A surgical stapler for securing a prosthetic heart valve within a patient generally includes a first cylindrical portion for carrying at least one staple assembly on a distal end thereof; a second cylindrical portion positioned concentrically about the first cylindrical portion and having a camming arm...http://www.google.fr/patents/US6203553?utm_source=gb-gplus-shareBrevet US6203553 - Stapling apparatus and method for heart valve replacement
Stapling apparatus and method for heart valve replacement
