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Disposable Safe Vein Transfusion Puncture Needle

A disposable safe vein transfusion puncture needle comprising a needle head (4), a needle base (3), a needle sheath sleeved on the needle head (4), and a hose (6) communicated with the needle base (3), and further comprising a plurality of slidable components (1, 2) and a plurality of limiting mechanisms (11, 12, 13, 21, 31, 32), wherein the needle base (3) is in a tubular shape, with one end stationary and communicated with the needle head (4) and the other end connected to the hose (6); each of the slidable components (1, 2) is in a tubular shape and has two open ends, the plurality of slidable components (1, 2) are sleeved on one another, the innermost slidable component (1) is movably sleeved onto the needle base (3), and a sum of lengths of the plurality of slidable components (1, 2) in a moving direction is longer than the length of the needle head (4); the limiting mechanisms (11, 12, 13, 21, 31, 32) are disposed on the plurality of slidable components (1, 2) as well as on the needle base (3). By providing a plurality of slidable components (1, 2) sleeved on the needle base (3) in a layered manner, the operating portion length of the disposable safe vein transfusion puncture needle is made shorter, and by unfolding the slidable components (1, 2) layer by layer so as to shield the needle head (4) during use and after use, the safety level is increased and the pain suffered by the patient is alleviated.
Owner:SHANGHAI JINTA MEDICAL
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