M/L Taper Hip Prosthesis

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The Zimmer Biomet M/L Taper Hip Prosthesis offers a slim anterior / posterior dimension and bone-conserving alternative for patients, while the collarless prostheiss optimizes the clinically proven tapered wedge fixation philosophy1-3 while providing secure mediolateral stability.

As a combined system, the M/L Taper with Kinectiv® Technology introduces a system of modular stem and neck components designed to help the surgeon optimally restore the hip joint center intraoperatively by addressing leg length, offset, and version independently, while the broad array of neck options efficiently targets a wide range of male and female anatomies.

 

Product Features

Key design features of the M/L Taper Hip Prosthesis include:

  • Tivanium Ti-6AI-4V Alloy provides excellent biocompatibility and strength without excessive stiffness
  • Distal Flutes provide a channel for blood and debris during insertion
  • Highly Polished Surfaces are designed to ease insertion and work in conjunction with the taper geometry to promote proximal loading
  • Circumferential Plasma Spray facilitates mechanical fixation for a secure bone-implant interface
  • Minimized Lateral Shoulder helps to conserve bone and ease insertion Reduced Neck Geometry below the 12/14 taper allows for greater ROM and optimized 131° neck angle allow for optimized range of motion
  • 12/14 Neck Taper accommodates a complete selection of femoral ceramic and metal femoral heads with a variety of head center options available
  • Broach only surgical technique and simple instrumentation allow for Intraoperative Flexibility with both minimally invasive and traditional approaches
  • Sizing Options 14 stem sizes ranging from 4 mm – 22.5 mm, with standard and extended offsets available

Key design features of the M/L Taper Hip Prosthesis with Kinectiv Technology include:

  • Reduced Neck Geometry accomplishes optimized ROM with ability to achieve desired head center location without the need for skirted femoral head components by using +0 mm heads only
  • Tapered Wedge Design provides a wedge fit for mediolateral stability
  • Slim A/P Dimension is designed to conserve bone while providing excellent torsional stability
  • Tivanium Ti-6AI-4V Alloy provides excellent biocompatibility and strength without excessive stiffness
  • Minimized Lateral Shoulder helps to conserve bone and ease insertion
  • Circumferential Plasma Spray facilitates mechanical fixation for a secure bone-implant interface
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References

  1. McLaughlin, J. et al. Total Hip Arthroplasty with an Uncemented Tapered Femoral Component. Journal of Bone and Joint Surgery. 6(90):1290–6, 2008.
  2. McLaughlin, J.R. and Lee, K.R. The Outcome of Total Hip Arthroplasty in Young Patients. 8- to 13-Year Results Using an Uncemented Stem. Clinical Orthopaedics and Related Research. 373: 153–63, 2000.
  3. Parvizi, J. et al. Primary Total Hip Arthroplasty With an Uncemented Femoral Component. The Journal of Arthroplasty. Vol. 19 No. 2, 2004.

 

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Zimmer, Inc.
1800 West Center Street
Warsaw, Indiana 46580 USA

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