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EVOLUTION ETAKN6SLRecalls & reported problems

Microport Orthopedics Inc. · Class 2 · Implant

All models of Evolution (125)

Data updated Oct 16, 2026 from official FDA records · Editorial policy

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

Summary

The FDA's MAUDE database contains 3 adverse event reports that list this exact device (DI M684ETAKN6SL1), received between Nov 7, 2022 and Apr 3, 2024 — classified as 3 injuries.

The most frequently reported specific device problem is “Unexpected Therapeutic Results” (2 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 16, 2026.

Reports received per month

Nov 2023: 0 reportsDec 2023: 0 reportsJan 2024: 0 reportsFeb 2024: 0 reportsMar 2024: 0 reportsApr 2024: 1 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: 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

  • Unexpected Therapeutic Results2
  • Loss of Osseointegration1

Patient problems

  • Fluid Discharge2
  • Inflammation2
  • Pain2
  • Insufficient Information1

Recent adverse event reports

The 3 most recent of 3 reports, in the reporter's own words as published by the FDA.

  • InjuryApr 3, 2024Loss of Osseointegration; Loss of Osseointegration

    ALLEGEDLY, REVISED DUE TO LOOSENING. FOURTH CASE SEEN BY THE DOCTOR WITH ZERO CEMENT BONDED TO THE BASEPLATE.

    Patient problems: Insufficient Information

    MAUDE report 19034366 ↗
  • InjuryNov 7, 2022Unexpected Therapeutic Results

    ALLEGEDLY, REPORTER BECAME AWARE OF SOME NITRX COMPLAINTS FROM A SURGEON IN IDAHO HOWEVER, NO INFORMATION ABOUT THE COMPLAINTS WERE GIVEN TO REPORTER. MICROPORT ORTHOPEDICS VP R&D PROD. DEVELOPMENT STATED THAT HE RECEIVED A PHONE CALL FROM (B)(6)(SALES REP) SAYING THAT A DOC IN IDAHO HAD A FEW PATIENTS COME BACK IN WITH PAINFUL, SWOLLEN KNEES. HE CONTACTED THE REP TO SEE IF HE COULD GET MORE DETAILS. HE ASKED A SERIES OF QUESTIONS THAT HE DID NOT KNOW THE ANSWER. NO PART/LOT NUMBERS ARE GIVEN AND IT HAS NOT BEEN INDICATED HOW MANY EVENTS/PATIENTS HAVE OCCURRED REGARDING THESE ISSUES. ADDITIONAL INFORMATION RECEIVED ON 10/05/2022: A TOTAL OF 8 COMPLAINTS WERE RECEIVED WITH ALL RELEVANT INFORMATION INCLUDED IN EACH INCIDENT FORM. THE 7 REMAINING COMPLAINTS ARE CAPTURED UNDER DIFFERENT MICROPORT INCIDENT GROUP NUMBERS. ALLEGEDLY, RECURRING KNEE EFFUSION. NO INFECTION TO DATE. IT WAS CONFIRMED THAT EACH OF THESE PATIENTS WERE SEEN FOR FOLLOW-UP APPOINTMENTS TO ADDRESS INFLAMMATION IN THEIR KNEES. THE SURGEON CONFIRMED THAT NONE OF THE PATIENTS HAD INFECTIONS AND THAT THEIR KNEES HAD FLUID BUILDUP THAT WAS DRAINED. THE SURGEON HAS NOT BEEN ABLE TO DETERMINE IF THESE EVENTS WERE CAUSED B

    Patient problems: Fluid Discharge; Inflammation; Pain

    MAUDE report 15744754 ↗
  • InjuryNov 7, 2022Unexpected Therapeutic Results

    ALLEGEDLY, REPORTER BECAME AWARE OF SOME NITRX COMPLAINTS FROM A SURGEON IN (B)(6) HOWEVER, NO INFORMATION ABOUT THE COMPLAINTS WERE GIVEN TO REPORTER. MICROPORT ORTHOPEDICS VP R&D PROD. DEVELOPMENT STATED THAT HE RECEIVED A PHONE CALL FROM (B)(6)(SALES REP) SAYING THAT A DOC IN IDAHO HAD A FEW PATIENTS COME BACK IN WITH PAINFUL, SWOLLEN KNEES. HE CONTACTED THE REP TO SEE IF HE COULD GET MORE DETAILS. HE ASKED A SERIES OF QUESTIONS THAT HE DID NOT KNOW THE ANSWER. NO PART/LOT NUMBERS ARE GIVEN AND IT HAS NOT BEEN INDICATED HOW MANY EVENTS/PATIENTS HAVE OCCURRED REGARDING THESE ISSUES. ADDITIONAL INFORMATION RECEIVED ON 10/05/2022 AND 10/13/2022: A TOTAL OF 8 COMPLAINTS WERE RECEIVED WITH ALL RELEVANT INFORMATION INCLUDED IN EACH INCIDENT FORM. THE 7 REMAINING COMPLAINTS ARE CAPTURED UNDER DIFFERENT MICROPORT INCIDENT GROUP NUMBERS. ALLEGEDLY, RECURRING KNEE EFFUSION. NO INFECTION TO DATE. IT WAS CONFIRMED THAT EACH OF THESE PATIENTS WERE SEEN FOR FOLLOW-UP APPOINTMENTS TO ADDRESS INFLAMMATION IN THEIR KNEES. THE SURGEON CONFIRMED THAT NONE OF THE PATIENTS HAD INFECTIONS AND THAT THEIR KNEES HAD FLUID BUILDUP THAT WAS DRAINED. THE SURGEON HAS NOT BEEN ABLE TO DETERMINE IF THESE EVEN

    Patient problems: Fluid Discharge; Inflammation; Pain

    MAUDE report 15743470 ↗

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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