The supply of sterile disposable vaginal dilator ( medical supplies )
供应一次性无菌阴道扩张器(医用耗材)
The outermost dilator can be used as a protective sleeve during pedicle tapping .
在进行椎弓根攻丝时，最外面的扩张器可起到保护性套筒的作用。
Efficacy and safety comparison of traditional dilator therapy and retrievable esophageal covered stent therapy in the treatment of benign esophageal stenosis under endoscope .
