METHODS FOR ENDOCARDIAC ABLATION

摘要

The present invention is directed to methods and devices for performing endocardiac ablation The methods rely upon access to the intepor of the heart through the wall of the heart at its apex The procedure generally includes first gaming access to the patient's chest cavity through the chest cavity The patient's heart wall is pierced to provide a passageway through the heart wall to the left or right ventpcle The passageway is formed through a region ofthe heart wall at or near the apex ofthe patient's heart.