| abstract |
The invention relates to an intermediate element (30) for a ball-and-socket-type connection which can be releasably locked. Said element comprises A) a longitudinal axis (17), an outer wall (32), concentric to said longitudinal axis (17), and a coaxial cavity (11) having a wall (27), whereby B) either the outer wall (32) or the wall (27) of the cavity (11) comprises one of the two contact zones (A; B) forming the ball-and-socket-type connection, and C) the intermediate element (30) consists at least partially of a superelastic or viscoelastic material. |