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在体外进行血管重建的训练和测试系统
Chapters
Summary October 26th, 2019
Please note that all translations are automatically generated.
Click here for the English version.
在这里,我们介绍了一个训练和测试系统,其中受训者可以使用磁锚定技术单独完成体外手动血管重建。该系统还可用于测试重建质量。
Transcript
在这段视频中,我们介绍了一种新的训练和测试系统,学员可以单独完成体外手动血管重建。手动血管重建训练对年轻外科医生至关重要。本研究介绍了一种新颖的训练和测试系统,学员可以使用磁锚技术单独完成体外手动血管重建,并测试重建质量。
这是血管重建训练机,由控制面板和操作地板两部分组成,在开始训练前以0.9%的盐水进入机器。这些是从缅甸猪身上收获的左右的静脉。使用组织剪刀修剪静脉的末端,并清除静脉壁上的多余的组织,使静脉光滑。
这些是磁血管断裂、磁缝合断裂和磁缝合拉拔器。用两个丝线将两条静脉系在进水口和训练机的出水口上。在这段视频中,我们采用两点血管性肿瘤症的方法。
调整训练机轮廓的水透镜,确保两个静脉的两端平行方向自由张力。弦在静脉和奠定两个4-0牵引缝合在六点钟和12点钟的位置。从静脉外插入牵引缝合针,然后从外静脉内插入。
擦掉手套和缝合线,以免损坏缝合线。轻轻打五节,以免撕裂静脉壁。使用磁缝合牵引车的两个不锈钢夹抓住牵引缝合线,并吸引磁缝合拖拉机的圆形磁铁在铁磁不锈钢操作地板上。
调整磁力吸引的位置,确保两个静脉的末端垂直拉伸。使用磁血管牵引车的两个血管夹夹将线圈的内壁和工作地板上的磁血管牵引器的圆形磁铁夹住。调整吸引力的位置,确保静脉内壁缩回,静脉后壁清晰暴露。
在操作地板上吸引磁性缝合拉拔器。将聚丙烯缝合线尾部留在牵引缝合的 12 点钟位置,然后将该段与针一起使用,以连续缝合。确保两种静脉的因蒂玛与静脉的接触。
将静脉外侧的第一个缝合插入到内部。在随后的缝合中,从静脉内侧插入针头,然后从另一静脉的外侧插入。检查缝合线是否松动。
一次缝合后,确保聚丙烯缝合线挂在磁性缝合机上,然后轻轻拉取聚丙烯,直到磁球压压聚丙烯。用约0.3牛顿的力用缝合线将端点提取,其方向随后与磁缝合拉拔器的球平行,然后继续下一针。通过使用磁性缝合拉拔器,聚丙烯缝合线尾部将充分捆绑。
随着缝合的继续,聚丙烯缝合线将变短。根据缝合线的长度,选择三个磁球中最合适的一个,然后按磁球下的缝合线。将左缝合线从静脉内侧插入到外部,以确保内蒂玛与两个静脉的内蒂接触。
为避免动脉瘤后狭窄,请确保保持相同的缝合距和针头间距约一毫米。将静脉壁与静脉壁系上五毫米,以防止缝合狭窄。这也称为增长因子。
这是一个保留空间远离船壁时,绑第一个结后,动脉瘤,使船舶可以扩大,而不是狭窄。打结的方法和以前一样。后壁的肿瘤后,取出磁血管牵引车,将尾部作为牵引器缝合,并在六点钟位置使用带针的段,用于前壁的动脉硬化。
从静脉外插入针头,然后从另一静脉内部插入。其他方法与后壁的肺病方法一致。保证静脉与两脉接触的方法,即缝合不松动,动脉酸化后不狭窄,与后体内动脉酸中毒的方法一致。
前壁的动脉硬化后,切断两个牵引缝合线。将峰值灌注压力设置为 2 千帕,在 25 摄氏度内设置 5 秒,控制面板上的偏差为 0.1 千帕。如果静脉不泄漏,那么动脉瘤成功。
巨大的压力上升到愤怒压力,并维持了五秒钟。牵引长度为30厘米,磁性拖拉机的牵引范围为零至1.8牛顿。断裂强度试验结果表明,磁缝合拉拔器不会损坏聚丙烯缝合线。
现场显微镜试验结果表明,手动组与磁拉拔组无显著差异。综上关于在磁力牵引车和磁缝合拉拔器的辅助下,学员可分别进行手动血管提取。
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