CYCLIC STRESS-ANALYSIS OF FLEXOR TENDON REPAIR

被引：107

作者：

PRUITT, DL

MANSKE, PR

FINK, B

机构：

[1] Division of Orthopedic Surgery, Washington University School of Medicine, St. Louis, MO

来源：

JOURNAL OF HAND SURGERY-AMERICAN VOLUME | 1991年 / 16A卷 / 04期

关键词：

D O I：

10.1016/0363-5023(91)90197-J

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：

A method of evaluating flexor tendon repair techniques with the use of cyclic testing is presented. This type of evaluation complements the presently used load-to-failure tests by providing more detailed information about gap formation at the repair site. During load-to-failure testing in this study, core sutures alone demonstrated initial gap formation at 0.85 kg tensile force or more; yet on cyclic testing all techniques demonstrated gap formation of 1.9 mm or greater at 0.5 kg tensile force. Thus cyclic testing demonstrated gap formation not readily apparent on load-to-failure testing. An epitenon stitch placed circumferentially around the laceration site added strength in both load-to-failure and cyclic tests, and significantly reduced gap formation regardless of the core suture technique.

引用

页码：701 / 707

页数：7

共 30 条

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