Development of an implantable pulse oximeter

被引:27
作者
Reichelt, Stephan [1 ]
Fiala, Jens [1 ]
Werber, Armin [1 ]
Foerster, Katharina [2 ]
Heilmann, Claudia [2 ]
Klemm, Rolf [2 ]
Zappe, Hans [1 ]
机构
[1] Univ Freiburg, IMTEK, Dept Microsyst Engn, Lab Micro Opt, D-79110 Freiburg, Germany
[2] Univ Med Ctr Freiburg, Dept Cardiovasc Surg, D-79110 Freiburg, Germany
关键词
implant sensor; long-term monitoring; oxygen saturation; physiological sensing; pulse oximetry;
D O I
10.1109/TBME.2007.902242
中图分类号
R318 [生物医学工程];
学科分类号
0831 ;
摘要
A long-term implantable photoplethysmographic sensor system is proposed. The system employs an elastic cuff which is directly wrapped around an arterial blood vessel. The optically transparent cuff is equipped with light emitting diodes and a photo transistor including the technology of pulse oximetry. The sensor will, permit real-time, continuous monitoring of important vital parameters such as arterial blood oxygen saturation and pulse rate over a long-term period in vivo. We emphasize on the specific requirements for design and instrumentation of the implantable sensor and discuss first in vitro data acquired with that new photonics-based sensor.
引用
收藏
页码:581 / 588
页数:8
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