Root repair

A root tear is one of the most challenging types of meniscal injuries. It involves the meniscus tearing away from its attachment site in the posterior aspect of the knee. When a meniscus is damaged in this way, it no longer remains in its position between the femur and tibia, but instead displaces out of the joint space.

It’s similar to a barrel bound by hoops—if one of the hoops breaks, continuing to fill the...