| 摘要 |
A first arched slot or slit connection element (15) and a second linear slot or slit connection element (19, 21) are provided for cursors (13, 30) which can slide and be locked along said slots or slits; the connection element engaged with the humeral stem is self-centring and is provided with a hinge (32, 34) defining the articulation axis of the elbow, when - after repeated flexion-extension - said cursor is no longer subject to significant movements. |
