| 摘要 |
A releasable adapter for coupling a hypodermic syringe and a medicinal vial having a pocket underlying a seal and separate from the chamber of the vial, characterized by a releasable primary attachment connected to and centering the adapter positioned on the vial, and a secondary attachment connected to and centering the syringe with the vial before the syringe needle pierces the seal and with limited projection of the syringe needle into said pocket, for withdrawing liquid when inverted as a unit.
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