Designing of a new drilling guide for K-wire in Tension-band wiring of patellar fractures and its experi-mental study
LIU Zi-hao
ZHAO Wen
SHEN Qing-min
WANG Mei
Abstract：Objective To develop a newly designed guide and evaluate its clinic application prospect in treatment of patella fracture. Methods In our mechanical experiment, we carried out the tensile test of the two generation drilling guides by biomechanics machine and then analyzed the difference in their deformation. In the corpse experiment , we transversed fractures at the equator of the patella obtained from 10 fresh cadaver speci-mens. They were divided into 2 groups randomly: a test group and a control group. The second-generation of the aiming guide was used for the test group but not for the control group during the experiment. Then we evaluated its clinic application in the treatment of patella fracture. Results In the mechanical experiment, the displace-ment of the first generation guide was significantly larger than that of the newly one. The accuracy in the place-ment of k-wires by the second generation guide was significantly higher than by the first generation guide (P <0.05). Conclusions The drilling guide is reasonable in design and convenient in use. Moreover, it can improve the accuracy and quality of insertion of tension-band wiring of patellar fractures. The second-generation one is better and thus it is worth clinically spreading.
Keywords：Patellar fractureK-wire drilling guideExperimental study
Publication Date：2016-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：5( 2153-2157 )