A retractor with multiple blades for use in surgery. The retractor may comprise first and second elongated portions which are pivotally connected to each other. A first blade may be connected to the first elongated portion and a second blade may be connected to the second elongated portion. The retractor...http://www.google.com.au/patents/US20050080320?utm_source=gb-gplus-sharePatent US20050080320 - Multiple-blade retractor