MAUDE Adverse Event Report: SMITH & NEPHEW ORTHOPAEDICS LTD HEMI HEAD 42MM; PROSTHESIS, HIP, HEMI-, FEMORAL, METAL

Catalog Number	74122542
Medical Device Problem Code	Biocompatibility (2886)
Health Effect - Clinical Code	Metal Related Pathology (4530)
Date of Event	06/15/2021
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that the plaintiff had a left total hip arthroplasty (bhr modular system-hemi heads) on (b)(6) 2009 due to osteoarthritis.On (b)(6) 2021 the patient underwent a revision surgery where the liner and the head were explanted due to metallosis on the left hip.The current state of the patient is unknown.
Additional Manufacturer Narrative
Internal complaint reference (b)(4).
Additional Manufacturer Narrative
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 have not been returned for evaluation.A review of the historical complaints data for the devices concerned was performed using batch numbers, part numbers and the reported failure modes to evaluate patterns of repeated failures or defects.Similar complaints have been identified for the hemi head.Similar complaints have been identified for the sleeve.In the absence of the actual devices, the production records were reviewed for the devices reportedly involved in this incident.All released devices involved met manufacturing specifications upon release for distribution.Review of the product ifu found adequate warnings and precautions in relation to the alleged failure modes.A risk management review was performed.The alleged failure modes and associated risks have been anticipated within the risk file and the anticipated risk level is still adequate.No further actions are required at this time.A review of historic escalation actions related to the products and similar complaint events was performed.Following the review, prior applicable escalation actions were identified and confirmed to reduce associated risks as far as possible.No further escalation actions required.The available medical documents were reviewed.Although metallosis was reported, the revision operative report did not any findings consistent with the reported metallosis.It cannot be concluded that there was a mal performance of the implant or implant failure.The patient impact beyond the revision and expected transient post-op convalescence period cannot be determined.Based on the information provided we cannot confirm or further investigate the reported complaint, our investigation remains inconclusive, and a definitive root cause cannot be determined.Specific factors known to contribute to the alleged fault are excessive physical activity levels, unreasonable stress on replacement system, excessive patient weight, trauma to the joint replacement.Should the devices or additional information be received, the complaint will be reopened.Based on this investigation, the need for corrective and preventative actions is not indicated.

• Brand Name: HEMI HEAD 42MM
• Common Device Name: PROSTHESIS, HIP, HEMI-, FEMORAL, METAL
• Manufacturer (Section D): SMITH & NEPHEW ORTHOPAEDICS LTD; aurora house, spa park; leamington spa warwickshire CV31 3HL; UK CV31 3HL
• Manufacturer (Section G): SMITH & NEPHEW ORTHOPAEDICS LTD; aurora house, spa park; leamington spa warwickshire CV31 3HL; UK CV31 3HL
• Manufacturer Contact: holly topping ; 7000 west william cannon drive; austin, TX 78735 ; 5123913905
• MDR Report Key: 15203364
• Report Number: 3005975929-2022-00452
• Device Sequence Number: 17358164
• Product Code: KWL
• UDI-Device Identifier: 00885556070710
• UDI-Public: 885556070710
• Combination Product (Y/N): N
• Initial Reporter State: CA
• Initial Reporter Country: US
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2009
• Device Explanted Year: 2021
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 09/21/2022

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Expiration Date: 06/29/2013
• Device Catalogue Number: 74122542
• Device Lot Number: 08FW17362
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 07/22/2022
• Supplement Date Received by Manufacturer: 09/21/2022
• Initial Report FDA Received Date: 08/10/2022
• Supplement Report FDA Received Date: 09/22/2022
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 06/30/2008
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Sex: Male