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Undergraduate Research Project Management System

Biomedical and Metallurgical Properties of Cobalt-Chromium-Molybdenum Spinal Rods

Status Current
Seeking Researchers No
Start Date 11/01/2009
End Date 06/30/2010
Funding Source Undergraduate Research Grant
Funding Amount 2,000
Community Partner Andres Munk, Orthopedic Surgeon, Macomb Orthopedic Surgeons
Related Course
Last Updated 01/11/2010 11:21PM
Keywords Spinal rod, biomechanical properties, Co-Cr-Mo

People

Faculty
  Anthony Paris

Student Researchers
  Kali Korach

Abstract

Hypothesis: The biomechanical and metallurgical properties of cobalt-chromium-molybdenum alloy (ASTM F75) spinal rods are favorable compared with those of the more commonly used stainless steel (ASTM F136) and titanium (ASTM F138) alloys.

The Co-Cr-Mo alloy is becoming more widely used in surgical implantation applications including spinal fixation. There has been minimal research published on the biomechanical and metallurgical properties of Co-Cr-Mo in spinal rod form. The biomechanical and metallurgical properties of Co-Cr-Mo spinal rods will be compared with those of the more commonly used stainless steel and titanium alloys. A servo-hydraulic universal testing machine, a microscope, a Rockwell hardness tester, and other instruments will be used to measure accurate and precise biomechanical and metallurgical property data. An analysis of the data will yield fundamental Co-Cr-Mo biomechanical material and metallurgical properties that can be compared directly with the properties of stainless steel and titanium.

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