Classification Information
Surgical apparatus and instruments for protection of the respiratory tract in laryngectomized and tracheotomized subjects, namely, heat and moisture exchanges and components thereof, namely, double-sided adhesives, collars, secretion traps, filters, casings, and kits comprised of one or more of the aforesaid components; orthopedic articles, namely valves for phonatory implants; prostheses, namely respiratory prostheses; artificial noses, namely for laryngectomized and tracheotomized subjects
Medical Apparatus