The disclosure includes pulse oximetry systems and methods for determining point-by-point saturation values by encoding photoplethysmographs in the complex domain and processing the complex signals. The systems filter motion artifacts and other noise using a variety of techniques, including statistical analysis such as correlation, or phase filtering.

 
Web www.patentalert.com

< Depth-resolved reflectance instrument and method for its use

> Systems and methods for treatment of diabetes by electrical brain stimulation and/or drug infusion

~ 00469