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Vet Comp Orthop Traumatol 2005; 18(01): 31-36
DOI: 10.1055/s-0038-1632925
Original Research
Schattauer GmbH

Biomechanical evaluation of a veterinary suture anchor in the canine cadaver pelvis and femur

M. J. Singer
1   University of Illinois College of Veterinary Medicine, Department of Veterinary Clinical Medicine
,
G. Pijanowski
2   Department of Veterinary Biosciences, Urbana, Illinois, USA
,
R. Wiley
3   Zimmer Inc., Warsaw, Illinois, USA
,
A. L. Johnson
1   University of Illinois College of Veterinary Medicine, Department of Veterinary Clinical Medicine
,
A. M. Siegel
1   University of Illinois College of Veterinary Medicine, Department of Veterinary Clinical Medicine
› Author Affiliations
Further Information

Publication History

Received 11 April 2004

Accepted 03 June 2004

Publication Date:
08 February 2018 (online)

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Summary

A commercially available veterinary suture anchor was tested in the acetabula and femurs of canine cadavers. Size #2 suture anchor constructs were compared to a traditional screw and Teflon spiked washer constructs in a model of coxofemoral luxation repair. The screw/washer constructs failed at a higher maximum load than the #2 anchor constructs. In the acetabulum, significant differences in strength were also found in the position of the implant and in the direction of pull. The constructs in a more caudal position, and constructs pulled 90 degrees to the axis of insertion, failed at higher loads. The predominant mode of failure of the constructs was a suture failure. In the femur, size #5 suture anchors were used in a model of cranial cruciate ligament repair and collateral ligament repair. The anchor constructs failed predominantly by anchor pull-out in the distal femur. The constructs pulled 90 degrees to the axis of insertion were stronger than constructs pulled at 0 degrees to the axis of insertion. Varying the location of the implant in the femur did not affect the maximum load to failure.

Keywords

BoneBiter® - Suture anchor - coxofemoral luxation - biomechanics
 

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