Patent ID: 8231682

Claim:
A trial implant kit for use in a surgical procedure for replacement of a joint between a resected long bone and another bone, the resected long bone having an axis, an edge and a cavity formed therein, the cavity having an internal wall, comprising: a metaphyseal part configured to be at least partially disposed within the cavity whereat a portion of the metaphyseal part is in contact with the internal wall; and a first disk having a first outer rim defined by a first diameter and a plurality of spokes extending inwardly from the first outer rim connected to one another at a first hub, and a second disk having a second outer rim defined by a second diameter and a plurality of spokes extending inwardly from the second outer rim connected to one another at a second hub, the first disk and the second disks each having a substantially flat shape and being configured to be fitted to the metaphyseal part to provide a gauge as to the appropriate size of a head part which is to be selected according to the location of the axis of the bone relative to the edge, wherein the first hub is located substantially at the center of the first disk and the second hub is located at a position that is offset from the center of the second disk.