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Arm angle indicator

  • US 20060149288A1
  • Filed: 12/30/2004
  • Published: 07/06/2006
  • Est. Priority Date: 12/30/2004
  • Status: Active Grant
First Claim
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1. An arm angle measurement device for determining the version angle of the humeral head during shoulder surgery when the forearm is externally rotated with the elbow flexed to 90°

  • comprising;

    a first element for contacting the forearm having a first coupling element aligned with the ulna;

    a second element for contacting the upper arm, said second element having a second coupling element aligned with to the humerus, said second coupling element pivotally coupled to said first coupling element for rotation about a pivot point; and

    an angle indicator having angle indicia located at said pivot point and fixed to one of said first or second elements for indicating the external rotation angle between said first and second coupling elements.

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