| 摘要 |
<p>The invention concerns a syringe comprising a tubular piece (14) enclosing the syringe body (2) and driving the syringe plunger (7) stem (6). During injection, the tubular piece (14) slides forward in the body (2). After injection, the tubular piece (14) is disengaged from the stem (7), and its front part can continue to slide to sheathe the needle (3). Fig. 1.</p> |
