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直流电是电疗中应用最早的一种电能,它的医疗应用早已有大量实验和临床经验。近些年来,直流电加速骨折愈合的作用引起了医学界的注意,在直流电辅助治癌及诱发再生等方面也有一些新的探索。为了了解直流电刺激机体的某些生理作用,作者用一定强度的稳恒电流刺激大白鼠胃壁,观测它对血液流量的影响。直流电源采用自制的晶体管恒流电源,用3伏电池供电。输出电流在20UA以内连续可调,由微安表监视和读数。当输出端外接电阻变化时能够保持输出电流恒定。阴极采用针灸针,除针尖一部分保持裸露外,其余部分被以绝缘层。阴极置于实验动物的胃
DC is the earliest application of electrotherapy in a power, its medical applications already have a large number of experiments and clinical experience. In recent years, the role of DC to accelerate fracture healing has drawn the attention of the medical profession, there are some new exploration in DC assisted cancer treatment and induced regeneration. In order to understand the physiological effects of DC stimulation of the body, the author stimulated the gastric wall of rats with a constant intensity of a certain intensity and observed its effect on blood flow. DC power supply using homemade transistor constant current power supply with 3 volt battery. Output current is continuously adjustable within 20UA, monitored and read by microammeter. When the output of external resistance changes to maintain the output current is constant. Cathode acupuncture needles, in addition to remain part of the tip of the exposed, the remaining part of the insulation. Cathode placed in the stomach of experimental animals