Mechanical alternating loads in Neuroprosthetics: the example of subretinal implants

M. Kokelmann, W.-G. Wrobel Retina Implant AG, Reutlingen/Germany Martin.Kokelmann@retina-implant.de Introduction Active implants in the human body are exposed to continuous cycling. In striving to lifetimes of > 10 years electrical wires must withstand million of movements without failure. The most mobile human organ is probably the human eye, which moves at up to 720 ° / sec, about 2 million times a year. The electric power supply of subretinal implants has to compensate for these motions via a flexible cable passing through the orbital space to the eye.