Model Number N/A |
Device Problem
Appropriate Term/Code Not Available (3191)
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Patient Problems
Pain (1994); Reaction (2414)
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Event Date 12/11/2017 |
Event Type
Injury
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Manufacturer Narrative
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(b)(4).Concomitant medical products: persona trabecular metal natural tibia, catalog #: 42530007902 lot #: 62743335.Persona fixed bearing articular surface, catalog #: 42522000611 lot #: 62807459.Nexgen trabecular metal primary patella, catalog #: 00587806538 lot #: 62726902.Product will not be returned to zimmer biomet.The investigation is in process.Once the investigation has been completed, a follow-up mdr will be submitted.
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Event Description
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It was reported that a patient underwent an initial knee procedure.Subsequently, the patient was revised due to tibial loosening and pain.The femur was revised because of concern of nickel metal energy.
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Manufacturer Narrative
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No product was returned; visual and dimensional evaluations could not be performed.Review of the x-rays by private hcp indicates that these pictures of x-rays are sub-optimal.The fit and alignment of the implants are appropriate.There is no sign of loosening on the ap film and the skyline views.No metal particles are visible.There is no indication as to why a revision was needed on these images.Overall, right total knee arthroplasty without definite lucency to suggest loosening or infection.Review of the dhr found no discrepancies relevant to the reported event.Per the package insert persona the personalized knee system, pain, loosening and metal sensitivity are known potential adverse effects of the tka procedure.Complaint history review determined no further action(s) is/are required.Root cause of the tibial loosening was determined to be due to a previously addressed design issue, however a definitive root cause cannot be determined with the limited information provided about the metal allergy due to the femoral component.If any further information is found which would change or alter any conclusions or information, a supplemental will be filed accordingly.Zimmer biomet will continue to monitor for trends.
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Event Description
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It was reported that a patient underwent an initial knee arthroplasty.Subsequently, the patient was revised due to tibial loosening and pain.The femur was revised because of concern of nickel metal allergy.
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Manufacturer Narrative
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If any further information is found which would change or alter any conclusions or information, a supplemental will be filed accordingly.Zimmer biomet will continue to monitor for trends.
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Event Description
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It was further reported the patient almost nearly fell (slipped) and felt a pull approximately two months post-implantation.The patient stated that his thigh muscle felt strained with pain/bruising.Patient also noted to have mild pain when walking or using stairs.Operative notes received further indicated that approximately seven days prior to the revision procedure, the patient noted pain, stiffness, swelling and grinding.Further, walking/standing, using stairs, rising from a chair, and getting in and out of a car all caused increased pain.The patient was also noted to have a slight limp.During the revision procedure, the surgeon noted that the tibial component only had 50% bony ingrowth on the backside of the implant.
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Manufacturer Narrative
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Reported event was confirmed by review of metal test report.Dhr was reviewed and no discrepancies relevant to the reported event were found.The root cause for the revision of the femoral component is due to the patient's reactivity to nickel.If any further information is found which would change or alter any conclusions or information, a supplemental will be filed accordingly.Zimmer biomet will continue to monitor for trends.
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Search Alerts/Recalls
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