Factors affecting accurate drill sleeve insertion in locking compression plates - 24/10/13
, H.-S. Yu a, H.-S. Lee a, H.-K. Oh c
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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).
Discussion |
Tilted screw holes and combination-type holes affect the insertion of the drill sleeve into 3.5mm LCPs.
Level of evidence |
Level IV, experimental study.
Il testo completo di questo articolo è disponibile in PDF.Keywords : Locking compression plate, Drill sleeve, Locking screw, Internal fixation, Osteosynthesis
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Vol 99 - N° 7
P. 823-827 - novembre 2013 Ritorno al numero
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