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Laser based metal deposition (LBMD) of implant structures

  • US 7,632,575 B2
  • Filed: 10/18/2005
  • Issued: 12/15/2009
  • Est. Priority Date: 12/03/2003
  • Status: Expired due to Fees
First Claim
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1. A device comprising:

  • a medical implant comprising;

    a metal base structure; and

    a bearing material formed onto said metal base structure by Laser Based Metal Deposition (LBMD) in an inert gas atmosphere to provide a small bonding zone at which material is deposited and rapidly cooled to form an articulating bearing surface;

    wherein the bearing material comprises a biocompatible composition and has a hardness greater than a hardness of the metal base structure;

    wherein the bearing material comprises a thickness ranging from about 0.01 inches to about 0.2 inches.

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