Sensors and sensorsystems for in vivo monitoring

Summary form only for tutorial. Sensors and the related interface electronics have become available in small size and low power. This offers many new opportunities in the medical field to explore the body in places where nobody has ever been before. This paper will cover two topics : at first how sensors and the electronics can be miniaturized and tailored to suit the medical needs. It is demonstrated which sensors can be applied succesfully, and which ones can not. In a second part, the development and fabrication of fully functional implantable devices will be discussed. Application areas in the field of animal welfare, urology and dental implant systems are shown. Crucial for all these devices are the miniaturisation, and low power interface circuits, along with low power telemetry and inductive powering