Stretchable cuff device

The invention features a cuff device comprising a support having a first end, a second end and an elongated body in between; connection means for electrical, magnetic and/or fluidic magnetic connection with external devices; at least one of i) an electrode and/or electronic component operatively connected with said connection means configured to electrically interface with a biological tissue and ii) a channel having an inlet, an outlet and an elongated body in between operatively connected with said connection means via said inlet and configured to fluidically interface with a biological tissue via said outlet; and at least one buckle configured to receive said first end and permit the sliding therein of said elongated body so to close and lock the cuff electrode device at desired positions, characterized in that said support is stretchable.