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Bone fusion system, device and method including a measuring mechanism

  • US 10,111,760 B2
  • Filed: 01/18/2017
  • Issued: 10/30/2018
  • Est. Priority Date: 01/18/2017
  • Status: Active Grant
First Claim
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1. A bone fusion system for inserting a bone fusion device into a desired location, the system comprising:

  • an insertion instrument comprising a first end, a second end opposite the first end, a coupling mechanism having a control shaft and a plurality of fingers configured to move between a closed position wherein the fingers are close together to a spread position wherein the fingers are farther apart based on manipulation of the control shaft;

    a bone fusion device having a body and one or more extendable tabs, wherein the body of the bone fusion device is detachably coupled to the first end of the insertion instrument by the coupling mechanism; and

    a measuring tool detachably coupled to the second end of the insertion instrument, the measuring tool comprising an indicating mechanism that indicates a variable tab extension value, wherein the indicating mechanism comprises an indicating screw, a screw gear coupled to the indicating screw, a ring threaded onto the indicating screw and an offset gear operably coupled to a screw gear such that rotation of the offset gear causes rotation of the indicating screw via the screw gear thereby causing the ring to move up or down the indicating screw.

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