As of 2021, 4 cochlear implant gadgets accepted to be used within the United States are manufactured with the aid of Cochlear Limited, Advanced Bionics, MED-EL, and Oticon Medical.
In Europe, Africa, Asia, South America, and Canada, an additional device synthetic by Neurelec (France, a department of William Demant) became available. A device made by using Nurotron (China) become additionally available in some components of the world. Each manufacturer has adapted a number of the a success innovations of the opposite agencies to its own gadgets. There is not any consensus that someone of these implants is advanced to the others. Users of all devices report a huge range of performance after implantation.