Discectomy instrument

A discectomy instrument for use with a cutting tool, the instrument comprising:

• a guard comprising a shaft and a foot extending therefrom, wherein the foot comprises a first surface, a second surface in opposed relationship with the first surface, and a port extending through the foot from the first surface to the second surface and a plurality of teeth extending outward from the second surface;
• a guide comprising a rod, a finger extending from the rod, and an actuator operably connected to the finger such that the finger is selectively articulated via the actuator, the rod including a groove;
• and
• a sheath comprising a plurality of proximal channels and an exterior rib, the exterior rib being sized and shaped for insertion into the groove of the rod of the guide, the sheath being selectively coupled to the shaft of the guard such that the plurality of proximal channels of the sheath converge into a single distal channel that is laterally aligned with the port in the foot of the guard.