| 摘要 |
PURPOSE: A retractable needle-safety blood sampling apparatus is provided to retract a double type hypodermic needle with acuminate-tip according to the spontaneous actuation of the needle. CONSTITUTION: A channel is directed in a longitudinal direction toward a first channel opening. The first channel opening is spaced apart from a second channel opening. A needle holder(30) is attached to a needle. The needle holder is arranged in the channel to be movable between a first location and a second location. An upper plate is movably arranged on a body(24). An actuator plate(90) is movable between the first location, the second location, and a third location. |
