| 摘要 |
A safety needle device is provided having any elongated housing and a needle assembly movable within the elongate housing. Retraction structure is provided to move the needle assembly from an extended position relative to the elongate housing to a retracted position within the elongate housing. A blocking member is provided to immobilize the retraction structure prior to use. The blocking member is insertable between the retraction structure and the associated elongate housing and/or the needle assembly.
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