Abstract: A drill guide for determining the site for and drilling a tunnel in a tibia during an anterior cruciate ligament replacement procedure and method for using same are also disclosed. The drill guide utilizes a multiple-point anatomical reference system for determining the most favorable position for the tibial tunnel, based on isometry, freedom from impingement and desired ACL-PCL interaction.

Abstract: An apparatus for performing endoscopic surgical procedures within an internal body cavity. The apparatus includes an imaging unit for viewing the internal body cavity. In addition, the apparatus includes an intra-articular unit for providing a flow of fluid into the internal body cavity as well as for controllably withdrawing fluid from the internal body cavity. The apparatus further includes a cart which allows electrical intercommunication between the imaging unit and the intra-articular unit whereby the operation of the imaging unit and the intra-articular unit are interdependent.

Abstract: A drilling system for ACL reconstruction including: a first drill guide having an aimer member with a notched top surface for mating with the roof of the intercondylar notch; a positioning member having a removable drill guide sleeve; and a second drill guide including a second aimer member with a curved tip and a top notch. The positioning member can be placed on both drill guides for properly positioning the drill guide sleeve for the drilling of both the tibia and the femur.