A medical device for causing the hemostasis of a blood vessel for use through an endoscope, said medical device comprising a handle (1), a sheath device (2), which is attached to the handle (1), a clamp device (3) including a clamp base (6) in particular in the form of a sleeve provided on the distal end of the sheath device (2) and at least or exactly two clamp arms, a control wire (4) extending through the sheath device (2) and reversibly movable in the distal an proximal directions and an actuator (5) coupled to the proximal end of the control wire (4) and actuable to reversibly move the control wire (4) in the distal and proximal directions.
