| 摘要 |
A medical device particularly adapted for use with a blood collection tube including a nonlinear needle having first and second needle points wherein the first needle point is selectively protected by a movable needle guard and the second needle point is designed to pierce the stopper of an evacuated blood collection tube. The needle guard is movable axially along a portion of the nonlinear needle between a needle tip exposing retracted position and a needle covering locked extended position. |
