Patent ID: 8529554

Claim:
A medical system comprising: plural types of treatment instruments provided with different treatment sections and having different installation distances of operation portions for operating the treatment sections; a treatment instrument operation unit provided with a drive unit for driving the operation portion of the treatment instruments, an operation portion installation section provided to the drive unit, to which the operation portion is attached, and a command signal output section for outputting an installation start signal indicating a start of the treatment instrument installation upon installation of the operation portion in the operation portion installation section; and a controller to which the treatment instrument operation unit is connected, which includes: a treatment instrument information memory unit for storing data of the treatment instrument information including an installation distance indicating a position of the operation portion preliminarily set depending on the type and the model of the treatment instrument, and a maximum displacement distance; and a signal output section for obtaining the treatment instrument information corresponding to the installation start signal from data of information with respect to the treatment instruments stored in the treatment instrument information memory unit to output a control signal to the drive unit based on the installation start signal outputted from the command signal output section; wherein the operation portion is an operation handle having a thumb ring and a slider, the operation portion installation section includes a first holding portion for holding the slider which forms the operation handle, and a second holding portion for holding the thumb ring which forms the operation handle; and the drive unit moves one of the first and the second holding portions based on the control signal outputted from the controller to the drive unit to set a distance between the thumb ring and the slider which form the operation handle to the installation distance.