Low profile fastening assembly

摘要

A fastener assembly that can be used for the fixation or anchoring of orthopedic devices or instruments to bone tissue. In particular, a low profile variable angle or fixed angle fastener assembly is able to securely connect the orthopedic device to bone tissue. The fastener assembly may have a locking mechanism that will quickly and easily lock the fastener assembly with respect to the orthopedic device.

主权项

1. A surgical method comprising: inserting a bone plate into a patient, wherein the bone plate comprises an opening extending from an upper surface of the bone plate to a lower surface of the bone plate, wherein the bone plate comprises one or more grooves in communication with the opening; inserting a fastener assembly into the bone plate, wherein the fastener assembly comprises a locking head comprising an extension; and rotating the fastener assembly such that the extension is received in the one or more grooves of the bone plate to thereby prevent backout of the fastener assembly from the bone plate, wherein the locking head extending from most upper surface of the bone plate to most lower surface of the bone plate, and wherein the fastener assembly comprises a fastener including a head portion, a neck portion and a shank portion, wherein the head portion is received in an opening formed in the locking head.