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。

Methods: a new self - manufactured LAA occluder was implanted into the LAA through a transseptal catheter in 20 dogs.

youdao

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。

Methods: a new self - manufactured LAA occluder was implanted into the LAA through a transseptal catheter in 20 dogs.

youdao