The present invention provides a group or kit of surgical instruments for use in minimally invasive surgical procedures. In one embodiment, the invention is an instrument with a generally central longitudinal axis and a generally toroidal surface generally transverse to the axis, wherein the convex portion...http://www.google.fr/patents/US6755815?utm_source=gb-gplus-shareBrevet US6755815 - Surgical instruments for minimally invasive surgical procedures
Surgical instruments for minimally invasive surgical procedures
