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Mechanical testing of extra-articular distal radius fractures stabilized with percutaneous
pins was performed. Twelve fresh-frozen unembalmed radii stripped of all soft tissues
were used. An osteotomy with dorsal comminution was made 2.5 cm proximal to the radial
styloid. Three pin sizes and four pin configurations were used to fix the fracture,
and the constructs were mechanically tested. Results show that at least a .062-inch
pin was required for any significant changes in rigidity of the four pin configurations
tested to be discerned. Crosspinning with two radial styloid pins and placement of
a pin from the ulnar corner of the radius as the most rigid construct in both torsion
and cantilever bending.
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References
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Article info
Publication history
Accepted:
October 1,
1996
Received:
October 26,
1995
Footnotes
*Partially supported by the NSF-MRL Program under grant #DMR 91-20668.
**No benefits in any form have been received or will be received from a commerical party related directly or indirectly to the subject of this article.
Identification
Copyright
© 1997 The American Society for Surgery of the Hand. All rights reserved. Published by Elsevier Inc.
