Elements of technical realization of a stab-proof lancet

Technical implementation elements:

3. The purpose of the present utility model is to provide a puncture-proof lancet to solve the problems raised in the above-mentioned background technology.

4. The present utility model provides the following technical solutions: a stab-proof blood collection needle, comprising a connecting head, one end of the connecting head is sleeved with a first connecting hose, and the other end of the first connecting hose is sleeved with a The second connecting hose, the other end of the connecting head is fixedly installed with a stab-proof ring, a needle and a squeeze plate, and the other ends of the two adjacent stab-proof rings are fixedly installed with a fixing plate, the connecting head, The first connecting hose, the second connecting hose and the needle communicate with each other.

5. Preferably, the inside of the fixing plate is respectively provided with a needle head through hole matching the needle head, and an extrusion plate through hole matching with the extrusion plate.

6. Preferably, a return spring is provided inside the stab-proof ring, and the return spring is fixedly connected to one side of the connecting head and the fixing plate respectively.

7. Preferably, the needles, the stab-proof ring and the pressing plate are distributed in sequence from the inside to the outside, and each of the pressing plates is movably connected with the stab-proof ring.

8. Preferably, the fixing plate is arranged in a circular shape, and the through holes adjacent to the extrusion plate are located on opposite sides of the needle through holes.

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