Patent ID: 6132466
Filing Date: 2000-10-17
Classification: A61B,A61F

Abstract:
A temporomandibular prosthetic joint comprising:a metallic condyle component having an elongate ramus attachment portion with opposed superior and inferior ends and bone attachment means intermediate said ends, a generally condylar head disposed at said superior end of said ramus attachment portion, said condylar head being a surface of revolution defined by rotating a curve about a medial-to-lateral axis and having opposed medial and lateral ends, portions of said head in proximity to said medial and lateral ends being tapered toward the medial-to-lateral axis of the condylar head;a fossa component having a metallic bone attachment member and a bearing member formed from a non-metallic material, said bearing member having an inferior bearing surface in articular and sliding bearing engagement with said condylar head, said bearing surface being configured to permit a major articulation of said condyle component about a medial-to-lateral axis, a minor articulation of said condyle component about an anterior-to-posterior axis and translation of said condylar head on said bearing surface in a substantially anterior-to-posterior direction.