| 摘要 |
<p>The present invention relates to an Injection assistance device (1) for an injection device (3) comprising a body (2) a needle (7), characterized in that it comprises at least: a hollow sleeve (4) receiving the body (2), final protection means (4) of the needle (7), coupling means (10) to move the said piston plunger and to perform the injection, automatic-insertion means (83) of the needle (7), automatic-activation means (83) for activating the final protection means (4) at the end of injection, automatic-injection means (83) for performing the injection, - said automatic-insertion means, automatic-activation means and automatic-injection means being activated by a single elastic return means under the form of a single spring (83). The invention also relates to an injection set (100) comprising an injection device (3) and the said injection assistance device (1).</p> |
