Polyethylene liner fracture in dual-mobility trapeziometacarpal joint prosthesis: Report of 17 cases.

Duerinckx, Joris; Marks, Miriam; Herren, Daniel B · J Hand Surg Eur Vol · 2025

case_series · Level IV

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Abstract

We report 17 polyethylene liner fractures in 15 patients with dual mobility trapeziometacarpal joint prostheses who were primarily active males with high key pinch strength. Treatment involved head and liner exchange or trapeziectomy, depending on implant damage severity.<b>Evidence level:</b> V.

Anatomy