SURGERY #5 – 01/20/2005 – Dr. Kimball – Skiing.

#1 Healthy ACL (grafted 2 surgeries ago) #2 Ridge on Articulating Cartilage on Femoral Groove #3 Healthy Medial Femoral Articulating Cartilage #4 Top View of Femoral Groove. Notice the Rough Surface. Look closely.

#1 Damage to Lateral Femoral Articulating Cartilage. The “crater” or “pit” is 12 mm x 12 mm ( or under ½ in x ½ in). Real life size: #2 Another view of the “crater.” Tool is 4 mm deep. #3 Zoom in of other side. #4 Another view of the “crater.”

#1 Notice redness. This is the part of the cartilage that is vasculated…red zone cartilage. #2 Shaving Tool for Cartilage #4 See the “Crater.” Knee Fully Extended and Butted Together with Fibula bone.