FIELD: medical engineering. SUBSTANCE: device has plate corresponding in shape to geometric surface enveloping the teeth from outside. It has internal and external discharge grooves on the internal and external lateral surface of branches. Medical preparation slowly soluble with saliva is stored in the grooves so that it does not touch teeth and buccal mucosa. The medical arch is placed between teeth and cheeks and kept there until complete convalescence occurs. The medical preparation ions are continuously supplied to an ill organ like larynx. The arch in the oral cavity causes no trouble due to its branches thickness being small. EFFECT: wide range of applications; long-term arch service life in the oral cavity without causing pain; high concentration of preparations in saliva. 5 cl, 2 dwg
