Patent ID: 8287547

Claim:
An adjustable drill guide for use with an orthopaedic drilling device comprising: a base configured to be coupled to a surgically-prepared surface of a patient's bone, the base including (i) a cylindrical body defining a first passageway therethrough and (ii) a pin extending away from the body; a sleeve coupled to the base for movement relative to the base, the sleeve including (i) a body defining a second passageway therethrough and (ii) an inner wall forming a slot in the body; a spring in contact with the base and the sleeve to bias the sleeve upwardly relative to the base, wherein (i) the pin of the base is received in the slot of the sleeve and is moved along the slot when the sleeve is moved relative to the base, and (ii) the pin is biased into engagement with a bottom surface of the inner wall to prevent movement of the sleeve beyond a predetermined position.