A laminectomy forceps having a cutting unit with a fixed beak and a sliding tray slidingly mounted on the fixed beak, an actuation lever to actuate the sliding tray, a handle in opposed position to the actuation lever and joined to an external frame joined to the fixed beak, a lever mechanism connected to the actuation lever and to the sliding tray, the lever mechanism including a first lever shaped as a straight bar, a second lever shaped as a straight bar and having a first arm between a fulcrum and a first end and a second arm between the fulcrum and a second end and a third lever shaped as a straight bar connected to a stem intended to push the sliding tray.