Mechanical properties and tissue damage caused by staples in gastrointestinal anastomosis.

IF 1.7 4区 医学 Q3 ENGINEERING, BIOMEDICAL
Xuan Dai, Junjie Zheng, Xiaoli Yu, Zhihua Liu, Lijuan Zheng, Zhihua Chen, Chengyong Wang
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引用次数: 0

Abstract

Gastrointestinal surgery using a stapler is usually associated with tissue damage, anastomosis leakage, bleeding, and other complications, which is one of the effective methods for treating digestive tract cancer. The cutting properties of staples and the tissue damage occurring in the process of stapling porcine esophageal and gastric tissues have been evaluated and a new type of stapler has been designed. Since different structural and mechanical properties esophageal and gastric tissues layers, the puncturing force exhibits a fluctuating trend. Compressive stress caused by the bending of the staple legs can lead to the destruction of the vascular network inside the tissue, tissue deforms and tears. Finally, a staple with an internal incision arc (IIA) tip is designed, which meeting the performance requirements.

胃肠吻合术中订书针的机械性能和组织损伤。
使用订书机进行胃肠道手术通常会出现组织损伤、吻合口渗漏、出血和其他并发症,这是治疗消化道癌症的有效方法之一。我们对猪食管和胃组织的订书机切割性能和订书过程中出现的组织损伤进行了评估,并设计了一种新型订书机。由于食管和胃组织层的结构和机械性能不同,穿刺力呈现波动趋势。钉腿弯曲造成的压应力会导致组织内部的血管网遭到破坏,组织变形和撕裂。最后,我们设计了一种带有内切口弧形(IIA)尖端的缝合钉,它能满足性能要求。
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来源期刊
CiteScore
3.60
自引率
5.60%
发文量
122
审稿时长
6 months
期刊介绍: The Journal of Engineering in Medicine is an interdisciplinary journal encompassing all aspects of engineering in medicine. The Journal is a vital tool for maintaining an understanding of the newest techniques and research in medical engineering.
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