MRS 6485-3-011Recalls & 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
- 9
- Deaths reported
- 0
- Injuries reported
- 9
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 9 adverse event reports that list this exact device (DI 07613327048322), received between Jul 19, 2018 and Dec 11, 2025 — classified as 9 injuries.
The most frequently reported specific device problem is “Fracture” (5 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
- Fracture5
- Break1
- Device Dislodged or Dislocated1
- Loss of Osseointegration1
- Osseointegration Problem1
Patient problems
- Ambulation or Postural Difficulties3
- Inadequate Osseointegration2
- Injury2
- Insufficient Information2
- Failure of Implant1
- Hip Fracture1
- Joint Dislocation1
Recent adverse event reports
The 9 most recent of 9 reports, in the reporter's own words as published by the FDA.
InjuryDec 11, 2025Device Dislodged or Dislocated; Device Dislodged or Dislocated
THE PATIENT UNDERWENT LEFT HIP REVISION SURGERY. HALF A MONTH AGO, THE PATIENT SUDDENLY EXPERIENCED LEFT HIP PAIN WITH LIMITED MOBILITY WHILE USING THE TOILET AT HOME. ON (B)(6) 2025, DURING A FOLLOW-UP EXAMINATION AT THE LOCAL HOSPITAL, AN X-RAY WAS PERFORMED, DIAGNOSING "LEFT PROSTHETIC JOINT DISLOCATION." THE PATIENT WAS THEN ADMITTED TO OUR HOSPITAL FOR CLOSED REDUCTION UNDER ANESTHESIA, WITH GOOD POSTOPERATIVE RECOVERY.
Patient problems: Joint Dislocation
MAUDE report 23776174 ↗InjuryFeb 1, 2023Loss of Osseointegration; Loss of Osseointegration
A PATIENT SPECIFIC IMPLANT REQUEST WAS RECEIVED FOR THE PATIENT'S RIGHT DISTAL FEMUR. NOTED ON THE FORM: "...S/P RESECTION AND RECONSTRUCTION RIGHT DISTAL FEMUR WITH STRYKER (B)(4) AND NOW SECOND EPISODE OF ASEPTIC LOOSENING... RETAINING 8MM LARGE ALL0POLY TIBIA." PROPOSED DATE OF SURGERY IS (B)(6) 2023.
Patient problems: Inadequate Osseointegration
MAUDE report 16276120 ↗InjurySep 26, 2022Fracture; Fracture
GMRS DISTAL FEMUR MRS 11 X 127MM STEM BREAK.
Patient problems: Ambulation or Postural Difficulties
MAUDE report 15484836 ↗InjuryJul 5, 2022Fracture; Fracture
IT WAS REPORTED BY A SURGEON THAT THE PATIENT HAD A BROKEN IMPLANT. THE PRIMARY SURGERY WAS COMPLETED ON (B)(6) 2007 AND THE FIRST REVISION SURGERY WAS COMPLETED ON (B)(6) 2017. THE BROKEN IMPLANT WAS FOUND ONE MONTH PRIOR TO THE SECOND REVISION SURGERY. THE SECOND REVISION SURGERY WAS COMPLETED ON (B)(6) 2022. THIS REPORT IS FOR THE SECOND REVISION.
Patient problems: Ambulation or Postural Difficulties; Insufficient Information
MAUDE report 14918073 ↗InjuryAug 24, 2021Osseointegration Problem; Osseointegration Problem
AS REPORTED: "PT. PRESENTED WITH A LOOSE CEMENTED STEM OF A PREVIOUS [RIGHT] GMRS DISTAL-FEMUR REPLACEMENT ON (B)(6) 2020. DR REVISED THE FEMORAL COMPONENTS TO THE IMPLANTS ON THE SHEET BELOW." SPOKE TO REP: THERE ARE NO ALLEGATIONS AGAINST ANY OTHER DEVICES. NO FURTHER INFORMATION WILL BE RELEASED BY THE HOSPITAL OR SURGEON.
Patient problems: Inadequate Osseointegration
MAUDE report 12363356 ↗InjuryOct 7, 2020Fracture; Fracture
THE FOLLOWING WAS REPORTED: FRACTURE OF GMRS STEM.
Patient problems: Ambulation or Postural Difficulties; Hip Fracture
MAUDE report 10640741 ↗InjuryOct 5, 2020Fracture; Fracture
IT HAS BEEN REPORTED "BROKEN STEM IN SITU".
Patient problems: Failure of Implant; Insufficient Information
MAUDE report 10626024 ↗InjurySep 18, 2019Fracture; Fracture
REVISION OF GMRS DISTAL FEMORAL REPLACEMENT DUE TO STEM FRACTURE. PATIENT SUFFERED ANAPHYLACTIC RESPONSE TO CEMENT CONTAINING GENTAMICIN AFTER IMPLANTATION OF ORIGINAL DISTAL FEMORAL REPLACEMENT (NON-STRYKER CEMENT).
Patient problems: Injury
MAUDE report 9082960 ↗InjuryJul 19, 2018Break; Break
AS REPORTED: "THE ORIGINAL 11 X 127 FEMORAL STEM BROKE. DURING THE REVISION WE EXPLANTED THE BROKEN STEM AND REPLACED IT".
Patient problems: Injury
MAUDE report 7704129 ↗
Other PROSTHESIS, KNEE, FEMOROTIBIAL, CONSTRAINED, CEMENTED, METAL/POLYMER devices
- ELEOS™ 25001208EOnkos Surgical, Inc. · PROSTHESIS, KNEE, FEMOROTIBIAL, CONSTRAINED, CEMENTED, METAL/POLYMER3 deaths193 reports
- 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.
How reports and recalls are matched · Editorial policy · Report an error on this page