The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 03, 2012
Filed:
Mar. 26, 2009
Robert F. Donehoo, Colgate, WI (US);
Lawrence T. Hersh, Milwaukee, WI (US);
Sai Kolluri, Mequon, WI (US);
Robert F. Donehoo, Colgate, WI (US);
Lawrence T. Hersh, Milwaukee, WI (US);
Sai Kolluri, Mequon, WI (US);
The General Electric Company, Schenectady, NY (US);
Abstract
A method and system for operating a non-invasive blood pressure monitor that utilizes an SpOplethysmograph waveform to determine the initial inflation pressure for the NIBP monitor. A pulse sensor is placed on the patient's limb distal to the blood pressure cuff and provides a pulse waveform to the NIBP monitor. The NIBP monitor calculates a second derivative of the pulse waveform, which includes a series of acceleration peaks corresponding to pulse signals within the pulse waveform. When the blood pressure cuff reaches systolic pressure, the acceleration peaks contained within the acceleration waveform are eliminated, thus providing an indication that the cuff pressure has reached systolic pressure for the patient. Use of the SPOplethysmograph signal to determine the initial inflation pressure reduces both the over-inflation of the blood pressure cuff and the under-inflation of the blood pressure cuff, which increases the rate at which the blood pressure measurement can be made while increasing patient comfort.