Patent ID: 7805853

Claim:
Apparatus suitable for modeling the pelvic anatomy of a person comprising: (a) a sizing assembly comprising; (i) a pubis stop arm having a pubis stop thereon; and (ii) a pelvic seat arm supporting a pair of opposed ischial seats, the pelvic seat arm extending generally horizontally from the upstanding member and being below the pubis stop, each ischial seat having a horizontal ledge for receiving a person's ischial tuberosity and an adjoining vertical wall for receiving a person's medial aspect of the ischial ramus, wherein the distance between the pubis stop and the ischial seats is adjustable, the distance between the ischial seats is adjustable, and the relative angle between the vertical walls of the ischial seats is adjustable to accommodate different anatomies; and (b) adjustment means for adjusting the vertical position of the sizing assembly to accommodate persons of different leg length.