#$%^&*AU2016204386A120160714.pdf#####HAND-ACTUATED ARTICULATING SURGICAL TOOL ABSTRACT A double cylinder system, comprising: at least one controller (1320) being adapted to transmit control signals, said controller (1320) further comprises: a control cavity and a first piston within said control cavity, said first piston dividing said control cavity into a first control cavity portion (1318) and a second control cavity portion and preventing communication between said first control cavity portion and said second control cavity portion at least one slave (1310) being in communication with said controller (1320) and being configured to respond to said control signals transmitted by said controller (1320), said slave (1310) comprising a slave cavity and a second piston (1314) within said slave cavity, said second piston (1314) dividing said slave cavity into a first slave cavity portion and a second slave cavity portion and preventing communication between said first slave cavity portion and said second slave cavity portion and at least one control line providing communication between said first control cavity portion and said first slave cavity portion and at least one control line providing communication between said second control cavity portion and said second slave cavity portion.
