Nero is a 7-year-old male German shepherd who, although he no longer expresses pain, continues to limp due to the hip dysplasia typical of the breed, and also has a degenerative disease in his spine. The Demox phototherapy equipment helps his muscle and nerve regeneration, in addition to acting as an analgesic, anti-inflammatory, accelerates wound healing always with the appropriate frequency and intensity. In addition, phototherapy is indicated for degenerative joint diseases such as hip dysplasia, spondyloarthrosis, knee osteoarthritis, elbow dysplasia, among others. It is also possible to help in the recovery of patients who have undergone both orthopedic and neurological surgeries, trauma patients, tendon and ligament injuries.