Internal fistula puncture is visor for needle

The utility model discloses an internal fistula puncture is visor for needle, in using, at first medical personnel stimulate the handle, it moves from top to bottom to make handle drive connecting rod do, it is synchronous, move from top to bottom through the connecting rod, it is clockwise rotation 90 to make the connecting rod stimulate the cardboard, medical personnel are again with the cage together with visor insertion needle department, make the visor cover the syringe needle, medical personnel are the hand handle of letting go again, under the effect of spring rebound power, make the cardboard to do counter -clockwise turning 90, the cardboard was laminated with the cage top surface mutually this moment, be that the cage card is died to the cardboard, through above motion mode, it dies finally to make the visor locked, this is the visor for the transfusion needle, and the device is also advantaged by ingenious structure, functions are powerful, the operation is thus simple, through using the device, th