The invention provides a single channel elastic sheath tube for laparoscopic surgery and a puncture releasing device thereof, which belongs to the technical field of medical devices. The single channel elastic sheath tube is made of high elastic soft material. The wall thickness and the end of the sheath tube are provided with ear handle. The whole tube is exquisite and flexible. It can be safely, accurately and simply placed in the abdominal wall notch as the laparoscopic operation passage through the operation of puncture releaser. It can shorten the distance between the sheath tube and satisfy the operation of entering and exiting, pulling and swinging of the surgical instruments, thus avoiding the slippage and displacement of the traditional Trocar. Laparoscopic surgery is more scientific and minimally invasive because of unreliable position, air leakage, lodging, squeezing and collision between sheath canals. It is suitable for all kinds of pneumoperitoneal pressure and abdominal wall conditions including infants, especially for umbilical endoscopy, axillary endoscopy and the establishment of multi-channel minimally invasive endoscopic surgery in small areas.
【技术实现步骤摘要】
一种腹腔镜手术的单通道弹性鞘管及其穿刺释放器
本专利技术为一种用于腹腔镜手术的单通道弹性鞘管及其穿刺释放器,属医疗器械
技术介绍
腹腔镜手术显著缩小了腹壁的切口、术后康复快被誉为微创手术。腹腔镜手术的标志性器械是Trocar(套管针或腹壁穿刺器),由套管和穿刺内芯及气阀部组成,在完成腹壁穿刺(去除穿刺内芯)后作为腹腔内手术操作的通道。套管为硬质长管,本身并无伸缩性,与腹壁切口组织间的握持依靠套管与切口大小、腹壁厚实的适配。在实际手术操作中,尤其是腹壁薄弱患者(如婴幼儿),常常出现Trocar滑脱、移位、漏气、倒伏等不可靠的情况,妨碍手术进程。过大的气阀部也难以达到腹腔镜手术向经脐单部位多通道腹腔镜手术的超微创新发展要求,难以满足术后无可见刀痕的即治愈疾病体表又美观的新时代手术医疗需求。
技术实现思路
本专利技术为腹腔镜手术提供了一种腹腔镜手术的单通道弹性鞘管及其穿刺释放器,替代传统Trocar,消除Trocar的滑脱、移位、漏气、倒伏及相互挤占等不可靠的情况,特别适用于婴幼儿及经脐腹腔镜手术。本专利技术采用如下技术方案实现:用高弹性软质材料制成带耳柄的单通道弹性鞘管,用硬质材料制成匹配的穿刺器和释放器组合而成。使用前将单通道弹性鞘管预装入释放器内。使用时以释放方式将单通道弹性鞘管置放于腹壁戳口,缝绑耳柄和腹壁将单通道弹性鞘管固定在戳口周围腹壁,特别适合经脐入路和婴幼儿的腹腔镜手术。单通道弹性鞘管为高弹性软质材料制成的厚壁、单个中空通道的短管,耳柄设于短管末端。单通道弹性鞘管长度大于切口部位的腹壁厚度,外径、内径与腹壁切口及手术器械外径弹性适配,便利操 ...
【技术保护点】
1.一种腹腔镜手术的单通道弹性鞘管及其穿刺释放器,由具备如下特征的单通道弹性鞘管及其穿刺释放器组成:单通道弹性鞘管由软质、高弹性材料制成的壁厚、单个中空管道的圆形短管,末端设有耳柄;穿刺器由硬质、壁薄的外鞘和尖锐鞘芯、钝性鞘芯组成;释放器由硬质材料制成的内芯、硬质、壁薄的内鞘组成,内芯前段设有与单通道弹性鞘管的耳柄相对应的凹槽,内芯长度等于或大于单通道弹性鞘管、耳柄及内鞘的长度之和;释放器的内鞘内预先内置单通道弹性鞘管。
【技术特征摘要】
1.一种腹腔镜手术的单通道弹性鞘管及其穿刺释放器,由具备如下特征的单通道弹性鞘管及其穿刺释放器组成:单通道弹性鞘管由软质、高弹性材料制成的壁厚、单个中空管道的圆形短管,末端设有耳柄;穿刺器由硬质、壁薄的外鞘和尖锐鞘芯、钝性鞘芯组成;释放器由硬质材料制成的内芯、硬质、壁薄的内鞘组成,内芯前段设有与单通道弹性鞘管的耳柄相对应的凹槽,内芯长度等于或大于单通道弹性鞘管、耳柄及内鞘的长度之和;释放器的内鞘内预先内置单通道弹性鞘管。2.根据权利要求1的单通道弹性鞘管及其穿刺释放器,其特征在于,单通道弹性鞘管的末端设有耳柄,可用于缝合固定单通道弹性鞘管和预装到释放器内。3.根据权利要求1根据权利要求2的单通道弹性鞘管及其穿刺释放器,其特征在于,...
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