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Development of a system concept for miniaturized cardiovascular multi sensor implants

: Dogan, Özgü; Walk, Christian; Weidenmüller, Jens; Gembaczka, Pierre; Stanitzki, Alexander; Görtz, Michael

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Procedia Engineering 168 (2016), S.159-162
ISSN: 1877-7058
Eurosensors Conference <30, 2016, Budapest>
Zeitschriftenaufsatz, Konferenzbeitrag, Elektronische Publikation
Fraunhofer IMS ()
pressure sensor; monitoring of hemodynamics; multi-sensor system; telemetric power and data transmission; implant encapsulation; Drucksensor; medizinisches Implantat; Multi-Sensor-System; AVT; Kapselung

Long-term monitoring of hemodynamics can be achieved by an implantable and telemetric multi sensor system. A concept to realize a system with high miniaturization level is presented. The requirements regarding a multifunctional transponder ASIC (Application Specific Integrated Circuit), which should combine signal processing, telemetric communication and additional sensors in one chip, are introduced. Capacitive pressure sensors showing low power consumption were tested with laboratory setups with respect to the integration in this concept. First results were achieved and discussed concerning two potential assembly technologies for the integration of a pressure sensor. Finally, novel hermetic sealing and implant encapsulation technologies are proposed for further implant miniaturization.