Pierceable cap having piercing extensions for a sample container

摘要: A pierceable cap may be used for containing sample specimens during storage and transport. The prevent unwanted escape of specimen before transfer with a device. fit over vessel. An access port in the allow passage tip device though cap. frangible layer disposed across port. One or more extensions proximate to coupled by coupling regions other similar devices. one extension rotate around insertion movement pierce create airways air from vessel at reduced velocity.