MAUDE Adverse Event Report: MICROPORT ORTHOPEDICS INC. CONSERVE® A-CLASS® BFH® HEAD MEDIUM NECK 40MM; HIP COMPONENT

Model Number	38AM4000
Medical Device Problem Code	Insufficient Device Problem Information (3190)
Health Effect - Clinical Codes	Metal Related Pathology (4530); No Clinical Signs, Symptoms or Conditions (4582)
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
This event will be updated once the investigation is complete.Trends will be evaluated.
Event or Problem Description
Allegedly, patient had a mod z stem & neck, dynasty metal on metal acetabulum.Surgeon wanted to remove the metal on metal (mom) including the stem.He retained the dynasty shell.Inserted a dual mobility liner and insert.He replaced the stem with a zimmer revision stem and 28mm ceramic head.
Additional Manufacturer Narrative
See memo attached.

• Brand Name: CONSERVE® A-CLASS® BFH® HEAD MEDIUM NECK 40MM
• Common Device Name: HIP COMPONENT
• Manufacturer (Section D): MICROPORT ORTHOPEDICS INC.; 5677 airline rd.; arlington TN 38002
• Manufacturer Contact: rachael wise ; 5677 airline road; arlington, TN 38002 ; 9018674771
• MDR Report Key: 23768615
• Report Number: 3010536692-2025-00391
• Device Sequence Number: 10631301
• Product Code: KWA
• UDI-Device Identifier: M68438AM40001
• UDI-Public: M68438AM40001
• Combination Product (Y/N): N
• Initial Reporter State: FL
• Initial Reporter Country: US
• PMA/510(K) Number: K021349
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2010
• Device Explanted Year: 2025
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Distributor
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 02/03/2026

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: Other
• Device Model Number: 38AM4000
• Device Catalogue Number: 38AM4000
• Device Lot Number: 078670401
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 11/13/2025
• Supplement Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 12/10/2025
• Supplement Report FDA Received Date: 02/03/2026
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Is the Device Labeled for Single Use? (Y/N): Yes
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Age: 68 YR
• Patient Sex: Male