ACTIVE MEDICAL DEVICE TYPE-IMPLANTABLE HEART PROSTHESIS FOR THE TREATMENT OF HEART FAILURE BY CONTROLLED ADAPTATION OF ATRIOVENTRICULAR AND INTRAVENTRICULAR BLEACHING TIMES

摘要

The device has an adjusting unit for adjusting atrioventricular and interventricular delays based on hemodynamic parameters of a patient. A verifying unit, that is operated on cardiac cycles in a repeated manner, verifies concordance of the hemodynamic parameters with a predetermined criteria, where the criteria includes comparison of ratio between left ventricular pre-ejection interval and left ventricular ejection time with a maximal threshold value, and comparison of diastic filling time with the maximal threshold value.