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J Knee Surg 2007; 20(4): 289-291
DOI: 10.1055/s-0030-1248060
Surgical Technique

© 2007 Thieme Medical Publishers

The Effect of Drilling Angle on Intra-Articular Tibial Tunnel Dimensions – Technical Considerations

Randall J. Risinger, Vincent M. Wang, Bernard R. Bach Jr 
  • The Division of Sports Medicine, Department of Orthopedic Surgery, Rush University Medical Center, Chicago, Ill
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Publication History

Publication Date:
20 January 2010 (online)

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ABSTRACT

Tibial tunnel variations are not solely dependent on the location of guide pin placement. There may be significant changes in intra-articular tunnel position and dimensions based on the drilling angle despite ideal pin position. Using a simple mathematical model, this effect was quantified and its clinical implications are discussed.