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GMK Sphere Total Knee System 02.12.0317FRRecalls & reported problems

Medacta International SA · Tibial Insert Fixed SPHERE Flex #3/17 mm R · Class 2 · Implant

All models of GMK Sphere Total Knee System (209)

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

Adverse event reports
4
Deaths reported
0
Injuries reported
3
Recalls naming it
0

Summary

The FDA's MAUDE database contains 4 adverse event reports that list this exact device (DI 07630030826467), received between Jul 31, 2018 and Oct 30, 2025 — classified as 3 injuries, 1 malfunction.

The most frequently reported specific device problem is “Loose or Intermittent Connection” (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: 0 reportsSep 2024: 0 reportsOct 2024: 0 reportsNov 2024: 0 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: 1 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

  • Adverse Event Without Identified Device or Use Problem1
  • Appropriate Device Problem Term/Code Not Available1
  • Loose or Intermittent Connection1
  • Loosening of Implant Not Related to Bone-Ingrowth1
  • Use of Device Problem1

Patient problems

  • Joint Disorder2
  • Joint Laxity1
  • No Clinical Signs, Symptoms or Conditions1

Recent adverse event reports

The 4 most recent of 4 reports, in the reporter's own words as published by the FDA.

  • MalfunctionOct 30, 2025Use of Device Problem; Use of Device Problem

    TIBIAL INSERT FLEX (STANDARD PE) COULD NOT BE CLIPPED INTO THE TIBIAL TRAY. AS NO BACK-UP WAS AVAILABLE (ONLY 14 AND 20 MM WAS AVAILABLE), THE SURGEON USED A CLEAN BLADE TO SLIGHTLY TRIM OFF MATERIAL FROM THE INSERT WHERE IMPINGEMENT WAS PERCEIVED AND WAS ABLE TO PLACE THE INSERT.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 23425360 ↗
  • InjuryApr 13, 2021Loose or Intermittent Connection; Appropriate Device Problem Term/Code Not Available

    THE PATIENT CAME IN 3 YEARS 3 MONTHS AFTER THE PRIMARY REPORTING INSTABILITY DUE TO LAXITY. THE CAUSE OF THE LAXITY IS UNKNOWN. THE SURGEON REVISED THE POLY WITH A HIGHER ONE AND THE SURGERY WAS COMPLETED SUCCESSFULLY.

    Patient problems: Joint Laxity

    MAUDE report 11654476 ↗
  • InjuryJul 28, 2020Loosening of Implant Not Related to Bone-Ingrowth

    THE PATIENT CAME IN REPORTING INSTABILITY DUE TO LAXITY. THE SURGEON REVISED THE MEDACTA GMK-SPHERE TIBIAL INSERT - FLEX S3R - 17 MM WITH A MEDACTA GMK-SPHERE TIBIAL INSERT - FLEX S3R - 20 MM 2 YEARS AND 2 MONTHS AFTER PRIMARY. THE SURGERY WAS COMPLETED SUCCESSFULLY.

    Patient problems: Joint Disorder

    MAUDE report 10331235 ↗
  • InjuryJul 31, 2018Adverse Event Without Identified Device or Use Problem

    THE PATIENT CAME IN COMPLAINING OF PAIN. THE SURGEON DETERMINED THAT THE PATELLA IS SUBLUXING. THE SURGEON REVISED THE INSERT AND RELEASED THE PATELLA. THE SURGERY WAS COMPLETED SUCCESSFULLY.

    Patient problems: Joint Disorder

    MAUDE report 7734720 ↗

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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