Patent ID: 9149631
Filing Date: 2015-10-06
Classification: A61N

Abstract:
1. A cardiac lead placement method, comprising: positioning at least one reference sensor at a right heart location of a patient's heart, the right heart location in either a right atrium or a right ventricle; advancing a cardiac lead apparatus comprising at least one lead apparatus sensor to a plurality of left heart locations, the plurality of left heart locations in either a left ventricle or a coronary venous pathway; for each of the plurality of left heart locations, measuring, using the reference sensor and the lead apparatus sensor, a distance parameter indicative of a distance between the at least one reference sensor at the right heart location and the at least one lead apparatus sensor at the left heart location; determining which of the plurality of left heart locations is furthest from the right heart location based on the distance parameter measured for each of the plurality of left heart locations; selecting one of the plurality of left heart locations as a pacing site, the selected left heart location selected based on having been determined to be the furthest from the right heart location relative to the other of the plurality of left heart locations; and producing a physician perceivable output indicating the selection of the one of the plurality of left heart location as the pacing site.