In vitro and finite element analysis of a novel rotator cuff fixation technique

被引：26
作者：
Funakoshi, Tadanao [1 ]
Suenaga, Naoki [1 ]
Sano, Hirotaka [2 ]
Oizumi, Naomi [1 ]
Minami, Akio [1 ]
机构：
[1] Hokkaido Univ, Dept Orthopaed Surg, Grad Sch Med, Sapporo, Hokkaido, Japan
[2] Tohoku Univ, Dept Orthopaed Surg, Grad Sch Med, Sendai, Miyagi 980, Japan
来源：
JOURNAL OF SHOULDER AND ELBOW SURGERY | 2008年 / 17卷 / 06期
关键词：
D O I：
10.1016/j.jse.2008.06.002
中图分类号：
R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学（修复外科学）];
学科分类号：
摘要：
The purpose of this investigation was to assess the biomechanic strength and stress dispersion at the repair site of surface-holding repair techniques for rotator cuff repair compared to the double-row technique. Eighteen bovine infraspinatus tendons were repaired using 3 different repair techniques: double-row repair, surface-holding repair with transosseous sutures, and surface-holding repair with knotless anchors. Biomechanical testing and two-dimensional finite element analysis were performed. The surface-holding repair with transosseous sutures provided 87.9% more stiffness than the double-row repair. The number of tendon-suture site failures of the surface-holding repair with transosseous sutures was smaller than the other 2 techniques. The finite element analysis showed that the surface-holding repair model hod a more dispersing stress pattern compared to a double-row repair model. It suggests that these repair techniques can prevent high stress concentration compared to the double-row repair. (J Shoulder Elbow Surg 2008; 17:986-992.)
引用
收藏
页码：986 / 992
页数：7
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