To find a new uas occlusive material and verily the efficacy of Zhao's traditional uas occlusion with medical polyurethane(MP),we used the aPProved medical silicone rubber (MSR) made in the Netherlands,for a prosp...To find a new uas occlusive material and verily the efficacy of Zhao's traditional uas occlusion with medical polyurethane(MP),we used the aPProved medical silicone rubber (MSR) made in the Netherlands,for a prospective study in comparison with the contraceptive effect of these two materials.We adopted the standardized MPU uas occlusion method to 13subjects and the unified MSR uas occlusion method to 11 subjects. All subjects received semen analysis and related physical examination before the operation,and semen analysis and complication examination in the 3th, 6th and 12th months alter operation. Neither of groups had complication and notable uncomfortable symptoms following operation. The sperm disaPPearance rate in MPU group was 92.31%(12/13) while in MSR group, only one patient's sperm disaPPeared 3 moths after operation.During the other postoperative follow up periods all operated patients had spermatozoa allhough the sperm density decreased obviously and indicated partial vas occlusion.These results indicate that the MPU vas occlusion has a good sterilization elject,but the MSR has not.展开更多
文摘To find a new uas occlusive material and verily the efficacy of Zhao's traditional uas occlusion with medical polyurethane(MP),we used the aPProved medical silicone rubber (MSR) made in the Netherlands,for a prospective study in comparison with the contraceptive effect of these two materials.We adopted the standardized MPU uas occlusion method to 13subjects and the unified MSR uas occlusion method to 11 subjects. All subjects received semen analysis and related physical examination before the operation,and semen analysis and complication examination in the 3th, 6th and 12th months alter operation. Neither of groups had complication and notable uncomfortable symptoms following operation. The sperm disaPPearance rate in MPU group was 92.31%(12/13) while in MSR group, only one patient's sperm disaPPeared 3 moths after operation.During the other postoperative follow up periods all operated patients had spermatozoa allhough the sperm density decreased obviously and indicated partial vas occlusion.These results indicate that the MPU vas occlusion has a good sterilization elject,but the MSR has not.