Features & Benefits

Medial Collar
Collared stems are available in both standard and coxa vara offset designed to control subsidence and add rotational stability.3

Stepped Geometry
The Stepped Geometry of the CORAIL® Stem is designed to reduce shear forces and improve compression loading in host cancellous bone.

Multiple Offset Options
The CORAIL® Stem offers standard and high offset options which can enable femoral offset restoration and soft tissue tensioning. The CORAIL® Stem also offers a coxa vara neck option which provides an additional option for varus neck angled patients.

Compaction Broaching
The CORAIL® Stem utilises compaction broaching which is designed to preserve the blood supply to promote healing and growth of bone around the implant. This technique has shown 93.7% survivorship of the stem at 35 years.4
Supporting Documentation
Resources
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CORAIL® Upgrade Surgical Technique
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NJR Analysis of the Collared CORAIL® Femoral Stem and the PINNACLE® Acetabular Cup
References
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Norwegian Arthroplasty Register, Report 2016. Table 22. Accessed 15 Mar 2021.
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Australian Orthopaedic Association National Joint Replacement Registry Annual Report, 2017. Table HT6 available from https://aoanjrr.sahmri.com/ Accessed 15 Mar 2021.
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National Joint Registry for England, Wales, Northern Ireland and the Isle of Man, 14th Annual Report, 2017. Table 3.8 Available from https://reports.njrcentre.org.uk/ Accessed 15 Mar 2021.
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Jacquot L, Bonnin MP, Machenaud A, Chouteau J, Saffarini M, Vidalain JP. Clinical and Radiographic Outcomes at 25-30 Years of a Hip Stem Fully Coated with Hydroxylapatite. J Arthroplasty. 2018 Feb;33(2):482-490
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Demey G. Does A Collar Improve the Immediate Stability of Uncemented Femoral Hip Stems in Total Hip Arthroplasty; A bilateral comparative cadaver study. J Arthroplasty. 2011 Dec; 26(8):1549-55.
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