Mechanical characteristics of three staples commonly used in foot surgery
2009

Comparing Mechanical Properties of Foot Surgery Staples

Sample size: 15 publication Evidence: moderate

Author Information

Author(s): Rethnam Ulfin, Kuiper Jan, Makwana Nilesh

Primary Institution: Robert Jones & Agnes Hunt Orthopaedic Hospital

Hypothesis

There is no difference in stiffness between the staples.

Conclusion

The Richards staple is stiffer but permanently deforms, while Memoclip staples are easier to handle and do not deform permanently.

Supporting Evidence

  • The Richards staple was found to provide a four times larger resistance to bending and torsion than the two memory staples.
  • Memoclip staples exhibited lower but adequate stiffness compared to the standard Richards staple.
  • Memoclip staples were easier to handle and did not undergo permanent deformation after bending.

Takeaway

This study looked at different staples used in foot surgery to see which one works best. The Richards staple is strong but can bend permanently, while the Memoclip staple is easier to use and stays in shape.

Methodology

The study compared the bending and torsional stiffness of three types of staples using standardized bone models and mechanical testing.

Limitations

The study used synthetic models instead of real bone, which may not fully replicate biological conditions.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1186/1757-1146-2-5

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