介绍一种简易肛门直肠测压仪杨刚，赖炳耀笔者制作了一台简易肛门直肠测压仪，应用于临床，效果良好，介绍如下。１．制作：它由探头、测量电桥、直流放大器三部分构成，是利用力敏片受力作用后产生电阻值变化的原理，将力敏片装于探头中，并构成测量电桥的一臂（图１），... Introduction of a simple anorectal manometry instrument Yang Gang, Lai Bingyao The author produced a simple anorectal manometer, used in clinical practice, with good results, as described below. 1. Production: It consists of three parts: probe, measuring bridge and DC amplifier. It is based on the principle that the force resistance chip produces a change in resistance value. The force sensitive chip is installed in the probe and forms an arm of the measuring bridge ( Figure 1),...