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. 23, 2024
Filed:
May. 31, 2021
Coroventis Research Ab, Uppsala, SE;
Nico H. J. Pijls, Waalre, NL;
Bernard De Bruyne, Kraainem, BE;
Coroventis Research AB, Uppsala, SE;
Abstract
The invention relates to a method for determining the microvascular resistance reserve, MRR, in the myocardium perfused by a normal or a stenotic coronary artery of a human patient, which method comprises the step of during rest condition of the patient: measuring the blood flow, Q, through the coronary artery; and further comprising the step of during rest condition or during maximum hyperemia of the patient: measuring the blood pressure, P, at a position proximal in the coronary artery or proximally of any stenosis, if present; and further comprising the steps of during maximum hyperemia of the patient: measuring the blood flow, Q, through the coronary artery; and measuring the blood pressure, P, at a position distal in the coronary artery or distally of any stenosis, if present, and wherein the microvascular resistance reserve, MRR, is determined by the additional step of calculating the microvascular resistance reserve as