Medical devices for use in treating or diagnosing veterinary conditions, health maintenance and health improvement benefits, namely, pain relief, wound care and other health benefit therapies, namely, muscle, joint, skeletal, nerve, and skin therapies; Light-based medical devices for use in treating temporomandibular joint disorder (TMJ), respiratory diseases, rheumatoid arthritis, pododermatitis, bursitis and tendonitis, gingivitis, stomatitis and tooth extractions, rodent ulcers and feline acne, cystitis, feline asthma, rhinitis, sinusitis, trauma, hip dysplasia, pyotraumatic dermatitis (hot spots), inflammatory bowel disease, dermatomyositis, tail fractures, and acupuncture conditions, namely, devices using a combination of electromagnetic radiances in the nature of low level lasers, light emitting diodes, red light, infrared light and light for use in treating or diagnosing temporomandibular joint disorder (TMJ), respiratory diseases, rheumatoid arthritis, pododermatitis, bursitis and tendonitis, gingivitis, stomatitis and tooth extractions, rodent ulcers and feline acne, cystitis, feline asthma, rhinitis, sinusitis, trauma, hip dysplasia, pyotraumatic dermatitis (hot spots), inflammatory bowel disease, dermatomyositis, tail fractures, and acupuncture conditions