| abstract |
The invention belongs to medical appliance fields, and in particular to one kind can survey the lumbar puncture needle of oxygen partial pressure of cerebrospinal fluid and biochemical indicator, including syringe needle 1, syringe 2, pushing mechanism 3 and seal wire 4.Syringe needle 1 is hollow cavity, and syringe needle 1 is equipped with scale 101, and pushing mechanism 3 includes push rod 301 and piston 302, and piston 302 is set in syringe 2, and syringe needle 1 is connect with 2 front end of syringe, and 2 front end of syringe is equipped with detachable cap 202.Lumbar puncture needle disclosed by the invention can acquire cerebrospinal fluid in the absence of air conditions, easy to operate, using safe, can achieve the purpose that accurately to measure partial pressure of oxygen and biochemical indicator, and have both drug injection function. |