| 摘要 |
A needle holder positioning structure for a safety syringe includes a syringe with a neck portion having a top end forming a positioning projecting ring, an inner edge of a lower end of the neck portion upwardly and integrally formed with a forked elastic sleeve, with a rear end inwardly forming hook members, a bottom end of a needle holder for receiving a needle being inwardly provided with a flared hole having a rear end forming an enlarged opening, the bottom end of the needle holder being outwardly provided with a guide face, and an outer side formed with depressions corresponding to the hook members.
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