Patent ID: 9216044
Filing Date: 2015-12-22
Classification: A61B

Abstract:
1. A pedicle screw driver bit comprising: an elongated shank comprising a plurality of threads; and a head connected to one end of the shank, wherein the head is configured to be received by opposing rod-receiving slots of a tulip connected to a pedicle screw, wherein the tulip comprises a cylindrical collar that includes a first end and a second end to which an end of the pedicle screw is connected, and wherein the threads of the shank are configured to engage a plurality of threads formed on at least one interior surface of the tulip such that when the shank is rotated the tulip is drawn into engagement with the head such that the head is seated in the opposing rod-receiving slots of the tulip, and the shank, the head, the tulip, and the pedicle screw are substantially prevented from rotating relative to one another such that they rotate together as a unit to facilitate rotating the pedicle screw with the pedicle screw driver bit.