Asymmetric double-plate-type left auricle occluder

The utility model relates to an asymmetric double-plate-type left auricle occluder comprising an atrium sinistrum velum piece (1), a waist joint (2) and a left auricle velum surface (3). The atrium sinistrum velum piece (1), the waist joint (2) and the left auricle velum surface (3) are reticulate structures woven by alloy wires; the atrium sinistrum velum piece (1) adopts a disc structure, the disc surface is arc-shaped, the center is inner concaved, a loop (4) is arranged in the center of the disc, and a PTFE (Polytetrafluoroethylene) membrane is sewn inside the disc; the left auricle velum surface (3) takes the shape of a horn; the atrium sinistrum velum piece (1) and the left auricle velum surface (3) are connected through the waist joint (2); and the alloy wire adopts Ni-ti alloy. The occluder can help to treat thrombi caused by atrial fibrillation.