Aspiration marrow puncture needle

A suction type bone marrow puncture needle, include: needle, needle, rotating, the lining core, described the needle with needle fixed connection, described described was fixed on the core set in the center of the rotator described, needle base including the handle, the tail, scale, described the handle described in the tail and carry between scale and scale on the activities described connected with positioning pins, described the tail with rotator described card buckle And the lining core is arranged in the needle tube with the shaft sleeve. By this way, the utility model is used in the human body bone puncture, extraction of bone marrow or injection solution, its structure is simple, the lining core and stable connection of needles and syringes and lining core is a solid edge sharp, adjusting nut adjustable needle length, with a clear scale mark, puncture depth control, can be equipped with the needle according to different situations, less sample consumption.

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