Arcos® One-piece Femoral Revision System

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The fully porous, distal fixation philosophy of the Arcos  One-piece Femoral Revision System offers three cylindrical, forged titanium stem options with a unique size range to address a wide range of femora, including patients of small stature.

Built upon the clinical success of the Arcos Modular System launched in 20101, the Arcos One-piece System shares many of the same popular traits such as: stem geometry, intuitive instrumentation and a simple surgical technique. This system is designed to address the distinct needs of individual patients, while simplifying surgical workflow and reducing instrumentation burden.

 

Product Features

Three Stem Options:

The Collared Broach Body femoral stem is designed to provide rotational stability and proximal offloading to address complex primary and simple revision (Type I and II femoral defects) total hip arthroplasty (THA). 

Key features include:

  • Available in 175 mm stem length 
  • Proximal collar designed to control stem seating depth
  • Forged titanium alloy (Ti-6Al-4V) substrate allows for stress transfer to preserve cortical density2,3
  • Fully cylindrical distal geometry provides initial fixation distally for the highest level of cortical bone-to-implant contact
  • Reduced medial geometry designed to minimize impaction force on proximal bone during bone preparation and implantation
  • Clinically proven PPS® coating allows for initial scratch-fit stability and long-term biological fixation4,5
  • Standard (135⁰) and high offset (130⁰) options reproduce various patient anatomies without lengthening the leg
  • Ten sizes: 9.5*, 11-16, 18, 20 and 22 mm

The Non-collared Broach Body femoral stem shares many of the same design features as the collared stem option. Key features include:

  • Available in 210 mm stem length 
  • Dual distal relief improves surgical efficiency by providing easier insertion into canal and eliminating the need for left and right specific femoral implant options 
  • Ten sizes: 9.5*, 11-16, 18, 20 and 22 mm

The Calcar Replacing femoral stem is designed for cases that involve deficiencies in the medial calcar, where proximal femoral support is desired. This design maintains the same features of the Non-collared Broach Body stem, with the addition of a calcar shelf to address Type IIIa femoral defects. Key features include:

  • +0 mm level calcar shelf designed to control stem seating depth
  • Available in 210 mm stem length 
  • Dual distal relief improves surgical efficiency by providing easier insertion into canal and eliminating the need for left and right specific femoral implant options 
  • Ten sizes: 9.5*, 11-16, 18, 20 and 22 mm

Note: Utilize the Arcos Modular Femoral Revision System for deficiencies in the medial calcar greater than a Type IIIa defect.

* The 9.5 mm diameter broach body stems are partially PPS coated.

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References

  1. Frye, B et al. Modular Femoral Tapered Revision Stems in Total Hip Arthroplasty. Joint Implant Surgery & Research Foundation. 32-7, 2015.
  2. Romagnoli, S. Press-fit Hip Arthroplasty: A European Alternative. Journal of Arthroplasty. 17(4):108–12, 2002.
  3. Head, W. et al. Titanium as the Material of Choice for Cementless Femoral Components in Total Hip Arthroplasty. Clinical Orthopaedics and Related Research. (311):85–90, 1995.
  4. McLaughlin, J. et al. Total Hip Arthroplasty with an Uncemented Tapered Femoral Component. Journal of Bone and Joint Surgery.6(90):1290–6, 2008.
  5. Rothman, R. et al. Immediate Weight Bearing after Uncemented Total Hip Arthroplasty. Clinical Orthopedics and Related Research. 349: 156–62, 1998.

 

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