| 主权项 |
1. An ankle brace, comprising:
a foot shell including a base for extending beneath a foot and left and right side portions extending upwardly from the base; a medial shell including left and right lateral walls pivotably connected to said left and right side portions of said foot shell at first and second lower pivot points, respectively; and an upper extension shell secured to and projecting upwardly from said medial shell along said left and right lateral walls, said upper extension shell including an upper left lateral wall pivotably connected to said left lateral wall of said medial shell, and an upper right lateral wall pivotably connected to said right lateral wall of said medial shell, wherein a first arcuate projection on one of the upper left lateral wall and the left lateral wall is received in a corresponding first arcuate opening defined on the other of said upper left lateral wall and said left lateral wall with a releasable snap fit to pivotably connect said upper left lateral wall to said left lateral wall, and wherein a second arcuate projection on one of the upper right lateral wall and the right lateral wall is received in a corresponding second arcuate opening defined on the other of said upper right lateral wall and said right lateral wall with a releasable snap fit to pivotably connect said upper right lateral wall to said right lateral wall, and wherein the first and second arcuate openings extend for a greater arcuate distance than the respective first and second arcuate projections, and the first and second arcuate openings sized and positioned so as to restrict an amount of rotation between said medial shell and said upper extension shell. |
