Methods: a new self - manufactured LAA occluder was implanted into the LAA through a transseptal catheter in 20 dogs.
方法:用自行研制的新型左心耳封堵器经导管封堵20只犬的左心耳。
Objective: To evaluate the feasibility, safety and biocompatibility of a new LAA occlusion device by transcatheter in an experimental canine model(in vivo).