CPC A61B 17/1633 (2013.01) [A61B 90/03 (2016.02); A61B 2017/00407 (2013.01); A61B 2090/034 (2016.02)] | 20 Claims |
1. A drill assembly for preparation of a surgical site, comprising:
a drill shaft including one or more cutting surfaces;
a depth collar dimensioned to at least partially cover the one or more cutting surfaces, and the depth collar including a first set of teeth;
a ratcheting sleeve including a second set of teeth; and
wherein the ratcheting sleeve is moveable between a first position and a second position relative to a longitudinal axis of the drill shaft, the second set of teeth are spaced apart from the first set of teeth in the first position such that the depth collar is translatable along the one or more cutting surfaces with respect to the longitudinal axis, and the first set of teeth and the second set of teeth are engaged together in the second position such that the ratcheting sleeve limits axial movement between the depth collar and the drill shaft with respect to the longitudinal axis.
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