Document Detail


An implantable optical blood pressure sensor based on pulse transit time.
MedLine Citation:
PMID:  23053446     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
An implantable sensor system for long-term monitoring of blood pressure is realized by taking advantage of the correlation between pulse transit time and blood pressure. The highly integrated implantable sensor module, fabricated using MEMS technologies, uses 8 light emitting diodes (LEDs) and a photodetector on chip level. The sensor is applied to large blood vessels, such as the carotid or femoral arteries, and allows extravascular measurement of highly-resolved photoplethysmograms. In addition, spectrophotometric approaches allow measurement of hemoglobin derivatives. For the calibration of blood pressure measurements, the sensor system has been successfully implemented in animal models.
Authors:
Jens Fiala; Philipp Bingger; Dominic Ruh; Katharina Foerster; Claudia Heilmann; Friedhelm Beyersdorf; Hans Zappe; Andreas Seifert
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-9-29
Journal Detail:
Title:  Biomedical microdevices     Volume:  -     ISSN:  1572-8781     ISO Abbreviation:  Biomed Microdevices     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-10-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100887374     Medline TA:  Biomed Microdevices     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Microsystems Engineering (IMTEK), Laboratory for Micro-Optics, University of Freiburg, Georges-Koehler-Allee 102, Freiburg, 79110, Germany, jens.fiala@imtek.uni-freiburg.de.
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