Transparent hub, easy to observe the cerebrospinal fluid discharge.
Needle core hub with lock can keep the surface of needle bevel joint well

Special design for needle point will not hurt the hard spinal theca, clos puncture hole automatically and reduce cerebrospinal fluid discharge.
Suitable shape and location of side hole ensure enough flux, meanwhile reduce the happening of faulty retardarce.

Spec. From 14G to 27G