Wireless Power Transfer for Medical Implants

Abstract

Wireless power transfer has enhanced its capability and been able to suit itself for various applications with pace of time. This paper presents modern wireless power transfer methods in medical implants design that can possibly overcome the traditional battery operated implants. Various advantages of far field inductive power transfer is pointed and the way to model the implants inside the human body is clearly illustrated. The modelling of maximum power utilization by the implant inside the human body is demonstrated using the equivalent cylinder layers properties. Advanced Design System, a automation software for RF, microwave is used to match the source and load impedance, Simplorer to calculate the voltage utilized by the implant and ANSYS HFSS to model implant in real environment is used to simulate overall project design. This designed implant can drive the implant consuming power up-to 0.1135 mW. The qualitative design and analysis of such implant could also be used on other medical applications considering ICNIRP criteria.