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    • 9. 发明申请
    • Occluder Pushing Device and Transport System
    • US20220361864A1
    • 2022-11-17
    • US17879534
    • 2022-08-02
    • Lifetech Scientific (Shenzhen) Co., Ltd.
    • Xiangdong LiuXianmiao ChenMingjuan Fu
    • A61B17/00A61B17/12
    • The present disclosure relates to an occluder pushing device and an occluder delivery system, wherein the pushing device includes a pushing component and a handle. The pushing component includes a pushing tube and a traction element slidably inserted into the pushing tube. The handle is fixedly connected to a proximal end of the pushing tube and internally provided with a moving component and a locking component. The moving component includes a translation mechanism and a rotation mechanism, where the translation mechanism is used to drive the traction element to move axially inside the pushing tube, and the rotation mechanism is used to drive the traction element to rotate axially inside the pushing tube. The locking component is used to lock relative positions of the traction element and the pushing tube, and the rotation mechanism includes a locking structure for locking or releasing linkage between the rotation mechanism and the traction element. The pushing device of the present invention has provided therein the locking component for locking the traction element and the pushing tube in relative positions, such that when the pushing tube pushes the occluder, the relative positions of the traction element and the pushing tube lock the occluder in a folded state, thereby preventing the occluder from being prematurely released before reaching a pre-determined position.