| 摘要 |
PURPOSE: A device for controlling needle length of a blood lancet is provided to simply and accurately control the needle length by visually examining and selectively regulating a needle-length regulating mechanism and also universally by installing a needle fixture into a general blood lancet without a function for regulating the needle length. CONSTITUTION: The device for controlling needle length of a blood lancet includes: a body; a lower cover with an opening, screw-connected to the lower end of the body; an upper operating mechanism; a hitting member(6), arranged inside the body and operated according to the push operation of the upper operating mechanism to project a bleeding needle to the outside so that the needle is inserted into the skin and bleeds the latter; a stimulating and bleeding member(10), selectively inserted into the lower end of the hitting member(6); and a needle-length regulating mechanism(20), screw-connected to the stimulating and bleeding member(10), and regulating the length of the bleeding needle(14) to be penetrated through the inside and projected to the outside. |
