| 摘要 |
This invention relates to an ampule safety syringe which before and after use protects the needle from exposure. A syringe and ampule combination comprising: (a) an elongated plunger with a thumb press thereon; (b) a finger grip with an opening therein for slidably receiving therethrough the elongated plunger; the finger grip releasably engaging a first end of an ampule; (c) a hollow cylindrical ampule releasably affixed to the finger grip; (d) a plunger moveable piston located and slidably held in the interior of the hollow cylindrical ampule, the piston reciprocating along the longitudinal axis within the interior of the hollow cylindrical ampule; (e) an ampule cap affixed to a second end of the ampule; (f) a hollow needle with first and second pointed ends and having a needle hub between the first and second pointed ends; and (g) a fitting for enabling the needle hub to be releasably affixed to the ampule and cap.
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