SMITH & NEPHEW ORTHOPAEDICS LTD UNKN BIRMINGHAM HIP RESURFACING (BHR) CUP (UNKN TYPE); PROSTHESIS, HIP, SEMI-CONSTRAINED, METAL/METAL, RESURFACING
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Catalog Number UNKNOWN |
Device Problems
Compatibility Problem (2960); Patient Device Interaction Problem (4001)
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Patient Problems
Cyst(s) (1800); Foreign Body Reaction (1868); Failure of Implant (1924); Pain (1994); Metal Related Pathology (4530)
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Event Date 08/20/2019 |
Event Type
Injury
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Event Description
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It was reported that, after a bhr construct had been implanted in a left hip on (b)(6) 2008, the patient experienced, as consequence of a failed left total hip replacement, pain and poor function; cobalt toxicity; pseudotumor with involvement of deep capsular structures and external rotators; atrophy and necrosis of tissue and fluid in hip joint.A revision surgery was performed on (b)(6) 2019 to treat the adverse event.The patient outcome is unknown.
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Manufacturer Narrative
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It was reported that left hip revision surgery was performed.As of today, the implanted devices, all of which were used in treatment, and additional information have been requested for this complaint but have not become available.As no device part and batch numbers were provided for investigation, a complaint history review, manufacturing record review and device labelling / ifu review could not be performed.If more information is received, this investigation will be reopened.A risk management review was performed.No additional risks were identified as result of the reported event and no further actions are required at this time.Smith and nephew have not received the device/adequate materials to fully evaluate the complaint, but if additional clinically relevant materials are later received, then the case may be re-opened for further evaluation.Without return of the actual devices or further information we cannot further investigate or confirm the details supplied in this complaint, and our investigation remains inconclusive.If the products or additional information become available in the future, this case will be reopened.No preventative or corrective action has been initiated as a result of this investigation.
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Manufacturer Narrative
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H3, h6: it was reported that left hip revision surgery was performed.As of today, the implanted devices, all of which were used in treatment, and additional information have been requested for this complaint but have not become available.As no device part and batch numbers were provided for investigation, a complaint history review, manufacturing record review and device labelling/instructions for use review could not be performed.If more information is received, this investigation will be reopened.A risk management review was performed.No additional risks were identified as result of the reported event and no further actions are required at this time.The available medical documents were reviewed.The revision operative report does not note findings consistent with the complaint description of pseudotumor with involvement of deep capsular structures and external rotators; atrophy and necrosis of tissue and fluid in hip joint.Although the reported pain, femoral loosening, osteolysis and metal staining may be consistent with metal debris; without the supporting lab/pathology results, imaging, and/or the analysis of the explanted components, the root cause of the reported clinical reactions cannot be confirmed and it cannot be concluded that the reported clinical reactions were associated with a mal-performance of the implant.The patient impact beyond the pain, revision, and expected transient post-op convalescence period cannot be determined.Without return of the actual devices or further information we cannot further investigate or confirm the details supplied in this complaint, and our investigation remains inconclusive.If the products or additional information become available in the future, this case will be reopened.No preventative or corrective action has been initiated as a result of this investigation.
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