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CONSERVE® 38AM4000Recalls & reported problems

Microport Orthopedics Inc. · CONSERVE® A-CLASS® BFH® HEAD MEDIUM NECK 40MM · Class 3 · Implant

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 M68438AM40001), received between Jul 2, 2019 and Dec 10, 2025 — classified as 6 injuries.

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. How this data works · Data updated Oct 13, 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: 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: 1 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

  • Insufficient Device Problem Information2
  • Material Disintegration2
  • Appropriate Device Problem Term/Code Not Available1
  • Corroded1

Patient problems

  • Metal Related Pathology3
  • Loss of Range of Motion2
  • Pain2
  • Reaction2
  • Insufficient Information1
  • No Clinical Signs, Symptoms or Conditions1

Recent adverse event reports

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

  • InjuryDec 10, 2025Insufficient Device Problem Information; Insufficient Device Problem Information

    ALLEGEDLY, PATIENT HAD A MOD Z STEM & NECK, DYNASTY METAL ON METAL ACETABULUM. SURGEON WANTED TO REMOVE THE METAL ON METAL (MOM) INCLUDING THE STEM. HE RETAINED THE DYNASTY SHELL. INSERTED A DUAL MOBILITY LINER AND INSERT. HE REPLACED THE STEM WITH A ZIMMER REVISION STEM AND 28MM CERAMIC HEAD.

    Patient problems: Metal Related Pathology; No Clinical Signs, Symptoms or Conditions

    MAUDE report 23768615 ↗
  • InjuryAug 4, 2023Insufficient Device Problem Information; Insufficient Device Problem Information

    ALLEGEDLY, THE PATIENT HAD A WRIGHT MEDICAL HIP IMPLANTED ON (B)(6) 2011. SHE STATED THAT SHE HAD GONE BACK TO THE DOCTOR OVER THE YEARS AND WAS TOLD SHE HAD NO ISSUES AND RECENTLY FOUND OUT SHE HAD METALLOSIS. ADDITIONAL INFORMATION RECEIVED ON 2023-07-11. THE PATIENT IS ALLEGING PAIN, CAN'T WALK, ELEVATED BLOOD COBALT THAT IS AFFECTING HER OTHER ORGANS. AS OF THIS DATE SHE HAS NOT BEEN REVISED.

    Patient problems: Loss of Range of Motion; Metal Related Pathology; Pain

    MAUDE report 17461224 ↗
  • InjuryJun 2, 2023Corroded; Corroded

    ALLEGEDLY, COMPONENTS REVISED DUE TO CORROSION.

    Patient problems: Insufficient Information

    MAUDE report 17049605 ↗
  • InjuryAug 31, 2020Material Disintegration; Material Disintegration

    ALLEGEDLY, PATIENT UNDERWENT A LEFT TOTAL HIP REPLACEMENT AND RECEIVED A METAL ON METAL HIP SYSTEM IMPLANTS. PATIENT SUFFERED PAIN, DEBILITATING LACK OF MOBILITY, AND HIGH LEVELS OF TOXIC METAL LEVELS. ADDITIONAL INFORMATION RECEIVED ON 08/11/2021 FROM LEGAL DEPARTMENT: ADDING REVISION SURGERY DATE FOR RIGHT HIP ON (B)(6) 2020).

    Patient problems: Loss of Range of Motion; Metal Related Pathology; Pain

    MAUDE report 10474403 ↗
  • InjuryMar 23, 2020Appropriate Device Problem Term/Code Not Available

    ALLEGEDLY, PATIENT WAS REVISED DUE TO METAL ON METAL COMPLICATIONS.

    Patient problems: Reaction

    MAUDE report 9869257 ↗
  • InjuryJul 2, 2019Material Disintegration; Material Disintegration

    ALLEGEDLY THE PATIENT WAS REVISED DUE TO MOM COMPLICATIONS: METALLOSIS; PSEUDO-TUMOR. (LEFT). LINER AND HEAD WERE REMOVED AND REPLACED WITH A CERAMIC HEAD AND POLY LINER (36MM).

    Patient problems: Reaction

    MAUDE report 8754945 ↗

Other Prosthesis, Hip, Semi-Constrained (Metal Uncemented Acetabular Component) devices

All Prosthesis, Hip, Semi-Constrained (Metal Uncemented Acetabular Component) devices →

Sources: FDA GUDID, MAUDE and Medical Device Recalls via openFDA. openFDA data is not validated for clinical or regulatory use.