Novel artery puncture remaining needle
The utility model discloses a novel artery puncture indwelling needle which comprises a sheathing canal (1) and a puncture needle (2), a main channel (11) and a side channel (12) are arranged in the sheathing canal (1), a rotating valve located at the joint of the main channel (11) and the side chan...
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Format: | Patent |
Sprache: | chi ; eng |
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