Patent ID: 7833156

Claim:
A surgical access system comprising: an elongate support proportioned for insertion into a body cavity; an expandable frame supported by the elongate support, the frame expandable to an expanded position; and first and second tool cannulas each having a deflectable distal portion, the first and second tool cannulas pivotally coupled to the expandable frame such that the deflectable distal portions are distal to the distalmost portion of the frame, and a third tool cannula coupled to the frame, the third tool cannula longitudinally slidable relative to the elongate support between a first position and a second position to expand the frame to the expanded position, each tool cannula having a lumen for receiving a tool for performing a procedure within the body cavity; wherein the frame includes at least two frame members, each frame member having a first end pivotally coupled to one of the first and second tool cannulas and a second end pivotally coupled to the third tool cannula.