CPC A61N 5/10 (2013.01) [A61N 2005/1097 (2013.01)] | 20 Claims |
1. A body part positioning structure, comprising:
a planar member having an upper surface to support at least a portion of a body part, and further comprising:
a first mask mounting system having a first physical arrangement of mask attachment structures, at first positions upon the upper surface, for mounting a first mask to secure the at least a portion of the body part upon the upper surface of the planar member; and
a second mask mounting system having a second physical arrangement of mask attachment structures, at second positions upon the upper surface, for mounting a second mask to secure the at least a portion of the body part upon the upper surface of the planar member,
wherein, when the first mask is mounted to the upper surface using the first mask mounting system, the second mask is precluded from also being mounted to the upper surface due to the first physical arrangement of the mask attachment structures, and
wherein, when the second mask is mounted to the upper surface using the second mask mounting system, the first mask is precluded from also being mounted to the upper surface due to the second physical arrangement of the mask attachment structures.
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