PMID: 15241312Jul 9, 2004Paper

Glenoid suture anchor fixation strength: Effect of insertion angle

Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association
Omer A IlahiZong-Ping Luo

Abstract

The purpose of this study was to determine the effect of varying insertion angles on the fixation strength of screw-in devices placed in the glenoid rim. Type of study Cadaveric biomechanical analysis. Eighteen cadaveric glenoids had 3.0-mm cannulated screws inserted for a depth of 10 mm in all 4 quadrants: anterior superior (AS), anterior inferior (AI), posterior superior (PS), posterior inferior (PI). Screws were inserted along the orthogonal to the glenoid rim at the point of insertion or at angles that deviated from this vector by 20 degrees and 40 degrees. Load to failure was performed at 10 mm/s along the orthogonal to the point of insertion. For screws inserted orthogonal to the glenoid rim, the average load to failure was highest for the PS quadrant (733 +/- 369 N) and lowest for the AI quadrant (272 +/- 69 N). The AS and PI quadrants showed intermediate values (549 +/- 334 N and 484 +/- 141 N, respectively). Deviation from orthogonal correlated with decreased fixation strength. This decrease was statistically significant in the AS and PI quadrants, with deviation of 40 degrees, and in the AI quadrant, with deviation of 20 degrees, as well as 40 degrees. Conclusions Insertion angles for screw-in fixation devices should ...Continue Reading

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Nov 21, 2007·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Brad S SparksRobert Burden
Jul 3, 2009·Archives of Orthopaedic and Trauma Surgery·Brad S SparksDavid N M Caborn
Jul 9, 2014·Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association·Rachel M FrankMatthew T Provencher
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Jan 2, 2013·Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association·Tae Kang LimJae Chul Yoo
Oct 19, 2010·Journal of Shoulder and Elbow Surgery·Kyoung Hwan KohJae Chul Yoo
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