Co.don AG is a Germany-based company that is active in the tissue engineering and regenerative medicine industry. The Company manufactures cell-based biological drugs for the use in orthopedic and neurosurgical applications. Its products are used for the treatment of focal particular cartilage defects, lumbar disc herniation, non-union fractures and dental disorders. Those include co don chondrotransplant, which is used for cartilage treatment, particularly in the knee area; co don chondrosphere, which is a three-dimensional articular cartilage cultivated outside of the body; co don chondrotransplant DISC, for the regeneration of intervertebral discs, and co don osteotransplant DENT, which is an autologous bone cell transplant for dental applications. The Company is active domestically and in other European countries.