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RF energy transmission for sensor transponders deeply implanted in human bodies

: Hennig, A.

European Microwave Association:
European Microwave Week 2008. CD-ROM : EuMW 2008; the European Microwave Week now consists of four conferences: European Microwave Conference (EuMC); European Wireless Technology Conference (EuWiT); European Radar Conference (EuRAD); European Microwave Integrated Circuits Conference (EuMIC); 27-31 October 2008, Amsterdam Rai, Amsterdam, The Netherlands
Piscataway, NJ: IEEE, 2008
European Microwave Week (EuMW) <11, 2008, Amsterdam>
European Microwave Conference (EuMC) <38, 2008, Amsterdam>
European Wireless Technology Conference (EuWiT) <2008, Amsterdam>
European Radar Conference (EuRAD) <2008, Amsterdam>
European Microwave Integrated Circuits Conference (EuMIC) <3, 2008, Amsterdam>
Conference Paper
Fraunhofer IMS ()
medical engineering; passive transponder; absorption in human tissue; energy transmission through human body; Dämpfung im Körpergewebe; Energieübertragung in den menschlichen Körper; medizinische Technik; passiver Transponder; Energieübertragung

The use of sensor transponder technologies in medicine opens valuable possibilities in therapy of human cardiovascular system diseases, for example cardiac insufficiency. This paper deals with the question, what relevant effects exist concerning energy transmission through the human body and how they can be considered during the system design process. Parasitic effects in the transponder antenna are analysed. Finally, a combination of all effects is taken into account to analyse the frequency behaviour of the whole system. Practical examinations confirm the feasibility with a HF transmission system.