Handheld laparoscopic surgical instrument

The invention discloses a handheld laparoscopic surgical instrument which comprises a continuum actuator and a driving handle, the continuum actuator and the driving handle are of a separated structure, the driving handle is used for driving the continuum actuator, the continuum actuator has seven degrees of freedom, and the driving handle is held and operated by a user; the number of the surgical instruments is two, and the surgical instruments are used for achieving single-hole double-instrument operation and achieving double-instrument cooperative operation under a single incision or a natural cavity of a human body. According to the laparoscopic surgical instrument, a user can move by holding the handle with a hand to enable the wrist movement to correspond to the movement of an end effector of a laparoscope, so that the laparoscopic surgical instrument is easy to operate and control and easy to use, and the laparoscopic surgical instrument can provide seven-degree-of-freedom movement and can meet most of