CPC A61B 17/3474 (2013.01) [A61B 17/00234 (2013.01); A61B 17/3423 (2013.01); A61B 2017/003 (2013.01); A61B 2017/00247 (2013.01); A61B 2017/3425 (2013.01); A61B 2217/007 (2013.01)] | 22 Claims |
1. A method for performing a therapeutic intervention in a pericardial space of a heart, the method comprising:
delivering a catheter into a right atrium of the heart;
steering the catheter within the right atrium so that a distal end of the catheter is positioned adjacent an access site in the right atrium;
anchoring the distal end of the catheter in a heart wall of the right atrium adjacent the access site including engaging the heart wall with an anchoring member that is disposed within a lumen of the catheter;
inverting the heart wall at the access site to separate an exterior surface of the inverted heart wall from contact with parietal pericardial tissue;
penetrating the inverted heart wall at the access site to provide access to the pericardial space of the heart including extending a needle through the inverted heart wall; and
delivering a device through a penetration in the inverted heart wall to perform the therapeutic intervention in the pericardial space of the heart.
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