In accordance with the present invention, there is disclosed surgical methods and apparatus for accessing and stabilizing the heart. The methods and apparatus facilitate access to an anastomosis site, allows various instruments or devices to be maneuvered and secured in place, and provide stabilization...http://www.google.fr/patents/US6231506?utm_source=gb-gplus-shareBrevet US6231506 - Method and apparatus for creating a working opening through an incision
Method and apparatus for creating a working opening through an incision
