US Patent Issued to Masimo on Dec. 2 for "System to monitor and manage patient hydration via plethysmograph variability index in response to the passive leg raising" (California Inventors)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,484,844, issued on Dec. 2, was assigned to Masimo Corp. (Irvine, Calif.).

"System to monitor and manage patient hydration via plethysmograph variability index in response to the passive leg raising" was invented by Massi Joe E. Kiani (Laguna Niguel, Calif.), Bilal Muhsin (Irvine, Calif.) and Keith Ward Indorf (Lake Elsinore, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for predicting fluid responsiveness or fluid unresponsiveness are described. A processor can determine a first prediction of fluid responsiveness or unresponsiveness based on a plethysmograph variability parameter associated with a plethysmograph waveform, and can deter...