WRIGHT MEDICAL TECHNOLOGY, INC. INFINITY TOTAL ANKLE SYSTEM; PROSTHESIS, ANKLE, SEMI-CONSTRAINED, CEMENTED, METAL/POLYMER
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Model Number 33650003 |
Device Problem
Loss of Osseointegration (2408)
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Patient Problem
Insufficient Information (4580)
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Event Date 04/28/2021 |
Event Type
Injury
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Manufacturer Narrative
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Device not returned at time of this report.If additional information becomes available, it will be provided on a supplemental report.
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Event Description
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It was reported in a patient study that the patient had a surgical intervention due to the tibia implant loosening.The talus implant was solid clinically and radiographically, excellent remaining bone stock, no sign of infection, tibia 5% valgus & reluctant gutter impingement forefoot reasonably balanced.The patient was revised to a different tibia and the poly was also changed during the surgery.Talus remained from original surgery.No other information available.
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Manufacturer Narrative
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The reported event could not be confirmed since the device was not returned for evaluation and no other evidences were provided.The devices had been implanted for approximately 2.5 years.There was no sign of infection.The patient's tibia was 5% valgus and had reluctant gutter impingement forefoot, reasonably balanced.The patient had a bmi greater than 30.There are many clinical factors that can affect the results of any surgery, such as surgical technique, pre-operative and post-operative care, the implant, patient pathology and daily activity.According to the current ifu provided with these devices, "dislocation and subluxation of prosthetic components can result from improper positioning and/ or migration of the components.Muscle and fibrous tissue laxity can also contribute to these conditions.Prosthetic components can loosen or migrate due to trauma or loss of fixation." more detailed information about the complaint event as well as the affected device must be available in order to determine the root cause of the complaint event.A review of the device history for the reported lot did not indicate any abnormalities.No corrective actions are required at this time.A review of the labeling did not indicate any abnormalities.No indications of material, manufacturing or design related problems were found during the investigation.If more information is provided, the case will be reassessed.H3 other text: device discarded.
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Event Description
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It was reported in a patient study that the patient had a surgical intervention due to the tibia implant loosening.The talus implant was solid clinically and radiographically, excellent remaining bone stock, no sign of infection, tibia 5% valgus & reluctant gutter impingement forefoot reasonably balanced.The patient was revised to a different tibia and the poly was also changed during the surgery.Talus remained from original surgery.No other information available.
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