| 摘要 |
A connector member for providing a fluid flow path comprises a transparent housing composed of elements 60, 62, enclosing opaque barrier membrane means 66 blocking flow through said flow path, said barrier membrane means being adapted to be openable by exposure to radiant energy from the exterior through said transparent housing, the improvement comprising, in combination, said barrier membrane means being made of an at least partially crystalline thermoplastics material. <IMAGE> |
