Energy harvesting for active implants: powering a ruminal pH-monitoring system

Author:

Machts R.1,Reuter T.1,Prokop P.V.1,Schewtschenko O.1,Stubenrauch M.1,Schilling C.1,Witte H.1

Affiliation:

1. 1fzmb GmbH, Geranienweg 7, 99947 Bad Langensalza, Germany

Abstract

AbstractEnergy harvesting is a feasible method to prolong service life of implanted devices. We present a thermal energy harvesting approach for a ruminal pH-monitoring probe in cattle. Thermoelectric generators utilize the temperature gradient between the probe and the ruminal fluid during water intake. The in vivo experiment yielded a maximum electric power of 32 μW.

Publisher

Walter de Gruyter GmbH

Subject

Biomedical Engineering

Reference32 articles.

1. Current use of implantable electrical devices in Sweden: data from the Swedish pacemaker and implantable cardioverter-defibrillator registry;Europace,2014

2. Continuous measurement of reticuloruminal pH values dairy cows during the transition period from barn to pasture feeding using an indwelling wireless data transmitting unit;J. Anim. Physiol. Anim. Nutr,2014

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