A kind of medical manipulator system( 1 )There is treatment tool channel including guiding device,It is inserted into main body( 31 )It is inserted into treatment tool channel,Power supply unit( 56 )And it can be from insertion main body( 31 ),Guide rail( 53 )Include first area,It corresponds to a state,Wherein main body is inserted into engaging portion( 31 )Positioned at the channel for the treatment of tool,A state corresponding with second area,Wherein joint portion exposed distal end is from treatment tool channel,Guide rail is for guiding power supply unit( 56 )Advanceing and retracing scheduled linear direction includes first area and second area,With insertion adjustment portion( 70 )Between boundary in first area,With the advance and retreat path unit of the power supply of second area( 56 )In guide rail( 53 )On,It is configured as adjusting insertion main body with regulating part( 31 )Movement from second area to first area in the state of,Wherein it is inserted into main body( 31 )It is connected to power supply unit( 56 ).