In an organ retractor including a shaft defining a longitudinal axis and a longitudinal plane, and at least one organ support assembly operatively coupled to the shaft. The organ support assembly includes a plurality of ribs having a first position, in which each of the plurality of ribs is parallel...http://www.google.com.au/patents/US7445598?utm_source=gb-gplus-sharePatent US7445598 - Endoscopic organ retractor and method of using the same
