... treatment. L,M,S available OEM service Product name: Vaginal speculum, Vaginal specula, Vaginal Dilator.Type: Pull-push type ,middle screw ... read the usage manual, and then take the speculum, push the duckbill of speculum which is closed into the vagina.Open the ... . Reuse is prohibited.Sterilization guaranteed if package unopened. Use the speculum immediately after opened.Stored in a cool and dry place ...