A titanium incudo-stapedial joint prosthesis comprises a body including a generally tubular wall defining a first cavity for receiving a head of a stapes. A generally U-shaped wall is connected to the tubular wall defining a second cavity extending generally perpendicular to the first cavity for receiving an incus. The tubular wall comprises slots to enable the first cavity to be sized to fit the head of the stapes. The general U-shaped wall comprises slots to enable the second cavity to be sized to fit to the incus.