1. An apparatus for the placement of surgical implements, comprising: a fixture that defines a plurality of attachment points that are spaced apart and fixed relative to each other; a plurality of cannulas coupled to the fixture with each of the plurality of cannulas coupled to a respective one of the plurality of attachment points; at least one trackable marker mounted on a frame that is coupled to the fixture to enable an instrument location system to detect a position of each of the plurality of cannulas throughout a surgical procedure without obstructing any of the cannulas during the procedure; and a plurality of surgical implement receivers provided on the fixture for receiving surgical implements, at least one of the plurality of receivers being substantially coaxially aligned with a respective one of the plurality of cannulas to enable a surgical implement to pass through a respective one of the plurality of receivers and a respective one of the plurality of cannulas.