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本研究应用计算机图像分析技术，测量取自１０７例男性２１０根输精管直径，结果平均等效圆外径为２．１７±０．２０ｍｍ，等效圆内径为０．５６±０．０８ｍｍ，管壁厚０．８１±０．２１ｍｍ。测量１２４根１ｃｍ长输精管在被动扩张条件下的破裂容量平均为０．０５±０．００７ｍｌ。对破裂输精管的组织形态学进行了观察，并对破裂容量与个体特征及输精管解剖参数的相关性进行了分析和探讨。本研究结果为输精管阻塞节育法提供了具有实用参考价值的数据和资料。
Abstract：Objectives: To Study the relationship between volume and anatomy of vas deferens. Design: Experimental studies on human vas deferens. Settings: Family planning clinics in Sichuan Province and laboratories in Sichuan Reproductive Health Institute. Subjects: 210 fresh vas samples from 107 volunteers of vasectomy. Method: The inner and outer equivalent diameters of vas deferens were measured by using computerized image graphic analysis technique with microphotography. The maximal volume of 1 cm vas deferens was determined by injection of colored solution. The histological observation of vas deferens rupture was conducted with continuous sections. Result: The average outer and inner diameters were 2.17±0.20 mm and 0.56±0.08 mm,respectively. The calculated thickness of vas wall was 0.81±0.21 mm.The average vas lumen volume vas lumen of was 0.05± 0.007ml.Different urpture manners of vas wall were found in histological observation. There is no significant relationship between the maximized vas volume and the anatomic parameters or physiologic characteristics,except the thickness of vas wall and the personal height. Conclusion:This study provides objective anatomic data about Chinese human vas deferens, and the maximal limit of vas volume in the 1 cm vas deferens. The diameter of vas deferens is not a suitable indicator for determination of injection volume in vas occlusion because only the thickness of the wall relates significantly to the vas volume.
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基本信息:
中图分类号:R169.43
引用信息:
[1]刘小章,黄明孔,岳焕勋,樊涛,刘小华,李顺强.输精管解剖参数测量与单位长度输精管破裂容量的相关性研究[J].生殖医学杂志,1996(03).
1996-09-30
1996-09-30