Patent ID: 6582232
Filing Date: 2003-06-24
Classification: G09B

Abstract:
A model of a human head comprising a base, a neck supported on the base, a cranium, hinge means for pivotally joining the cranium to the neck, and a jaw movably connected to the cranium at a joint simulating a temporomandibular joint, the model havingleast a first tensionable connector connecting the cranium and the base, the first tensionable connector simulating a relaxed or contracted state of a trapezius muscle at least a second tensionable connector connecting the cranium and the jaw, the second tensionable connector simulating a relaxed or contracted state of a jaw muscle, and at least a third tensionable connector connecting the cranium and the base, the third tensionable connector simulating a relaxed or contracted state of a side neck muscle, for demonstrating conditions between the cranium, the jaw, and the muscles and a space between members of said hinge that forms an angle.