SYMPOSIA PAPER Published: 01 January 1989
STP10368S

Comparison of Interlocking and Noninterlocking Intramedullary Nails in Bending and Torsion

Source

Two types of interlocking intramedullary (IM) nails and a noninterlocked IM nail were tested in bending and torsion, to compare their flexural stiffness, and torsional stability in a femoral fracture model. A Grosse-Kempf IM nail with proximal and distal cortical interlocking screws, a Brooker-Wills IM nail with proximal interlocking screw and distal cancellous interlocking fins, and a Grosse-Kempf IM nail with no interlocking screws were tested. All IM nails had similar flexural stiffnesses. The interlocked Grosse-Kempf IM nail was most stable in torsion, followed by the interlocked Brooker-Wills IM nail. The noninterlocked Grosse-Kempf IM nail was least stable in torsion.

Author Information

Bechtold, JE
Hennepin County and Metropolitan Medical Centers, Minneapolis, MN
Schaffhausen, JM
Hennepin County and Metropolitan Medical Centers, Minneapolis, MN
Kyle, RF
Hennepin County and Metropolitan Medical Centers, Minneapolis, MN
Gustilo, RB
Hennepin County and Metropolitan Medical Centers, Minneapolis, MN
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Details
Developed by Committee: F04
Pages: 60–64
DOI: 10.1520/STP10368S
ISBN-EB: 978-0-8031-5073-7
ISBN-13: 978-0-8031-1181-3