探讨疝钩针的改进在单孔腹腔镜经皮腹膜外内环结扎术中应用的可行性。

收集2009年6月至2018年1月，河北医科大学第二医院采用单钩疝针、双钩疝针、注水分离疝针完成3 739例经皮腹膜外内环结扎术治疗小儿腹股沟疝的手术记录及术后随访资料，统计手术时间、手术并发症、复发情况等参数并予以分析。

双钩疝针及注水分离疝针较单钩疝针，在手术时间、术后并发症、术后复发率均有明显优势。双钩疝针组中，较大疝因内环腹膜褶皱需插入辅助钳操作延长手术时间。注水分离疝针组针对巨大疝借助水分离技术可单独完成操作。

经过不断改进，注水分离疝针单独穿刺腹壁即可完成经皮腹膜外内环结扎，手术时间短、并发症少、复发率低，可灵活应对各种内环情况。

To explore the feasibility of a hernia needle modification in single-port laparoscopic percutaneous extraperitoneal closure (SPLPEC) for pediatric inguinal hernia.

During June 2009 and January 2018, 3 739 children with inguinal hernia were performed SPLPEC by single-hooked core hernia needle, two-hooked core hernia needle and two-hooked core hernia needle with hydrodissection retrospectively. The operative and follow-up data were collected and analyzed.

Comparing with single-hooked core hernia needle, both two-hooked core hernia needle and two-hooked core hernia needle with hydrodissection took remarkable advantages in operation time, complications and recurrence. In two-hooked core hernia needle group, in case of large hernia due to peritoneum fold, aditional working instrument and more operation time was required. While in two-hooked core hernia needle with hydrodissection, such cases did not spend more operation time and were solely done.

SPLPEC using the two-hooked core hernia needle with hydrodissection can be accomplished within just one path through abdominal wall, has short operation time, low incidence of complication and low recurrent rate. Besides, this device can also meet the needs of various inner ring, should be known by more pediatric surgeons.