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:
Apr. 18, 2006
Filed:
Aug. 06, 2003
Applicant:
Börje Rantala, Helsinki, FI;
Inventor:
Börje Rantala, Helsinki, FI;
Assignee:
Instrumentarium Corporation, Helsinki, FI;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 5/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention concerns a method and a system for measuring non-invasively a blood pressure of a patient. The method comprises the steps of: determining () a mechanical heart beat starting time point from an impedance cardiogram signal, detecting () a heart beat pulse arrival time at a peripheral site of the patient, calculating () a pulse wave transit time from the heart to the peripheral site by utilizing said mechanical starting point of the heart beat and said heart beat pulse arrival time,