Freezing defibrillator for cardiac surgery

The invention discloses a freezing defibrillator for cardiac surgery, which belongs to the technical field of medical instruments, and aims to solve the problems that tissues are easily burnt, disability is caused and thrombus risks are caused in an electric shock treatment method in the prior art. The freezing defibrillator comprises a freezing airflow guide pipe, the freezing airflow guide pipeis of a cylindrical structure, and an opening in one end of the freezing airflow guide pipe serves as an outflow opening; an inflow adjusting structure is connected with the other end of the freezingairflow guide pipe, the inflow adjusting structure is connected with external freezing air supply equipment through a flow guide pipe, and the amount of freezing air flowing into the freezing airflowguide pipe is adjusted through the inflow adjusting structure; a backflow body is coaxially arranged outside the freezing airflow guide pipe; wherein a freezing cap is detachably connected with the end, close to the flow outlet