Patent ID: 8128634

Claim:
A trocar and trocar sleeve assembly, comprising: a trocar, comprising: an elongate shaft having a sharpened tip on a distal end thereof for penetrating bone; and a pin disposed on a proximal portion of the elongate shaft spaced a distance from a proximal-most end of the elongate shaft and extending through a bore formed in the elongate shaft transverse to a longitudinal axis of the elongate shaft; and a trocar sleeve, comprising: an elongate shaft having an inner bore extending longitudinally therethrough; and a collar formed on a proximal end of the elongate shaft of the trocar sleeve that includes a diagonally-extending slot formed therein for receiving the pin of the elongate shaft of the trocar when the trocar is inserted within the inner bore of the trocar sleeve such that the trocar and trocar sleeve are configured to move together in at least one direction when the pin is engaged within the slot.