Echo® Hip System

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The Echo® Femoral Hip System offers a modern metaphyseal loading fit and fill design to address increasing hospital demands for both primary and fracture applications. Four stem options with various fixation modes address the distinct needs of each patient, while the customisable instrumentation platform provides enhanced surgical workflow.

The Echo Femoral Hip System offers 4 stem designs with a wide range of sizing options to best meet patient needs and accommodate various surgical approaches:

  • Echo Bi-Metric® stem provides clinically proven1-5 proximal porous fixation in a traditional fit and fill design
  • Echo FX™ stem showcases a versatile design for cementless or cemented application in the treatment of fractures or total hip arthroplasty

The Echo Bi-Metric stem is a metaphyseal loading, fit and fill primary hip prosthesis with PPS® coating that promotes porous proximal fixation. The stem builds upon the heritage of the clinically proven Integral® and Bi-Metric® hip stems 1-3 while integrating new design features to better meet patient needs. Key design features include:

  • PPS coating applied to the proximal portion of the stem allows for initial scratch-fit stability and long-term biological fixation9,10
  • 3º bi-planar taper provides physiological proximal load transfer and optimal implant-to-patient fit6,8
  • Full and reduced proximal profile options accommodate a wide range of femoral canals, such as Dorr type C femurs
  • Titanium alloy substrate allows for stress transfer to preserve cortical density6,7
  • Sizing options: 7-21 (1mm increments) accommodate varying anatomies
  • Standard (135°) and high (130°) offsets allow for intra-operative adjustment without lengthening the leg
  • Medialised insertion hole offers ease of insertion

The Echo FX stem femoral component is a cobalt chrome substrate with an Interlok® surface finish, allowing for cemented or press-fit application. Modern design features are included to provide a versatile, dual-purpose implant option for the hip fracture market. Key features include:

  • Fit and fill geometry designed to fill the metaphysis to enhance rotational stability
  • Roughened Interlok finish promotes secure bone on-growth fixation
  • Collared neck transfers stress to the calcar region and reduces subsidence
  • Standard (135°) and high (130°) offset to allow for intra-operative adjustment without lengthening the leg
  • Reduced proximal profile provides optimal fit for Type C or stove pipe canal often associated with elderly hip fracture patients
  • Sizing Options: Offered in 2mm increments ranging from 7mm - 17mm
  • PMMA distal stem positioner provides for a consistent cement mantle; distal centralisers available in 1mm increments

The Echo Bi-Metric stems are built upon the heritage of 2 implants: the Integral® and Bi-Metric femoral components. Backed by over 20 years of clinical use 1-3 the Echo Bi-Metric stems enhance existing features of each offering and provide additional benefits to better meet patient needs.

  • 100% Survivorship at 7 years1 – Echo Bi-Metric Femoral Stem
  • 98% Survivorship at 12 years4 – Integral Femoral Stem
  • 100% Survivorship at 20 years5 – Bi-Metric Femoral Stem
  • PPS® Porous Plasma Spray


  1. Sueyoshi, T. et al. Changes in Femoral Stem Geometry Reduce Intraoperative Femoral Fracture Rates in Total Hip Replacement. Journal of Orthopedics. (5):115-9, 2015.
  2. Marshall, A. et al. Cementless Titanium Tapered-Wedge Femoral Stem 10- to 15-Year Follow-up. Journal of Arthroplasty. 19(5), 2004.
  3. Meding, J. et al. Twenty-year Follow-up of an Uncemented Stem in Primary THA. Clinical Orthopaedics and Related Research. (473):543-8, 2014.
  4. Marshall, A.D. et al. Cementless titanium tapered-wedge femoral stem – 10 to 15-year follow-up. Journal of Arthroplasty. 19(5): 546 – 52, 2004.
  5. Meding, J. et al. Minimum ten-year follow-up of a straight-stemmed, plasma-sprayed, titanium-alloy, uncemented femoral component in primary total hip arthroplasty. Journal of Bone and Joint Surgery. 86:9207, 2004.
  6. Romagnoli, S. Press-fit Hip Arthroplasty: A European Alternative. Journal of Arthroplasty. 17(4):108–12, 2002.
  7. 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.
  8. Rothman, R. et al. Primary Total Hip Arthroplasty with an Uncemented Femoral Component. A Long-Term Study of the Taperloc Stem. Journal of Arthroplasty. 19(2): 151–6, 2004.
  9. McLaughlin, J. et al. Total Hip Arthroplasty with an Uncemented Tapered Femoral Component. Journal of Bone and Joint Surgery.6(90):1290–6, 2008.
  10. Rothman, R. et al. Immediate Weight Bearing after Uncemented Total Hip Arthroplasty. Clinical Orthopedics and Related Research. 349:156–62, 1998.
  11. Head, William C. et al. A Titanium Cementless Calcar Replacement Prosthesis in Revision Surgery of the Femur: 13-Year Experience. Journal of Arthroplasty. 16(8): 183-87, 2001.
  12. Head, William C. et al. The Proximal Porous Coating Alternative for Primary Total Hip Arthroplasty. Orthopedics 22(9): 813-15, 1999.
  13. Bourne, Robert B. et al. Ingrowth Surfaces: Plasma Spray Coating to Titanium Alloy Hip Replacements. Clincal Orthopaedics and Related Research. 298: 37-46, 1994.


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Biomet Orthopedics
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