System development for micro-electrode assembly of cochlear implant

Cochlear Implant is an implantable medical device for severe deafness patients to restore hearing function. The micro-electrode in cochlear implant is directly contacted with the human cochlea for signals transmission, thus its assembly is an important step of cochlear implant production. However, currently micro-electrode is assembled manually and the assembly precision and efficiency are unable to meet the industrial standard. In this paper, an automatic assembly system of micro-electrode for Cochlear Implant was designed. In this system, several mechanical mechanism specially for the micron level parts transmission and assembly were designed, including a wire feeder, a ring transmission mechanism, and a welding mechanism. And combined with the human-computer interaction interface, the effectiveness of the overall performance of the assembly system was verified by experiments.