10 Medical apparatus, instruments and accessories for examining, treating and monitoring the ears, nose and throat and for use in head and throat operations; surgical instruments for use for the ears, head, neck, nose and throat; surgical and medical instruments, namely tracheostomy tubes, tracheostomy cannulas, respirators for artificial respiration and products for aiding respiration, namely tracheal cannulas, speaking valves and heat and moisture exchangers; prostheses included in this class; medical prostheses, namely prostheses for the chest, throat and neck, voice prostheses, breathing apparatus (medical); tracheostomy valves; speaking valves for tracheostomy tubes; valves for medical purposes and speaking valves for implantation; catheters; valves for implantation in the human body; implants for other parts of the body; heat and moisture exchangers (HME) for medical purposes; parts, fittings and accessories for all the aforementioned goods; medical device, namely a hand-held device with adjustable range used to restore jaw mobility after trismus and mandibular hypomobility; elastic band used to maintain or increase muscle strength and endurance of chewing muscles for medical purposes