Safety shape destruction medical needle
A safe and needle-tube technology, applied in the field of medical needles, can solve the problems of increased production cost, high practicality cost, hindered promotion, etc., and achieve the effects of improved product cost performance, reasonable production process, and strong clinical practicability.
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[0021] see first figure 1 As shown, the safety medical needle of the present invention is composed of a sheath 1, a needle tube 2, a needle seat 3 and a protective cover 4, and is characterized in that: please refer to image 3 , the needle tube 2 can be an ordinary needle tube with a needle tip 21, or a needle tube with a needle tube positioning structure 22 at the rear, and this positioning structure 22 is a special shape structure or a tube wall defect at the rear of the pointer tube 2; Figure 4 , 5 , the needle base 3 is composed of front, middle and rear parts, in which there is a conduit 31 which runs through longitudinally and has two ports open, and the front port 311 of the conduit 31 is in the shape of a bell mouth, which is used for holding glue and fixedly inserting into the needle base 3 The needle tube 2 inside; the front part of the needle seat 3 is a needle tube fixing section 32, and the inner catheter part has a cavity complementary to the needle tube posit...
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