Anti-thrombotic safety cap for venous indwelling needle and using method thereof
A technology of venous indwelling needles and safety caps, which is applied in the field of medical devices, can solve the problems of harming human health, entry of fibrous foreign matter, and increased processing difficulty, and achieve the effects of avoiding pollution, easy to grasp, and preventing cross-infection
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[0034] Such as Figure 1-Figure 20 As shown, the anti-thrombotic safety cover for venous indwelling needles of the present invention includes a sealing cover made of elastic medical materials and a cover base body 1 which is placed on the infusion cavity port of the indwelling needle base and is integrated with the cover base body 1 A molded connecting body 2 that can be connected to the outer wall of the infusion cavity of the indwelling needle holder. The cover body 1 is provided with a closed liquid storage cavity 13 for generating positive pressure in the cavity, and the bottom surface of the liquid storage cavity 13 It is a sheet-like structure. The micropores formed after the sheet-like structure is pierced by the puncture needle are formed into a microporous permeable structure through its own elasticity. When the puncture needle is pulled out, the micropores automatically collapse and effectively prevent The blood in the indwelling needle hose flows back, and when the p...
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