| 摘要 |
A syringe (12) capable of injecting two substances (142, 152) sequentially is provided. The syringe (120) has first (140) and second (150) chambers capable of separately storing a contents of the syringe (120) before and during injection. The syringe (120) has an outlet (122) through which the contents stored in the first (140) and second chamber (150) flow during injection. After completing injection of the contents stored in the first chamber (140), the second chamber (150) is aligned with the outlet (122) to allow injection of the contents stored in the second chamber (150).
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