I don't know if I am a genius or what. First, let me say I have seen that they (doctors) are experimenting by combining microfracture with autologous marrow derived stem cells, and they say it works better than either by themselves. Okay, now we got the OATS grafts that for sure work, but for large defects in femoral cartilage, to get enough grafts to cover the defect the OATS graft system leaves a mess of the donor area. But here is my (genius) idea that no one seems to have thought about, or, at least, I've never seen this reported upon; combine all three procedures -- OATS grafts + microfracture + stem cells. What I am saying is put just a few OATS grafts into the defect to create a of raised protective shield for the rest of the areas of the defect, then as to the rest of the areas of the defect do the microfracture drilling and inject the stem cells. The stem cells will promote cartilage growth in the areas of the defect protected by the OATS grafts. This will also allow a patient to at lest walk around a bit while the healing is going on with the microfracture and stem cell treatment around the OATS grafts. Theoretically, the stem cells will be able to fill in up to the height of the OATS grafts -- the result is nice thick cartilage replacement. SO WHY IS NO ONE TRYING THIS COMBINATION OF TECHNIQUES?