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Sensors 2014, 14(8), 14858-14872; doi:10.3390/s140814858

Implantable Impedance Plethysmography

Department of Microsystems Engineering, University of Freiburg, Georges-Koehler-Allee 102,79110 Freiburg, Germany
Heart Center Freiburg University, Hugstetter Strasse 55, 79106 Freiburg, Germany
HSG-IMIT, Institute of Micromachining and Information Technology, Wilhelm-Schickard-Strasse 10,78052 Villingen-Schwenningen, Germany
Author to whom correspondence should be addressed.
Received: 10 June 2014 / Revised: 21 July 2014 / Accepted: 1 August 2014 / Published: 13 August 2014
(This article belongs to the Special Issue Implantable Sensors)
View Full-Text   |   Download PDF [9606 KB, uploaded 13 August 2014]   |  


We demonstrate by theory, as well as by ex vivo and in vivo measurements that impedance plethysmography, applied extravascularly directly on large arteries, is a viable method for monitoring various cardiovascular parameters, such as blood pressure, with high accuracy. The sensor is designed as an implant to monitor cardiac events and arteriosclerotic progression over the long term. View Full-Text
Keywords: biomedical implant; arterial distension; plethysmography; blood pressure biomedical implant; arterial distension; plethysmography; blood pressure

This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Theodor, M.; Ruh, D.; Ocker, M.; Spether, D.; Förster, K.; Heilmann, C.; Beyersdorf, F.; Manoli, Y.; Zappe, H.; Seifert, A. Implantable Impedance Plethysmography. Sensors 2014, 14, 14858-14872.

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