Overview
OATS transfers small plugs of healthy cartilage to damaged areas.

Indications
Focal cartilage defects in the knee.

How it is done
Cartilage plugs are harvested and implanted into the defect.

Risks and considerations
Donor site pain and graft mismatch are possible.

Recovery timeline
Protected weight bearing for weeks; sport return in 4 to 9 months.

When to seek care
Persistent pain or swelling should be evaluated.