It is a surgery that creates a «false joint», since there is no bone on bone contact. (alpenglowvets.com)
This procedure eliminates the bone - to - bone contact of the acetabulum or socket with the femur which can cause much pain, especially in arthritic joints. (vrc-nova.com)
Without protection, the cartilage deteriorates and bone contacts bare bone. (1800petmeds.com)