消除灼痛是食管调搏中的一个技术难题。笔者通过经改制的双极食管导管注射地卡因,取得了满意的止痛致果。现将方法介绍如下。选用国产双电极食管导管。在导管第2个电极上端约1.5—2cm处开一个7号注射针头大小的孔;在导管的另一端(联机器端)适当部位开第2个孔;将手术麻醉用的硬膜外导管插入第2个孔内,插入一定深度 Elimination of burning pain is a technical challenge in esophageal pacing. The author through the modified bipolar esophageal catheter injection of cocaine, and achieved satisfactory analgesic results. Now the method described below. Selection of domestic dual-electrode esophageal catheter. A No. 7 injection needle-sized orifice was opened approximately 1.5-2 cm above the upper end of the second electrode of the catheter; a second orifice was opened at the appropriate location on the other end (co-machine end) of the catheter; an epidural catheter for surgical anesthesia was inserted In the second hole, insert a certain depth