用膀胱漏斗收集动物的尿液，是国内广泛地应用于教学和科研的一种传统方法。它具有操作简单、实验结果可靠的特点。膀优漏斗的优劣是影响实验效果的关键因素之一。传统的膀阶漏斗由玻璃漏斗、橡胶管、针头连接而成。其主要的不足处有：漏斗体积较大、较重；排除膀航内和管道内 Urine collected from urinary bladder funnels is a traditional method widely used in teaching and research in China. It has the characteristics of simple operation and reliable experimental results. The advantages and disadvantages of the bladder excellent funnel is one of the key factors that affect the experimental results. The traditional bladder funnel by the glass funnel, rubber tube, needle connection made. The main shortcomings are: Funnel larger, heavier; Exclude the Air China and the pipeline