腱骨修复用缝线在锚钉孔眼处的耐磨性能及其影响因素

doi:10.13475/j.fzxb.20200204407

纺织学报 ›› 2020, Vol. 41 ›› Issue (12): 66-72.doi: 10.13475/j.fzxb.20200204407

腱骨修复用缝线在锚钉孔眼处的耐磨性能及其影响因素

张倩¹^,², 毛吉富¹^,²^,³, 吕璐瑶¹^,², 徐仲棉⁴, 王璐¹^,²^,³()

1.东华大学纺织学院, 上海 201620
2.东华大学纺织面料技术教育部重点实验室, 上海 201620
3.东华大学纺织行业生物医用纺织材料与技术重点实验室, 上海 201620
4.浙江广慈医疗器械有限公司, 浙江宁波 315000

收稿日期:2020-02-24 修回日期:2020-07-17 出版日期:2020-12-15 发布日期:2020-12-23
通讯作者: 王璐
作者简介:张倩(1990—),女,硕士生。主要研究方向为生物医用纺织材料。
基金资助:
教育部创新引智基地111计划项目(B07024);中央高校基本科研业务费专项资金资助项目(2232020G-01);宁波市科技重大科技专项(2017C110037);东华大学研究生创新基金资助项目(CUSF-DH-D-2019032);国家大学生创新项目(sh10255041)

Abrasion resistance of suture at anchor eyelet for tendon-bone repair and its influencing factors

ZHANG Qian¹^,², MAO Jifu¹^,²^,³, LÜ Luyao¹^,², XU Zhongmian⁴, WANG Lu¹^,²^,³()

1. College of Textiles, Donghua University, Shanghai 201620, China
2. Key Laboratory of Textile Science & Technology, Ministry of Education, Donghua University, Shanghai 201620, China
3. Key Laboratory of Biomedical Textile Materials and Technology in Textile Industry, Donghua University, Shanghai 201620, China
4. Zhejiang Guangci Medical Equipment Co., Ltd., Ningbo, Zhejiang 315000, China

Received:2020-02-24 Revised:2020-07-17 Online:2020-12-15 Published:2020-12-23
Contact: WANG Lu

摘要/Abstract

摘要：

缝线在锚钉孔眼处磨损断裂是带线锚钉临床失效的主要原因,但由于缺乏测试装置,对缝线耐磨性的定量评价及影响因素尚不明晰。通过自主设计并搭建缝线摩擦性能测试装置,选取几种常用的缝线与锚钉,调节缝线拉伸角度(θ_SA)与锚钉旋转角度(θ_ARA),对其断裂强力及耐磨性进行测试。结果表明:搭建的测试装置可为缝线耐磨性测试提供定量数据比较;聚对二氧环己酮由于其更高的断裂强力和单股结构,耐磨性最佳;锚钉孔眼表面的线槽设计会使缝线耐磨性降低,且线槽尺寸越大,对缝线耐磨性的损伤越大;与θ_SA为45°相比,θ_SA为0°时缝线表现出更好的耐磨性,对于无线槽锚钉,θ_ARA为90°时缝线耐磨性更好,对于有线槽锚钉θ_ARA为0°时缝线耐磨性更好。

关键词: 手术缝线, 锚钉, 摩擦性能测试装置, 耐磨性, 医用纺织品

Abstract:

Suture anchors often fail in service due to the abrasion and fracture of suture at the interface between suture and anchor eyelet in clinic. However, the quantitative evaluation of the abrasion resistance of suture is still unascertained owing to the absence of an measurement technique. A abrasion testing device was constructed, and several commonly used sutures and anchors were selected for this experiment. The breaking force and abrasion resistance of the sutures were analyzed by altering the suture-pull angle (θ_SA) and the anchor rotation angle (θ_ARA). The results show that the abrasion device could provide quantitative comparisons for different sutures. The monofilament structure of poly (p-dioxanone) suture demonstrates the highest breaking strength and exhibits superior abrasion resistance. The groove on the anchor eyelet surface results in inferior abrasion resistance, and the larger the groove size, the higher the abrasion resistance. The suture shows lower abrasion resistance at θ_SA=0° compared with that at θ_SA=45°. For the anchor without groove, the suture displayed higher abrasion resistance at θ_ARA=90°. In contrast, for the anchor with groove, the suture showed higher abrasion resistance at θ_ARA=0°.

Key words: surgical suture, anchor, abrasion testing device, abrasion resistance, medical textiles

中图分类号:

TS101.2

张倩, 毛吉富, 吕璐瑶, 徐仲棉, 王璐. 腱骨修复用缝线在锚钉孔眼处的耐磨性能及其影响因素[J]. 纺织学报, 2020, 41(12): 66-72.

ZHANG Qian, MAO Jifu, LÜ Luyao, XU Zhongmian, WANG Lu. Abrasion resistance of suture at anchor eyelet for tendon-bone repair and its influencing factors[J]. Journal of Textile Research, 2020, 41(12): 66-72.

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参考文献 19

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实验参数/(°)		锚钉种类	断裂强力/N
θ_SA	θ_ARA	锚钉种类	断裂强力/N
0	0	锚钉A	96.59±3.70
0	0	锚钉B	98.51±2.27
0	0	锚钉C	100.89±3.10
0	90	锚钉A	95.00±2.60
0	90	锚钉B	96.00±1.80
0	90	锚钉C	97.00±1.30
45	0	锚钉A	93.07±0.17
45	0	锚钉B	92.43±5.94
45	0	锚钉C	94.80±4.73
45	90	锚钉A	97.39±4.82
45	90	锚钉B	96.61±1.50
45	90	锚钉C	95.28±0.52

实验参数/(°)		锚钉种类	摩擦次数n
θ_SA	θ_ARA	锚钉种类	摩擦次数n
0	0	锚钉A	2 213±221
0	0	锚钉B	2 006±102
0	0	锚钉C	1 476±23
0	90	锚钉A	2 726±208
0	90	锚钉B	526±78
0	90	锚钉C	389±51
45	0	锚钉A	1 101±203
45	0	锚钉B	1 011±59
45	0	锚钉C	902±52
45	90	锚钉A	1 336±373
45	90	锚钉B	469±23
45	90	锚钉C	96±7

腱骨修复用缝线在锚钉孔眼处的耐磨性能及其影响因素

Abrasion resistance of suture at anchor eyelet for tendon-bone repair and its influencing factors

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