Self-locking medical puncture needle and usage method
A puncture needle and self-locking technology, which is applied in the field of self-locking medical puncture needles, can solve problems such as the inability to fix the needle wings of venous needles, patient injuries, and changes in the inner diameter of the hose, so as to avoid sharp instrument stabbing accidents and solve problems. Effect of high temperature deformation and reduction of product loss
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[0027] like Figure 1 to Figure 8 As shown, the self-locking medical puncture needle includes a puncture needle steel needle 1, a puncture needle holder 2, a hose 3, and a safety device 4, and the puncture needle holder 2 includes an injection-molded integrated puncture needle holder 2-1 And the puncture needle wing 2-2, the rear end of the puncture needle holder 2-1 is sleeved with the hose 3; the safety device 4 is composed of a strip bottom support 4-2 and a loam cake 4-1, the strip bottom support 4-2 It is integrated with the upper cover 4-1 through injection molding of two plastic hinges 4-3, the upper cover 4-1 is a U-shaped strip, and a cantilever hook is respectively arranged on the walls on both sides of the tail end of the upper cover 4-1 4-1-5, on the surface of the tail end of the strip bottom bracket 4-2, two rectangular holes 4-2- that match the two cantilever hooks 4-1-5 of the upper cover 4-1 are respectively provided 2. When the cantilever hook 4-1-5 is faste...
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