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Knee implants having hydromagnetic joints

  • US 9,055,780 B2
  • Filed: 05/28/2013
  • Issued: 06/16/2015
  • Est. Priority Date: 04/18/2010
  • Status: Expired due to Fees
First Claim
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1. A knee implant comprising:

  • a first implant part adapted for attachment to a femur;

    a second implant part adapted for attachment to a tibia;

    said knee implant including a hydromagnetic joint comprisinga first magnetic element having a first magnetically charged surface and a first buoyant element coupled with said first magnetic element,a second magnetic element having a second magnetically charged surface that opposes said first magnetically charged surface of said first magnetic element and a second buoyant element coupled with said second magnetic element,a fluid body disposed between said first and second buoyant elements, wherein said first and second buoyant element are in fluid communication with one another through said fluid body, andan enclosure extending between said first and second buoyant elements for containing said fluid body therebetween, wherein said first and second buoyant elements are moveable relative to one another.

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