A cochlear implant is an electronic device that restores partial hearing to individuals with severe to profound hearing loss who do not benefit from a conventional hearing aid. It is surgically implanted in the inner ear and activated by a device worn outside the ear.
Full Answer. There are three other common types of pillows including queen-size, king-size, and euro-size. The dimensions of a queen-sized pillow are 20 inches wide and 30 inches long. A king-sized pillow is 20 inches wide and 36 inches long, and requires a king-sized pillowcase.
Pillows are available in six sizes, which are directly proportional to the mattress size: Standard size pillows measure 20 by 26 inches. This is the most common size and the number of pillows required is generally determined by the mattress size: one pillow for a twin sized bed, two for a double bed or queen sized bed and three for a king sized bed. Queen size pillows measure 20 by 30 inches. This is an uncommon size pillow.