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Miniaturized multi sensor implant for monitoring of hemodynamic parameters

 
: Dogan, Özgü; Schierbaum, Nicolas; Weidenmüller, Jens; Baum, Mario; Schröder, Thomas; Wünsch, Dirk; Görtz, Michael; Seidl, Karsten

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Institute of Electrical and Electronics Engineers -IEEE-:
41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2019 : July 23rd - 27th 2019, Berlin, Germany
Piscataway, NJ: IEEE, 2019
ISBN: 978-1-5386-1312-2
ISBN: 978-1-5386-1311-5
S.3823-3826
Engineering in Medicine and Biology Society (EMBC Annual International Conference) <41, 2019, Berlin>
Fraunhofer-Gesellschaft FhG
Fraunhofer Leitprojekte;
Theranostische Implantate
Englisch
Konferenzbeitrag
Fraunhofer IMS ()
Fraunhofer ENAS ()
multi sensor implant; cardiovascular monitoring; hemodynamcis; pressure sensor; acceleration sensor

Abstract
We present a novel miniaturized multi sensor implant for monitoring hemodynamic parameters in cardiovascular regions. Pressure measurements are performed with a highly accurate capacitive pressure sensor. An additional acceleration and temperature sensor allows compensating the impact of patient’s inclination and temperature variations on the pressure measurement, respectively. A multi functional transponder application specific integrated circuit (ASIC) manages sensor signal processing, storage of ID, sensor calibration data, telemetric energy, and data transmission with an extracorporeal reading unit. Each component of the implant is assembled on a low temperature co-fired ceramics (LTCC) circuit board with an integrated antenna coil enabling an inductive near-field coupling at a frequency of 13.56 MHz. For a streamlined shape and reduction of thrombogenicity, the implant is encapsulated by biocompatible polymers.

: http://publica.fraunhofer.de/dokumente/N-561821.html