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Columbus® UC NN420Recalls & reported problems

Aesculap AG · COLUMBUS UC GLIDING SURFACE T2/2+ 10MM · Class 2 · Implant

Data updated Oct 18, 2026 from official FDA records · Editorial policy

Adverse event reports
2
Deaths reported
0
Injuries reported
2
Recalls naming it
0

Summary

The FDA's MAUDE database contains 2 adverse event reports that list this exact device (DI 04038653445349), received between Aug 27, 2024 and Nov 5, 2024 — classified as 2 injuries.

The most frequently reported specific device problem is “Device Appears to Trigger Rejection” (1 report).

Reports come from manufacturers, hospitals and patients and are not verified by the FDA. A report does not prove the device caused the event, and counts can't be used to compare devices or estimate failure rates. What reports can and can't tell you · How this data works · Data updated Oct 18, 2026.

Reports received per month

Nov 2023: 0 reportsDec 2023: 0 reportsJan 2024: 0 reportsFeb 2024: 0 reportsMar 2024: 0 reportsApr 2024: 0 reportsMay 2024: 0 reportsJun 2024: 0 reportsJul 2024: 0 reportsAug 2024: 1 reportsSep 2024: 0 reportsOct 2024: 0 reportsNov 2024: 1 reportsDec 2024: 0 reportsJan 2025: 0 reportsFeb 2025: 0 reportsMar 2025: 0 reportsApr 2025: 0 reportsMay 2025: 0 reportsJun 2025: 0 reportsJul 2025: 0 reportsAug 2025: 0 reportsSep 2025: 0 reportsOct 2025: 0 reportsNov 2025: 0 reportsDec 2025: 0 reportsJan 2026: 0 reportsFeb 2026: 0 reportsMar 2026: 0 reportsApr 2026: 0 reportsMay 2026: 0 reportsJun 2026: 0 reportsJul 2026: 0 reportsAug 2026: 0 reportsSep 2026: 0 reportsOct 2026: 0 reports2024202520261
Last 36 months. The most recent month may be incomplete.

Most reported problems

Device problems

  • Device Appears to Trigger Rejection1
  • Patient-Device Incompatibility1

Patient problems

  • Failure of Implant1
  • Implant Pain1
  • Liver Damage/Dysfunction1

Recent adverse event reports

The 2 most recent of 2 reports, in the reporter's own words as published by the FDA.

  • InjuryNov 5, 2024Patient-Device Incompatibility; Patient-Device Incompatibility

    IT WAS REPORTED TO AESCULAP INC. THAT AN THAT THERE WAS AN ISSUE WITH A COLUMBUS UC GLIDING SURFACE T2/2+ 10MM. (PART# NN420) WAS IMPLANTED ON AN UNSPECIFIED DATE. ACCORDING TO THE COMPLAINT DESCRIPTION, A REVISION WAS PERFORMED ON (B)(6) 2024. THE POLYETHYLENE COMPONENTS WERE EXCHANGED. ADDITIONAL INFORMATION WAS NOT PROVIDED BUT HAS BEEN REQUESTED. THE ADVERSE EVENT IS FILED UNDER AIC REFERENCE NO. (B)(4).

    Patient problems: Failure of Implant

    MAUDE report 20609951 ↗
  • InjuryAug 27, 2024Device Appears to Trigger Rejection; Device Appears to Trigger Rejection

    IT WAS REPORTED THAT THERE WAS AN ISSUE WITH NN420 - COLUMBUS UC GLIDING SURFACE T2/2+ 10MM. ACCORDING TO THE COMPLAINT DESCRIPTION, THE REVISION SURGERY WAS PERFORMED DUE TO POSTOPERATIVE PAIN. THE POLYETHYLENE COMPONENT WAS REMOVED AND REPLACED WITH ONE OF THE SAME SIZE. THE ADVERSE EVENT IS FILED UNDER AESCULAP AG REFERENCE (B)(4).

    Patient problems: Implant Pain; Liver Damage/Dysfunction

    MAUDE report 20074506 ↗

Other PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER devices

All PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER devices →

Sources and updates

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