A tissue welding apparatus is adapted to fuse a first piece of tissue to a second piece of tissue which are disposed in a surface proximate relationship. An elongate shaft carries a first jaw, and a second opposing jaw moveable relative to the first jaw. At least one penetrating member is carried by...http://www.google.se/patents/US7625370?utm_source=gb-gplus-sharePatent US7625370 - Tissue fusion/welder apparatus and method