Skip to content

GMK Sphere Total Knee System 02.12.0314FRRecalls & reported problems

Medacta International SA · Tibial Insert Fixed SPHERE Flex #3/14 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
4
Recalls naming it
0

Summary

The FDA's MAUDE database contains 4 adverse event reports that list this exact device (DI 07630030826429), received between May 25, 2018 and Jun 25, 2024 — classified as 4 injuries.

The most frequently reported specific device problem is “Device Dislodged or Dislocated” (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: 1 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: 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

  • Appropriate Device Problem Term/Code Not Available1
  • Device Dislodged or Dislocated1
  • Insufficient Device Problem Information1
  • Loose or Intermittent Connection1
  • Unstable1

Patient problems

  • Joint Laxity2
  • Failure of Implant1
  • No Code Available1
  • Pain1

Recent adverse event reports

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

  • InjuryJun 25, 2024Insufficient Device Problem Information; Insufficient Device Problem Information

    AT ABOUT 11 MONTHS AFTER PRIMARY, THE PATIENT CAME IN REPORTING INSTABILITY AND THE CAUSE IS UNKNOWN. THE SURGEON REVISED THE LINER (14MM) WITH A THICKER ONE (17MM) AND THE SURGERY WAS COMPLETED SUCCESSFULLY.

    Patient problems: Joint Laxity

    MAUDE report 19603809 ↗
  • InjuryJun 21, 2022Loose or Intermittent Connection; Appropriate Device Problem Term/Code Not Available

    AT 3 YEARS AND 9 MONTHS AFTER THE PRIMARY, THE PATIENT CAME IN REPORTING INSTABILITY DUE TO LAXITY AND THE CAUSE OF THE LAXITY IS UNKNOWN. THE SURGEON REVISED THE INSERT (14MM TO 20MM) AND THE SURGERY WAS COMPLETED SUCCESSFULLY.

    Patient problems: Joint Laxity

    MAUDE report 14751542 ↗
  • InjuryNov 6, 2018Device Dislodged or Dislocated

    THE PATIENT CAME IN COMPLAINING OF PAIN 2 YEARS AND 2 MONTHS AFTER PRIMARY. THE SURGEON DETERMINED THAT THE POLY SCREW HAD BACKED OUT. THE SURGEON REMOVED THE SCREW THROUGH ARTHROSCOPY. THE LINER WAS NOT EXCHANGED. THE SURGERY WAS COMPLETED SUCCESSFULLY. THE TORQUE HANDLE SCREWDRIVER WAS NOT USED IN PRIMARY.

    Patient problems: Failure of Implant; Pain

    MAUDE report 8041538 ↗
  • InjuryMay 25, 2018Unstable

    TEN DAYS AFTER PRIMARY CASE (SEE MDR 2018-00336) THE PATIENT WAS REVISED BECAUSE THE FEMUR WAS TOO IN VALGUS AND THE PATIENT KNEE WAS UNSTABLE. ONLY POLY SWAP PERFORMED SUCCESSFULLY.

    Patient problems: No Code Available

    MAUDE report 7544748 ↗

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

How reports and recalls are matched · Editorial policy · Report an error on this page