Journal of Textile Research ›› 2021, Vol. 42 ›› Issue (04): 69-73.doi: 10.13475/j.fzxb.20200301706

• Textile Engineering • Previous Articles     Next Articles

Backing fabric selection and leak-proof performance of anastomotic reinforcement repair component

JIANG Junying1, GAO Jing1(), ZHANG Jian2   

  1. 1. College of Textiles, Donghua University, Shanghai 201620, China
    2. General Surgery, Shanghai Changzheng Hospital, Shanghai 200001, China
  • Received:2020-03-06 Revised:2021-01-18 Online:2021-04-15 Published:2021-04-20
  • Contact: GAO Jing E-mail:gao2001jing@dhu.edu.cn

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Abstract:

In surgical operation, the fragile tissue is often torn by the staple during stapler anastomosis, which results in anastomotic fistula, anastomotic bleeding, air leakage and liquid leakage. For this reason, an anastomotic reinforcement repair component was designed so that the reinforcing sheet covers the anastomosis to provide sufficient strength for the tissue to be repaired, thereby preventing the occurrence of complications. The composite design of anastomotic reinforcement repair component was carried out, and the performances of the backing fabric and the repair component were evaluated respectively. The leakage prevention performance of the anastomotic reinforcement repair component was simulated and evaluated through in vitro lung leak experiment. The results show that the polyamide/spandex (80/20) plain weft knitted fabric is selected as the backing of the anastomotic reinforcement repair component fabric. The anastomotic reinforcement repair component is found to prevent the lung anastomotic leakage effectively, which provide safe and effective measures to prevent postoperative anastomotic complications.

Key words: anastomotic fistula, anastomotic reinforcement repair component, backing fabric, in vitro simulation experiment, leak-proof performance, medical textile

CLC Number: 

  • TS186.8

Fig.1

Anastomotic stiffening repair component"

Tab.1

Composition and surface density of backing fabric"

面料编号 锦纶含量/% 氨纶含量/% 面密度/(g·m-2)
1# 80 20 210
2# 75 25 260
3# 70 30 260
4# 80 20 90
5# 75 25 100
6# 70 30 180

Fig.2

Elastic response (a) and constant load elongation (b) rate of six backing fabrics"

Tab.2

Backing fabric thickness and stiffness testmm"

面料编号 厚度 弯曲长度
1# 0.425±0.005 0.98±0.03
2# 0.553±0.002 0.76±0.05
3# 0.400±0.002 0.90±0.01
6# 0.312±0.003 0.70±0.04

Tab.3

Suture strength and joint strength of repair componentN"

面料编号 缝合强度 接缝强力
均值 标准差 均值 标准差
1# 0.923 0 0.271 9 43.28 14.276 1
2# 0.806 0 0.270 5 31.76 2.933 1
3# 0.872 0 0.157 8 35.82 16.278 4

Fig.3

Schematic diagram of pulmonary leak test device"

Fig.4

Photos of lung leak test. (a)Experimental group;(b)Control group"

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