Vital signs fiber optic sensor systems and methods
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United States of America Patent
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May 23, 2017
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app pub date -
Sep 30, 2015
filing date -
Sep 30, 2014
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Abstract
An intensity-based, micro-bending optical fiber sensor is disclosed herein, which is configured to acquire clean, stable, and reliable vital sign signals. Related systems and methods for vital sign monitoring are also provided herein. The sensor of various embodiments includes a multi-mode optical fiber, an LED light source, an LED driver, a receiver, and a single layer deformer structure. In various embodiments, the optical fiber and single layer deformer structure of the sensor are selected to meet specific parameters necessary to achieve a level of reliability and sensitivity needed to successfully monitor vital signs. In some embodiments, a specific sizing relationship exists between the optical fiber and the single layer deformer structure. In sonic embodiments, the sensor is configured to acquire ballistocardiograph waveforms.
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