dilater

1. The utility model discloses a cunt dilater and consists of a maxilla, a chin and a connecting item.
   本实用新型公开了一种阴道扩张器，由上颚、下颚以及连接部件构成。
2. Application of portable esophageal dilater in treatment of esophageal stenosis at home
   家用便携式食管扩张器及家庭自助扩张法在食管狭窄治疗中的应用

noun

1. a surgical instrument that is used to dilate or distend an opening or an organ

   Synonym:    dilator