Patent ID: 6811545
Filing Date: 2004-11-02
Classification: A61M

Abstract:
A safety needle comprisinga housing; a blunt cannula mounted in and extending from said housing; a slider movably mounted in said housing and on said blunt cannula for movement between a locked position and an unlocked position; a needle mounted in and extending from said slider in concentric relation to said blunt cannula, said needle having a sharpened end projecting beyond said blunt cannula in said locked position of said slider and retracted over said blunt cannula in said unlocked position of said slider; a spring in said housing for biasing said slider from said locked position towards said unlocked position; a manually operated actuator movable between a first position blocking movement of said slider from said locked position to said unlocked position and a second position allowing movement of said slider from said locked position to said unlocked position under a biasing force of said spring.