| 摘要 |
1500678 Liquid transfer apparatus ABBOTT LABORATORIES 28 April 1975 [29 April 1974] 17617/75 Heading B8T An additive transfer unit for storing and transferring a medicament to a fluid container having a pierceable stopper comprises an additive container whose opening is sealed by a closure permanently affixed thereto and including a puncturable diaphragm, a mounting member having a central opening which receives a double-pointed piercing member having a passageway therethrough for the flow of liquid from the additive container to the fluid container, the piercing member having a contact surface which is engageable with the fluid container when the piercing member occupies a first position for entry through the closure of the fluid container and a second position for puncturing of the diaphragm, means being associated with the central opening and the piercing member to retain the piercing member in the central opening when the piercing member is withdrawn from the pierceable stopper of the fluid container. In the first embodiment (Fig. 2) the additive transfer unit 10 comprises a closure 11 and container 12. The closure includes a stopper 13 affixed to the fenisk of the container 12 by a ferrule 14 and having a central opening 19. A piercing pin 28 is slidable within the opening 19, has a point at both ends, and includes an annular projection 34, barbs 33 and a stop 36 with a contact surface 36a. A protective hood 40 is provided. In the second embodiment (Fig. 8) the stopper 13 is replaced by a stopper 55 and a tubular member 60 which slidably retains a piercing member 61. A double-ended needle 70 is fixedly retained within member 61. A contact surface 82 is provided on the tubular member 60 within which the piercing member 61 is retained by means of its enlarged diameter portion 73. |
