Doric Assisted Electrical Rotary Joint comes with 12 electrical contacts and a 6 mm inner diameter through hole to pass fiber-optic patch cords or fluid tubings. Compared to our passive Electrical Rotary Joint, the motor Assisted Electrical Rotary Joint is effectively frictionless, thus allowing its use with animals of small weight like mice.
keyword : optogenetics, commutator, rotary joint, doric