GMK Sphere Total Knee System 02.12.E0512FLRecalls & reported problems
Medacta International SA · Tibial Insert Fixed SPHERE FLEX #5/12 mm L E-Cross · 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
- 11
- Deaths reported
- 0
- Injuries reported
- 11
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 11 adverse event reports that list this exact device (DI 07630971262072), received between Jan 17, 2024 and Apr 30, 2026 — classified as 11 injuries.
The most frequently reported specific device problem is “Device Appears to Trigger Rejection” (9 reports).
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
- Device Appears to Trigger Rejection9
- Adverse Event Without Identified Device or Use Problem2
Patient problems
- Medical device site infection7
- Joint Laxity2
- Unspecified Infection2
- Appropriate Clinical Signs, Symptoms and Conditions Term/Code Not Available1
- Implant Pain1
Recent adverse event reports
The 11 most recent of 11 reports, in the reporter's own words as published by the FDA.
InjuryApr 30, 2026Adverse Event Without Identified Device or Use Problem
THE PATIENT HAD KNEE INSTABILITY AND THE CAUSE IS UNKNOWN. THERE WAS NO INDICATION OF TRAUMA AS A CONTRIBUTING FACTOR. AT ABOUT 2 YEARS AND 2 MONTHS POST PRIMARY THE SURGEON REVISED THE 12MM INSERT TO A 14MM INSERT FOR INCREASED STABILITY. THE SURGERY WAS COMPLETED SUCCESSFULLY.
Patient problems: Joint Laxity
MAUDE report 25039776 ↗InjuryMar 16, 2026Adverse Event Without Identified Device or Use Problem
ABOUT 1 YEAR AND 4 MONTHS AFTER THE PRIMARY SURGERY, THE PATIENT CAME IN PRESENTING INSTABILITY AS A RESULT OF LOOSE LIGAMENTS AND THE CAUSE IS UNKNOWN. THERE ARE NO INDICATIONS OF TRAUAMA. THE SURGEON REVISED THE 12MM INSERT TO A 17MM INSERT TO ADDRESS THE INSTABILITY. THE SURGERY WAS COMPLETED SUCCESSFULLY.
Patient problems: Implant Pain; Joint Laxity
MAUDE report 24603556 ↗InjuryDec 9, 2025Device Appears to Trigger Rejection; Device Appears to Trigger Rejection
THE PATIENT HAD AN INFECTION AND THE PATHOGEN IS UNKNOWN. AT ABOUT 1 MONTH POST-PRIMARY THE SURGEON PERFORMED A WASHOUT AND REVISED THE LINER. THE SURGERY WAS COMPLETED SUCCESSFULLY.
Patient problems: Medical device site infection
MAUDE report 23758561 ↗InjuryNov 10, 2025Device Appears to Trigger Rejection; Device Appears to Trigger Rejection
AT 2 MONTHS FROM THE PRIMARY, THE PATIENT CAME IN DUE TO AN INFECTION AND THE PATHOGEN IS UNKNOWN. THE SURGEON PERFORMED A WASHOUT AND POLY SWAP. THE SURGERY WAS COMPLETED SUCCESSFULLY.
Patient problems: Medical device site infection
MAUDE report 23510673 ↗InjuryNov 5, 2025Device Appears to Trigger Rejection; Device Appears to Trigger Rejection
AT ABOUT 3 MONTHS FROM THE PRIMARY, THE PATIENT CAME IN DUE TO AN INFECTION AND THE PATHOGEN IS UNKNOWN. THE SURGEON PERFORMED A WASHOUT AND REVISED THE POLY. THE SURGERY WAS COMPLETED SUCCESSFULLY.
Patient problems: Medical device site infection
MAUDE report 23477188 ↗InjuryOct 16, 2025Device Appears to Trigger Rejection; Device Appears to Trigger Rejection
AFTER 1 YEAR FROM THE PRIMARY THE PATIENT CAME IN DUE TO AN INFECTION AND THE PATHOGEN IS UNKNOWN. THE SURGEON REVISED TO A TKA SYSTEM (FEMUR, INSERT, TRAY) TO UTILIZE SENSITIN PRODUCTS. THE SURGERY WAS COMPLETED SUCCESSFULLY.
Patient problems: Appropriate Clinical Signs, Symptoms and Conditions Term/Code Not Available; Medical device site infection
MAUDE report 23310302 ↗InjuryJul 30, 2025Device Appears to Trigger Rejection; Device Appears to Trigger Rejection
REVISION DUE TO AN INFECTION AND THE PATHOGEN IS UNKNOWN. AT 1 MONTH FROM PRIMARY THE SURGEON PERFORMED A WASHOUT AND REVISED THE LINER. THE SURGERY WAS COMPLETED SUCCESSFULLY.
Patient problems: Medical device site infection
MAUDE report 22662926 ↗InjuryMay 21, 2025Device Appears to Trigger Rejection; Device Appears to Trigger Rejection
AT 1 MONTH FROM THE PRIMARY, THE PATIENT CAME IN DUE TO SIGNS OF AN INFECTION AND THE PATHOGEN IS UNKNOWN. THE SURGEON PERFORMED A WASHOUT AND REVISED THE LINER. THE SURGERY WAS COMPLETED SUCCESSFULLY.
Patient problems: Medical device site infection
MAUDE report 22061137 ↗InjuryMay 8, 2025Device Appears to Trigger Rejection; Device Appears to Trigger Rejection
THE PATIENT CAME IN WITH SIGNS OF AN INFECTION, AND THE PATHOGEN IS UNKNOWN. AFTER ABOUT FIVE AND A HALF MONTHS FROM THE PRIMARY SURGERY, THE SURGEON PERFORMED A WASHOUT AND REVISED THE LINER. THE SURGERY WAS COMPLETED SUCCESSFULLY.
Patient problems: Medical device site infection
MAUDE report 21985050 ↗InjuryOct 24, 2024Device Appears to Trigger Rejection; Device Appears to Trigger Rejection
AT ABOUT 1 YEAR AND 3 MONTHS AFTER PRIMARY, THE PATIENT CAME IN DUE TO SIGNS OF AN INFECTION AND THE PATHOGEN IS UNKNOWN. THE SURGEON PERFORMED A WASHOUT AND REVISED THE LINER. THE SURGERY WAS COMPLETED SUCCESSFULLY.
Patient problems: Unspecified Infection
MAUDE report 20520204 ↗InjuryJan 17, 2024Device Appears to Trigger Rejection; Device Appears to Trigger Rejection
AT 10 MONTHS FROM THE PRIMARY, THE PATIENT CAME IN DUE TO SIGNS OF AN INFECTION AND THE PATHOGEN IS UNKNOWN. THE SURGEON PERFORMED A WASHOUT AND REVISED THE LINER. THE SURGERY WAS COMPLETED SUCCESSFULLY.
Patient problems: Unspecified Infection
MAUDE report 18525664 ↗
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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