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Bone compression or distraction device

  • US 4,187,841 A
  • Filed: 07/07/1978
  • Issued: 02/12/1980
  • Est. Priority Date: 07/07/1978
  • Status: Expired due to Term
First Claim
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1. A bone compression or distraction tool, which comprises:

  • a threaded shaft;

    a cap member secured to one end of said shaft, said cap member having at least one relatively short pin projecting therefrom;

    a threaded sleeve rotatably engaged about said threaded shaft;

    a knob means secured to and extending outwardly from said sleeve for enabling rotation of same and forming a shoulder; and

    a pin carrying member removably fittable about said sleeve and having at least one relatively short pin projecting therefrom, one end of said pin carrying member being engagable by said shoulder so as to move towards or away from said cap member upon rotation of said knob means.

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