Prosthetic thumb joint and method of manufacture

Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone

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623 18, 623901, A61F 242

Patent

active

055496903

ABSTRACT:
A method for modeling a prosthetic CMC thumb joint, and the joint manufactured therefrom, involves anatomically locating the two non-perpendicular and non-intersecting axes of rotation for the joint. The surface of revolution about these two axes, which is a torus, is then used to mathematically model the bearing surfaces of the prosthetic joint.

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