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首页> 外文期刊>Journal of Hand Surgery. American Volume >Comparison of a new multifilament stainless steel suture with frequently used sutures for flexor tendon repair.
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Comparison of a new multifilament stainless steel suture with frequently used sutures for flexor tendon repair.

机译：新型多丝不锈钢缝合线与常用屈肌腱修复缝合线的比较。

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PURPOSE: To investigate the mechanical properties of some common suture materials currently in use and compare them with a new multifilament stainless steel suture. METHODS: We investigated the mechanical properties of 3-0 and 4-0 Fiberwire, 3-0 Supramid, 3-0 Ethibond, and a new 3-0 and 4-0 multifilament stainless steel suture. All suture material was tested in a knotted configuration and all but the Supramid was tested in an unknotted configuration. We measured the load, elongation at failure, and stiffness during both tests. RESULTS: The 4-0 multifilament stainless steel showed the least elongation, whereas the 3-0 multifilament stainless steel withstood the highest load of any material in both the knotted and unknotted tests. There was no difference in stiffness between the 3-0 and 4-0 multifilament stainless steel when untied; however, the 3-0 multifilament stainless steel was stiffer when tied. Soaking in a saline solution had no significant effect on the ultimate load, elongation at failure, or stiffness of any of the sutures. The 3-0 Fiberwire and 3-0 Ethibond required at least 5 throws to resist untying. CONCLUSIONS: Multifilament stainless steel exhibited promising mechanical advantages over the other sutures tested. More research is needed to determine how this material will affect the clinical outcomes of primary flexor tendon repair. CLINICAL RELEVANCE: With a secure attachment to the tendon, the multifilament stainless steel's lower elongation and better knot-holding ability may result in a higher force to produce a 2-mm gap and a higher ultimate tensile strength in a tendon repair.
机译：目的：研究目前使用的一些常用缝合材料的机械性能，并将其与新型多丝不锈钢缝合线进行比较。方法：我们研究了3-0和4-0 Fiberwire，3-0 Supramid，3-0 Ethibond以及新的3-0和4-0复丝不锈钢缝合线的机械性能。所有缝合线材料均以打结配置进行测试，除Supramid以外的所有缝合材料均以未打结配置进行测试。在两个测试中，我们都测量了载荷，断裂伸长率和刚度。结果：在打结和未打结的测试中，4-0复丝不锈钢的伸长率最低，而3-0复丝不锈钢的材料承受的载荷最高。松开时，3-0和4-0复丝不锈钢的刚度没有差异;但是，3-0复丝不锈钢在绑扎时更坚硬。浸泡在盐溶液中对任何缝合线的最终载荷，断裂伸长率或刚度均无明显影响。 3-0 Fiberwire和3-0 Ethibond至少需要掷5次才能阻止解开。结论：与其他测试的缝合线相比，复丝不锈钢具有广阔的机械优势。需要更多的研究来确定这种材料将如何影响原发性屈肌腱修复的临床结果。临床相关性：牢牢固定在肌腱上，复丝不锈钢的较低伸长率和更好的结结能力可能会导致产生更大的力，从而在肌腱修复中产生2 mm的缝隙和更高的极限抗拉强度。

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