MRS 6485-3-013Recalls & reported problems
Howmedica Osteonics Corp. · Straight Cemented Stem · Class 2 · Implant
All models of MRS (25)
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 07613327048315), received between Jan 12, 2021 and Jul 23, 2024 — classified as 4 injuries.
The most frequently reported specific device problem is “Loss of Osseointegration” (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 18, 2026.
Reports received per month
Most reported problems
Device problems
- Loss of Osseointegration2
- Adverse Event Without Identified Device or Use Problem1
- Corroded1
- Failure to Osseointegrate1
Patient problems
- Inadequate Osseointegration2
- Bone Fracture(s)1
- Pain1
Recent adverse event reports
The 4 most recent of 4 reports, in the reporter's own words as published by the FDA.
InjuryJul 23, 2024Corroded; Corroded
IT WAS REPORTED THE PATIENT'S LEFT KNEE WAS REVISED DUE TO COMPLAINT OF PAIN. ORIGINAL PLAN WAS TO RESURFACE THE PATIENT'S NATIVE PATELLA. THOUGH PATIENT WAS NEGATIVE FOR INFECTION, SURGEON DECIDED TO REVISE THE DISTAL FEMORAL COMPONENT, STEM AND EXTENDER OUT OF AN ABUNDANCE OF CAUTION. WHEN THE DEVICES WERE DISSOCIATED, CORROSION WAS NOTED AT THE JUNCTION OF THE DISTAL FEMUR AND EXTENSION AND THE JUNCTION OF THE EXTENSION AND STEM. REP CAN PROVIDE PICTURES AND CONFIRMED THAT NO FURTHER INFORMATION WILL BE RELEASED BY THE HOSPITAL OR SURGEON.
Patient problems: Pain
MAUDE report 19806104 ↗InjuryJul 31, 2023Loss of Osseointegration; Loss of Osseointegration
LEFT DISTAL FEMUR 1ST STAGE REVISION SURGERY ABOVE KNEE CAST DUE TO ASEPTIC LOOSENING OF THE FEMUR STEM. WIDE FEMUR MEDULLARY CANAL MORE THAT 17MM- NEED CUSTOM MADE STEM.
Patient problems: Inadequate Osseointegration
MAUDE report 17422685 ↗InjuryJul 17, 2023Failure to Osseointegrate; Loss of Osseointegration; Failure to Osseointegrate; Loss of Osseointegration
A PATIENT-SPECIFIC IMPLANT PRESCRIPTION WAS RECEIVED FOR THE PATIENT'S LEFT GMRS DISTAL FEMUR. NOTED ON THE FORM: "LOOSENING STEM." AS AN FIRST STAGE OF REVISION, CEMENT SPACER FIXED. UPDATE: PATIENT WAS UNDERWENT STAGE 1 OF A LEFT DISTAL FEMUR REVISION ON (B)(6) 2023 DUE TO ASEPTIC LOOSENING OF THE FEMUR STEM. THE FEMORAL COMPONENTS WERE EXPLANTED AND THE PATIENT WAS CLOSED BACK UP WITH A CEMENT SPACER AND ABOVE THE KNEE CAST APPLIED AS THE SURGEON REQUIRES A CUSTOM DEVICE TO ACCOMMODATE THE PATIENT'S WIDE FEMUR MEDULLARY CANAL OF MORE THAT 17MM. THE SECOND STAGE OF THIS REVISION WAS REPORTED TO BE PLANNED FOR (B)(6) 2023 DURING WHICH THE CUSTOM FEMORAL IMPLANT WOULD BE IMPLANTED.
Patient problems: Inadequate Osseointegration
MAUDE report 17339701 ↗InjuryJan 12, 2021Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
AS REPORTED: "PT. PREVIOUSLY RECEIVED A GMRS DISTAL-FEMUR REPLACEMENT ((B)(6) 2018) AND PRESENTED THIS WEEK WITH A PERIPROSTHETIC FRACTURE PROXIMAL TO IM STEM. THE DISTAL FEMUR WAS REVISED TO A TOTAL-FEMUR CONSTRUCT. ALL OTHER DISTAL-FEMUR COMPONENTS IMPLANTED ON (B)(6) 2018 WERE RETAINED." SPOKE TO REP, WHO PROVIDED THE PRIMARY AND REVISION USAGE SHEETS. REP CONFIRMED THAT NO FURTHER INFORMATION WILL BE RELEASED BY THE HOSPITAL OR SURGEON.
Patient problems: Bone Fracture(s)
MAUDE report 11153269 ↗
Other PROSTHESIS, KNEE, FEMOROTIBIAL, CONSTRAINED, CEMENTED, METAL/POLYMER devices
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- ELEOS™ THSMWRS01MOnkos Surgical, Inc. · PROSTHESIS, KNEE, FEMOROTIBIAL, CONSTRAINED, CEMENTED, METAL/POLYMER190 reports
- "UNITED" USTAR II Hip System 1115-1413United Orthopedic Corp. · Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/Polymer3 recalls3 reports
- "UNITED" USTAR II Hip System 1115-1213United Orthopedic Corp. · Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/Polymer3 recalls0 reports
- "UNITED" USTAR II Hip System 1115-1417United Orthopedic Corp. · Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/Polymer3 recalls0 reports
- "UNITED" USTAR II Hip System 1115-1217United Orthopedic Corp. · Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/Polymer3 recalls0 reports
- Endo-Model Modular Knee Prosthesis System 15-3816/12WALDEMAR LINK GmbH & Co. KG · Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/Polymer2 recalls6 reports
- Endo-Model Modular Knee Prosthesis System 15-3816/11WALDEMAR LINK GmbH & Co. KG · Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/Polymer2 recalls6 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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