MAUDE Adverse Event Report: ZIMMER BIOMET, INC. RINGLOC BI-POLAR 28X45MM; PROSTHESIS, HIP

Catalog Number	11-165214
Medical Device Problem Codes	Detachment of Device or Device Component (2907); Device Dislodged or Dislocated (2923)
Health Effect - Clinical Codes	Fall (1848); Joint Dislocation (2374); Dementia (4405)
Date of Event	09/30/2025
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
(b)(4).D10: femoral head 12/14 taper 28 mm diameter +0 mm neck length item: 802202802 lot: 67206838.Femoral stem cementless collared standard offset 12/14 taper size 3 item: 574201030 lot: 574201030.The reported product has been returned to zimmer biomet for investigation.Once the investigation has been completed, a supplemental mdr will be submitted.
Event or Problem Description
It was reported that the patient fell and underwent a closed reduction due to a dislocated hip.During the closed reduction, the biomet bipolar shell and liner disassociated.Subsequently, the patient was revised approximately 10 days post implantation.Patient has dementia leading to falling after initial surgery.Soft tissue injury of the right hip.No additional information is available for the reported event.
Event or Problem Description
No additional information available for the reported event.
Additional Manufacturer Narrative
This follow-up report is being submitted to relay additional information.The following sections were updated: d4; g3; h2; h3; h4; h6.Visual examination of the returned product identified the ringloc bipolar remains assembled and femoral head seated in the ringloc insert.Shell outer spherical surface has scratches.Visible area of the insert rim has nicks and deformation present.Head rotates smoothly inside the insert.Dimensional analysis of the product determined that the product, where measured, was conforming to print specifications.Review of the device history record identified no deviations or anomalies during manufacturing.Radiographs were provided and reviewed by a health care professional.Review of the available records identified the following: right hip fracture treated with bipolar hip arthroplasty shows superior dislocation of the entire bipolar hip arthroplasty system by day 9 postop reportedly due to patient fall.A definitive root cause cannot be determined.It was reported the patient had a fall; however, the cause of the fall is not known.It is unknown if the devices caused or contributed to the reported dislocation.If any further information is found which would change or alter any conclusions or information, a supplemental will be filed accordingly.Zimmer biomet will continue to monitor trends.

• Brand Name: RINGLOC BI-POLAR 28X45MM
• Common Device Name: PROSTHESIS, HIP
• Manufacturer (Section D): ZIMMER BIOMET, INC.; 56 e. bell drive; p.o. box 587; warsaw IN 46581
• Manufacturer (Section G): ZIMMER BIOMET, INC.; 56 e. bell drive; p.o. box 587; warsaw IN 46581
• Manufacturer Contact: jennifer rapsavage ; 56 e. bell dr.; warsaw, IN 46582 ; 5745260384
• MDR Report Key: 23373900
• Report Number: 0001825034-2025-03316
• Device Sequence Number: 9270913
• Product Code: JDI
• UDI-Device Identifier: 00880304209657
• UDI-Public: (01)00880304209657(17)300613(10)67269003
• Combination Product (Y/N): N
• Initial Reporter State: ME
• Initial Reporter Country: US
• PMA/510(K) Number: K051569
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2025
• Device Explanted Year: 2025
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 03/09/2026

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?: Yes
• Operator of Device: Lay User/Patient
• Device Catalogue Number: 11-165214
• Device Lot Number: 67269003
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 10/09/2025
• 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: 09/30/2025
• Supplement Date Received by Manufacturer: 03/09/2026
• Initial Report FDA Received Date: 10/23/2025
• Supplement Report FDA Received Date: 03/10/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 06/13/2025
• 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: N/A
• Patient Sequence Number: 1
• Concomitant Medical Products and Therapy/Usage Dates: SEE H11.
• Outcome Attributed to Adverse Event: Required Intervention; Hospitalization
• Patient Sex: Female
• Patient Weight: 58 KG