Body cavity closure device and its operating lever

Abstract

Operating lever for a body cavity closure device, characterized in that it comprises a fixing tube (100) and a pull tube (500), wherein the distal end of the fixing tube (100) is designed for connection with the guide wire sleeve (620) of the body cavity closure device, while the proximal end of the pull tube (500) is designed to fix the guide wire (610) of the body cavity closure device; wherein the cavities inside the pull tube (500) and the fixing tube (100) are designed to receive and constrict the guide wire (610); wherein the pull tube (500) is slidably mounted on the fixing tube (100), and when the pull tube (500) slides relative to the fixing tube (100), the pull tube (500) is able to pull or push the guide wire (610).