Hemostatic clip push-pull assembly with lock catch, hemostatic clip and tissue clipping device

The invention discloses a hemostatic clip push-pull assembly with a lock catch, a hemostatic clip and a tissue clipping device, which comprises a hemostatic clip body and a pull rod, and further comprises an elastic buckle connected with the hemostatic clip body to form a fixed end and a limiting piece connected with the pull rod, the free end of the elastic buckle is provided with a clamping hook which can be in a free state and a restrained state; when the pull rod is connected with the hemostatic clip body, the limiting piece presses the elastic buckle to enable the clamping hook to be in a restrained state, and when the pull rod is separated from the hemostatic clip body, the limiting piece is separated from the elastic buckle to enable the elastic buckle to be in a free state. When the hemostatic clip body is initially closed, the pull rod and the hemostatic clip body are still in a connected state, and an operator judges whether the clamping position needs to be adjusted again or not when feeling the pa