Safety remaining needle

The utility model relates to a safety remaining needle, include: keep somewhere needle tubing subassembly, transfer line subassembly and keep somewhere needle safety subassembly, it includes the needle cap, keeps somewhere the needle tubing and set up to keep somewhere the needle tubing subassembly the extension of keeping somewhere the needle tubing lower part, the needle cap sleeve is established keep somewhere on the needle tubing, the extension with it is provided with the sealing plug to keep somewhere between the needle tubing, the transfer line subassembly with it is linked together to keep somewhere the needle tubing, it sets up to keep somewhere needle safety subassembly extend the sheathed tube lower part, just it is used for preventing to extract pjncture needle and external contact to keep somewhere needle safety subassembly. The beneficial effects of the utility model are that: keeping somewhere needle safety subassembly through the setting, can hiding the pjncture needle at the cover intraductal