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TRIDENT II 709-04-56FRecalls & reported problems

Howmedica Osteonics Corp. · Trident II Tritanium Multihole Acetabular Shell 56F · Class 2 · Implant

All models of TRIDENT II (42)

Data updated Oct 18, 2026 from official FDA records · Editorial policy

Adverse event reports
6
Deaths reported
0
Injuries reported
6
Recalls naming it
0

Summary

The FDA's MAUDE database contains 6 adverse event reports that list this exact device (DI 07613327343977), received between Aug 12, 2021 and Apr 15, 2025 — classified as 6 injuries.

The most frequently reported specific device problem is “Loss of Osseointegration” (4 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

Nov 2023: 0 reportsDec 2023: 0 reportsJan 2024: 0 reportsFeb 2024: 0 reportsMar 2024: 0 reportsApr 2024: 0 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: 1 reportsMar 2025: 0 reportsApr 2025: 1 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

  • Loss of Osseointegration4
  • Device Dislodged or Dislocated2
  • Osseointegration Problem2
  • Detachment of Device or Device Component1
  • Loosening of Implant Not Related to Bone-Ingrowth1
  • Malposition of Device1

Patient problems

  • Ambulation or Postural Difficulties4
  • Inadequate Osseointegration3
  • Pain3
  • Joint Dislocation1
  • Swelling/ Edema1

Recent adverse event reports

The 6 most recent of 6 reports, in the reporter's own words as published by the FDA.

  • InjuryApr 15, 2025Loss of Osseointegration; Device Dislodged or Dislocated; Loss of Osseointegration; Device Dislodged or Dislocated

    DISLOCATION OF THE CUP AND SCREW BREAKAGE OCCURRED. REVISION SURGERY IS PLANNED ON (B)(6) 2025.

    Patient problems: Inadequate Osseointegration; Joint Dislocation

    MAUDE report 21838662 ↗
  • InjuryFeb 25, 2025Detachment of Device or Device Component; Detachment of Device or Device Component

    REVISED A RIGHT HIP LINER AND HEAD DUE TO THE MDM METAL LINER DISENGAGING FROM THE SHELL AND OVERALL INSTABILITY. HE TIGHTENED ONE OF THE ACETABULAR SCREWS A COUPLE OF TURNS AND RE-IMPLANTED A NEW MDM LINER AND WENT FROM A -4MM HEAD TO A +12MM HEAD.

    Patient problems: Ambulation or Postural Difficulties

    MAUDE report 21464480 ↗
  • InjuryOct 9, 2023Loss of Osseointegration; Osseointegration Problem; Loss of Osseointegration; Osseointegration Problem

    THE FOLLOWING WAS REPORTED: "THE SCREW WENT PAST THE SCREW HOLE OF THE SHELL.". UPDATE: ON (B)(6) 2023 OLD HIP PROTHESIS CUP WAS TAKEN OUT AND WAS REPLACED WITH THE NEW CUP, GOOD FIT. SCREWS WAS PLACED WITH GOOD ATTACHMENT. THE PATIENTS REHABILITATION AND RECOVERY IS DELAYED AS THE CUP HAS FAILED AND HE HAS TO UNDERGO A NEW SURGERY. IN THE END OF JULY PATIENT UNDERWENT AN X-RAY DUE TO INCREASED PAIN IN THE HIP AND PATIENT CAN NO LONGER WALK OR MOVE AS USUAL BUT NO SUSPECT OF INFECTION OR TRAUMA. X-RAY SHOWED THE CUP HAS LOOSENED, LUXATED AND A FEW FRACTURED SCREWS. REVISION SURGERY HAS BEEN PERFORMED ON 14TH AUGUST. UPDATE AS PER MED REVIEW: "I CAN CONFIRM THE DISLOCATION, DISPLACEMENT OF THE CUP AND FRACTURE OF THE SCREWS SINCE I WAS ABLE TO SEE A CT IMAGE WITH THESE FINDINGS. I CAN CONFIRM THE REVISION SINCE I WAS ABLE TO REVIEW THE OPERATION REPORT.

    Patient problems: Ambulation or Postural Difficulties; Inadequate Osseointegration; Pain

    MAUDE report 17893047 ↗
  • InjurySep 5, 2022Malposition of Device; Device Dislodged or Dislocated; Malposition of Device; Device Dislodged or Dislocated

    IT WAS REPORTED THAT AFTER A REVISION OF UNKNOWN COMPONENTS IN THE PATIENT'S RIGHT HIP, THE SCREW WAS FOUND TO HAVE PASSED THROUGH THE SHELL. SURGEON PLANS TO REVISE THE PATIENT (B)(6) 2022 AS THE SHELL SPUN OUT. SURGEON IS AN EXPERIENCED (OVER 30 YEARS) IN HIP CASES. REP IS NOT AWARE IF THERE WAS ANYTHING UNUSUAL ABOUT THE IMPLANTATION OF THE SCREW (ANGLE, ETC.)

    Patient problems: Ambulation or Postural Difficulties

    MAUDE report 15354379 ↗
  • InjuryApr 20, 2022Loss of Osseointegration; Osseointegration Problem; Loss of Osseointegration; Osseointegration Problem

    AS REPORTED: "PATIENT WAS ENROLLED IN TRIDENT II REVISION OUTCOMES STUDY. PATIENT STATES THERE IS A LOT OF MUSCLE PAIN AROUND THE HIP AREA, USING A CANE TO WALK BUT IS LIMITED BY ANKLE PAIN AND SWELLING." CLINIC NOTES INDICATE: "LOOSENING OF HIP JOINT PROSTHESIS. MECHANICAL LOOSENING OF INTERNAL LEFT HIP PROSTHETIC JOINT. WEAR OF ARTICULAR BEARING SURFACE OF INTERNAL PROSTHETIC LEFT HIP JOINT".

    Patient problems: Ambulation or Postural Difficulties; Pain; Swelling/ Edema

    MAUDE report 14160659 ↗
  • InjuryAug 12, 2021Loss of Osseointegration; Loosening of Implant Not Related to Bone-Ingrowth; Loss of Osseointegration; Loosening of Implant Not Related to Bone-Ingrowth

    AS REPORTED: "REVISED HIP FOR LOOSE CUP. PATIENT CAME WITH LOOSE CUP AND PAIN." PATIENT'S LEFT HIP WAS REVISED. A SHELL, MDM METAL LINER, ADM/ MDM POLY INSERT, AND 2 SCREWS WERE REVISED. REP PROVIDED AN OPERATIVE REPORT FROM THE PRIOR IMPLANTATION AND AN X-RAY. UPDATE 20/JULY/2021 WG: SPOKE TO REP. THERE ARE NO ALLEGATIONS AGAINST THE REVISED MDM METAL LINER OR ADM/ MDM POLY INSERT. THE SHELL HAD SHIFTED THROUGH THE PATIENT'S PELVIS. NO FURTHER INFORMATION WILL BE RELEASED BY THE HOSPITAL OR SURGEON.

    Patient problems: Inadequate Osseointegration; Pain

    MAUDE report 12311969 ↗

Other Prosthesis, hip, semi-constrained, uncemented, metal/polymer, non-porous, calicum-phosphate devices

All Prosthesis, hip, semi-constrained, uncemented, metal/polymer, non-porous, calicum-phosphate devices →

Sources and updates

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