| 摘要 |
<p>A syringe comprising a barrel (1) in operative interconnection with a hollow needle (4) and a piston (2) therefor, said piston and barrel assembly being provided with cooperating surfaces adjacent the base of the hollow needle to reduce residual volume; characterised in that the piston is provided with a projection (7) adapted to fill the hollow space between the base of the needle and the cooperating surfaces when said cooperating surfaces are in abutment.</p> |
