| 摘要 |
<p>A needle (11) for a hypodermic syringe is a force fit on a hub (12) which can be secured onto a container for the fluid to be injected. A cover (13) fits over a bos on the hub and provides an enclosure for the needle. The assembly of hub, needle and cover are housed in a container (14) which fits around the hub (12). To control the depth of penetration of the needle, the user selects an adjuster (15) from a set of adjusters of different sizes and fits it over a part of the hub.</p> |
