The invention provides a surgical electrocautery method and apparatus that achieves sealing along the entire tissue length, and that also is able to deliver adequate force to produce an effective electrocautery seal. This problem is solved by using an incompressible fluid contained in a sac or sacs positioned...http://www.google.se/patents/US7803156?utm_source=gb-gplus-sharePatent US7803156 - Method and apparatus for surgical electrocautery
