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
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
- ATTUNE 1506-00-005Depuy (Ireland) · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER589 reports
- ATTUNE 1506-00-004Depuy (Ireland) · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER580 reports
- JOURNEY 74012812Smith & Nephew, Inc. · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER502 reports
- JOURNEY 74011856Smith & Nephew, Inc. · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER438 reports
- PERSONA™ 42-5099-094-00Zimmer, Inc. · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER406 reports
- JOURNEY 74011857Smith & Nephew, Inc. · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER388 reports
- ATTUNE 1506-00-007Depuy (Ireland) · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER288 reports
- ATTUNE 1506-00-003Depuy (Ireland) · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER271 reports
Sources and updates
- Device record: FDA GUDID, file dated Oct 13, 2026 · View this device in AccessGUDID ↗
- Adverse event reports: FDA MAUDE, file dated Oct 14, 2026 · each report above links to its original FDA record
- Recalls: FDA Medical Device Recalls, file dated Oct 16, 2026
- Page last rebuilt: Oct 18, 2026. Data downloaded through openFDA, which notes it is not validated for clinical or regulatory use.
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