(b)(4).This is a combined initial/final report and is being submitted to relay information.Report source, foreign - event occurred in (b)(6).The product will not be returned to zimmer biomet for an investigation as the product location is unknown.Medical product: unknown oxford tibial component, catalog #: unknown, lot #:unknown.Medical product: unknown oxford bearing component, catalog #: unknown, lot #: unknown.Multiple mdr reports were filed for this event, please see associated reports: 3002806535-2022-00164, 3002806535-2022-00163.Complaint summary: product has not been returned for evaluation.The item and lot number have not been provided.X-rays or medical notes have not been provided.Historical search could not be performed as the item and lot number have not been provided.This device is used for treatment.Not enough information has been provided to determine if all implants are compatible.A dhr review or a review of recalls could not be performed as the item and lot number have not been provided.The likely condition of the device when it left zimmer biomet could not be determined as the item and lot number has not been provided.The root cause of the reported event can not be determined with the information provided.
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Title: cementless unicompartmental knee arthroplasty results in higher pain levels compared to the cemented technique: a prospective register study.Authors: tone gifstad· jørgen jebens nordskar · tarjei egeberg · tina strømdal wik · siri bjørgen winther.Published 25 may 2021.On 06 sep 2021, a journal article was retrieved by our clinical team that reported a study from norway which compared patient-reported outcome measures (proms) from the cemented versus cementless techniques two- and twelve-months post-operation.The study retrospectively analysed 187 cemented and 261 cementless ukas from 2015 to 2019.The oxford unicompartmental knee system was used for all patients.The main finding from the present study was significantly lower scores for activity-related pain infavour of the cemented group at both two- and twelve-month follow-up.Also, pain at rest at twelvemonth follow-up and koosps at two-month follow-up were significantly lower in the cemented group.There was a significant reduction in duration of surgery for the cementless group, but a relatively high number of prosthetic joint infections were found in that same group.The study reports revision due to periprosthetic joint infection in four patients.
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