The present invention relates to a medical screw surgical device, a surgical robot having the same, and to a surgical method using a surgical robot provided with a medical screw surgical device, more specifically, the operation process is simple, the operation time is shortened, surgical tools It is simple and convenient to perform the operation and save the medical cost, medical screw surgical device that can not only perform pedicle screw insertion surgery quickly and conveniently using the robot, but also improve the accuracy of the operation The present invention relates to a surgical robot having a surgical robot having a medical screw surgical device. Medical screw surgical device according to the present invention is a medical screw surgical device, the surgical device body formed with an insertion path inside the rod-shaped body； An expansion member installed at a lower portion of the surgical device body and having a guide hole formed therein； A guide member movably installed in the guide hole of the expansion member； And a ball member installed in the insertion path of the surgical device body to control the shanghai movement of the guide member. Surgical robot with a medical screw surgical device according to the invention in the surgical robot having a robot arm, the support arm is installed on the robot arm； A surgical device fixing member installed on the support arm； It characterized in that it comprises the above-mentioned medical screw surgical apparatus installed on the surgical device fixing member.본 발명은 의료용스크류 수술장치, 이를 구비한 수술로봇, 및 의료용스크류 수술장치를 구비한 수술로봇을 이용한 수술방법에 관한 것으로서, 더욱 상세하게는, 수술과정이 단순하여 수술시간이 단축되고, 수술도구가 간결하여 편리하게 수술을 수행할 수 있고 의료비를 절감할 수 있으며, 척추경 나사못 삽입수술을 로봇을 이용하여 신속하고 편리하게 수행할 수 있을 뿐만 아니라 수술의 정확도를 향상시킬 수 있는 의료용스크류 수술장치, 이를 구비한 수술로봇, 및 의료용스크류 수술장치를 구비한 수술로봇을 이용한 수술방법에 관한 것이다.본 발명에 따른 의료용스크류 수술장치는 의료용스크류 수술장치에 있어서, 봉상몸체의 내부에 삽입통로가 형성된 수술장치본체； 상기 수술장치본체의 하부에 설치되고 내부에 안내공이 형성된 확장부재； 상기 확장부재의 안내공에 이동 가능하게 설치되는 가이드부재； 및 상기 수술장치본체의 삽입통로에 설치되어 상
