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Prosthesis installation systems and methods

  • US 10,245,162 B2
  • Filed: 08/11/2016
  • Issued: 04/02/2019
  • Est. Priority Date: 12/29/2013
  • Status: Active Grant
First Claim
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1. A vibratory device for installation of a prosthesis into a cavity prepared in a portion of a bone, comprising:

  • an engine producing a motion;

    a shaft coupled to the prosthesis;

    a converter, coupled to said engine and to said shaft, producing a series of longitudinal vibrations in said shaft and the prosthesis responsive to said motion;

    wherein said converter includes a cam having a cam surface responsive to said rotary motion and wherein said shaft is coupled to said cam surface; and

    wherein said converter includes a rocker arm coupled between said cam surface and said shaft with a first end of said rocker arm coupled to said cam surface and a second end of said rocker arm coupled to said shaft and wherein a biasing structure is coupled to said second end.

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