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首页> 外文期刊>The Journal of hand surgery, European volume >BIOMECHANICAL COMPARISONS OF FOUR-STRAND TENDON REPAIRS WITH DOUBLE-STRANDED SUTURES: EFFECTS OF DIFFERENT LOCKS AND SUTURE GEOMETRY
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BIOMECHANICAL COMPARISONS OF FOUR-STRAND TENDON REPAIRS WITH DOUBLE-STRANDED SUTURES: EFFECTS OF DIFFERENT LOCKS AND SUTURE GEOMETRY

机译：具有双股缝合的四级肌腱修复的生物力学比较：不同锁和缝合几何的影响

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摘要

Multi-strand repairs are often used in flexor tendon surgery. We evaluated the strength of four four-strand tendon repairs with different locks and suture geometry. Forty-eight pig flexor tendons were repaired with the following methods: a cross-lock four-strand repair; a U-shaped repair with circle-locks; a modified Kessler repair with Pennington locks (with longitudinal sutures located more centrally; and another modified Kessler (with longitudinal sutures located more laterally). The tendons were loaded to complete failure of the repairs. The two Kessler repairs showed a 35% lower 2 mm gap force, and 15% lower ultimate strength compared with the other two repairs; the differences were of statistical significance. The failure pattern was breakage of sutures in almost all tendons. These four-strand repairs differed in gapping and ultimate strengths. The Kessler-type repairs with different geometry in the longitudinal sutures produced identical strengths. The Kessler-type repairs with Pennington locks were weaker than the two repairs with either cross-locks or circle-locks.
机译：多股修复常用于屈肌腱手术中。我们评估了具有不同锁定和缝合线几何形状的四根四股腱修复的强度。采用以下方法修复四十八头猪屈肌腱：交叉锁四链修复;带圆锁的U形维修;用Pennington锁进行的改良Kessler修复（纵向缝合线位于更中央;另一条经修正的Kessler修复（纵向缝合线位于更侧））加载腱以完全修复，两次Kessler修复均降低了35％，即2毫米缝隙力，与其他两次修补相比，其极限强度降低15％;差异具有统计学意义;破坏模式是几乎所有肌腱的缝合线断裂;这四股修补的缝隙和极限强度有所不同。纵向缝线中几何形状不同的两类修补物产生的强度相同，而Pennington锁的Kessler型修补物比交叉锁或圆形锁的两种修补物都弱。

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