...水充分清洗会阴部，再用灭菌水冲洗尿道口。若男性患者包皮过长，应将包皮翻开冲洗。排尿，将前段尿弃去，留取中段尿10ml，置于灭菌容器内。（2）尿管尿液采集法：尿潴留者用导尿管弃去前段后，留取10～15ml尿液置于灭菌...