Safety and Effect of Adipose Tissue Derived Mesenchymal Stem Cell Implantation in Patients With Spinal Cord Injury

Inclusion Criteria: * Subjects who understand and sign the consent form for this study * Age : 19-70 * Clinical diagnosis of spinal cord injury(American Spinal Injury Association\[ASIA\] Impairment Scale\[AIS\] grade A or B or C) * Duration of injury : \> 3 month Exclusion Criteria: * Subjects who must put on a respirator * Subjects who had malignant tumor within 5 years * Subjects with a infectious disease include HIV and hepatitis * Subjects who injured brain or spinal cord before spinal cord injury * Subjects with anemia or thrombocytopenia * Subjects with angina pectoris, myocardial infarction, cardiomyopathy, occlusive disease, chronic renal failure, glomerular disease and chronic obstructive pulmonary disease * Subjects with congenital or acquired immunodeficiency disorders * Patients with clouded consciousness or speech disorder * treat with cytotoxic medications(immunosuppressive drug, corticosteroid and cytotoxic drug) during clinical trials * participating another clinical trials within 3 months * other serious disease or disorder that could seriously affect ability to participate in the study