Indication:
For use of cruciate reconstruction when using hamstring or patellar tendon grafts. The screws have blunt threads which protect the grafts from laceration.
The round head screws reduces the stress in the graft as it exits the femoral end.

Profile:
The spike washer is an implant specifically designed to secure soft tissue tendons to Cortex bone. It is primary function is for securing doubled loop graft onto the tibial cortex.