MAUDE Adverse Event Report: SMITH & NEPHEW ORTHOPAEDICS LTD RESURFACING FEMORAL HEAD 46MM; PROSTHESIS, HIP, SEMI-CONSTRAINED, METAL/METAL, RESURFACING

Catalog Number	74121146
Medical Device Problem Code	Biocompatibility (2886)
Health Effect - Clinical Code	Metal Related Pathology (4530)
Date of Event	03/06/2024
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Internal complaint reference (b)(4).H3, h6: this complaint was opened by smith+nephew to document a patient complication reported that includes reference to the use of a smith+nephew product without evidence about a specific product problem.The reported complication relates to known inherent procedural risks that are appropriately documented in our risk files.Smith+nephew will continue to monitor trends in accordance with our post-market surveillance process and take necessary action as required if anticipated severity and/or occurrence rates are exceeded.Smith+nephew has no reason to suspect that the product failed to meet any specifications at the time of manufacture.Based on our review of all currently available information, we are unable to confirm a relationship between the reported event and the device or identify a definitive root cause.However, as the use of our product cannot be excluded as a potential cause or contributory factor to the reported issue, we are submitting this report in accordance with applicable regulations.If additional investigative findings or information becomes available that alters the conclusions of this report, a follow-up report will be submitted as required.
Event or Problem Description
It was reported that after undergoing a bhr on (b)(6) 2007, due to degenerative joint disease on right hip.In addition, patient had severe degenerative joint disease anterosuperior femoral head and corresponding area on the acetabulum.She had a labral tear that not inverted.After this, patient suffered from adverse local tissue response with complete destruction of the posterior external rotators and capsule consistent with large metal-on-metal hip resurfacing.This adverse event was addressed by conducting a revision surgery on (b)(6) 2024, during which the resurfacing femoral head 46mm was explanted.During procedure, upon incising the fascia it was clear that the patient had adverse local tissue response involving the entire short external rotators and capsule.Surgeon evaluated the acetabular component.It was well-fixed, medial, oversized, good inclination, and slightly decreased anteversion.However, given the pros previously listed, opted to maintain it.He did not think it was possible to close the short external rotators as the sciatic nerve was very close to the previously tagged suture.The patient tolerated the procedure well.There were no complications.
Additional Manufacturer Narrative
H9: concomitant product: 74120154 acetlr cup hap 54mm w/ imptr lot#74251 was also subject to an action reported to fda.Please refer to z-2746-2015.H3, h6: 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 alleged devices 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 the head and cup.This failure will continue to be monitored via routine trending.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.The 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 are required.The available medical documents were reviewed.A clinical root cause could not be determined.However, it cannot be determined to what extent the reported oversized acetabular component, with slightly decreased anteversion, affected the patient¿s clinical status.The patient impact is determined to be the revision.Based on the information provided, further investigation of the reported complaint cannot be carried out.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, loosening of components may increase production of wear particles and accelerate damage to the bone.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: RESURFACING FEMORAL HEAD 46MM
• Common Device Name: PROSTHESIS, HIP, SEMI-CONSTRAINED, METAL/METAL, RESURFACING
• 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: 20653123
• Report Number: 3005975929-2024-00151
• Device Sequence Number: 20914001
• Product Code: NXT
• UDI-Device Identifier: 03596010502780
• UDI-Public: 03596010502780
• Combination Product (Y/N): N
• Initial Reporter Country: US
• PMA/510(K) Number: P040033
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2007
• Device Explanted Year: 2024
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional,Company Representative
• Initial Reporter Occupation: Other
• Remedial Action: Recall
• Type of Report: Initial,Followup
• Report Date (Section B): 12/12/2024

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?: No
• Operator of Device: Health Professional
• Device Catalogue Number: 74121146
• Device Lot Number: 74629
• 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: 10/21/2024
• Supplement Date Received by Manufacturer: 12/09/2024
• Initial Report FDA Received Date: 11/11/2024
• Supplement Report FDA Received Date: 12/12/2024
• Was Device Evaluated by Manufacturer? (Y/N): No
• 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
• If action reported to FDA under 21 USC 360i(g), list FDA-assigned Recall Number or include a statement: Z-2745-2015
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Hospitalization; Required Intervention
• Patient Age: 66 YR
• Patient Sex: Female