Body Implantable Patch Antenna for Biotelemetry System

Abstract

In this study, a biocompatible in-body antenna for biotelemetry system is focused to design. The compact size, flexibility and low radiation make this antenna suitable for implanting inside human body. The main challenge is to make this antenna operate at MICS band (402 MHz-405MHz), which is safest frequency band to implant any antenna inside human body according to FCC (Federal Communications Commission). Copper is used to create the both patch and ground panel. To create the substrate panel flexible material FR-4 is selected. Silicon is chosen to wrap the antenna before implant inside the human body phantom model, due to biocompatibility. CST Microwave studio is used to design the antenna and human phantom model, where all the electrical properties and other important properties are maintained to create human body phantom model. At the end, SAR, VSWR and other important parameters are calculated to ensure this antenna is reliable for body implantable for biotelemetry system.