PMID: 9662771Jul 15, 1998Paper

Holding power of different pin designs and pin insertion methods in avian cortical bone

Veterinary Surgery : VS
L A DegernesC F Abrams

Abstract

To measure pullout strength of four pin types in avian humeri and tibiotarsi bones and to compare slow-speed power and hand insertion methods. Axial pin extraction was measured in vitro in avian bones. Four cadaver red-tailed hawks and 12 live red-tailed hawks. The pullout strength of four fixator pin designs was measured: smooth, negative profile threaded pins engaging one or two cortices and positive profile threaded pins. Part 1: Pins were placed in humeri and tibiotarsi after soft tissue removal. Part 2: Pins were placed in tibiotarsi in anesthetized hawks using slow-speed power or hand insertion. All threaded pins, regardless of pin design, had greater pullout strength than smooth pins in all parts of the study (P < .0001). The cortices of tibiotarsi were thicker than the cortices of humeri (P < .0001). There were few differences in pin pullout strengths between threaded pin types within or between bone groups. There were no differences between the pullout strength of pins placed by slow-speed power or by hand. There is little advantage of one threaded pin type over another in avian humeri and tibiotarsi using currently available pin designs. There were few differences in pin pullout strengths between humeri and tibiotarsi...Continue Reading

References

Jan 1, 1992·The Veterinary Clinics of North America. Small Animal Practice·D M MacCoy
Jan 1, 1992·The Veterinary Clinics of North America. Small Animal Practice·R H PalmerD R Palmer
Jan 1, 1992·The Veterinary Clinics of North America. Small Animal Practice·J Harari
Jul 1, 1991·The Veterinary Clinics of North America. Small Animal Practice·E L Egger
Nov 1, 1990·Veterinary Surgery : VS·R H Palmer, D N Aron

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Citations

Dec 30, 2011·Journal of Zoo and Wildlife Medicine : Official Publication of the American Association of Zoo Veterinarians·Mariano López GarcíaAntonio González Cantalapiedra
Feb 16, 2013·Journal of Avian Medicine and Surgery·Jessica M GullJean-Michel Hatt
Dec 17, 2015·Journal of Zoo and Wildlife Medicine : Official Publication of the American Association of Zoo Veterinarians·Matthew E KinneyMark A Anderson
Jan 13, 2009·Veterinary Surgery : VS·Susannah SampleSusan Schaefer

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