SMITH & NEPHEW ORTHOPAEDICS LTD ACETLR CUP HAP 48MM W/ IMPTR; PROSTHESIS, HIP, SEMI-CONSTRAINED, METAL/METAL, RESURFACING
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Model Number 74120148 |
Device Problem
Adverse Event Without Identified Device or Use Problem (2993)
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Patient Problems
Pain (1994); Sleep Dysfunction (2517); Metal Related Pathology (4530)
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Event Date 09/02/2020 |
Event Type
Injury
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Manufacturer Narrative
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Complaint reference: (b)(4).
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Event Description
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It was reported that a revision surgery was performed on the patient right hip on (b)(6) 2020.The revision surgery was performed due to difficulty walking and performing other physical activities; loss of range of motion and stiffness, exhaustion from pain, difficulty performing activities of daily life; difficulty sleeping; pain in the right hip; metallosis; adverse reaction to metal debris; and elevated levels of metal ions in blood.Among the intraoperative findings there was a revision acetabular component due to wear of articular bearing surface of internal prosthetic of right hip joint, evidence of trunnionosis and thickened avascular tissue evident.The patient outcome is unknown.
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Manufacturer Narrative
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It was reported that right hip revision surgery was performed.During the revision, the hemi head and modular sleeve were removed.The bhr cup and stem remained implanted.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.A review of the complaint history for the bhr cup, hemi head and modular sleeve was performed using batch numbers in search of similar recurring reports for the products during their lifetimes.No other similar complaints were identified for the bhr cup and hemi head.Similar complaints have been identified for the sleeve.However, as the device is no longer sold, no action is to be taken.In the absence of the actual devices, the production records were reviewed for the devices reportedly involved in this incident.Review of manufacturing records did not reveal any waivers, concessions, manufacturing or material abnormalities that could have contributed to this issue.Review of the product ifu found adequate warnings and precautions in relation to the alleged failure modes.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 clinical information provided, of the trunnionosis and thickened avascular tissue may be consistent with a reaction to metal debris.However, the source and the root cause cannot be determined with the available documentation.It cannot be concluded that the reported clinical findings are associated with the implant failure.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 right hip revision surgery was performed.During the revision, the hemi head and modular sleeve were removed.The bhr cup and stem remained implanted.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.A review of the complaint history for the bhr cup, hemi head and modular sleeve was performed using batch numbers in search of similar recurring reports for the products during their lifetimes.No other similar complaints were identified for the bhr cup and hemi head.Similar complaints have been identified for the sleeve.However, as the device is no longer sold, no action is to be taken.In the absence of the actual devices, the production records were reviewed for the devices reportedly involved in this incident.Review of manufacturing records did not reveal any waivers, concessions, manufacturing or material abnormalities that could have contributed to this issue.Review of the product ifu found adequate warnings and precautions in relation to the alleged failure modes.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 thickened avascular tissue and adverse tissue reaction may be consistent with a reaction to trunnionosis and resulting metal debris.The source and the root cause cannot be determined with the available documentation; however, the patient¿s history of being thrown from a horse cannot be ruled out as a contributing factor to the reported pain and clinical reactions.It cannot be concluded that the reported clinical findings are associated with the implant failure.Without return of the actual devices or further information we cannot further investigate or confirm the details supplied in this complaint, our investigation remains inconclusive and a probable root cause cannot be determined.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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