Factors affecting accurate drill sleeve insertion in locking compression plates - 04/10/13

Doi : 10.1016/j.otsr.2013.04.013

J.-J. Kim ^a, J.-W. Kim ^b,^⁎ , H.-S. Yu ^a, H.-S. Lee ^a, H.-K. Oh ^c
^a Department of Orthopedic Surgery, Asan Medical Center, University of Ulsan, Seoul, Republic of Korea
^b Department of Orthopedic Surgery, Haeundae Paik Hospital, Inje University, Busan, Republic of Korea
^c Department of Orthopedic Surgery, Ilsan Paik Hospital, Inje University, Goyang, Republic of Korea

^⁎Corresponding author.

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En prensa. Pruebas corregidas por el autor. Disponible en línea desde el Friday 04 October 2013
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Summary

Background

Accurate positioning of locking screws depends on accurate insertion of the drill sleeve into the locking compression plate (LCP). The purpose of the present study was to determine factors affecting accurate drill sleeve insertion.

Hypothesis

Tilting and shallow locking screw holes and combination-type holes make it difficult to insert the drill sleeve in the LCP.

Materials and methods

Twenty-seven 3.5mm LCP metaphyseal insertion holes were selected (Philos^®, LPHP^®, DMTP^®, low-band DMTP^® [Synthes, Solothurn, Switzerland]). Two orthopedic surgeons checked the time taken for accurate insertion of the drill sleeve into the plate. Variables relating to LCP drill sleeve insertion time were analyzed.

Results

It took an average 6.6seconds to insert the drill sleeve accurately in the holes. Insertion time increased with the tilt of the screw hole but not with shallowness. Insertion time in combination-type holes was longer (8.8seconds) than in single locking holes (5.6seconds).