Proven Features


CORAIL Collared Stem with PINNACLE Cup has 28% less chance of being revised vs all other uncemented hips in NJR.1

CORAIL Collared Stem has a significantly reduced risk of peri‑prosthetic fracture.1

Over 234,000 documented CORAIL PINNACLE Construct Implantations in registries.2

Clinical References

Biomechanics and the collar

A calcar collar is protective against early periprosthetic femoral fracture around cementless femoral components in primary total hip arthroplasty: a registry study with biomechanical validation.
Lamb JN, Baetz J, Messer-Hannemann P, Adekanmbi I, van Duren BH, Redmond A, West RM, Morlock MM, Pandit HG. Bone Joint J 2019;101-B:779–786.

Cementless Femoral Stem Design in Total Hip Arthroplasty and the Risk of Revision for Periprosthetic Femoral Fracture
Khan T, Rutherford M, Scammell B, Manktelow A, Ollivere B. Poster 0054, AAOS March 8-9th 2018.

Comparative outcomes between collared versus collarless and short versus long stem of direct anterior approach total hip arthroplasty: a systematic review and indirect meta-analysis.
Panichkul P, Bavonratanavech S, Arirachakaran A, Kongtharvonskul J. Eur J Orthop Surg Traumatol. 2019 Jul 30.

Occult periprosthetic femoral fractures occur frequently during a long, trapezoidal, doubletapered cementless femoral stem fixation in primary THA.
Yun HH, Lim JT, Yang S-H, Park PS. (2019) PLoS ONE 14(9): e0221731.

Does a collar improve the immediate stability of uncemented femoral hip stems in total hip arthroplasty? A bilateral comparative cadaver study.
Demey G, Fary C, Lustig S, Neyret P, si Selmi T. J Arthroplasty. 2011;26(8):1549-55. Epub 2011 May 13.

The Long-Term clinical relevance of Calcar Atrophy caused by Stress Shielding in Total Hip Arthroplasty: A 10-year prospective randomized study.
Karachalios T, Tsatsaronis C, Efraimis G, Diakoumopoulos G, Papadelis P, Lyritis G. Journal of Arthroplasty, 2004;19(4):469-75.

Acetabular design

A Comparison of Second and Third-Generation Modular Cup Design, Is New Improved?
Powers CC, Ho H, Beykirch SE, Huynh C, Hopper RH, Engh CA Jr., Engh CA. The Journal of Arthroplasty. 2010; 25: 514-521

Hydroxyapatite coating

Hydroxyapatite particle migration.
Frayssinet P, Vidalain JP, Ranz X, Cartillier JC, Rouquet N. European Journal of Orthopaedic Surgery and Traumatology, 1999;9:95-98

Excellent Results of HA Coating on a Grit-Blasted Stem, 245 Patients Followed for 8-12 Years.
Reikeras O, Gunderson RB. Acta Orthopedica Scandinavica, 2003;74(2):140-145

Total Hip Replacement With an Entirely Hydroxyapatite-Coated Prosthesis. 5 Years Follow-Up of 94 Consecutive Hips.
Røkkum M, Reigstad A. Journal of Arthroplasty, 1999;14(6):689-700.


  1. Bespoke Implant report CORAIL Collared Stem-Pinnacle Cup vs Cementless NJR. Report can be accessed at
  2. CORAIL PINNACLE documented implantations in the Registries 2019. DePuy Synthes Data on File.

Indication Statement

For product details such as indications, contraindications, warnings and precautions please consult the IFU.

102335-200116 EMEA