Event Description
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An implant prescription form reported imminent peri prosthetic fracture of the femur due to gross loosening of femoral component.The patient will be revised due to second stage infection.
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Event Description
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An implant prescription form reported imminent peri prosthetic fracture of the femur due to gross loosening of femoral component.The patient will be revised due to second stage infection.Update 07 february 2022: clinician review states " [.] the ct scan image provided shows that there were massive femoral and tibial bone remodelling and resorption, together with radiolucency along the femoral and tibial stems, indicating loosening of the stems.The femoral stem was not in line with the bone and the tip of the stem has caused periprosthetic fracture on the medial side [.]".
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Manufacturer Narrative
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Reported event: an event regarding loosening involving a mets, distal femoral replacement, femoral stem was reported.The event was confirmed by x ray review.Method & results: device evaluation and results: not performed as product was not returned.Clinician review: a review of the provided x-rays by a clinical consultant indicated: the implant in situ was for mets distal femoral replacement, the date of insertion is (b)(6) 2014.The surgeon reported imminent peri prosthetic fracture of the femur due to gross loosening of the femoral component.The ct scan image provided shows that there were massive femoral and tibial bone remodelling and resorption, together with radiolucency along the femoral and tibial stems, indicating loosening of the stems.The femoral stem was not in line with the bone and the tip of the stem has caused periprosthetic fracture on the medial side.Therefore, the radiographic review can confirm the clinical report and reason for revision.Device history review: review of the product history records indicate device was manufactured and accepted into final stock with no reported discrepancies.Complaint history review: there have been no other events for the lot referenced.Conclusion: the exact cause of the event could not be determined because insufficient information was provided.Additional information including operative reports, pathology reports, progress notes, and return of the device are needed to fully investigate the event.If further information becomes available or the product is returned, this investigation will be re-opened.
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