A tubular access sleeve and suction tool for accessing an anatomic surface or anatomic space and particularly the pericardium to access pericardial space and the epicardial surface of the heart in a minimally invasive manner are disclosed. A suction tool trunk extending through a suction tool lumen of...http://www.google.fr/patents/US6786898?utm_source=gb-gplus-shareBrevet US6786898 - Methods and tools for accessing an anatomic space