The present invention relates to a medical device, comprising: a flexible elongate member including a longitudinal axis； a tool connected to the elongate member at a pivot axis, wherein the tool is configured to conduct electricity and deliver a fluid, and wherein the tool is configured to pivot towards either side of the longitudinal axis relative to the elongate member at the pivot axis； and a flexible delivery tube fluidly coupled to the tool, wherein the delivery tube is configured to deliver fluid to the tool, and the delivery tube provides an electrical pathway to the tool.
