Abstract
This research investigated whether the Sprotte needle causes less leakage of CSF than the Quincke needle in the artificial spinal cord. The changes in intradural pressure, extradural pressure, and leaked volume of CSF were evaluated following puncture with Sprotte and Quincke needles in the artificial spinal cord. The decrease in intradural pressure was 9.7±1.8 mm H2O with the Sprotte needle and 20.5±2.7 mm H2O with the Quincke needle (P<0.05). The volume of leakage of artificial CSF was 2.0±0.3 ml with the Sprotte needle and 3.3 ±0.3 ml with the Quincke needle (P<0.01). The extradural pressure increase was 166.1±8.2 mm H2O with the Sprotte needle and 186.8±13.2 mm H2O with the Quincke needle (P<0.05). The Sprotte needle produces less CSF leakage than the Quincke needle.
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