| 摘要 |
The invention relates to a delivery device for a monomer and comprises an elongate container (2). This is designed to enclose at least one ampoule containing the monomer. At one end the container (2) has a connection (2a) for delivering the monomer to a mixing device, pre-filled with a polymer, for the preparation of bone cement under vacuum. At its other end the container (2) has a cap (2b). In the container wall there is an air inlet aperture (2c). There are also manually actuatable elements for opening at least one ampoule (3a, 3b). The cap (2b) is removable from the container (2) and has holding elements (3) designed by means of a positively interlocking engagement to hold fast an ampoule neck (3al, 3bl) inserted into the said holding elements (3). The said opening elements comprise a knob (4), which is in threaded engagement (4a) with a draw rod. The remote end (1) of the draw rod (5) extends past the base (3a2, 3b2) of the said ampoule(s) (3a, 3b) and has a spike (6) pointing towards the base (3a2, 3b2) of each ampoule, it being possible to make the spike penetrate the base (3a2, 3b2) by turning the knob (4). |
