ARDEN HILLS, Minn.--(BUSINESS WIRE)--IntriCon Corporation (NASDAQ: IIN), a designer, developer, manufacturer and distributor of body-worn devices, today announced that it has launched its all-new, patent-pending APT™ Open in-the-canal (ITC) hearing aid. Previewed at the European Hearing Aid Acousticians conference in October 2010, APT is a complete, technically advanced hearing aid.