inforMED
MalfunctionLPH

G7 Dual Mobility Acetabular System

Received Jul 31, 2026 · Event occurred Jul 6, 2026

Report 0001825034-2026-02230 · MDR key 50097113

Device

Generic name

Prosthesis, Hip, Semi-constrained, Metal/polymer, Porous Uncemented

Catalog number

110024461

Lot number

66981301

Product problems

  • Separation Failure

Patient

45 YR · Male

  • No Clinical Signs, Symptoms or Conditions

Narrative

Description of Event or Problem

It was reported that during a hip procedure to replace the metal liner with a poly liner, the liner could not be removed from the cup regardless of extractors used. Because the liner could not be removed, the surgeon decided to continue using the prosthesis. There was no known impact or consequences to the patient.Attempts have been made and no further information has been provided.

Additional Manufacturer Narrative

(b)(4)G2: Foreign - Event occurred in Japan.The device will not be returned for analysis; however, an investigation of the reported event is in progress. Once the investigation is completed, a supplemental MedWatch 3500A will be submitted.