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Bone oxygenation measurement

  • US 9,814,393 B1
  • Filed: 07/29/2014
  • Issued: 11/14/2017
  • Est. Priority Date: 02/23/2010
  • Status: Active Grant
First Claim
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1. A medical device comprising a probe for making an oxygen saturation measurement for a bone, the probe comprising:

  • a rigid elongated member, wherein the rigid elongated member comprises a proximal end, a distal end opposite the proximal end, and a smooth outer surface therebetween;

    a sensor head, coupled to the distal end of the rigid elongated member, wherein the sensor head comprises;

    first and second openings; and

    first and second fiber optic cables, wherein the first fiber optic cable is coupled to the first opening, and the second fiber optic cable is coupled to the second opening, andwherein the sensor head is positioned so that light directed into the bone via the first fiber optic cable travels in a first direction from the proximal end towards the distal end and exits the first opening in the first direction, and light reflected from the bone enters the second opening in a second direction, and travels from the distal end towards the proximal end in the second direction and through the second fiber optic cable;

    a flexible tube, extending from the proximal end of the rigid elongated member; and

    a connector, coupled to the flexible tube.

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