Disposable anti-needle indwelling needle
An anti-acupuncture, disposable technology, applied in the direction of needles, instruments introduced into the body, etc., can solve the problems of inconvenient use and insufficient safety of anti-acupuncture venous indwelling needles, to avoid cross-infection of blood and bacteria, easy to operate, The effect of low production cost
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[0020] Below in conjunction with accompanying drawing and embodiment the structure of the present invention will be further described:
[0021] Marks in the figure: 1, coat; 11, protrusion; 12, clamping position; 2, spring piece; 21, retainer; 22, elastic arm; 23, protrusion; 24, center hole; 25, protrusion; 3, Needle tube; 31, enlarged diameter; 32, needle tip; 4, catheter seat; 41, recessed; 5, spring leaf; hole; 55, raised.
[0022] exist Figure 1 to Figure 6 Among them, the present invention as one of the embodiments includes a catheter adapter 4, a needle tube 3 installed inside the catheter adapter 4, and an anti-needle protection device for protecting the needle point 32 on the needle tube 3, and the anti-needle protection device consists of The jacket 1 which acts as a safety sheath is composed of a spring leaf 2. There is no less than one elastic arm 22 on the spring leaf 2. At least one blocking piece 21 is arranged on the elastic arm 22. The blocking piece 21 is ...
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