An implantable optical blood pressure sensor based on pulse transit time
作者： Jens Fiala , Philipp Bingger , Dominic Ruh , Katharina Foerster , Claudia Heilmann
DOI: 10.1007/S10544-012-9689-9
关键词:
摘要: An implantable sensor system for long-term monitoring of blood pressure is realized by taking advantage the correlation between pulse transit time and pressure. The highly integrated module, fabricated using MEMS technologies, uses 8 light emitting diodes (LEDs) a photodetector on chip level. applied to large vessels, such as carotid or femoral arteries, allows extravascular measurement highly-resolved photoplethysmograms. In addition, spectrophotometric approaches allow hemoglobin derivatives. For calibration measurements, has been successfully implemented in animal models.
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