mitral valve dilator

例句：

1. 1. The mitral valve dilator is a device used to treat mitral valve disease.
   二尖瓣扩张器是一种用于治疗二尖瓣疾病的装置。
2. 2. The patient was prescribed the mitral valve dilator after undergoing surgery.
   患者在接受手术之后被开具了二尖瓣扩张器。
3. 3. The mitral valve dilator is an important tool in managing patients with mitral valve disease.
   二尖瓣扩张器是管理患有二尖瓣疾病患者的一个重要工具。