Patent ID: 8211113

Claim:
An orthopaedic instrument for guiding a rotatable tool, comprising: a bone facing surface; a surface opposite the bone facing surface configured to limit movement of a portion of a rotatable tool in a direction toward the bone facing surface; a first guide wall extending from the bone facing surface to the surface opposite the bone facing surface and defining a first guide slot, the first guide slot including a first length and a first width, the first length substantially greater than the first width; and a second guide wall extending from the bone facing surface to the surface opposite the bone facing surface and defining a second guide slot, the second guide slot including a second length and a second width, the second length substantially greater than the second width, wherein a first portion of the second guide slot along the second length is located directly above an end portion of the first guide slot when the instrument is viewed in a plan view and a second portion of the second guide slot along the second length is located lower than the end portion of the first guide slot when the instrument is viewed in the plan view.