The invention relates to a retractor for use in endoscopic surgery, comprising a shaft having a hand piece arranged on the proximal end thereof and whose distal end can be moved out of an initially extended and straight position, whereby the adjustable distal end consists of several link elements that...http://www.google.es/patents/US6705989?utm_source=gb-gplus-sharePatente US6705989 - Retractor for use in endoscopic surgery and medical instrument for introducing a retractor and method for the use of a retractor in endoscopic surgery
Retractor for use in endoscopic surgery and medical instrument for ...
