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Laser Based Metal Deposition of Implant Structures

There are more than three million implants each year in the United States. The numbers grow year by year, and the need for improved and more effective processes grows even faster. Scientists at Utah State University have developed a manufacturing method for producing an implant made from traditional or novel implants metals with layers of material having differing densities and structures. The new USU method is satisfying the market need of more reliable and effective medical implants, providing a surface material deposition process that allows for a gradient of materials with varying selective properties to be deposited on the bulk implant material, which will improve the wear, bonding and bone in-growth characteristics.
   
Applications
Features and Benefits
  • Orthopedic implants
  • Dental medical implants
  • Provides a method for constructing a medical implant, depositing a hard wear resistant surface onto a porous or non-porous base material
  • Enhances biocompatibility and bonding properties, promoting bone in-growth and strong fusion with patient‘s bone
  • Provides device longevity, when applied to bearing surfaces such as artificial joint bearing surface or a dental implant bearing surface
 
Technology
A new method has been developed for depositing a hard, wear-resistant surface onto a porous or non-porous base material of a medical implant. The medical implant device is formed by a Laser Based Metal Deposition (LBMD) method. The porous material of the base promotes bone in-growth allowing the implant to fuse strongly with the bone of a patient. After the base structure is formed, additional material is added to the base structure using the laser engineered net shaping (LENS) process. The hard, wear-resistant surface provides device longevity when applied to bearing surfaces such as an artificial joint bearing surface or a dental implant bearing surface.
 
Development Stage
Prototypes exist to continue testing and optimization for various applications.
 
US Patent Application Publication No. 2005/0295440
 
CONTACT INFORMATION
Glenn Whichard
Senior Commercialization Associate
Physical Sciences
Glenn.Whichard@usu.edu
(435) 797-9604
Reference: W04021
www.ipso.usu.edu

 

 

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