Evolution EIS4S12LRecalls & reported problems
Microport Orthopedics Inc. · EVOLUTION® MP™ CS INSERT SIZE 4 STANDARD 12MM LEFT · Class 2 · Implant
All models of Evolution (125)
Data updated Oct 16, 2026 from official FDA records · Editorial policy
- Adverse event reports
- 5
- Deaths reported
- 0
- Injuries reported
- 4
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 5 adverse event reports that list this exact device (DI M684EIS4S12L1), received between Dec 16, 2019 and Oct 26, 2023 — classified as 4 injuries, 1 malfunction.
The most frequently reported specific device problem is “Insufficient Device Problem Information” (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
Most reported problems
Device problems
- Insufficient Device Problem Information2
- Unstable2
- Adverse Event Without Identified Device or Use Problem1
- Malposition of Device1
- No Apparent Adverse Event1
Patient problems
- Appropriate Clinical Signs, Symptoms and Conditions Term/Code Not Available1
- Failure of Implant1
- No Information1
- Pain1
- Unspecified Infection1
Recent adverse event reports
The 5 most recent of 5 reports, in the reporter's own words as published by the FDA.
InjuryOct 26, 2023Insufficient Device Problem Information; Insufficient Device Problem Information
ALLEGEDLY, PATIENT UNDERWENT R TKR ON (B)(6) 2016 AND L TKR, DATE UNKNOWN, WITH BOTH PATELLAE PRESERVED. BOTH KNEES WERE REVISED ON (B)(6) 2023 DUE TO PATELLA PAIN. PATELLAE ADDED AND INSERTS WERE REPLACED EVEN THOUGH THE IN-SITU ONES WERE IN PRISTINE CONDITION. LEFT KNEE. SURGICAL SPECIALTIES REF (B)(4).
Patient problems: Pain
MAUDE report 18013499 ↗InjuryOct 18, 2022Malposition of Device; Malposition of Device
ALLEGEDLY, PATIENT WAS REVISED DUE TO MALALIGNMENT REVISION NJR NUMBER: (B)(4). SIDE: L. PRIMARY ASA: P3 - INCAPACITATING SYSTEMIC DISEASE. PRODUCT NO REVISED: PRODUCT ID: EFSRN3PL, LOT: 1785763, QTY: 1.
Patient problems: Failure of Implant
MAUDE report 15625963 ↗InjurySep 16, 2021Unstable; Adverse Event Without Identified Device or Use Problem; No Apparent Adverse Event; Unstable; Adverse Event Without Identified Device or Use Problem; No Apparent Adverse Event
ALLEGEDLY, COMPONENT EXCHANGED DUE TO LIGAMENT LOOSENING. THE COMPONENT EIS4S12L , LOT 1842498 WAS REVISED. REPLACEMENT OF INSERTS. (B)(4).
Patient problems: Appropriate Clinical Signs, Symptoms and Conditions Term/Code Not Available
MAUDE report 12482813 ↗MalfunctionFeb 24, 2020Unstable; Unstable
ALLEGEDLY, PATIENT WAS REVISED ON (B)(6) 2019 DUE TO INSTABILITY. SZ 4 12MM REPLACED WITH SZ 4 17MM INSERT. SURGEON ERROR RESULTING IN INSTABILITY. AUSTRALIA C842.
Patient problems: No Information
MAUDE report 9747012 ↗InjuryDec 16, 2019Insufficient Device Problem Information; Insufficient Device Problem Information
ALLEGEDLY , PATIENT WAS REVISED DUE TO INFECTION. WASHOUT AND POLY EXCHANGE. (B)(6).
Patient problems: Unspecified Infection
MAUDE report 9473420 ↗
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 16, 2026. Data downloaded through openFDA, which notes it is not validated for clinical or regulatory use.
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