| 摘要 |
<p>Devices, systems, and methods are provided for accessing the interior of the heart, and performing procedures therein while the heart is beating. A tubular access device (22) is positioned through an intercostal space and through a muscular wall of the heart. The access device (22) includes a balloon or flange for sealing (32) the penetration to prevent leakage of blood. An obturator (52) is positionable in the access device, and includes cutting means (60) located at its distal end. Elongated instruments are introduced through the access device to perform surgical procedures including septal device repair, ablation, and electrophysiological mapping.</p> |
