Continuous injection of 0.5% preservative-free Xylocaine was used during the advancement of the Tuohy needle into the deeper spinous tissues
Empiso ya Xylocaine etaliimu 0.5% obutasalako yakozesebwa mu kiseera ky’okukulaakulana kw’empiso ya Tuohy mu bitundu by’omugongo ebizito