#$%^&*AU2015203320A120150702.pdf#####ABSTRACT A method of surgery, comprising: making a first opening into a body cavity with a trocar introducing a surgical device shaft through a wall of the body cavity through a second opening in said wall of said body cavity separated from said first opening, so that a proximal portion of said surgical device shaft is external to said body cavity and a distal portion of said surgical device shaft is internal to said body cavity passing the distal portion of said surgical device shaft from within said body cavity through said trocar into the space outside of said body cavity, and there coupling a surgical device tool head to said surgical device shaft while said distal shaft portion is outside the body, then passing said surgical device tool head through said trocar to position said surgical device tool head within said body cavity, and using the assembled surgical device shaft and tool head to perform a surgical procedure within the body cavity. FIGURE 2218/28 400 -412 410 416 FIG. 22
