A pericardiocentesis apparatus and method for accessing the pericardial space. The invention consists of inserting a percutaneous tube whose tip has a hole which is positioned over and contacts the anterior pericardium. Introducing a vacuum within said tube forms a pericardial bleb within that hole....http://www.google.se/patents/US6162195?utm_source=gb-gplus-sharePatent US6162195 - Method and apparatus for accessing the pericardial space
