Comparison of Fixation Stability of the Novel Lisfranc Plate to Transarticular Screws: A Biomechanical Study in Cadaveric Feet

Foot & Ankle Orthopaedics

StephenShymon¹ 

关键词: Lisfranc;    arthrodesis;    midfoot;    biomechanical;    motion analysis;    Lisfranc plate;   

DOI  :  10.1177/2473011417S000375

学科分类：医学（综合）

来源: Sage Journals

【 摘 要 】

Category:Midfoot/Forefoot, TraumaIntroduction/Purpose:The objective of this study was to compare the stability of fixation of ligamentous Lisfranc injuries stabilized using two devices: a novel Lisfranc plate and conventional transarticular screws.Methods:A biomechanical cadaver model was developed to compare the fixation stability of a novel Lisfranc plate to that of traditional fixation, using transarticular screws. Thirteen pairs of cadaveric specimens were tested intact, after a simulated injury, and after implant fixation. Optical motion tracking was used to measure the three dimensional (3D) motion between each of the following four bones: first metatarsal, second metatarsal, first cuneiform, and second cuneiform. Testing included both cyclic abduction loading and cyclic axial loading.Results:Both the Lisfranc plate and screw fixation method provided stability such that the average 3D motions across the Lisfranc joint (between the second metatarsal and the first cuneiform), were between 0.2 and 0.4 ...

【 授权许可】

CC BY