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Digital depth gauge

  • US 7,607,238 B2
  • Filed: 11/07/2006
  • Issued: 10/27/2009
  • Est. Priority Date: 11/07/2006
  • Status: Active Grant
First Claim
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1. A digital depth gauge apparatus for measuring a depth of a hole in an object that is within a deep surgical field, the apparatus comprising:

  • an elongated reader shaft that includes a distal end and a proximal end;

    a user interface portion configured at the proximal end of the elongated reader shaft, the user interface portion including a display and at least one actuator that controls operation of at least one of the display and the apparatus;

    a probe that couples with and extends from the distal end of the reader shaft, the probe including a tip configured to locate a distal surface of the object;

    a sleeve member that includes a distal end configured to abut a proximal surface of the object, the sleeve member being coupled with the elongated reader shaft for relative translational and rotational movement with respect to a longitudinal axis through the elongated reader shaft; and

    a sensor interposed between the elongated reader shaft and the sleeve member for measuring relative translational movement between the elongated reader shaft and the sleeve member.

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