Autologous Adipose Tissue Derived Mesenchymal Stem Cells Transplantation in Patient With Avascular Necrosis of the Femoral Head

Inclusion Criteria: * Age :18-70, males and females. * Subjects who understand and sign the consent form for this study. * Clinical diagnosis of nontraumatic avascular necrosis of the femoral head * Steinberg stage I, II, ⅢA * Patients whose lesion is more than 30% (by Kim's Method) Exclusion Criteria: * Patients who have collapsed femoral head * Patient has had a Core Decompression or Multiple Drilling in the affected hip * Patients who received osteoporosis medicines and parathyroid hormone drugs * Taking medications that use the immunosuppressive drugs and cytotoxic agents or unable to discontinue their use for the duration of the study * Taking medications that use the adrenocortical hormone drugs or unable to discontinue their use for the duration of the study * Subject unable to undergo MRI (i.e. patients with pace-maker, metallic hip prosthetic implants) * Women who are pregnant or breast feeding or planning to become pregnant during the study. * Positive serology for HIV and hepatitis * Serious pre-existing medical conditions like Cardiovascular Diseases, Cancer, Renal Diseases, Endocrine Diseases and Autoimmune Diseases * Participation in another clinical trial or treatment with a different investigational product within 3 months prior to inclusion in the study. * Other pathologic conditions or circumstances that difficult participation in the study according to medical criteria.