MAUDE Adverse Event Report: ZIMMER BIOMET, INC. VANGUARD ANT STBLZD BRG 10X83; PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED

Catalog Number	189120
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Codes	Extraskeletal ossification (1428); Pain (1994); Loss of Range of Motion (2032); Ambulation or Postural Difficulties (2544); Joint Laxity (4526); Muscle/Tendon Damage (4532); Swelling/ Edema (4577)
Date of Event	01/28/2025
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that approximately 1 month post-op, the patient presented with pain, swelling, instability, and increasing patella alta.The patient underwent patellar tendon repair due to inferior pole rupture.Afterward, the cerclage wire failed resulting in an additional repair which again failed.Subsequently, the patient underwent a revision due to pain, swelling, flexion contracture, and chronic patellar tendon rupture.During the revision, the initial tibial and revised patellar implants were retained.The bearing and femoral components were revised and an extensor mechanism allograft reconstruction completed without complications.The patient demonstrated satisfactory progress with strength and ambulation with no further complications.Attempts have been made and no further information has been provided.
Additional Manufacturer Narrative
(b)(4).D10: 183014 - vanguard cr ilok fem-rt 75 - j7030081.141205 - biomet tibial locking bar - 602600.184788 - series a pat thin 37x8.6 3 peg - 371030.141236 - biomet cc cruciate tray 83mm - j7053597.110035368 - biomet bc r 1x40 us - az43aj2201.110035368 - biomet bc r 1x40 us - az48ck2305.Customer has indicated that the product will not be returned to zimmer biomet for investigation.Once the investigation has been completed, a follow-up mdr will be submitted.
Additional Manufacturer Narrative
This follow-up report is being submitted to relay additional information.The following sections were updated: b4; b5; d2; g1; g3; g6; h1; h2; h3; h6; h10.The event is confirmed.No product was returned, or pictures provided; visual and dimensional evaluations could not be performed.The device history record was reviewed and no discrepancies relevant to the reported event were found.Medical records were provided and reviewed by a health care professional.Review of the available records identified the following: review of the x-ray notes identified the total knee components appear to be well sized and aligned with no evidence of complication.Review of the revision op notes identified the patient presented with pain and flexion contracture.Patellar tendon rupture was present.The bearing was removed with no wear noted and the femoral component was removed with minimal bone loss.A definitive root cause cannot be determined.If any further information is found which would change or alter any conclusions or information, a supplemental report will be filed accordingly.Zimmer biomet will continue to monitor for trends.
Event or Problem Description
No further event information available at the time of this report.

• Brand Name: VANGUARD ANT STBLZD BRG 10X83
• Common Device Name: PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED
• 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: 24498396
• Report Number: 0001825034-2026-00488
• Device Sequence Number: 10593507
• Product Code: JWH
• UDI-Device Identifier: 00880304436992
• UDI-Public: (01)00880304436992(17)270525(10)185200
• Combination Product (Y/N): N
• Initial Reporter State: OK
• Initial Reporter Country: US
• PMA/510(K) Number: K171054
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2022
• Device Explanted Year: 2025
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Consumer,Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 06/02/2026

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: Lay User/Patient
• Device Catalogue Number: 189120
• Device Lot Number: 185200
• 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: 02/13/2026
• Supplement Date Received by Manufacturer: 06/02/2026
• Initial Report FDA Received Date: 03/03/2026
• Supplement Report FDA Received Date: 06/03/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 05/25/2022
• 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
• Concomitant Medical Products and Therapy/Usage Dates: SEE H11.
• Outcome Attributed to Adverse Event: Required Intervention; Hospitalization
• Patient Sex: Male
• Patient Weight: 176 KG
• Patient Ethnicity: Hispanic
• Patient Race: White