推荐回答（2个）
直肠癌的患病率可以算是癌症中比较高的一种了，据统计，中国结直肠癌发病率每年以3.9％速度递增，所以很多医疗器械在直肠癌中的应用也越来越广。下面为大家介绍一下吻合器在直肠癌根治术中的应用需要注意的地方。 中低位直肠癌的保肛手术及预防术后局部复发一直是直肠癌外科治疗中倍受关注的问题。 1982年Heald等首先提出全直肠系膜切除的概念, 根除传统手术中直肠系膜切除不全, 系膜内癌灶残留的隐患, 有效降低直肠癌术后局部复发率。直肠癌肠管远端切除的长度是影响中低位直肠癌能否行保肛手术与手术根治及术后复发的一重要因素。对直肠癌生物学特性及局部浸润规律的研究不断深入, 直肠癌的逆向扩散是罕见的, 仅发生在上端淋巴管堵塞者。而且癌肿沿肠管向远端浸润少, 一般不超 过1cm。 当前大多数学者支持远端肠管切除长度为 2cm即达到根治手术要求。直肠充分游离后可延伸3-5cm, 为保肛手术创造更大的可能性。 中低位直肠癌保肛手术, 由于盆腔空间小手术操作困难, 而且是位置越低手术操作越困难。而双吻合器吻合技术能使结直肠低位、超低位吻合简 化、方便,安全省时,吻合口光滑, 完成手工无法完成 的操作, 从而缩短手术时间, 减少手术创伤, 有利于病人术后恢复。
双吻合器吻合技术的使用注意事项: 1、吻合器的口径适宜, 避免强行套人抵钉座 而撕裂肠管。 2、 直肠远端必须冲洗, 同时为避免肠管周围组 织残留夹人闭合器或吻合器影响缝钉的压合, 要确保 吻合段的肠管周围组织分离, 吻合前充分地扩肛。 3、使用闭合器时应将肠管充分展平, 避免肠 管纵向打褶闭合不严而形成术后吻合口漏。 4、在直视下操作动作要轻柔, 保证近端肠管 的血供, 保证肠管无张力。 5、术后防止盆腔与骸前感染, 并充分引流。 发生吻合口漏, 吻合口狭窄, 吻合口出血的原因, 与肠管纵向打褶闭合不严以及全直肠系膜切除手术后吻合口远端的直肠血供受影响有关。 总之, 吻合器的使用, 可以缩短手术时间, 减少手术创伤, 有利于病人术后恢复, 但是在使用的过程中一定要注意上面列举出来的一些注意事项，减少医疗事故的发生率。 山西双赢伟业科贸有限公司
你好 对于术后吻合的钉子一般是残留在人体内的，这个不需要注意的，祝患者早日康复“陈先荣战胜病魔的钢铁意志 ”多陪伴病人 在生活中多加以注意
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