ZACHARY WALTON
Anesthesiologist Assistant at State St, New Haven, CT
License number
Connecticut 53467
Category
Osteopathic Medicine
Type
Anesthesiology
Address
Address
360 State St APT 2114, New Haven, CT 06510
Phone
(203) 500-9974
Personal information
See more information about ZACHARY WALTON at radaris.comName
Address
Phone
227 Church St, New Haven, CT 06510
20 Beechwood Ave, New Haven, CT 06511
Professional information
See more information about ZACHARY WALTON at trustoria.com
Systems And Methods Utilizing Plethysmographic Data For Distinguishing Arterial And Venous Saturations
Systems And Methods Utilizing Plethysmographic Data For Distinguishing Arterial And Venous Saturations
US Patent:
2012015, Jun 14, 2012
Filed:
Jun 15, 2010
Appl. No.:
13/378648
Inventors:
Kirk H. Shelley - New Haven CT, US
David G. Silverman - West Redding CT, US
Zachary Doyle Walton - New Haven CT, US
David G. Silverman - West Redding CT, US
Zachary Doyle Walton - New Haven CT, US
Assignee:
YALE UNIVERSITY - New Haven CT
International Classification:
A61B 5/1455, A61B 5/145
US Classification:
600323, 600309
Abstract:
Apparatus, systems and methods are provided for using the PG waveform to determine peripheral venous and arterial saturations. Generally, saturations are determined by isolating an indicator of venous or arterial blood volume in each of a plurality of PG waveforms and using the isolated indicators to determine saturation in the corresponding region of the vasculature. Indicators may include respiratory induced variations of AC and/or DC components of the PG waveforms, peaks of the PG waveforms, troughs of the PG waveforms, venous pulsations of the PG waveforms, etc. Indicators may further be isolated in either the time or frequency domain. The isolated indicators may advantageously be normalized, e.g., based on a baseline of the PG waveform or a derivative thereof.