US Patent 10328625 Coextruded arc-induced materials

A nasal dilator and method of making nasal dilators are provided. The dilator may havea composite base element of at least two regions, the base element having an outer surface and an inner surface,the inner surface of the base element having a pressure-sensitive adhesive disposed thereon;the base element further including a spring element which imparts return memory into the base element so that the base element returns towards a planar conformation during use. The spring element has elastic memory effected by differential properties in the at least two regions.